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A bit more docs for fractionalZoom.

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@6423 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Tim Schaub
2008-02-29 21:13:42 +00:00
parent e54074e6f1
commit 7001ce1be6
1 changed files with 11 additions and 0 deletions
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11
lib/OpenLayers/Map.js
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@@ -94,6 +94,17 @@ OpenLayers.Map = OpenLayers.Class({
* {Boolean} For a base layer that supports it, allow the map resolution
* to be set to a value between one of the values in the resolutions
* array. Default is false.
*
* When fractionalZoom is set to true, it is possible to zoom to
* an arbitrary extent. This requires a base layer from a source
* that supports requests for arbitrary extents (i.e. not cached
* tiles on a regular lattice). This means that fractionalZoom
* will not work with commercial layers (Google, Yahoo, VE), layers
* using TileCache, or any other pre-cached data sources.
*
* If you are using fractionalZoom, then you should also use
* <getResolutionForZoom> instead of layer.resolutions[zoom] as the
* former works for non-integer zoom levels.
*/
fractionalZoom: false,