Support for Bar Graphs (#4221)

* Adds new types for Bar Graphs (#4168)
* Adds new spectral test data

Co-authored-by: Scott Bell <scott@traclabs.com>
Co-authored-by: Charles Hacskaylo <charlesh88@gmail.com>
Co-authored-by: Jamie V <jamie.j.vigliotta@nasa.gov>
Co-authored-by: Andrew Henry <akhenry@gmail.com>

example/generator/GeneratorMetadataProvider.js

@@ -28,6 +28,15 @@ define([
                         domain: 2
                     }
                 },
+                {
+                    key: "cos",
+                    name: "Cosine",
+                    unit: "deg",
+                    formatString: '%0.2f',
+                    hints: {
+                        domain: 3
+                    }
+                },
                 // Need to enable "LocalTimeSystem" plugin to make use of this
                 // {
                 //     key: "local",
@@ -109,6 +118,100 @@ define([
                     }
                 }
             ]
+        },
+        'example.spectral-generator': {
+            values: [
+                {
+                    key: "name",
+                    name: "Name",
+                    format: "string"
+                },
+                {
+                    key: "utc",
+                    name: "Time",
+                    format: "utc",
+                    hints: {
+                        domain: 1
+                    }
+                },
+                {
+                    key: "wavelength",
+                    name: "Wavelength",
+                    unit: "Hz",
+                    formatString: '%0.2f',
+                    hints: {
+                        domain: 2,
+                        spectralAttribute: true
+                    }
+                },
+                {
+                    key: "cos",
+                    name: "Cosine",
+                    unit: "deg",
+                    formatString: '%0.2f',
+                    hints: {
+                        range: 2,
+                        spectralAttribute: true
+                    }
+                }
+            ]
+        },
+        'example.spectral-aggregate-generator': {
+            values: [
+                {
+                    key: "name",
+                    name: "Name",
+                    format: "string"
+                },
+                {
+                    key: "utc",
+                    name: "Time",
+                    format: "utc",
+                    hints: {
+                        domain: 1
+                    }
+                },
+                {
+                    key: "ch1",
+                    name: "Channel 1",
+                    format: "string",
+                    hints: {
+                        range: 1
+                    }
+                },
+                {
+                    key: "ch2",
+                    name: "Channel 2",
+                    format: "string",
+                    hints: {
+                        range: 2
+                    }
+                },
+                {
+                    key: "ch3",
+                    name: "Channel 3",
+                    format: "string",
+                    hints: {
+                        range: 3
+                    }
+                },
+                {
+                    key: "ch4",
+                    name: "Channel 4",
+                    format: "string",
+                    hints: {
+                        range: 4
+                    }
+                },
+                {
+                    key: "ch5",
+                    name: "Channel 5",
+                    format: "string",
+                    hints: {
+                        range: 5
+                    }
+                }
+            ]
         }
     };
 

example/generator/SpectralAggregateGeneratorProvider.js

@@ -0,0 +1,86 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2021, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+define([
+
+], function (
+
+) {
+
+    function SpectralAggregateGeneratorProvider() {
+
+    }
+
+    function pointForTimestamp(timestamp, count, name) {
+        return {
+            name: name,
+            utc: String(Math.floor(timestamp / count) * count),
+            ch1: String(Math.floor(timestamp / count) % 1),
+            ch2: String(Math.floor(timestamp / count) % 2),
+            ch3: String(Math.floor(timestamp / count) % 3),
+            ch4: String(Math.floor(timestamp / count) % 4),
+            ch5: String(Math.floor(timestamp / count) % 5)
+        };
+    }
+
+    SpectralAggregateGeneratorProvider.prototype.supportsSubscribe = function (domainObject) {
+        return domainObject.type === 'example.spectral-aggregate-generator';
+    };
+
+    SpectralAggregateGeneratorProvider.prototype.subscribe = function (domainObject, callback) {
+        var count = 5000;
+
+        var interval = setInterval(function () {
+            var now = Date.now();
+            var datum = pointForTimestamp(now, count, domainObject.name);
+            callback(datum);
+        }, count);
+
+        return function () {
+            clearInterval(interval);
+        };
+    };
+
+    SpectralAggregateGeneratorProvider.prototype.supportsRequest = function (domainObject, options) {
+        return domainObject.type === 'example.spectral-aggregate-generator';
+    };
+
+    SpectralAggregateGeneratorProvider.prototype.request = function (domainObject, options) {
+        var start = options.start;
+        var end = Math.min(Date.now(), options.end); // no future values
+        var count = 5000;
+        if (options.strategy === 'latest' || options.size === 1) {
+            start = end;
+        }
+
+        var data = [];
+        while (start <= end && data.length < 5000) {
+            data.push(pointForTimestamp(start, count, domainObject.name));
+            start += count;
+        }
+
+        return Promise.resolve(data);
+    };
+
+    return SpectralAggregateGeneratorProvider;
+
+});

example/generator/SpectralGeneratorProvider.js

@@ -0,0 +1,102 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2021, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+define([
+    './WorkerInterface'
+], function (
+    WorkerInterface
+) {
+
+    var REQUEST_DEFAULTS = {
+        amplitude: 1,
+        wavelength: 1,
+        period: 10,
+        offset: 0,
+        dataRateInHz: 1,
+        randomness: 0,
+        phase: 0
+    };
+
+    function SpectralGeneratorProvider() {
+        this.workerInterface = new WorkerInterface();
+    }
+
+    SpectralGeneratorProvider.prototype.canProvideTelemetry = function (domainObject) {
+        return domainObject.type === 'example.spectral-generator';
+    };
+
+    SpectralGeneratorProvider.prototype.supportsRequest =
+        SpectralGeneratorProvider.prototype.supportsSubscribe =
+            SpectralGeneratorProvider.prototype.canProvideTelemetry;
+
+    SpectralGeneratorProvider.prototype.makeWorkerRequest = function (domainObject, request = {}) {
+        var props = [
+            'amplitude',
+            'wavelength',
+            'period',
+            'offset',
+            'dataRateInHz',
+            'phase',
+            'randomness'
+        ];
+
+        var workerRequest = {};
+
+        props.forEach(function (prop) {
+            if (domainObject.telemetry && Object.prototype.hasOwnProperty.call(domainObject.telemetry, prop)) {
+                workerRequest[prop] = domainObject.telemetry[prop];
+            }
+
+            if (request && Object.prototype.hasOwnProperty.call(request, prop)) {
+                workerRequest[prop] = request[prop];
+            }
+
+            if (!Object.prototype.hasOwnProperty.call(workerRequest, prop)) {
+                workerRequest[prop] = REQUEST_DEFAULTS[prop];
+            }
+
+            workerRequest[prop] = Number(workerRequest[prop]);
+        });
+
+        workerRequest.name = domainObject.name;
+
+        return workerRequest;
+    };
+
+    SpectralGeneratorProvider.prototype.request = function (domainObject, request) {
+        var workerRequest = this.makeWorkerRequest(domainObject, request);
+        workerRequest.start = request.start;
+        workerRequest.end = request.end;
+        workerRequest.spectra = true;
+
+        return this.workerInterface.request(workerRequest);
+    };
+
+    SpectralGeneratorProvider.prototype.subscribe = function (domainObject, callback) {
+        var workerRequest = this.makeWorkerRequest(domainObject, {});
+        workerRequest.spectra = true;
+
+        return this.workerInterface.subscribe(workerRequest, callback);
+    };
+
+    return SpectralGeneratorProvider;
+});

example/generator/generatorWorker.js

@@ -54,23 +54,38 @@
         var start = Date.now();
         var step = 1000 / data.dataRateInHz;
         var nextStep = start - (start % step) + step;
+        let work;
+        if (data.spectra) {
+            work = function (now) {
+                while (nextStep < now) {
+                    const messageCopy = Object.create(message);
+                    message.data.start = nextStep - (60 * 1000);
+                    message.data.end = nextStep;
+                    onRequest(messageCopy);
+                    nextStep += step;
+                }
 
-        function work(now) {
+                return nextStep;
-            while (nextStep < now) {
+            };
-                self.postMessage({
+        } else {
-                    id: message.id,
+            work = function (now) {
-                    data: {
+                while (nextStep < now) {
-                        name: data.name,
+                    self.postMessage({
-                        utc: nextStep,
+                        id: message.id,
-                        yesterday: nextStep - 60 * 60 * 24 * 1000,
+                        data: {
-                        sin: sin(nextStep, data.period, data.amplitude, data.offset, data.phase, data.randomness),
+                            name: data.name,
-                        cos: cos(nextStep, data.period, data.amplitude, data.offset, data.phase, data.randomness)
+                            utc: nextStep,
-                    }
+                            yesterday: nextStep - 60 * 60 * 24 * 1000,
-                });
+                            sin: sin(nextStep, data.period, data.amplitude, data.offset, data.phase, data.randomness),
-                nextStep += step;
+                            wavelength: wavelength(start, nextStep),
-            }
+                            cos: cos(nextStep, data.period, data.amplitude, data.offset, data.phase, data.randomness)
+                        }
+                    });
+                    nextStep += step;
+                }
 
-            return nextStep;
+                return nextStep;
+            };
         }
 
         subscriptions[message.id] = work;
@@ -111,13 +126,21 @@
                 utc: nextStep,
                 yesterday: nextStep - 60 * 60 * 24 * 1000,
                 sin: sin(nextStep, period, amplitude, offset, phase, randomness),
+                wavelength: wavelength(start, nextStep),
                 cos: cos(nextStep, period, amplitude, offset, phase, randomness)
             });
         }
 
         self.postMessage({
             id: message.id,
-            data: data
+            data: request.spectra ? {
+                wavelength: data.map((item) => {
+                    return item.wavelength;
+                }),
+                cos: data.map((item) => {
+                    return item.cos;
+                })
+            } : data
         });
     }
 
@@ -131,6 +154,10 @@
             * Math.sin(phase + (timestamp / period / 1000 * Math.PI * 2)) + (amplitude * Math.random() * randomness) + offset;
     }
 
+    function wavelength(start, nextStep) {
+        return (nextStep - start) / 10;
+    }
+
     function sendError(error, message) {
         self.postMessage({
             error: error.name + ': ' + error.message,

example/generator/plugin.js

@@ -24,11 +24,15 @@ define([
     "./GeneratorProvider",
     "./SinewaveLimitProvider",
     "./StateGeneratorProvider",
+    "./SpectralGeneratorProvider",
+    "./SpectralAggregateGeneratorProvider",
     "./GeneratorMetadataProvider"
 ], function (
     GeneratorProvider,
     SinewaveLimitProvider,
     StateGeneratorProvider,
+    SpectralGeneratorProvider,
+    SpectralAggregateGeneratorProvider,
     GeneratorMetadataProvider
 ) {
 
@@ -61,6 +65,37 @@ define([
 
         openmct.telemetry.addProvider(new StateGeneratorProvider());
 
+        openmct.types.addType("example.spectral-generator", {
+            name: "Spectral Generator",
+            description: "For development use. Generates example streaming telemetry data using a simple sine wave algorithm.",
+            cssClass: "icon-generator-telemetry",
+            creatable: true,
+            initialize: function (object) {
+                object.telemetry = {
+                    period: 10,
+                    amplitude: 1,
+                    wavelength: 1,
+                    frequency: 1,
+                    offset: 0,
+                    dataRateInHz: 1,
+                    phase: 0,
+                    randomness: 0
+                };
+            }
+        });
+        openmct.telemetry.addProvider(new SpectralGeneratorProvider());
+
+        openmct.types.addType("example.spectral-aggregate-generator", {
+            name: "Spectral Aggregate Generator",
+            description: "For development use. Generates example streaming telemetry data using a simple state algorithm.",
+            cssClass: "icon-generator-telemetry",
+            creatable: true,
+            initialize: function (object) {
+                object.telemetry = {};
+            }
+        });
+        openmct.telemetry.addProvider(new SpectralAggregateGeneratorProvider());
+
         openmct.types.addType("generator", {
             name: "Sine Wave Generator",
             description: "For development use. Generates example streaming telemetry data using a simple sine wave algorithm.",

package.json

@@ -2,7 +2,6 @@
   "name": "openmct",
   "version": "1.7.8-SNAPSHOT",
   "description": "The Open MCT core platform",
-  "dependencies": {},
   "devDependencies": {
     "angular": ">=1.8.0",
     "angular-route": "1.4.14",
@@ -12,16 +11,9 @@
     "copy-webpack-plugin": "^4.5.2",
     "cross-env": "^6.0.3",
     "css-loader": "^1.0.0",
-    "d3-array": "1.2.x",
     "d3-axis": "1.0.x",
-    "d3-collection": "1.0.x",
-    "d3-color": "1.0.x",
-    "d3-format": "1.2.x",
-    "d3-interpolate": "1.1.x",
     "d3-scale": "1.0.x",
     "d3-selection": "1.3.x",
-    "d3-time": "1.0.x",
-    "d3-time-format": "2.1.x",
     "eslint": "7.0.0",
     "eslint-plugin-vue": "^7.5.0",
     "eslint-plugin-you-dont-need-lodash-underscore": "^6.10.0",
@@ -41,13 +33,13 @@
     "jsdoc": "^3.3.2",
     "karma": "6.3.4",
     "karma-chrome-launcher": "3.1.0",
-    "karma-firefox-launcher": "2.1.1",
     "karma-cli": "2.0.0",
     "karma-coverage": "2.0.3",
     "karma-coverage-istanbul-reporter": "3.0.3",
-    "karma-junit-reporter": "2.0.1",
+    "karma-firefox-launcher": "2.1.1",
     "karma-html-reporter": "0.2.7",
     "karma-jasmine": "4.0.1",
+    "karma-junit-reporter": "2.0.1",
     "karma-sourcemap-loader": "0.3.8",
     "karma-webpack": "4.0.2",
     "location-bar": "^3.0.1",
@@ -62,6 +54,8 @@
     "node-bourbon": "^4.2.3",
     "node-sass": "^4.14.1",
     "painterro": "^1.2.56",
+    "plotly.js-basic-dist": "^2.5.0",
+    "plotly.js-gl2d-dist": "^2.5.0",
     "printj": "^1.2.1",
     "raw-loader": "^0.5.1",
     "request": "^2.69.0",

src/plugins/plot/ColorSwatch.vue

@@ -0,0 +1,170 @@
+<!--
+ Open MCT, Copyright (c) 2014-2020, United States Government
+ as represented by the Administrator of the National Aeronautics and Space
+ Administration. All rights reserved.
+
+ Open MCT is licensed under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ License for the specific language governing permissions and limitations
+ under the License.
+
+ Open MCT includes source code licensed under additional open source
+ licenses. See the Open Source Licenses file (LICENSES.md) included with
+ this source code distribution or the Licensing information page available
+ at runtime from the About dialog for additional information.
+-->
+<template>
+<div class="u-contents">
+    <ul v-if="canEdit"
+        class="l-inspector-part"
+    >
+        <h2 v-if="heading"
+            :title="heading"
+        >{{ heading }}</h2>
+        <li class="grid-row">
+            <div class="grid-cell label"
+                 :title="editTitle"
+            >{{ shortLabel }}</div>
+            <div class="grid-cell value">
+                <div class="c-click-swatch c-click-swatch--menu"
+                     @click="toggleSwatch()"
+                >
+                    <span class="c-color-swatch"
+                          :style="{ background: currentColor }"
+                    >
+                    </span>
+                </div>
+                <div class="c-palette c-palette--color">
+                    <div v-show="swatchActive"
+                         class="c-palette__items"
+                    >
+                        <div v-for="group in colorPaletteGroups"
+                             :key="group.id"
+                             class="u-contents"
+                        >
+                            <div v-for="color in group"
+                                 :key="color.id"
+                                 class="c-palette__item"
+                                 :class="{ 'selected': currentColor === color.hexString }"
+                                 :style="{ background: color.hexString }"
+                                 @click="setColor(color)"
+                            >
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        </li>
+    </ul>
+    <ul v-else
+        class="l-inspector-part"
+    >
+        <h2 v-if="heading"
+            :title="heading"
+        >{{ heading }}</h2>
+        <li class="grid-row">
+            <div class="grid-cell label"
+                 :title="viewTitle"
+            >{{ shortLabel }}</div>
+            <div class="grid-cell value">
+                <span class="c-color-swatch"
+                      :style="{
+                          'background': currentColor
+                      }"
+                >
+                </span>
+            </div>
+        </li>
+    </ul>
+</div>
+</template>
+
+<script>
+import ColorPalette from './lib/ColorPalette';
+
+export default {
+    inject: ['openmct', 'domainObject'],
+    props: {
+        currentColor: {
+            type: String,
+            default() {
+                return '';
+            }
+        },
+        editTitle: {
+            type: String,
+            default() {
+                return 'Set the color.';
+            }
+        },
+        viewTitle: {
+            type: String,
+            default() {
+                return 'The current color.';
+            }
+        },
+        shortLabel: {
+            type: String,
+            default() {
+                return 'Color';
+            }
+        },
+        heading: {
+            type: String,
+            default() {
+                return '';
+            }
+        }
+    },
+    data() {
+        return {
+            swatchActive: false,
+            colorPaletteGroups: [],
+            isEditing: this.openmct.editor.isEditing()
+        };
+    },
+    computed: {
+        canEdit() {
+            return this.isEditing && !this.domainObject.locked;
+        }
+    },
+    mounted() {
+        this.colorPalette = new ColorPalette();
+        this.openmct.editor.on('isEditing', this.setEditState);
+        this.initialize();
+    },
+    beforeDestroy() {
+        this.openmct.editor.off('isEditing', this.setEditState);
+    },
+    methods: {
+        initialize() {
+            const colorPaletteGroups = this.colorPalette.groups();
+            colorPaletteGroups.forEach((group, index) => {
+                let groupId = [];
+                group.forEach(color => {
+                    color.hexString = color.asHexString();
+                    color.id = `${color.hexString}-${index}`;
+                    groupId.push(color.id);
+                });
+                group.id = groupId.join('-');
+            });
+            this.colorPaletteGroups = colorPaletteGroups;
+        },
+        setEditState(isEditing) {
+            this.isEditing = isEditing;
+        },
+        setColor(chosenColor) {
+            this.$emit('colorSet', chosenColor);
+        },
+        toggleSwatch() {
+            this.swatchActive = !this.swatchActive;
+        }
+    }
+};
+</script>

src/plugins/plot/MctPlot.vue

@@ -156,7 +156,7 @@
 import eventHelpers from './lib/eventHelpers';
 import LinearScale from "./LinearScale";
 import PlotConfigurationModel from './configuration/PlotConfigurationModel';
-import configStore from './configuration/configStore';
+import configStore from './configuration/ConfigStore';
 
 import PlotLegend from "./legend/PlotLegend.vue";
 import MctTicks from "./MctTicks.vue";

src/plugins/plot/MctTicks.vue

@@ -77,7 +77,7 @@
 <script>
 import eventHelpers from "./lib/eventHelpers";
 import { ticks, getFormattedTicks } from "./tickUtils";
-import configStore from "./configuration/configStore";
+import configStore from "./configuration/ConfigStore";
 
 export default {
     inject: ['openmct', 'domainObject'],

src/plugins/plot/axis/XAxis.vue

@@ -54,7 +54,7 @@
 <script>
 import MctTicks from "../MctTicks.vue";
 import eventHelpers from '../lib/eventHelpers';
-import configStore from "../configuration/configStore";
+import configStore from "../configuration/ConfigStore";
 
 export default {
     components: {

src/plugins/plot/axis/YAxis.vue

@@ -57,7 +57,7 @@
 
 <script>
 import MctTicks from "../MctTicks.vue";
-import configStore from "../configuration/configStore";
+import configStore from "../configuration/ConfigStore";
 
 export default {
     components: {

src/plugins/plot/barGraph/BarGraphCompositionPolicy.js

@@ -0,0 +1,57 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2021, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+import { BAR_GRAPH_KEY } from './BarGraphConstants';
+
+export default function BarGraphCompositionPolicy(openmct) {
+    function hasAggregateDomainAndRange(metadata) {
+        const rangeValues = metadata.valuesForHints(['range']);
+
+        return rangeValues.length > 0;
+    }
+
+    function hasBarGraphTelemetry(domainObject) {
+        if (!Object.prototype.hasOwnProperty.call(domainObject, 'telemetry')) {
+            return false;
+        }
+
+        let metadata = openmct.telemetry.getMetadata(domainObject);
+
+        return metadata.values().length > 0 && hasAggregateDomainAndRange(metadata);
+    }
+
+    function hasNoChildren(parentObject) {
+        return parentObject.composition && parentObject.composition.length < 1;
+    }
+
+    return {
+        allow: function (parent, child) {
+            if ((parent.type === BAR_GRAPH_KEY)
+                && ((child.type !== 'telemetry.plot.overlay') && (hasBarGraphTelemetry(child) === false))
+            ) {
+                return false;
+            }
+
+            return true;
+        }
+    };
+}

src/plugins/plot/barGraph/BarGraphCompositionPolicySpec.js

@@ -0,0 +1,346 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2021, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+import BarGraphCompositionPolicy from "./BarGraphCompositionPolicy";
+import { createOpenMct } from "utils/testing";
+
+describe("The bar graph composition policy", () => {
+    let openmct;
+    const mockMetaDataWithNoRangeHints = {
+        "period": 10,
+        "amplitude": 1,
+        "offset": 0,
+        "dataRateInHz": 1,
+        "phase": 0,
+        "randomness": 0,
+        valuesForHints: () => {
+            return [];
+        },
+        values: [
+            {
+                "key": "name",
+                "name": "Name",
+                "format": "string"
+            },
+            {
+                "key": "utc",
+                "name": "Time",
+                "format": "utc",
+                "hints": {
+                    "domain": 1,
+                    "priority": 1
+                },
+                "source": "utc"
+            }
+        ]
+    };
+    const mockMetaDataWithRangeHints = {
+        "period": 10,
+        "amplitude": 1,
+        "offset": 0,
+        "dataRateInHz": 1,
+        "phase": 0,
+        "randomness": 0,
+        "wavelength": 0,
+        valuesForHints: () => {
+            return [
+                {
+                    "key": "sin",
+                    "name": "Sine",
+                    "unit": "Hz",
+                    "formatString": "%0.2f",
+                    "hints": {
+                        "range": 1,
+                        "priority": 4
+                    },
+                    "source": "sin"
+                },
+                {
+                    "key": "cos",
+                    "name": "Cosine",
+                    "unit": "deg",
+                    "formatString": "%0.2f",
+                    "hints": {
+                        "range": 2,
+                        "priority": 5
+                    },
+                    "source": "cos"
+                }
+            ];
+        },
+        values: [
+            {
+                "key": "name",
+                "name": "Name",
+                "format": "string",
+                "source": "name",
+                "hints": {
+                    "priority": 0
+                }
+            },
+            {
+                "key": "utc",
+                "name": "Time",
+                "format": "utc",
+                "hints": {
+                    "domain": 1,
+                    "priority": 1
+                },
+                "source": "utc"
+            },
+            {
+                "key": "yesterday",
+                "name": "Yesterday",
+                "format": "utc",
+                "hints": {
+                    "domain": 2,
+                    "priority": 2
+                },
+                "source": "yesterday"
+            },
+            {
+                "key": "sin",
+                "name": "Sine",
+                "unit": "Hz",
+                "formatString": "%0.2f",
+                "hints": {
+                    "range": 1,
+                    "spectralAttribute": true
+                },
+                "source": "sin"
+            },
+            {
+                "key": "cos",
+                "name": "Cosine",
+                "unit": "deg",
+                "formatString": "%0.2f",
+                "hints": {
+                    "range": 2,
+                    "priority": 5
+                },
+                "source": "cos"
+            }
+        ]
+    };
+
+    beforeEach(() => {
+        openmct = createOpenMct();
+        const mockTypeDef = {
+            telemetry: mockMetaDataWithRangeHints
+        };
+        const mockTypeService = {
+            getType: () => {
+                return {
+                    typeDef: mockTypeDef
+                };
+            }
+        };
+        openmct.$injector = {
+            get: () => {
+                return mockTypeService;
+            }
+        };
+
+        openmct.telemetry.isTelemetryObject = function (domainObject) {
+            return true;
+        };
+    });
+
+    it("exists", () => {
+        expect(BarGraphCompositionPolicy(openmct).allow).toBeDefined();
+    });
+
+    xit("allow composition for telemetry that provides/supports bar graph meta data", () => {
+        const parent = {
+            "composition": [],
+            "configuration": {},
+            "name": "Some Bar Graph",
+            "type": "telemetry.plot.bar-graph",
+            "location": "mine",
+            "modified": 1631005183584,
+            "persisted": 1631005183502,
+            "identifier": {
+                "namespace": "",
+                "key": "b78e7e23-f2b8-4776-b1f0-3ff778f5c8a9"
+            }
+        };
+        const child = {
+            "telemetry": {
+                "period": 10,
+                "amplitude": 1,
+                "offset": 0,
+                "dataRateInHz": 1,
+                "phase": 0,
+                "randomness": 0
+            },
+            "name": "Unnamed Sine Wave Generator",
+            "type": "generator",
+            "location": "mine",
+            "modified": 1630399715531,
+            "persisted": 1630399715531,
+            "identifier": {
+                "namespace": "",
+                "key": "21d61f2d-6d2d-4bea-8b0a-7f59fd504c6c"
+            }
+        };
+        expect(BarGraphCompositionPolicy(openmct).allow(parent, child)).toEqual(true);
+    });
+
+    it("allows composition for telemetry that contain at least one range", () => {
+        const mockTypeDef = {
+            telemetry: mockMetaDataWithRangeHints
+        };
+        const mockTypeService = {
+            getType: () => {
+                return {
+                    typeDef: mockTypeDef
+                };
+            }
+        };
+        openmct.$injector = {
+            get: () => {
+                return mockTypeService;
+            }
+        };
+        const parent = {
+            "composition": [],
+            "configuration": {},
+            "name": "Some Bar Graph",
+            "type": "telemetry.plot.bar-graph",
+            "location": "mine",
+            "modified": 1631005183584,
+            "persisted": 1631005183502,
+            "identifier": {
+                "namespace": "",
+                "key": "b78e7e23-f2b8-4776-b1f0-3ff778f5c8a9"
+            }
+        };
+        const child = {
+            "telemetry": {
+                "period": 10,
+                "amplitude": 1,
+                "offset": 0,
+                "dataRateInHz": 1,
+                "phase": 0,
+                "randomness": 0
+            },
+            "name": "Unnamed Sine Wave Generator",
+            "type": "generator",
+            "location": "mine",
+            "modified": 1630399715531,
+            "persisted": 1630399715531,
+            "identifier": {
+                "namespace": "",
+                "key": "21d61f2d-6d2d-4bea-8b0a-7f59fd504c6c"
+            }
+        };
+        expect(BarGraphCompositionPolicy(openmct).allow(parent, child)).toEqual(true);
+    });
+
+    it("disallows composition for telemetry that don't contain any range hints", () => {
+        const mockTypeDef = {
+            telemetry: mockMetaDataWithNoRangeHints
+        };
+        const mockTypeService = {
+            getType: () => {
+                return {
+                    typeDef: mockTypeDef
+                };
+            }
+        };
+        openmct.$injector = {
+            get: () => {
+                return mockTypeService;
+            }
+        };
+        const parent = {
+            "composition": [],
+            "configuration": {},
+            "name": "Some Bar Graph",
+            "type": "telemetry.plot.bar-graph",
+            "location": "mine",
+            "modified": 1631005183584,
+            "persisted": 1631005183502,
+            "identifier": {
+                "namespace": "",
+                "key": "b78e7e23-f2b8-4776-b1f0-3ff778f5c8a9"
+            }
+        };
+        const child = {
+            "telemetry": {
+                "period": 10,
+                "amplitude": 1,
+                "offset": 0,
+                "dataRateInHz": 1,
+                "phase": 0,
+                "randomness": 0
+            },
+            "name": "Unnamed Sine Wave Generator",
+            "type": "generator",
+            "location": "mine",
+            "modified": 1630399715531,
+            "persisted": 1630399715531,
+            "identifier": {
+                "namespace": "",
+                "key": "21d61f2d-6d2d-4bea-8b0a-7f59fd504c6c"
+            }
+        };
+        expect(BarGraphCompositionPolicy(openmct).allow(parent, child)).toEqual(false);
+    });
+
+    it("passthrough for composition for non bar graph plots", () => {
+        const parent = {
+            "composition": [],
+            "configuration": {},
+            "name": "Some Stacked Plot",
+            "type": "telemetry.plot.stacked",
+            "location": "mine",
+            "modified": 1631005183584,
+            "persisted": 1631005183502,
+            "identifier": {
+                "namespace": "",
+                "key": "b78e7e23-f2b8-4776-b1f0-3ff778f5c8a9"
+            }
+        };
+        const child = {
+            "telemetry": {
+                "period": 10,
+                "amplitude": 1,
+                "offset": 0,
+                "dataRateInHz": 1,
+                "phase": 0,
+                "randomness": 0
+            },
+            "name": "Unnamed Sine Wave Generator",
+            "type": "generator",
+            "location": "mine",
+            "modified": 1630399715531,
+            "persisted": 1630399715531,
+            "identifier": {
+                "namespace": "",
+                "key": "21d61f2d-6d2d-4bea-8b0a-7f59fd504c6c"
+            }
+        };
+        expect(BarGraphCompositionPolicy(openmct).allow(parent, child)).toEqual(true);
+    });
+});
+

src/plugins/plot/barGraph/BarGraphConstants.js

@@ -0,0 +1,5 @@
+export const BAR_GRAPH_VIEW = 'bar-graph.view';
+export const BAR_GRAPH_KEY = 'telemetry.plot.bar-graph';
+export const BAR_GRAPH_INSPECTOR_KEY = 'telemetry.plot.bar-graph.inspector';
+export const SUBSCRIBE = 'subscribe';
+export const UNSUBSCRIBE = 'unsubscribe';

src/plugins/plot/barGraph/BarGraphPlot.vue

@@ -0,0 +1,293 @@
+<template>
+<div ref="plotWrapper"
+     class="has-local-controls"
+     :class="{ 's-unsynced' : isZoomed }"
+>
+    <div v-if="isZoomed"
+         class="l-state-indicators"
+    >
+        <span class="l-state-indicators__alert-no-lad t-object-alert t-alert-unsynced icon-alert-triangle"
+              title="This plot is not currently displaying the latest data. Reset pan/zoom to view latest data."
+        ></span>
+    </div>
+    <div ref="plot"
+         class="c-bar-chart"
+    ></div>
+    <div v-if="false"
+         ref="localControl"
+         class="gl-plot__local-controls h-local-controls h-local-controls--overlay-content c-local-controls--show-on-hover"
+    >
+        <button v-if="data.length"
+                class="c-button icon-reset"
+                :disabled="!isZoomed"
+                title="Reset pan/zoom"
+                @click="reset()"
+        >
+        </button>
+    </div>
+</div>
+</template>
+<script>
+import Plotly from 'plotly.js-basic-dist';
+import { SUBSCRIBE, UNSUBSCRIBE } from './BarGraphConstants';
+
+const MULTI_AXES_X_PADDING_PERCENT = {
+    LEFT: 8,
+    RIGHT: 94
+};
+
+export default {
+    inject: ['openmct', 'domainObject'],
+    props: {
+        data: {
+            type: Array,
+            default() {
+                return [];
+            }
+        },
+        plotAxisTitle: {
+            type: Object,
+            default() {
+                return {};
+            }
+        }
+    },
+    data() {
+        return {
+            isZoomed: false,
+            primaryYAxisRange: {
+                min: '',
+                max: ''
+            },
+            xAxisRange: {
+                min: '',
+                max: ''
+            }
+        };
+    },
+    watch: {
+        data: {
+            immediate: false,
+            handler: 'updateData'
+        }
+    },
+    mounted() {
+        Plotly.newPlot(this.$refs.plot, Array.from(this.data), this.getLayout(), {
+            responsive: true,
+            displayModeBar: false
+        });
+        this.registerListeners();
+    },
+    beforeDestroy() {
+        this.$refs.plot.removeAllListeners();
+
+        if (this.plotResizeObserver) {
+            this.plotResizeObserver.unobserve(this.$refs.plotWrapper);
+            clearTimeout(this.resizeTimer);
+        }
+
+        if (this.removeBarColorListener) {
+            this.removeBarColorListener();
+        }
+    },
+    methods: {
+        getAxisMinMax(axis) {
+            const min = axis.autoSize
+                ? ''
+                : axis.min;
+            const max = axis.autoSize
+                ? ''
+                : axis.max;
+
+            return {
+                min,
+                max
+            };
+        },
+        getLayout() {
+            const yAxesMeta = this.getYAxisMeta();
+            const primaryYaxis = this.getYaxisLayout(yAxesMeta['1']);
+            const xAxisDomain = this.getXAxisDomain(yAxesMeta);
+
+            return {
+                autosize: true,
+                showlegend: false,
+                textposition: 'auto',
+                font: {
+                    family: 'Helvetica Neue, Helvetica, Arial, sans-serif',
+                    size: '12px',
+                    color: '#666'
+                },
+                xaxis: {
+                    domain: xAxisDomain,
+                    range: [this.xAxisRange.min, this.xAxisRange.max],
+                    title: this.plotAxisTitle.xAxisTitle,
+                    automargin: true,
+                    fixedrange: true
+                },
+                yaxis: primaryYaxis,
+                margin: {
+                    l: 5,
+                    r: 5,
+                    t: 5,
+                    b: 0
+                },
+                paper_bgcolor: 'transparent',
+                plot_bgcolor: 'transparent'
+            };
+        },
+        getYAxisMeta() {
+            const yAxisMeta = {};
+
+            this.data.forEach(d => {
+                const yAxisMetadata = d.yAxisMetadata;
+                const range = '1';
+                const side = 'left';
+                const name = '';
+                const unit = yAxisMetadata.units;
+
+                yAxisMeta[range] = {
+                    range,
+                    side,
+                    name,
+                    unit
+                };
+            });
+
+            return yAxisMeta;
+        },
+        getXAxisDomain(yAxisMeta) {
+            let leftPaddingPerc = 0;
+            let rightPaddingPerc = 100;
+            let rightSide = yAxisMeta && Object.values(yAxisMeta).filter((axisMeta => axisMeta.side === 'right'));
+            let leftSide = yAxisMeta && Object.values(yAxisMeta).filter((axisMeta => axisMeta.side === 'left'));
+            if (yAxisMeta && rightSide.length > 1) {
+                rightPaddingPerc = MULTI_AXES_X_PADDING_PERCENT.RIGHT;
+            }
+
+            if (yAxisMeta && leftSide.length > 1) {
+                leftPaddingPerc = MULTI_AXES_X_PADDING_PERCENT.LEFT;
+            }
+
+            return [leftPaddingPerc / 100, rightPaddingPerc / 100];
+        },
+        getYaxisLayout(yAxisMeta) {
+            if (!yAxisMeta) {
+                return {};
+            }
+
+            const { name, range, side = 'left', unit } = yAxisMeta;
+            const title = `${name} ${unit ? '(' + unit + ')' : ''}`;
+            const yaxis = {
+                automargin: true,
+                fixedrange: true,
+                title
+            };
+
+            let yAxistype = this.primaryYAxisRange;
+            if (range === '1') {
+                yaxis.range = [yAxistype.min, yAxistype.max];
+
+                return yaxis;
+            }
+
+            yaxis.range = [yAxistype.min, yAxistype.max];
+            yaxis.anchor = side.toLowerCase() === 'left'
+                ? 'free'
+                : 'x';
+            yaxis.showline = side.toLowerCase() === 'left';
+            yaxis.side = side.toLowerCase();
+            yaxis.overlaying = 'y';
+            yaxis.position = 0.01;
+
+            return yaxis;
+        },
+        registerListeners() {
+            this.$refs.plot.on('plotly_relayout', this.zoom);
+
+            this.removeBarColorListener = this.openmct.objects.observe(
+                this.domainObject,
+                'configuration.barStyles',
+                this.barColorChanged
+            );
+            this.resizeTimer = false;
+            if (window.ResizeObserver) {
+                this.plotResizeObserver = new ResizeObserver(() => {
+                    // debounce and trigger window resize so that plotly can resize the plot
+                    clearTimeout(this.resizeTimer);
+                    this.resizeTimer = setTimeout(() => {
+                        window.dispatchEvent(new Event('resize'));
+                    }, 250);
+                });
+                this.plotResizeObserver.observe(this.$refs.plotWrapper);
+            }
+        },
+        reset() {
+            this.updatePlot();
+
+            this.isZoomed = false;
+            this.$emit(SUBSCRIBE);
+        },
+        barColorChanged() {
+            const colors = [];
+            const indices = [];
+            this.data.forEach((item, index) => {
+                const key = item.key;
+                const color = this.domainObject.configuration.barStyles[key] && this.domainObject.configuration.barStyles[key].color;
+                indices.push(index);
+                if (color) {
+                    colors.push();
+                } else {
+                    colors.push(item.marker.color);
+                }
+            });
+            const plotUpdate = {
+                'marker.color': colors
+            };
+            Plotly.restyle(this.$refs.plot, plotUpdate, indices);
+        },
+        updateData() {
+            this.updatePlot();
+        },
+        updateLocalControlPosition() {
+            const localControl = this.$refs.localControl;
+            localControl.style.display = 'none';
+
+            const plot = this.$refs.plot;
+            const bgLayer = this.$el.querySelector('.bglayer');
+
+            const plotBoundingRect = plot.getBoundingClientRect();
+            const bgLayerBoundingRect = bgLayer.getBoundingClientRect();
+
+            const top = bgLayerBoundingRect.top - plotBoundingRect.top + 5;
+            const left = bgLayerBoundingRect.left - plotBoundingRect.left + 5;
+
+            localControl.style.top = `${top}px`;
+            localControl.style.left = `${left}px`;
+            localControl.style.display = 'block';
+        },
+        updatePlot() {
+            if (!this.$refs || !this.$refs.plot) {
+                return;
+            }
+
+            Plotly.react(this.$refs.plot, Array.from(this.data), this.getLayout());
+        },
+        zoom(eventData) {
+            const autorange = eventData['xaxis.autorange'];
+            const { autosize } = eventData;
+
+            if (autosize || autorange) {
+                this.isZoomed = false;
+                this.reset();
+
+                return;
+            }
+
+            this.isZoomed = true;
+            this.$emit(UNSUBSCRIBE);
+        }
+    }
+};
+</script>
+

src/plugins/plot/barGraph/BarGraphView.vue

@@ -0,0 +1,286 @@
+<!--
+ Open MCT, Copyright (c) 2014-2021, United States Government
+ as represented by the Administrator of the National Aeronautics and Space
+ Administration. All rights reserved.
+
+ Open MCT is licensed under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ License for the specific language governing permissions and limitations
+ under the License.
+
+ Open MCT includes source code licensed under additional open source
+ licenses. See the Open Source Licenses file (LICENSES.md) included with
+ this source code distribution or the Licensing information page available
+ at runtime from the About dialog for additional information.
+-->
+
+<template>
+<BarGraph ref="barGraph"
+          class="c-plot c-bar-chart-view"
+          :data="trace"
+          :plot-axis-title="plotAxisTitle"
+/>
+</template>
+
+<script>
+import * as SPECTRAL_AGGREGATE from './BarGraphConstants';
+import ColorPalette from '../lib/ColorPalette';
+import BarGraph from './BarGraphPlot.vue';
+import Color from "@/plugins/plot/lib/Color";
+
+export default {
+    components: {
+        BarGraph
+    },
+    inject: ['openmct', 'domainObject'],
+    data() {
+        return {
+            composition: {},
+            currentDomainObject: this.domainObject,
+            subscriptions: [],
+            telemetryObjects: {},
+            trace: []
+        };
+    },
+    computed: {
+        activeClock() {
+            return this.openmct.time.activeClock;
+        },
+        plotAxisTitle() {
+            const { xAxisMetadata = {}, yAxisMetadata = {} } = this.trace[0] || {};
+            const xAxisUnit = xAxisMetadata.units ? `(${xAxisMetadata.units})` : '';
+            const yAxisUnit = yAxisMetadata.units ? `(${yAxisMetadata.units})` : '';
+
+            return {
+                xAxisTitle: `${xAxisMetadata.name || ''} ${xAxisUnit}`,
+                yAxisTitle: `${yAxisMetadata.name || ''} ${yAxisUnit}`
+            };
+        }
+    },
+    mounted() {
+        this.colorPalette = new ColorPalette();
+        this.loadComposition();
+
+        this.openmct.time.on('bounds', this.refreshData);
+        this.openmct.time.on('clock', this.clockChanged);
+
+        this.$refs.barGraph.$on(SPECTRAL_AGGREGATE.SUBSCRIBE, this.subscribeToAll);
+        this.$refs.barGraph.$on(SPECTRAL_AGGREGATE.UNSUBSCRIBE, this.removeAllSubscriptions);
+
+        this.unobserve = this.openmct.objects.observe(this.currentDomainObject, '*', this.updateDomainObject);
+    },
+    beforeDestroy() {
+        this.$refs.barGraph.$off();
+        this.openmct.time.off('bounds', this.refreshData);
+        this.openmct.time.off('clock', this.clockChanged);
+
+        this.removeAllSubscriptions();
+        this.unobserve();
+
+        if (!this.composition) {
+            return;
+        }
+
+        this.composition.off('add', this.addTelemetryObject);
+        this.composition.off('remove', this.removeTelemetryObject);
+    },
+    methods: {
+        addTelemetryObject(telemetryObject) {
+            const key = this.openmct.objects.makeKeyString(telemetryObject.identifier);
+
+            if (!this.domainObject.configuration.barStyles) {
+                this.domainObject.configuration.barStyles = {};
+            }
+
+            // check to see if we've set a bar color
+            if (!this.domainObject.configuration.barStyles[key] || !this.domainObject.configuration.barStyles[key].color) {
+                const color = this.colorPalette.getNextColor().asHexString();
+                this.domainObject.configuration.barStyles[key] = {
+                    name: telemetryObject.name,
+                    color
+                };
+                this.openmct.objects.mutate(
+                    this.domainObject,
+                    `configuration.barStyles[${this.key}]`,
+                    this.domainObject.configuration.barStyles[key]
+                );
+            } else {
+                let color = this.domainObject.configuration.barStyles[key].color;
+                if (!(color instanceof Color)) {
+                    color = Color.fromHexString(color);
+                }
+
+                this.colorPalette.remove(color);
+            }
+
+            this.telemetryObjects[key] = telemetryObject;
+
+            this.requestDataFor(telemetryObject);
+            this.subscribeToObject(telemetryObject);
+        },
+        addTrace(trace, key) {
+            if (!this.trace.length) {
+                this.trace = this.trace.concat([trace]);
+
+                return;
+            }
+
+            let isInTrace = false;
+            const newTrace = this.trace.map((currentTrace, index) => {
+                if (currentTrace.key !== key) {
+                    return currentTrace;
+                }
+
+                isInTrace = true;
+
+                return trace;
+            });
+
+            this.trace = isInTrace ? newTrace : newTrace.concat([trace]);
+        },
+        clockChanged() {
+            this.removeAllSubscriptions();
+            this.subscribeToAll();
+        },
+        getAxisMetadata(telemetryObject) {
+            const metadata = this.openmct.telemetry.getMetadata(telemetryObject);
+            const yAxisMetadata = metadata.valuesForHints(['range'])[0];
+            //Exclude 'name' and 'time' based metadata specifically, from the x-Axis values by using range hints only
+            const xAxisMetadata = metadata.valuesForHints(['range']);
+
+            return {
+                xAxisMetadata,
+                yAxisMetadata
+            };
+        },
+        getOptions(telemetryObject) {
+            const { start, end } = this.openmct.time.bounds();
+
+            return {
+                end,
+                start,
+                startTime: null,
+                spectra: true
+            };
+        },
+        loadComposition() {
+            this.composition = this.openmct.composition.get(this.currentDomainObject);
+
+            if (!this.composition) {
+                this.addTelemetryObject(this.currentDomainObject);
+
+                return;
+            }
+
+            this.composition.on('add', this.addTelemetryObject);
+            this.composition.on('remove', this.removeTelemetryObject);
+            this.composition.load();
+        },
+        refreshData(bounds, isTick) {
+            if (!isTick) {
+                const telemetryObjects = Object.values(this.telemetryObjects);
+                telemetryObjects.forEach(this.requestDataFor);
+            }
+        },
+        removeAllSubscriptions() {
+            this.subscriptions.forEach(subscription => subscription.unsubscribe());
+            this.subscriptions = [];
+        },
+        removeSubscription(key) {
+            const found = this.subscriptions.findIndex(subscription => subscription.key === key);
+            if (found > -1) {
+                this.subscriptions[found].unsubscribe();
+                this.subscriptions.splice(found, 1);
+            }
+        },
+        removeTelemetryObject(identifier) {
+            const key = this.openmct.objects.makeKeyString(identifier);
+            delete this.telemetryObjects[key];
+            if (this.domainObject.configuration.barStyles[key]) {
+                delete this.domainObject.configuration.barStyles[key];
+            }
+
+            this.removeSubscription(key);
+
+            this.trace = this.trace.filter(t => t.key !== key);
+        },
+        processData(telemetryObject, data, axisMetadata) {
+            const key = this.openmct.objects.makeKeyString(telemetryObject.identifier);
+
+            if (data.message) {
+                this.openmct.notifications.alert(data.message);
+            }
+
+            let xValues = [];
+            let yValues = [];
+
+            //populate X and Y values for plotly
+            axisMetadata.xAxisMetadata.forEach((metadata) => {
+                xValues.push(metadata.name);
+                if (data[metadata.key]) {
+                    //TODO: Format the data?
+                    yValues.push(data[metadata.key]);
+                } else {
+                    yValues.push('');
+                }
+            });
+
+            const trace = {
+                key,
+                name: telemetryObject.name,
+                x: xValues,
+                y: yValues,
+                text: yValues.map(String),
+                xAxisMetadata: axisMetadata.xAxisMetadata,
+                yAxisMetadata: axisMetadata.yAxisMetadata,
+                type: 'bar',
+                marker: {
+                    color: this.domainObject.configuration.barStyles[key].color
+                },
+                hoverinfo: 'skip'
+            };
+
+            this.addTrace(trace, key);
+        },
+        requestDataFor(telemetryObject) {
+            const axisMetadata = this.getAxisMetadata(telemetryObject);
+            this.openmct.telemetry.request(telemetryObject, this.getOptions(telemetryObject))
+                .then(data => {
+                    data.forEach((datum) => {
+                        this.processData(telemetryObject, datum, axisMetadata);
+                    });
+                });
+        },
+        subscribeToObject(telemetryObject) {
+            const key = this.openmct.objects.makeKeyString(telemetryObject.identifier);
+
+            this.removeSubscription(key);
+
+            const options = this.getOptions(telemetryObject);
+            const axisMetadata = this.getAxisMetadata(telemetryObject);
+            const unsubscribe = this.openmct.telemetry.subscribe(telemetryObject,
+                data => this.processData(telemetryObject, data, axisMetadata)
+                , options);
+
+            this.subscriptions.push({
+                key,
+                unsubscribe
+            });
+        },
+        subscribeToAll() {
+            const telemetryObjects = Object.values(this.telemetryObjects);
+            telemetryObjects.forEach(this.subscribeToObject);
+        },
+        updateDomainObject(newDomainObject) {
+            this.currentDomainObject = newDomainObject;
+        }
+    }
+};
+
+</script>

src/plugins/plot/barGraph/BarGraphViewProvider.js

@@ -0,0 +1,76 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2021, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+import BarGraphView from './BarGraphView.vue';
+import { BAR_GRAPH_KEY, BAR_GRAPH_VIEW } from './BarGraphConstants';
+import Vue from 'vue';
+
+export default function BarGraphViewProvider(openmct) {
+    function isCompactView(objectPath) {
+        return objectPath.find(object => object.type === 'time-strip');
+    }
+
+    return {
+        key: BAR_GRAPH_VIEW,
+        name: 'Spectral Aggregate Plot',
+        cssClass: 'icon-telemetry',
+        canView(domainObject, objectPath) {
+            return domainObject && domainObject.type === BAR_GRAPH_KEY;
+        },
+
+        canEdit(domainObject, objectPath) {
+            return domainObject && domainObject.type === BAR_GRAPH_KEY;
+        },
+
+        view: function (domainObject, objectPath) {
+            let component;
+
+            return {
+                show: function (element) {
+                    let isCompact = isCompactView(objectPath);
+                    component = new Vue({
+                        el: element,
+                        components: {
+                            BarGraphView
+                        },
+                        provide: {
+                            openmct,
+                            domainObject
+                        },
+                        data() {
+                            return {
+                                options: {
+                                    compact: isCompact
+                                }
+                            };
+                        },
+                        template: '<bar-graph-view :options="options"></bar-graph-view>'
+                    });
+                },
+                destroy: function () {
+                    component.$destroy();
+                    component = undefined;
+                }
+            };
+        }
+    };
+}

src/plugins/plot/barGraph/inspector/BarGraphInspectorViewProvider.js

@@ -0,0 +1,48 @@
+import { BAR_GRAPH_INSPECTOR_KEY, BAR_GRAPH_KEY } from '../BarGraphConstants';
+import Vue from 'vue';
+import Options from "./Options.vue";
+
+export default function BarGraphInspectorViewProvider(openmct) {
+    return {
+        key: BAR_GRAPH_INSPECTOR_KEY,
+        name: 'Bar Graph Inspector View',
+        canView: function (selection) {
+            if (selection.length === 0 || selection[0].length === 0) {
+                return false;
+            }
+
+            let object = selection[0][0].context.item;
+
+            return object
+                && object.type === BAR_GRAPH_KEY;
+        },
+        view: function (selection) {
+            let component;
+
+            return {
+                show: function (element) {
+                    component = new Vue({
+                        el: element,
+                        components: {
+                            Options
+                        },
+                        provide: {
+                            openmct,
+                            domainObject: selection[0][0].context.item
+                        },
+                        template: '<options></options>'
+                    });
+                },
+                destroy: function () {
+                    if (component) {
+                        component.$destroy();
+                        component = undefined;
+                    }
+                }
+            };
+        },
+        priority: function () {
+            return 1;
+        }
+    };
+}

src/plugins/plot/barGraph/inspector/BarGraphOptions.vue

@@ -0,0 +1,107 @@
+<!--
+ Open MCT, Copyright (c) 2014-2020, United States Government
+ as represented by the Administrator of the National Aeronautics and Space
+ Administration. All rights reserved.
+
+ Open MCT is licensed under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ License for the specific language governing permissions and limitations
+ under the License.
+
+ Open MCT includes source code licensed under additional open source
+ licenses. See the Open Source Licenses file (LICENSES.md) included with
+ this source code distribution or the Licensing information page available
+ at runtime from the About dialog for additional information.
+-->
+<template>
+<ul>
+    <li class="c-tree__item menus-to-left">
+        <span class="c-disclosure-triangle is-enabled flex-elem"
+              :class="expandedCssClass"
+              @click="expanded = !expanded"
+        >
+        </span>
+        <div>
+            <div class="c-object-label__name">{{ name }}</div>
+        </div>
+    </li>
+    <ColorSwatch v-if="expanded"
+                 :current-color="currentColor"
+                 title="Manually set the color for this bar graph."
+                 edit-title="Manually set the color for this bar graph"
+                 view-title="The color for this bar graph."
+                 short-label="Color"
+                 class="grid-properties"
+                 @colorSet="setColor"
+    />
+</ul>
+</template>
+
+<script>
+import ColorSwatch from '../../ColorSwatch.vue';
+
+export default {
+    components: {
+        ColorSwatch
+    },
+    inject: ['openmct', 'domainObject'],
+    props: {
+        item: {
+            type: Object,
+            required: true
+        }
+    },
+    data() {
+        return {
+            currentColor: undefined,
+            name: '',
+            expanded: false
+        };
+    },
+    computed: {
+        expandedCssClass() {
+            return this.expanded ? 'c-disclosure-triangle--expanded' : '';
+        }
+    },
+    watch: {
+        item: {
+            handler() {
+                this.initColor();
+            },
+            deep: true
+        }
+    },
+    mounted() {
+        this.key = this.openmct.objects.makeKeyString(this.item);
+        this.initColor();
+        this.unObserve = this.openmct.objects.observe(this.domainObject, `this.domainObject.configuration.barStyles[${this.key}]`, this.initColor);
+    },
+    beforeDestroy() {
+        if (this.unObserve) {
+            this.unObserve();
+        }
+    },
+    methods: {
+        initColor() {
+            if (this.domainObject.configuration.barStyles && this.domainObject.configuration.barStyles[this.key]) {
+                this.currentColor = this.domainObject.configuration.barStyles[this.key].color;
+                this.name = this.domainObject.configuration.barStyles[this.key].name;
+            }
+        },
+        setColor(chosenColor) {
+            this.currentColor = chosenColor.asHexString();
+            this.openmct.objects.mutate(
+                this.domainObject,
+                `configuration.barStyles[${this.key}].color`,
+                this.currentColor
+            );
+        }
+    }
+};
+</script>

src/plugins/plot/barGraph/inspector/Options.vue

@@ -0,0 +1,63 @@
+<!--
+ Open MCT, Copyright (c) 2014-2020, United States Government
+ as represented by the Administrator of the National Aeronautics and Space
+ Administration. All rights reserved.
+
+ Open MCT is licensed under the Apache License, Version 2.0 (the
+ "License"); you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0.
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ License for the specific language governing permissions and limitations
+ under the License.
+
+ Open MCT includes source code licensed under additional open source
+ licenses. See the Open Source Licenses file (LICENSES.md) included with
+ this source code distribution or the Licensing information page available
+ at runtime from the About dialog for additional information.
+-->
+<template>
+<div>
+    <ul class="c-tree">
+        <li v-for="series in domainObject.composition"
+            :key="series.key"
+        >
+            <bar-graph-options :item="series" />
+        </li>
+    </ul>
+</div>
+</template>
+
+<script>
+import BarGraphOptions from "./BarGraphOptions.vue";
+export default {
+    components: {
+        BarGraphOptions
+    },
+    inject: ['openmct', 'domainObject'],
+    data() {
+        return {
+            isEditing: this.openmct.editor.isEditing()
+        };
+    },
+    computed: {
+        canEdit() {
+            return this.isEditing && !this.domainObject.locked;
+        }
+    },
+    mounted() {
+        this.openmct.editor.on('isEditing', this.setEditState);
+    },
+    beforeDestroy() {
+        this.openmct.editor.off('isEditing', this.setEditState);
+    },
+    methods: {
+        setEditState(isEditing) {
+            this.isEditing = isEditing;
+        }
+    }
+};
+</script>

src/plugins/plot/chart/MctChart.vue

@@ -38,7 +38,7 @@ import MCTChartLineStepAfter from './MCTChartLineStepAfter';
 import MCTChartPointSet from './MCTChartPointSet';
 import MCTChartAlarmPointSet from './MCTChartAlarmPointSet';
 import MCTChartAlarmLineSet from "./MCTChartAlarmLineSet";
-import configStore from "../configuration/configStore";
+import configStore from "../configuration/ConfigStore";
 import PlotConfigurationModel from "../configuration/PlotConfigurationModel";
 import LimitLine from "./LimitLine.vue";
 import LimitLabel from "./LimitLabel.vue";

src/plugins/plot/configuration/PlotSeries.js

@@ -22,7 +22,7 @@
 import _ from 'lodash';
 import Model from "./Model";
 import { MARKER_SHAPES } from '../draw/MarkerShapes';
-import configStore from "../configuration/configStore";
+import configStore from "../configuration/ConfigStore";
 
 /**
  * Plot series handle interpreting telemetry metadata for a single telemetry

src/plugins/plot/inspector/PlotOptionsBrowse.vue

@@ -115,7 +115,7 @@
 
 <script>
 import PlotOptionsItem from "./PlotOptionsItem.vue";
-import configStore from "../configuration/configStore";
+import configStore from "../configuration/ConfigStore";
 import eventHelpers from "../lib/eventHelpers";
 
 export default {

src/plugins/plot/inspector/PlotOptionsEdit.vue

@@ -49,7 +49,7 @@ import SeriesForm from "./forms/SeriesForm.vue";
 import YAxisForm from "./forms/YAxisForm.vue";
 import LegendForm from "./forms/LegendForm.vue";
 import eventHelpers from "../lib/eventHelpers";
-import configStore from "../configuration/configStore";
+import configStore from "../configuration/ConfigStore";
 
 export default {
     components: {

src/plugins/plot/inspector/PlotOptionsItem.vue

@@ -68,26 +68,23 @@
                     {{ limitLines ? "Enabled" : "Disabled" }}
                 </div>
             </li>
-            <li class="grid-row">
+            <ColorSwatch :current-color="seriesHexColor"
-                <div class="grid-cell label"
+                         edit-title="Manually set the plot line and marker color for this series."
-                     title="The plot line and marker color for this series."
+                         view-title="The plot line and marker color for this series."
-                >Color</div>
+                         short-label="Color"
-                <div class="grid-cell value">
+            />
-                    <span class="c-color-swatch"
-                          :style="{
-                              'background': seriesHexColor
-                          }"
-                    >
-                    </span>
-                </div>
-            </li>
         </ul>
     </li>
 </ul>
 </template>
 
 <script>
+import ColorSwatch from "@/plugins/plot/ColorSwatch.vue";
+
 export default {
+    components: {
+        ColorSwatch
+    },
     inject: ['openmct', 'domainObject', 'path'],
     props: {
         series: {

src/plugins/plot/inspector/forms/SeriesForm.vue

@@ -117,49 +117,27 @@
         <li v-show="interpolate !== 'none' || markers"
             class="grid-row"
         >
-            <div class="grid-cell label"
+            <ColorSwatch :current-color="currentColor"
-                 title="Manually set the plot line and marker color for this series."
+                         edit-title="Manually set the plot line and marker color for this series."
-            >Color</div>
+                         view-title="The plot line and marker color for this series."
-            <div class="grid-cell value">
+                         short-label="Color"
-                <div class="c-click-swatch c-click-swatch--menu"
+                         @colorSet="setColor"
-                     @click="toggleSwatch()"
+            />
-                >
-                    <span class="c-color-swatch"
-                          :style="{ background: seriesColorAsHex }"
-                    >
-                    </span>
-                </div>
-                <div class="c-palette c-palette--color">
-                    <div v-show="swatchActive"
-                         class="c-palette__items"
-                    >
-                        <div v-for="(group, index) in colorPalette"
-                             :key="index"
-                             class="u-contents"
-                        >
-                            <div v-for="(color, colorIndex) in group"
-                                 :key="colorIndex"
-                                 class="c-palette__item"
-                                 :class="{ 'selected': series.get('color').equalTo(color) }"
-                                 :style="{ background: color.asHexString() }"
-                                 @click="setColor(color)"
-                            >
-                            </div>
-                        </div>
-                    </div>
-                </div>
-            </div>
         </li>
     </ul>
 </ul>
 </template>
 
 <script>
+import ColorSwatch from '../../ColorSwatch.vue';
 import { MARKER_SHAPES } from "../../draw/MarkerShapes";
 import { objectPath, validate, coerce } from "./formUtil";
 import _ from 'lodash';
 
 export default {
+    components: {
+        ColorSwatch
+    },
     inject: ['openmct', 'domainObject', 'path'],
     props: {
         series: {
@@ -209,7 +187,7 @@ export default {
         expandedCssClass() {
             return this.expanded ? 'c-disclosure-triangle--expanded' : '';
         },
-        seriesColorAsHex() {
+        currentColor() {
             return this.series.get('color').asHexString();
         }
     },

src/plugins/plot/lib/ColorPalette.js

@@ -89,13 +89,4 @@ ColorPalette.prototype.getNextColor = function () {
     return this.availableColors.shift();
 };
 
-/**
- * @param {number} index the index of the color to return.  An index
- * value larger than the size of the index will wrap around.
- * @returns {Color}
- */
-ColorPalette.prototype.getColor = function (index) {
-    return this.colors[index % this.colors.length];
-};
-
 export default ColorPalette;

src/plugins/plot/plugin.js

@@ -19,13 +19,18 @@
  * this source code distribution or the Licensing information page available
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
-
+import { BAR_GRAPH_KEY } from './barGraph/BarGraphConstants';
 import PlotViewProvider from './PlotViewProvider';
+import SpectralPlotViewProvider from './spectralPlot/SpectralPlotViewProvider';
+import BarGraphViewProvider from './barGraph/BarGraphViewProvider';
 import OverlayPlotViewProvider from './overlayPlot/OverlayPlotViewProvider';
 import StackedPlotViewProvider from './stackedPlot/StackedPlotViewProvider';
 import PlotsInspectorViewProvider from './inspector/PlotsInspectorViewProvider';
+import BarGraphInspectorViewProvider from './barGraph/inspector/BarGraphInspectorViewProvider';
 import OverlayPlotCompositionPolicy from './overlayPlot/OverlayPlotCompositionPolicy';
 import StackedPlotCompositionPolicy from './stackedPlot/StackedPlotCompositionPolicy';
+import SpectralPlotCompositionPolicy from './spectralPlot/SpectralPlotCompositionPolicy';
+import BarGraphCompositionPolicy from './barGraph/BarGraphCompositionPolicy';
 
 export default function () {
     return function install(openmct) {
@@ -59,13 +64,48 @@ export default function () {
             },
             priority: 890
         });
+        openmct.types.addType('telemetry.plot.spectral', {
+            key: "telemetry.plot.spectral",
+            name: "Spectral Plot",
+            cssClass: "icon-plot-stacked",
+            description: "View Spectra on Y Axes with non-time domain on the X axis. Can be added to Display Layouts.",
+            //Temporarily disabling spectral plots
+            creatable: false,
+            initialize: function (domainObject) {
+                domainObject.composition = [];
+                domainObject.configuration = {};
+            },
+            priority: 890
+        });
+
+        openmct.types.addType(BAR_GRAPH_KEY, {
+            key: BAR_GRAPH_KEY,
+            name: "Bar Graph",
+            cssClass: "icon-bar-chart",
+            description: "View data as a bar graph. Can be added to Display Layouts.",
+            creatable: true,
+            initialize: function (domainObject) {
+                domainObject.composition = [];
+                domainObject.configuration = {
+                    plotType: 'bar'
+                };
+            },
+            priority: 891
+        });
 
         openmct.objectViews.addProvider(new StackedPlotViewProvider(openmct));
         openmct.objectViews.addProvider(new OverlayPlotViewProvider(openmct));
         openmct.objectViews.addProvider(new PlotViewProvider(openmct));
+        openmct.objectViews.addProvider(new SpectralPlotViewProvider(openmct));
+        openmct.objectViews.addProvider(new BarGraphViewProvider(openmct));
+
         openmct.inspectorViews.addProvider(new PlotsInspectorViewProvider(openmct));
+        openmct.inspectorViews.addProvider(new BarGraphInspectorViewProvider(openmct));
+
         openmct.composition.addPolicy(new OverlayPlotCompositionPolicy(openmct).allow);
         openmct.composition.addPolicy(new StackedPlotCompositionPolicy(openmct).allow);
+        openmct.composition.addPolicy(new SpectralPlotCompositionPolicy(openmct).allow);
+        openmct.composition.addPolicy(new BarGraphCompositionPolicy(openmct).allow);
     };
 }
 

src/plugins/plot/pluginSpec.js

@@ -24,10 +24,12 @@ import {createMouseEvent, createOpenMct, resetApplicationState, spyOnBuiltins} f
 import PlotVuePlugin from "./plugin";
 import Vue from "vue";
 import StackedPlot from "./stackedPlot/StackedPlot.vue";
-import configStore from "./configuration/configStore";
+// import SpectralPlot from "./spectralPlot/SpectralPlot.vue";
+import configStore from "./configuration/ConfigStore";
 import EventEmitter from "EventEmitter";
 import PlotOptions from "./inspector/PlotOptions.vue";
 import PlotConfigurationModel from "./configuration/PlotConfigurationModel";
+import { BAR_GRAPH_VIEW, BAR_GRAPH_KEY } from './barGraph/BarGraphConstants';
 
 describe("the plugin", function () {
     let element;
@@ -312,6 +314,38 @@ describe("the plugin", function () {
             let plotView = applicableViews.find((viewProvider) => viewProvider.key === "plot-stacked");
             expect(plotView).toBeDefined();
         });
+
+        it("provides a spectral plot view for objects with telemetry", () => {
+            const testTelemetryObject = {
+                id: "test-object",
+                type: "telemetry.plot.spectral",
+                telemetry: {
+                    values: [{
+                        key: "a-very-fine-key"
+                    }]
+                }
+            };
+
+            const applicableViews = openmct.objectViews.get(testTelemetryObject, mockObjectPath);
+            let plotView = applicableViews.find((viewProvider) => viewProvider.key === "plot-spectral");
+            expect(plotView).toBeDefined();
+        });
+
+        it("provides a spectral aggregate plot view for objects with telemetry", () => {
+            const testTelemetryObject = {
+                id: "test-object",
+                type: BAR_GRAPH_KEY,
+                telemetry: {
+                    values: [{
+                        key: "lots-of-aggregate-telemetry"
+                    }]
+                }
+            };
+
+            const applicableViews = openmct.objectViews.get(testTelemetryObject, mockObjectPath);
+            let plotView = applicableViews.find((viewProvider) => viewProvider.key === BAR_GRAPH_VIEW);
+            expect(plotView).toBeDefined();
+        });
     });
 
     describe("The single plot view", () => {
@@ -462,6 +496,146 @@ describe("the plugin", function () {
         });
     });
 
+    /*
+    * disabling this until we develop the plot view
+    describe("The spectral plot view", () => {
+        let testTelemetryObject;
+        // eslint-disable-next-line no-unused-vars
+        let testTelemetryObject2;
+        // eslint-disable-next-line no-unused-vars
+        let config;
+        let spectralPlotObject;
+        let component;
+        let mockComposition;
+        // eslint-disable-next-line no-unused-vars
+        let plotViewComponentObject;
+
+        beforeEach(() => {
+            const getFunc = openmct.$injector.get;
+            spyOn(openmct.$injector, "get")
+                .withArgs("exportImageService").and.returnValue({
+                    exportPNG: () => {},
+                    exportJPG: () => {}
+                })
+                .and.callFake(getFunc);
+
+            spectralPlotObject = {
+                identifier: {
+                    namespace: "",
+                    key: "test-spectral-plot"
+                },
+                type: "telemetry.plot.spectral",
+                name: "Test Spectral Plot"
+            };
+
+            testTelemetryObject = {
+                identifier: {
+                    namespace: "",
+                    key: "test-object"
+                },
+                type: "test-object",
+                name: "Test Object",
+                telemetry: {
+                    values: [{
+                        key: "utc",
+                        format: "utc",
+                        name: "Time",
+                        hints: {
+                            domain: 1
+                        }
+                    }, {
+                        key: "some-key",
+                        name: "Some attribute",
+                        hints: {
+                            range: 1
+                        }
+                    }, {
+                        key: "some-other-key",
+                        name: "Another attribute",
+                        hints: {
+                            range: 2
+                        }
+                    }]
+                }
+            };
+
+            testTelemetryObject2 = {
+                identifier: {
+                    namespace: "",
+                    key: "test-object2"
+                },
+                type: "test-object",
+                name: "Test Object2",
+                telemetry: {
+                    values: [{
+                        key: "utc",
+                        format: "utc",
+                        name: "Time",
+                        hints: {
+                            domain: 1
+                        }
+                    }, {
+                        key: "wavelength",
+                        name: "Wavelength",
+                        hints: {
+                            range: 1
+                        }
+                    }, {
+                        key: "some-other-key2",
+                        name: "Another attribute2",
+                        hints: {
+                            range: 2
+                        }
+                    }]
+                }
+            };
+
+            mockComposition = new EventEmitter();
+            mockComposition.load = () => {
+                mockComposition.emit('add', testTelemetryObject);
+
+                return [testTelemetryObject];
+            };
+
+            spyOn(openmct.composition, 'get').and.returnValue(mockComposition);
+
+            let viewContainer = document.createElement("div");
+            child.append(viewContainer);
+            component = new Vue({
+                el: viewContainer,
+                components: {
+                    SpectralPlot
+                },
+                provide: {
+                    openmct: openmct,
+                    domainObject: spectralPlotObject,
+                    composition: openmct.composition.get(spectralPlotObject)
+                },
+                template: "<spectral-plot></spectral-plot>"
+            });
+
+            cleanupFirst.push(() => {
+                component.$destroy();
+                component = undefined;
+            });
+
+            return telemetryPromise
+                .then(Vue.nextTick())
+                .then(() => {
+                    plotViewComponentObject = component.$root.$children[0];
+                    const configId = openmct.objects.makeKeyString(testTelemetryObject.identifier);
+                    config = configStore.get(configId);
+                });
+        });
+
+        it("Renders a collapsed legend for every telemetry", () => {
+            let legend = element.querySelectorAll(".plot-wrapper-collapsed-legend .plot-series-name");
+            expect(legend.length).toBe(1);
+            expect(legend[0].innerHTML).toEqual("Test Object");
+        });
+
+    }); */
+
     describe("The stacked plot view", () => {
         let testTelemetryObject;
         let testTelemetryObject2;
@@ -963,7 +1137,7 @@ describe("the plugin", function () {
                 expandControl.dispatchEvent(clickEvent);
 
                 const plotOptionsProperties = editOptionsEl.querySelectorAll(".js-plot-options-edit-properties .grid-row");
-                expect(plotOptionsProperties.length).toEqual(7);
+                expect(plotOptionsProperties.length).toEqual(8);
             });
 
             it('shows yKeyOptions', () => {
@@ -991,4 +1165,39 @@ describe("the plugin", function () {
         });
     });
 
+    describe("the spectral plot", () => {
+        const mockObject = {
+            name: 'A Very Nice Spectral Plot',
+            key: 'telemetry.plot.spectral',
+            creatable: true
+        };
+
+        it('defines a spectral plot object type with the correct key', () => {
+            const objectDef = openmct.types.get('telemetry.plot.spectral').definition;
+            expect(objectDef.key).toEqual(mockObject.key);
+        });
+
+        xit('is creatable', () => {
+            const objectDef = openmct.types.get('telemetry.plot.spectral').definition;
+            expect(objectDef.creatable).toEqual(mockObject.creatable);
+        });
+    });
+
+    describe("the aggregate spectral plot", () => {
+        const mockObject = {
+            name: 'An Even Nicer Aggregate Spectral Plot',
+            key: BAR_GRAPH_KEY,
+            creatable: true
+        };
+
+        it('defines a spectral plot object type with the correct key', () => {
+            const objectDef = openmct.types.get(BAR_GRAPH_KEY).definition;
+            expect(objectDef.key).toEqual(mockObject.key);
+        });
+
+        it('is creatable', () => {
+            const objectDef = openmct.types.get(BAR_GRAPH_KEY).definition;
+            expect(objectDef.creatable).toEqual(mockObject.creatable);
+        });
+    });
 });

src/plugins/plot/spectralPlot/SpectralPlotCompositionPolicy.js

@@ -0,0 +1,36 @@
+export default function SpectralPlotCompositionPolicy(openmct) {
+    function hasSpectralDomainAndRange(metadata) {
+        const rangeValues = metadata.valuesForHints(['range']);
+        const domainValues = metadata.valuesForHints(['domain']);
+        const containsSomeSpectralData = domainValues.some(value => {
+            return ((value.key === 'wavelength') || (value.key === 'frequency'));
+        });
+
+        return rangeValues.length > 0
+        && domainValues.length > 0
+        && containsSomeSpectralData;
+    }
+
+    function hasSpectralTelemetry(domainObject) {
+        if (!Object.prototype.hasOwnProperty.call(domainObject, 'telemetry')) {
+            return false;
+        }
+
+        let metadata = openmct.telemetry.getMetadata(domainObject);
+
+        return metadata.values().length > 0 && hasSpectralDomainAndRange(metadata);
+    }
+
+    return {
+        allow: function (parent, child) {
+
+            if ((parent.type === 'telemetry.plot.spectral')
+                && ((child.type !== 'telemetry.plot.overlay') && (hasSpectralTelemetry(child) === false))
+            ) {
+                return false;
+            }
+
+            return true;
+        }
+    };
+}

src/plugins/plot/spectralPlot/SpectralPlotViewProvider.js

@@ -0,0 +1,75 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2021, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+
+import SpectralView from './SpectralView.vue';
+import Vue from 'vue';
+
+export default function SpectralPlotViewProvider(openmct) {
+    function isCompactView(objectPath) {
+        return objectPath.find(object => object.type === 'time-strip');
+    }
+
+    return {
+        key: 'plot-spectral',
+        name: 'Spectral Plot',
+        cssClass: 'icon-telemetry',
+        canView(domainObject, objectPath) {
+            return domainObject && domainObject.type === 'telemetry.plot.spectral';
+        },
+
+        canEdit(domainObject, objectPath) {
+            return domainObject && domainObject.type === 'telemetry.plot.spectral';
+        },
+
+        view: function (domainObject, objectPath) {
+            let component;
+
+            return {
+                show: function (element) {
+                    let isCompact = isCompactView(objectPath);
+                    component = new Vue({
+                        el: element,
+                        components: {
+                            SpectralView
+                        },
+                        provide: {
+                            openmct,
+                            domainObject
+                        },
+                        data() {
+                            return {
+                                options: {
+                                    compact: isCompact
+                                }
+                            };
+                        },
+                        template: '<spectral-view :options="options"></spectral-view>'
+                    });
+                },
+                destroy: function () {
+                    component.$destroy();
+                    component = undefined;
+                }
+            };
+        }
+    };
+}

src/plugins/plot/spectralPlot/SpectralView.vue

@@ -0,0 +1,13 @@
+<template>
+<div>
+
+</div>
+</template>
+
+<script>
+
+export default {
+    inject: ['openmct', 'domainObject']
+};
+
+</script>

src/styles/_legacy-plots.scss

@@ -729,6 +729,12 @@ mct-plot {
 
 }
 
+/********************************************************************* BAR CHARTS */
+.c-bar-chart {
+    flex: 1 1 auto;
+    overflow: hidden;
+}
+
 /***************** CURSOR GUIDES */
 [class*='c-cursor-guide'] {
     box-shadow: $shdwCursorGuide;

src/styles/plotly.scss

@@ -40,6 +40,11 @@
             }
         }
 
+        .zerolinelayer {
+            // Hide unneeded plotly-styled horizontal line
+            display: none;
+        }
+
         path.xy2-y {
             stroke: $colorPlotHash !important; // Using this instead of $colorPlotAreaBorder because that is an rgba
             opacity: $opacityPlotHash !important;