[Mapbender-commits] r2425 - branches/darndt_dev/http/javascripts

[svn_mapbender at osgeo.org]

Author: darndt
Date: 2008-05-06 08:58:00 -0400 (Tue, 06 May 2008)
New Revision: 2425

Modified:
   branches/darndt_dev/http/javascripts/map.js
Log:


Modified: branches/darndt_dev/http/javascripts/map.js
===================================================================
--- branches/darndt_dev/http/javascripts/map.js	2008-05-01 11:20:15 UTC (rev 2424)
+++ branches/darndt_dev/http/javascripts/map.js	2008-05-06 12:58:00 UTC (rev 2425)
@@ -633,33 +633,67 @@
 	wms = another_new_wmsarray; 
 }
 function setExtent(width,height,epsg){
-   for(var i=0; i < wms[0].gui_epsg.length; i++){
-      if(wms[0].gui_epsg[i] == epsg){      
-         var bbox_minx = parseFloat(wms[0].gui_minx[i]);
-         var bbox_miny = parseFloat(wms[0].gui_miny[i]);
-         var bbox_maxx = parseFloat(wms[0].gui_maxx[i]);
-         var bbox_maxy = parseFloat(wms[0].gui_maxy[i]);     
-   
-         var extenty = bbox_maxy - bbox_miny;
-         var extentx = bbox_maxx - bbox_minx;
-
-         var relation_px_x = width / height;
-         var relation_px_y = height / width;
-         var relation_bbox_x = extentx / extenty;         
-         var centerx = bbox_minx + (extentx/2);
-         var centery = bbox_miny + (extenty/2);
-         if(relation_bbox_x <= relation_px_x){                
-                bbox_minx = centerx - relation_px_x * extenty / 2;
-                bbox_maxx = centerx + relation_px_x * extenty / 2;
-         }
-        
-         if(relation_bbox_x > relation_px_x){                
-                bbox_miny = centery - relation_px_y * extentx / 2;
-                bbox_maxy = centery + relation_px_y * extentx / 2;
-         }
-        return bbox_minx  +","+ bbox_miny +","+ bbox_maxx  +","+ bbox_maxy;
-     }
-   }
+	for(var i=0;i<wms[0].gui_epsg.length;i++){
+		if(wms[0].gui_epsg[i]==epsg){
+			var bbox_minx=parseFloat(wms[0].gui_minx[i]);
+			var bbox_miny=parseFloat(wms[0].gui_miny[i]);
+			var bbox_maxx=parseFloat(wms[0].gui_maxx[i]);
+			var bbox_maxy=parseFloat(wms[0].gui_maxy[i]);
+			var extenty=bbox_maxy-bbox_miny;
+			var extentx=bbox_maxx-bbox_minx;
+			var relation_px_x=width/height;
+			var relation_px_y=height/width;
+			var relation_bbox_x=extentx/extenty;
+			var centerx=bbox_minx+(extentx/2);
+			var centery=bbox_miny+(extenty/2);
+			if(relation_bbox_x<=relation_px_x){
+			bbox_minx=centerx-relation_px_x*extenty/2;
+			bbox_maxx=centerx+relation_px_x*extenty/2;
+		}
+		if(relation_bbox_x>relation_px_x){
+			bbox_miny=centery-relation_px_y*extentx/2;
+			bbox_maxy=centery+relation_px_y*extentx/2;
+		}
+		return bbox_minx+","+bbox_miny+","+bbox_maxx+","+bbox_maxy;	
+		}
+		if(wms[0].gui_epsg[i]!=epsg && wms[0].gui_epsg[i]!= "EPSG:4326"){
+			epsg_gui = wms[0].gui_epsg[i].substring(5, wms[0].gui_epsg[i].length);
+			epsg_neu = epsg.substring(5, epsg.length);
+			if (window.XMLHttpRequest) {
+				http = new XMLHttpRequest();
+			} else if (window.ActiveXObject) {
+				http = new ActiveXObject("Microsoft.XMLHTTP");
+			}
+			if (http != null) {
+				http.open("POST", "../php/mod_zoomfull_projection.php", false);
+				http.setRequestHeader(
+				"Content-Type",
+				"application/x-www-form-urlencoded");
+				http.send("epsg=" + epsg_neu + "&epsg_gui=" + epsg_gui + "&minx="  + wms[0].gui_minx[i] + "&miny=" + wms[0].gui_miny[i] + "&maxx="  + wms[0].gui_maxx[i] + "&maxy=" + wms[0].gui_maxy[i]);
+				text = eval("(" + http.responseText + ")");
+				bbox_minx = parseFloat(text.minx);
+				bbox_miny = parseFloat(text.miny);
+				bbox_maxx = parseFloat(text.maxx);
+				bbox_maxy = parseFloat(text.maxy);
+				var extenty=bbox_maxy-bbox_miny;
+				var extentx=bbox_maxx-bbox_minx;
+				var relation_px_x=width/height;
+				var relation_px_y=height/width;
+				var relation_bbox_x=extentx/extenty;
+				var centerx=bbox_minx+(extentx/2);
+				var centery=bbox_miny+(extenty/2);
+				if(relation_bbox_x<=relation_px_x){
+					bbox_minx=centerx-relation_px_x*extenty/2;
+					bbox_maxx=centerx+relation_px_x*extenty/2;
+				}
+				if(relation_bbox_x>relation_px_x){
+					bbox_miny=centery-relation_px_y*extentx/2;
+					bbox_maxy=centery+relation_px_y*extentx/2;
+				}
+				return bbox_minx+","+bbox_miny+","+bbox_maxx+","+bbox_maxy;	
+			}
+		}
+	}
 }
 function setMapRequest(frameName){
 	var functionName = 'setMapRequest';