ElevationGridNonPlanarQuadrilaterals.x3d (X3dToXhtml listing)

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<head>

<meta name='title' content='ElevationGridNonPlanarQuadrilaterals.x3d'/>
<meta name='description' content='Show how a single nonplanar quadrilateral can be tesselated in 2 different ways.'/>
<meta name='creator' content='Don Brutzman'/>
<meta name='contributor' content='U.S. Naval Postgraduate School (NPS)'/>
<meta name='created' content='28 August 2005'/>
<meta name='modified' content='20 October 2019'/>
<meta name='identifier' content=' https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/ElevationGridNonPlanarQuadrilaterals.x3d '/>
<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content=' ../license.html'/>

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<WorldInfo title='ElevationGridNonPlanarQuadrilaterals.x3d'/>
<NavigationInfo DEF='ExamineMode'/>

<NavigationInfo DEF='FlyPanNavigation' type='"FLY" "ANY"'/>
<Background skyColor='1 1 1'/>
<Viewpoint description='Book View' orientation='0 1 0 0.01' position='0.13 0.2 7.71'/>

<Viewpoint DEF='DefaultView' description='ElevationGrid tessellation examples' position='0 0.2 10'/>
<ROUTE fromNode='DefaultView' fromField='isBound' toNode='FlyPanNavigation' toField='set_bind'/>
<Transform translation='0 -0.75 0'>

<Transform DEF='FigureElevationGridBack' translation='-4 0 0'>

<Viewpoint description='Default brower ElevationGrid tessellation, front view' position='1.5 0.4 4'/>
<Transform center='1 0 1' rotation='0 1 0 3.2'>

<Group DEF='DefaultElevationGrid'>

<Shape DEF='ExampleElevationGridShape'>

<ElevationGrid solid='false' height='0 0.5 0 0'/>
<Appearance DEF='DiffuseRedAppearance'>

<Material diffuseColor='0.9 0.1 0.1' transparency='0.1'/>

</Appearance>

</Shape>
<Transform DEF='FigureLabelBrowserElevationGrid' translation='0.5 1 0.5'>

<Billboard>

<Shape>

<Text string='"Browser" "ElevationGrid"'>

<FontStyle DEF='CenterFS' justify='"MIDDLE" "MIDDLE"' size='0.25'/>

</Text>
<Appearance DEF='LabelAppearance'>

<Material diffuseColor='0.2 0.1 0.8'/>

</Appearance>

</Shape>

</Billboard>

</Transform>
<Group DEF='CommonFigureElements'>

<Shape DEF='QuadOutlineShape'>

<IndexedLineSet colorPerVertex='false' colorIndex='0 0 0 0' coordIndex='0 1 3 2 0 -1'>

<Coordinate DEF='QuadrilateralPoints' point='0 0 0 1 0.5 0 0 0 1 1 0 1 1 0 0'/>
<Color DEF='White' color='1 1 1'/>

</IndexedLineSet>

</Shape>
<Shape DEF='FloorShape'>

<ElevationGrid solid='false'/>
<Appearance DEF='TransparentGreyAppearance'>

<Material diffuseColor='0 0 0' transparency='0.8'/>

</Appearance>

</Shape>
<Transform DEF='PointLabels' translation='0 -0.2 0'>

<Billboard>

<Shape>

<Text string='"h0"'>

<FontStyle USE='CenterFS'/>

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<Appearance USE='LabelAppearance'/>

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</Billboard>
<Transform translation='1 0 0'>

<Billboard>

<Shape>

<Text string='"h1"'>

<FontStyle USE='CenterFS'/>

</Text>
<Appearance USE='LabelAppearance'/>

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<Transform translation='0 0 1'>

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<Shape>

<Text string='"h2"'>

<FontStyle USE='CenterFS'/>

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<Appearance USE='LabelAppearance'/>

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<Transform translation='1 0 1'>

<Billboard>

<Shape>

<Text string='"h3"'>

<FontStyle USE='CenterFS'/>

</Text>
<Appearance USE='LabelAppearance'/>

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<Shape DEF='QuadVerticalLineShape'>

<IndexedLineSet colorPerVertex='false' colorIndex='0 0 0 0' coordIndex='1 4 -1'>

<Coordinate USE='QuadrilateralPoints'/>
<Color USE='White'/>

</IndexedLineSet>

</Shape>

</Group>
<Shape DEF='QuadCrossDiagonalLineShape'>

<IndexedLineSet colorPerVertex='false' colorIndex='0 0 0 0' coordIndex='2 1 -1'>

<Coordinate USE='QuadrilateralPoints'/>
<Color USE='White'/>

</IndexedLineSet>

</Shape>
<Shape DEF='QuadCenterDiagonalLineShape'>

<IndexedLineSet colorPerVertex='false' colorIndex='0 0 0 0' coordIndex='0 3 -1'>

<Coordinate USE='QuadrilateralPoints'/>
<Color USE='White'/>

</IndexedLineSet>

</Shape>

</Group>

</Transform>

</Transform>
<Transform DEF='FigureElevationGridFront' translation='-1 0 0'>

<Viewpoint description='Default brower ElevationGrid tessellation, back view' position='0.5 0.4 4'/>
<Transform center='1 0 1' rotation='0 1 0 0.8'>

<Group USE='DefaultElevationGrid'/>

</Transform>

</Transform>
<Transform DEF='FigureIfsCenterDiagonal' translation='1 0 0'>

<Viewpoint description='Center-diagonal tessellation' position='0.5 0.4 4'/>
<Transform center='1 0 1' rotation='0 1 0 0.4'>

<Shape>

<IndexedFaceSet coordIndex='0 3 1 -1 0 2 3 -1'>

<Coordinate USE='QuadrilateralPoints'/>

</IndexedFaceSet>
<Appearance USE='DiffuseRedAppearance'/>

</Shape>
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<Text string='"Center Diagonal" "Tessellation"'>

<FontStyle USE='CenterFS'/>

</Text>
<Appearance USE='LabelAppearance'/>

</Shape>

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<Group USE='CommonFigureElements'/>
<Shape USE='QuadCenterDiagonalLineShape'/>

</Transform>

</Transform>
<Transform DEF='FigureIfsCrossDiagonal' translation='3 0 0'>

<Viewpoint description='Cross-diagonal tessellation' position='0.5 0.4 4'/>
<Transform center='1 0 1'>

<Shape>

<IndexedFaceSet coordIndex='0 2 1 -1 2 3 1 -1'>

<Coordinate USE='QuadrilateralPoints'/>

</IndexedFaceSet>
<Appearance USE='DiffuseRedAppearance'/>

</Shape>
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<Text string='"Cross Diagonal" "Tessellation"'>

<FontStyle USE='CenterFS'/>

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<Appearance USE='LabelAppearance'/>

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<Group USE='CommonFigureElements'/>
<Shape USE='QuadCrossDiagonalLineShape'/>

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