X3D Model Documentation: Figure15_13ExtrudedPyramid.x3d

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  2 
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
  3  <X3D profile='Immersive' version='3.0'  xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'>
  4       <head>
  5            <meta name='title' content='Figure15_13ExtrudedPyramid.x3d'/>
  6            <meta name='creator' content='Figure 15.13, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
  7            <meta name='reference' content='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch15/15fig13.htm'/>
  8            <meta name='translator' content='Don Brutzman'/>
  9            <meta name='created' content='20 August 2000'/>
 10            <meta name='modified' content='20 October 2019'/>
 11            <meta name='description' content='A pyramid built by scaling a square cross section to 0.01 at the pyramid apex.'/>
 12            <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter15Extrusion/Figure15_13ExtrudedPyramid.x3d'/>
 13            <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
 14            <meta name='license' content='../../license.html'/>
 15       </head>
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 16       <Scene>
 17            <!-- Computational cost of Extrusion compared to IndexedFaceSet: quicker to download, takes time to calculate polygonal faces and normals during initial loading, equally fast at run time. -->
 18            <!-- Authoring capabilities of Extrusion compared to IndexedFaceSet: can be more complicated to express, but also can provide great detail with much less effort. -->
 19            <!-- First position and rotate viewpoint into positive-X-Y-Z octant -->
 20            <WorldInfo title='Figure15_13ExtrudedPyramid.x3d'/>
 21            <Viewpoint description='Extruded pyramid' orientation='-0.37796 0.91249 0.15656 0.85225' position='4 2 4'/>
 22            <Shape>
 23                 <Appearance>
 24                      <Material diffuseColor='1 0.5 0'/>
 25                 </Appearance>
 26                 <Extrusion crossSection='-1 1 1 1 1 -1 -1 -1 -1 1' scale='1 1 0.01 0.01'/>
 27                 <!-- default Extrusion spine='0 0 0, 0 1 0' -->
 28            </Shape>
 29       </Scene>
 30  </X3D>
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