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More work on KaMap layer. This TIGER demo looks good, but it's really broken underneath.

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@666 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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crschmidt
2006-06-22 10:47:43 +00:00
parent 98ed96e4ec
commit 8600f7d688
2 changed files with 33 additions and 3 deletions
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7
lib/OpenLayers/Layer/KaMap.js
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@@ -18,7 +18,8 @@ OpenLayers.Layer.KaMap.prototype =
// this.cellSize = newScale/(oMap.resolution * inchesPerUnit[oMap.units]);
// kaMap.prototype.geoToPix = function( gX, gY ) { var pX = gX / this.cellSize; var pY = -1 * gY / this.cellSize; }
initialize: function(name, url, params) {
initialize: function(name, url, params, origin) {
this.kaOrigin = origin;
var newArguments = new Array();
newArguments.push(name, url, params);
OpenLayers.Layer.Grid.prototype.initialize.apply(this, newArguments);
@@ -37,8 +38,8 @@ OpenLayers.Layer.KaMap.prototype =
// 1280000 is an empirical value for a specific tile server, not yet figured out the right way to do this in general.
// This will probably be based on map.maxResolution.
var cellSize = new OpenLayers.Size(resolution*this.tileSize.w, resolution*this.tileSize.h);
var pX = Math.floor(bounds.left / cellSize.w) * this.tileSize.w;
var pY = -Math.floor(bounds.top / cellSize.h) * this.tileSize.h;
var pX = Math.floor(((bounds.left + this.kaOrigin.lon) / cellSize.w) * this.tileSize.w);
var pY = -Math.floor(((bounds.top+this.kaOrigin.lat) / cellSize.h) * this.tileSize.h);
var url = this.getFullRequestString(
{ t: pY,
l: pX,