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small performance updates

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surrim 2022-05-19 01:33:23 +01:00 committed by onli
parent 88219cc40f
commit 5c76099088
1 changed files with 5 additions and 3 deletions
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8
serendipity_event_osm/ressources/osm.js
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@ -1,7 +1,7 @@
const dateToColor = date => {
const minDate = new Date(date.getFullYear(), date.getMonth() - 1, 0);
const maxDate = new Date(date.getFullYear(), date.getMonth(), 0);
return "hsl(" + ((date.getTime() - minDate.getTime()) / (maxDate.getTime() - minDate.getTime())) + "turn, 100%, 50%)"
return "hsl(" + ((date.getTime() - minDate.getTime()) / (maxDate.getTime() - minDate.getTime())).toFixed(3) + "turn, 100%, 50%)"
};
window.addEventListener("load", () => {
@ -56,14 +56,16 @@ window.addEventListener("load", () => {
.map(feature => ol.sphere.getLength(feature.getGeometry()))
.reduce((a, b) => a + b, 0);
});
const color = dateToColor(new Date(upload.date * 1000));
const lineDash = upload.date * 1000 > Date.now() ? [3, 6] : undefined;
const layer = new ol.layer.VectorImage({
source: source,
style: feature => feature.getGeometry().getType() === "MultiLineString"
? new ol.style.Style({
stroke: new ol.style.Stroke({
color: dateToColor(new Date(upload.date * 1000)),
color: color,
width: 3,
lineDash: upload.date * 1000 > Date.now() ? [3, 6] : undefined
lineDash: lineDash
})
})
: undefined