ExternalVendorCode/openmct
1
0
Fork 0
mirror of https://github.com/nasa/openmct.git synced 2025-03-18 10:05:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added phase shift to telemetry

Browse Source
This commit is contained in:
Henry 2016-04-25 09:56:32 -07:00
parent 9408a6d491
commit 275a80c4ee
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
demo/src/telemetry/DemoTelemetryProvider.js
View File

@ -51,12 +51,23 @@ define(
var offsets = {};
function wrapSeries(telemetrySeries, offset) {
var phaseOffset = Math.floor(Math.random(1000));
function phaseShift(index, length) {
return (phaseOffset + index) % length;
}
return {
getDomainValue: function (index, domain) {
return telemetrySeries.getDomainValue(index, domain);
},
getRangeValue: function (index, range) {
return Math.random(1)/50 + telemetrySeries.getRangeValue(index, range) + offset;
// Sine wave 'carrier' signal, with random phase shift
return telemetrySeries.getRangeValue(phaseShift(index,telemetrySeries.getPointCount()) , range)
// Introduce some random variability so that line is
// not straight or perfectly curved
+ Math.random(1)/50
//Add a random range offset so that lines
// are not all bunched together
+ offset;
},
getPointCount: function () {
return telemetrySeries.getPointCount();