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trim height of export requests when necessary #484

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merged 2 commits into from
Mar 18, 2015
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trim height of export requests when necessary #484

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35d3e8d
trim height of export requests when necessary
jgravois Mar 17, 2015
8f25e91
implement nixtas suggestions
jgravois Mar 17, 2015
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8 changes: 8 additions & 0 deletions src/Layers/DynamicMapLayer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,14 @@ EsriLeaflet.Layers.DynamicMapLayer = EsriLeaflet.Layers.RasterLayer.extend({
var ne = this._map.options.crs.project(bounds._northEast);
var sw = this._map.options.crs.project(bounds._southWest);

//ensure that we don't ask ArcGIS Server for a taller image than we have actual map displaying
var top = this._map.latLngToLayerPoint(bounds._northEast);
var bottom = this._map.latLngToLayerPoint(bounds._southWest);

if (top.y > 0 || bottom.y < size.y){
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looking at this again, i guess we could even skip the check entirely.
if the map fills up the whole div, bottom.y - top.y still returns the height we want.

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Lets leave the check in there just for safety.

size.y = bottom.y - top.y;
}

var params = {
bbox: [sw.x, sw.y, ne.x, ne.y].join(','),
size: size.x + ',' + size.y,
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