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allow 'auto' for minResolution if minExtent is set

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git-svn-id: http://svn.openlayers.org/branches/openlayers/2.0@1310 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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euzuro
2006-08-19 06:13:09 +00:00
parent f56dab0644
commit 29d6d8f017
1 changed files with 11 additions and 6 deletions
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17
lib/OpenLayers/Layer/HTTPRequest.js
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@@ -177,20 +177,25 @@ OpenLayers.Layer.HTTPRequest.prototype =
OpenLayers.Util.getResolutionFromScale(this.minScale,
this.units);
} else if (this.maxResolution == "auto") {
var maxExtent = this.getMaxExtent();
var viewSize = this.map.getSize();
var wRes = maxExtent.getWidth() / viewSize.w;
var hRes = maxExtent.getHeight()/ viewSize.h;
var wRes = this.maxExtent.getWidth() / viewSize.w;
var hRes = this.maxExtent.getHeight()/ viewSize.h;
this.maxResolution = Math.max(wRes, hRes);
}
// determine numZoomLevels
// determine minResolution
if (this.maxScale != null) {
this.minResolution =
OpenLayers.Util.getResolutionFromScale(this.maxScale);
}
} else if ((this.minResolution == "auto") &&
(this.minExtent != null)){
var viewSize = this.map.getSize();
var wRes = this.minExtent.getWidth() / viewSize.w;
var hRes = this.minExtent.getHeight()/ viewSize.h;
this.minResolution = Math.max(wRes, hRes);
}
// determine numZoomLevels
if (this.minResolution != null) {
var ratio = this.maxResolution / this.minResolution;
this.numZoomLevels =