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Support specifying grid resolution at the layer level

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This commit is contained in:
Matthew Perry
2012-02-07 12:20:29 -08:00
parent 4e84a7113d
commit 80656cdfd0
2 changed files with 9 additions and 2 deletions
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3
lib/OpenLayers/Control/UTFGrid.js
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@@ -105,7 +105,6 @@ OpenLayers.Control.UTFGrid = OpenLayers.Class(OpenLayers.Control, {
options = options || {}; options = options || {};
options.handlerOptions = options.handlerOptions || {}; options.handlerOptions = options.handlerOptions || {};
OpenLayers.Control.prototype.initialize.apply(this, [options]); OpenLayers.Control.prototype.initialize.apply(this, [options]);
console.log(this);
if (options.div) { if (options.div) {
this.element = OpenLayers.Util.getElement(options.div); this.element = OpenLayers.Util.getElement(options.div);
} }
@@ -135,7 +134,7 @@ OpenLayers.Control.UTFGrid = OpenLayers.Class(OpenLayers.Control, {
this.writeDebugInfo(info); this.writeDebugInfo(info);
var tile = info.tile; var tile = info.tile;
var attrs = null; var attrs = null;
var resolution = 4; //TODO autodetect? var resolution = layer.utfgridResolution || 4;
if (tile !== null && typeof(tile) !== 'undefined') { if (tile !== null && typeof(tile) !== 'undefined') {
var data = tile.json var data = tile.json
if (data !== null) { if (data !== null) {

8
lib/OpenLayers/Layer/UTFGrid.js
View File

@@ -136,6 +136,14 @@ OpenLayers.Layer.UTFGrid = OpenLayers.Class(OpenLayers.Layer.Grid, {
return OpenLayers.String.format(url, xyz); return OpenLayers.String.format(url, xyz);
}, },
/**
* APIProperty: utfgridResolution
* {Number} Number of pixels per grid "cell"
* Defaults to 4
*/
utfgridResolution: 4,
/** /**
* Method: getTileInfo * Method: getTileInfo
* Get tile information for a given location at the current map resolution. * Get tile information for a given location at the current map resolution.