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More View2D configuration flexibility

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This commit is contained in:
Éric Lemoine
2013-04-14 22:12:12 +02:00
parent 778aec45d8
commit 48f0e7e2ec
1 changed files with 8 additions and 8 deletions
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16
src/ol/view2d.js
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@@ -391,20 +391,20 @@ ol.View2D.createResolutionConstraint_ = function(options) {
resolutionConstraint = ol.ResolutionConstraint.createSnapToResolutions(
resolutions);
} else {
var maxZoom, zoomFactor;
if (goog.isDef(options.maxResolution) &&
goog.isDef(options.maxZoom) &&
goog.isDef(options.zoomFactor)) {
maxResolution = options.maxResolution;
maxZoom = options.maxZoom;
zoomFactor = options.zoomFactor;
} else {
maxResolution = options.maxResolution;
if (!goog.isDef(maxResolution)) {
var projectionExtent = ol.projection.createProjection(
options.projection, 'EPSG:3857').getExtent();
maxResolution = Math.max(
projectionExtent.maxX - projectionExtent.minX,
projectionExtent.maxY - projectionExtent.minY) / ol.DEFAULT_TILE_SIZE;
}
var maxZoom = options.maxZoom;
if (!goog.isDef(maxZoom)) {
maxZoom = 28;
}
var zoomFactor = options.zoomFactor;
if (!goog.isDef(zoomFactor)) {
zoomFactor = 2;
}
minResolution = maxResolution / Math.pow(zoomFactor, maxZoom);