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741fc57442
Begin adding a more timelike alternately-formatted domain to sine waves; the 'delta' can be expressed as UTC timestamps but will be formatted for display as a time relative to when sine wave generation began.
79 lines
3.1 KiB
JavaScript
79 lines
3.1 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,Promise*/
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/**
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* Module defining SinewaveTelemetry. Created by vwoeltje on 11/12/14.
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*/
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define(
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['./SinewaveConstants'],
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function (SinewaveConstants) {
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"use strict";
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var ONE_DAY = 60 * 60 * 24,
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firstObservedTime = SinewaveConstants.START_TIME;
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/**
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*
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* @constructor
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*/
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function SinewaveTelemetrySeries(request) {
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var timeOffset = (request.domain === 'yesterday') ? ONE_DAY : 0,
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latestTime = Math.floor(Date.now() / 1000) - timeOffset,
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firstTime = firstObservedTime - timeOffset,
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endTime = (request.end !== undefined) ?
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Math.floor(request.end / 1000) : latestTime,
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count = Math.min(endTime, latestTime) - firstTime,
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period = +request.period || 30,
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generatorData = {},
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requestStart = (request.start === undefined) ? firstTime :
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Math.max(Math.floor(request.start / 1000), firstTime),
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offset = requestStart - firstTime;
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if (request.size !== undefined) {
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offset = Math.max(offset, count - request.size);
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}
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generatorData.getPointCount = function () {
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return count - offset;
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};
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generatorData.getDomainValue = function (i, domain) {
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// delta uses the same numeric values as the default domain,
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// so it's not checked for here, just formatted for display
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// differently.
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return (i + offset) * 1000 + firstTime * 1000 -
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(domain === 'yesterday' ? ONE_DAY : 0);
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};
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generatorData.getRangeValue = function (i, range) {
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range = range || "sin";
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return Math[range]((i + offset) * Math.PI * 2 / period);
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};
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return generatorData;
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}
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return SinewaveTelemetrySeries;
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}
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);
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