Changes between Version 8 and Version 9 of MapGuideCommercialOverlays

Timestamp:

Jul 15, 2009, 1:34:30 PM (15 years ago)

Author:

zjames

Comment:

Added information on InitialView and overlay transparency

MapGuideCommercialOverlays

@@ -141 +141 @@
 }}}
 
- * Add a second <Map> tag to your map group after the google <Map>. Take care that it remains within the <!MapGroup> tags.
-
+ * Add a second <Map> tag to your map group after the google <Map>. Take care that it remains within the <!MapGroup> tags. The useOverlay tag makes the layer's background transparent so the base layer can be seen.
 {{{
     <Map>
@@ -150 +149 @@
               <Options>
                    <isBaseLayer>false</isBaseLayer>
+                   <useOverlay>true</useOverlay>
               </Options>
               <ResourceId>Library://Samples/Sheboygan/Maps/Sheboygan-m.MapDefinition</ResourceId>
@@ -157 +157 @@
 }}}
 
-'' Note that the Google layer must be the base layer so any overlays must have the isBaseLayer: false option set. ''
+'' Note that the commercial layer must be the base layer so any overlays must have the isBaseLayer: false option set. You can also
+pass other [http://openlayers.org/ OpenLayers] layer options in the Options tag. For example, <opacity>0.8</opacity> creates a semi-transparent appearance.''
 
  * Load the template in a browser: http://localhost:8008/mapguide/fusion/templates/mapguide/standard/
@@ -186 +187 @@
 for Yahoo.
 
+ * By default, the map will load with global extent (showing the entire world) because the commercial layer is the base layer. To specify a desired initial view, add an additional xml block to the [http://trac.osgeo.org/fusion/wiki/ApplicationDefinition/MapSet/MapGroup MapGroup] alongside the individual Map tags:
+
+{{{
+      <InitialView>
+          <MinX>-9774168</MinX>
+          <MinY>5415995</MinY>
+          <MaxX>-9754637</MaxX>
+          <MaxY>5434757</MaxY>
+      </InitialView>
+
+}}}
+ 
 ''Support for these layer types is a new addition to Fusion 2.0 so you may encounter compatibility issues. Please help the project by reporting them to the fusion-dev mailing list or filing a bug in the fusion trac instance.''