105 lines
4.1 KiB
JavaScript
105 lines
4.1 KiB
JavaScript
/*****************************************************************************
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* Open MCT, Copyright (c) 2014-2017, 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 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 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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define(
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["../SubPlot", "../elements/PlotPalette", "../elements/PlotPanZoomStackGroup"],
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function (SubPlot, PlotPalette, PlotPanZoomStackGroup) {
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/**
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* Handles plotting in Stacked mode. In stacked mode, there
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* is one sub-plot for each plotted object.
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* @memberof platform/features/plot
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* @constructor
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* @implements {platform/features/plot.PlotModeHandler}
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* @param {DomainObject[]} the domain objects to be plotted
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*/
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function PlotStackMode(telemetryObjects, subPlotFactory) {
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var self = this;
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this.panZoomStackGroup =
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new PlotPanZoomStackGroup(telemetryObjects.length);
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this.subplots = telemetryObjects.map(function (telemetryObject, i) {
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return subPlotFactory.createSubPlot(
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[telemetryObject],
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self.panZoomStackGroup.getPanZoomStack(i)
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);
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});
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}
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PlotStackMode.prototype.plotTelemetryTo = function (subplot, prepared, index) {
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var buffer = prepared.getLineBuffers()[index];
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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. Always use the 0th color, because there
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// is one line per plot.
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subplot.getDrawingObject().lines = [{
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buffer: buffer.getBuffer(),
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color: PlotPalette.getFloatColor(0),
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points: buffer.getLength()
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}];
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};
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PlotStackMode.prototype.plotTelemetry = function (prepared) {
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var self = this;
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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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this.panZoomStackGroup.setBasePanZoom(
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prepared.getOrigin(),
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prepared.getDimensions()
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);
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this.subplots.forEach(function (subplot, index) {
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self.plotTelemetryTo(subplot, prepared, index);
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});
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};
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PlotStackMode.prototype.getSubPlots = function () {
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return this.subplots;
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};
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PlotStackMode.prototype.isZoomed = function () {
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return this.panZoomStackGroup.getDepth() > 1;
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};
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PlotStackMode.prototype.stepBackPanZoom = function () {
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this.panZoomStackGroup.popPanZoom();
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this.subplots.forEach(function (subplot) {
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subplot.update();
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});
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};
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PlotStackMode.prototype.unzoom = function () {
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this.panZoomStackGroup.clearPanZoom();
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this.subplots.forEach(function (subplot) {
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subplot.update();
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});
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};
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return PlotStackMode;
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}
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);
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