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107 lines
4.4 KiB
JavaScript
107 lines
4.4 KiB
JavaScript
/*****************************************************************************
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* Open MCT Web, Copyright (c) 2014-2015, United States Government
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* as represented by the Administrator of the National Aeronautics and Space
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* Administration. All rights reserved.
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*
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* Open MCT Web is licensed under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* Open MCT Web includes source code licensed under additional open source
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* licenses. See the Open Source Licenses file (LICENSES.md) included with
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* this source code distribution or the Licensing information page available
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* at runtime from the About dialog for additional information.
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*****************************************************************************/
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/*global define*/
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define(
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["../SubPlot", "../elements/PlotPalette", "../elements/PlotPanZoomStack"],
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function (SubPlot, PlotPalette, PlotPanZoomStack) {
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"use strict";
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/**
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* Handles plotting in Overlaid mode. In overlaid mode, there
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* is one sub-plot which contains all plotted objects.
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* @constructor
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* @param {DomainObject[]} the domain objects to be plotted
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*/
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function PlotOverlayMode(telemetryObjects, subPlotFactory) {
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var domainOffset,
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panZoomStack = new PlotPanZoomStack([], []),
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subplot = subPlotFactory.createSubPlot(
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telemetryObjects,
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panZoomStack
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),
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subplots = [ subplot ];
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function plotTelemetry(prepared) {
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// Fit to the boundaries of the data, but don't
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// override any user-initiated pan-zoom changes.
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panZoomStack.setBasePanZoom(
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prepared.getOrigin(),
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prepared.getDimensions()
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);
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// Track the domain offset, used to bias domain values
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// to minimize loss of precision when converted to 32-bit
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// floating point values for display.
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subplot.setDomainOffset(prepared.getDomainOffset());
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// Draw the buffers. Select color by index.
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subplot.getDrawingObject().lines = prepared.getLineBuffers().map(function (buf, i) {
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return {
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buffer: buf.getBuffer(),
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color: PlotPalette.getFloatColor(i),
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points: buf.getLength()
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};
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});
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}
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return {
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/**
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* Plot telemetry to the sub-plot(s) managed by this mode.
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* @param {PlotPreparer} prepared the prepared data to plot
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*/
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plotTelemetry: plotTelemetry,
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/**
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* Get all sub-plots to be displayed in this mode; used
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* to populate the plot template.
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* @return {SubPlot[]} all sub-plots to display in this mode
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*/
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getSubPlots: function () {
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return subplots;
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},
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/**
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* Check if we are not in our base pan-zoom state (that is,
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* there are some temporary user modifications to the
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* current pan-zoom state.)
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* @returns {boolean} true if not in the base pan-zoom state
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*/
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isZoomed: function () {
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return panZoomStack.getDepth() > 1;
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},
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/**
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* Undo the most recent pan/zoom change and restore
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* the prior state.
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*/
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stepBackPanZoom: function () {
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panZoomStack.popPanZoom();
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subplot.update();
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},
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unzoom: function () {
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panZoomStack.clearPanZoom();
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subplot.update();
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}
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};
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}
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return PlotOverlayMode;
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}
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); |