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<!--
osgEarth Sample - Multiple heightfields

This example demonstrates how to load multiple heightfield layers and treat them as one.

Note: Gaps, peaks, and valleys in the visualization are due to missing data in the source
files. This is not a bug! A good technique for fixing this would be to provide a world-wide
lo-res heightfield underlay.
-->

<map type="geocentric" version="2">
      
    <image name="arcgisonline esri imagery" driver="arcgis">
        <url>http://server.arcgisonline.com/ArcGIS/rest/services/ESRI_Imagery_World_2D/MapServer</url>
    </image>

    <heightfield name = "mt_fuji" driver = "gdal">
      <url>/usr/share/osgearth/data/terrain/mt_fuji_90m.tif</url>
    </heightfield>

    <heightfield name = "mt_rainier" driver = "gdal">
      <url>/usr/share/osgearth/data/terrain/mt_rainier_90m.tif</url>
    </heightfield>

    <heightfield name = "mt_everest" driver = "gdal">
      <url>/usr/share/osgearth/data/terrain/mt_everest_90m.tif</url>
     </heightfield>

    <options>
        <lighting>false</lighting>
        <terrain>
            <vertical_scale>1.5</vertical_scale>
        </terrain>
    </options>
    
</map>