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	<title> indexed face set and material </title>
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	<h1>indexed face set and material</h1>
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				<X3D id="shapedata" width="600px" height="600px" style="float:left">
					<Scene>
						<Shape>
							<!-- roof -->
							<Appearance>
								<Material diffuseColor="0.980, 0.502, 0.447"> </Material>
							</Appearance>
							<IndexedFaceSet solid="true" ccw="true" coordIndex="  7 4 8 -1 4 5 8 -1 5 6 8 -1 6 7 8 -1">
								<Coordinate DEF="pointset" point="-1 0 1, 1 0 1, 1 0 -1, -1 0 -1,
             	            -1 2 1, 1 2 1, 1 2 -1, -1 2 -1, 0 3 0 ">
								</Coordinate>
							</IndexedFaceSet>
						</Shape>
						<Shape>
							<!-- wall -->
							<Appearance>
								<Material diffuseColor="0.753, 0.753, 0.753"> </Material>
							</Appearance>
							<IndexedFaceSet solid="true" ccw="true" coordIndex=" 0 1 5 4 -1 1 2 6 5 -1 2 3 7 6 -1 3 0 4 7 -1">
								<Coordinate USE="pointset">
								</Coordinate>
							</IndexedFaceSet>
						</Shape>
						<Shape>
							<!-- ground -->
							<Appearance>
								<Material diffuseColor="0.180, 0.280, 0.230"> </Material>
							</Appearance>
							<IndexedFaceSet solid="true" ccw="true" coordIndex=" 0 3 2 1 -1 ">
								<Coordinate USE="pointset">
								</Coordinate>
							</IndexedFaceSet>
						</Shape>
					</Scene>
				</X3D>
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				One shape has only ony appearance. If different colors for the building elements roof, wall and ground surfaces
				shall be used,
				we need to have different shape for these elements. However, they can share the same point set. The following
				example uses different
				Material for roo, wall, and ground surfaces.
				<br>
				<pre class="prettyprint">
	&lt;X3D id="shapedata" width="600px" height="600px" style="float:left"&gt;
	  &lt;Scene&gt;
	    &lt;Shape&gt;
	      &lt;!-- roof --&gt;
   	      &lt;Appearance&gt;
     	        &lt;Material diffuseColor="0.980, 0.502, 0.447"&gt; &lt;/Material&gt;
   	      &lt;/Appearance&gt;
  	      &lt;IndexedFaceSet solid="true" ccw ="true" 
   	        coordIndex="  7 4 8 -1 4 5 8 -1 5 6 8 -1 6 7 8 -1"&gt;
   	        &lt;Coordinate DEF="pointset" point="-1 0 1, 1 0 1, 1 0 -1, -1 0 -1,
             	            -1 2 1, 1 2 1, 1 2 -1, -1 2 -1, 0 3 0 " &gt; 
   	        &lt;/Coordinate&gt;
	      &lt;/IndexedFaceSet&gt;
	    &lt;/Shape&gt;
	    &lt;Shape&gt;
	      &lt;!-- wall --&gt;
   	      &lt;Appearance&gt;
     	        &lt;Material diffuseColor="0.753, 0.753, 0.753"&gt; &lt;/Material&gt;
   	      &lt;/Appearance&gt;
  	      &lt;IndexedFaceSet solid="true" ccw ="true" 
   	        coordIndex=" 0 1 5 4 -1 1 2 6 5 -1 2 3 7 6 -1 3 0 4 7 -1"&gt;
   	        &lt;Coordinate USE="pointset" &gt; 
   	        &lt;/Coordinate&gt;
	      &lt;/IndexedFaceSet&gt;
	    &lt;/Shape&gt;
	    &lt;Shape&gt;
	      &lt;!-- ground --&gt;
   	      &lt;Appearance&gt;
     	        &lt;Material diffuseColor="0.180, 0.280, 0.230"&gt; &lt;/Material&gt;
   	      &lt;/Appearance&gt;
  	      &lt;IndexedFaceSet solid="true" ccw ="true" 
   	        coordIndex=" 0 3 2 1 -1 "&gt;
   	        &lt;Coordinate USE="pointset" &gt; 
   	        &lt;/Coordinate&gt;
	      &lt;/IndexedFaceSet&gt;
	    &lt;/Shape&gt;
	  &lt;/Scene&gt;
	&lt;/X3D&gt;
        </pre>
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