New osm.earth with various building options

Author: gwaldron

tests/osm.earth

@@ -14,10 +14,18 @@ osgEarth Sample - OpenStreetMap Features
 
     <xi:include href="osm_data.xml"/>    
 
-    <xi:include href="osm_buildings.xml" nvgl="true" open="false" name="FMG Buildings"/>
+    <xi:include href="osm_buildings.xml" nvgl="false" open="false" name="FMG Buildings (GL3)"/>
 
+    <xi:include href="osm_buildings.xml" nvgl="true" open="false" name="FMG Buildings (NVGL)"/>
 
-    <XYZModel name="Freshly Baked Buildings" open="false">
+    <XYZModel name="Freshly Baked Buildings (GL3)" open="false">
+        <url>https://pelican-public.s3.amazonaws.com/buildings_mak/{z}/{x}/{y}.osgb</url>
+        <min_level>14</min_level>
+        <max_level>14</max_level>
+        <profile>spherical-mercator</profile>
+    </XYZModel>
+    
+    <XYZModel name="Freshly Baked Buildings (NVGL)" open="false">
         <url>https://pelican-public.s3.amazonaws.com/buildings_mak/{z}/{x}/{y}.osgb</url>
         <min_level>14</min_level>
         <max_level>14</max_level>
@@ -29,4 +37,6 @@ osgEarth Sample - OpenStreetMap Features
     <options>
         <!-- <terrain lod_method="screen_space" tile_pixel_size="350"/> -->
     </options>
+    
+    
 </map>