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Phi: correct wind arrows on Stuve chart

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Round wind speed to nearest 5kt
This commit is contained in:
Torsten Dreyer 2015-04-18 18:25:12 +02:00
parent 2bf8bed453
commit eb847230d5
1 changed files with 8 additions and 1 deletions
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9
Phi/topics/Environment/Weather2.js
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@ -2,6 +2,12 @@ define([
'knockout', 'jquery', 'text!./Weather2.html', 'props', 'flot', 'flotresize'
], function(ko, jquery, htmlString, SGPropertyNode) {
if(typeof Math.roundTo === "undefined") {
Math.roundTo = function(num, step) {
return Math.floor((num / step) + .5) * step;
}
}
function ViewModel(params, componentInfo) {
// componentInfo.element
@ -281,7 +287,8 @@ define([
function drawSeriesWindarrows(datapoints) {
var points = datapoints.points, ps = datapoints.pointsize;
for (var i = 0; i < points.length; i += ps) {
var ws = points[i], y = points[i+1], wd = points[i+2];
var ws = Math.roundTo( points[i],5 ),
y = points[i+1], wd = points[i+2];
var x = series.xaxis.p2c(40);
y = series.yaxis.p2c(y);