<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Immersive' version='3.3 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' https://www.web3d.org/specifications/x3d-3.3.xsd '>
<head>
<meta name='titlecontent='ExtrusionFigureX3dSpecification.x3d'/>
<meta name='descriptioncontent='X3D Extrusion spine-aligned cross-section plane (SCP) at a spine point. Modeled after Figure 13.5 in X3D Specification.'/>
<meta name='creatorcontent='Al Shaffer'/>
<meta name='createdcontent='4 February 2005'/>
<meta name='modifiedcontent='28 October 2019'/>
<meta name='Imagecontent='Extrusion.gif'/>
<meta name='specificationSectioncontent=' X3D encodings, ISO/IEC 19776-1.3, Part 1: XML encoding, Figure 13.5 - Spine-aligned cross-section plane at a spine point.'/>
<meta name='specificationUrlcontent=' https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/geometry3D.html#f-Spine-alignedcross-section '/>
<meta name='identifiercontent=' https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ExtrusionFigureX3dSpecification.x3d '/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../license.html'/>
</head>
<!-- -->
<Scene>
<WorldInfo title='ExtrusionFigureX3dSpecification.x3d'/>
<Background groundColor='1 1 1skyColor='1 1 1'/>
<Viewpoint description='X3D Specification Figure 13.5, Extrusion Spine-aligned Cross-section Plane (SCP)orientation='1 0 0 -0.43position='-0.5 5.5 12'/>
<Viewpoint description='Front view, Spine-aligned Cross-section Plane (SCP)position='0 0 14'/>
<Viewpoint description='Overhead view, Spine-aligned Cross-section Plane (SCP)orientation='1 0 0 -1.428899position='0 14 2'/>
<Transform>
<!-- Draw partial coordinate axis. Code derived from CoordinateAxes.x3d by Don Brutzman, 21 January 2002 -->
<Transform DEF='HALF_COORD_AXIS'>
<Group>
<!-- Vertical Y arrow and labels -->
<Group DEF='ARROW'>
<Transform translation='0 1 0'>
<Shape>
<Appearance DEF='ARROW_APPEARANCE'>
<Material diffuseColor='0 1 .7'/>
</Appearance>
<Cylinder bottom='falseradius='.05top='false'/>
</Shape>
</Transform>
<Transform translation='0 2 0'>
<Shape DEF='ARROW_POINTER'>
<Cone bottomRadius='.16height='.4'/>
<Appearance USE='ARROW_APPEARANCE'/>
</Shape>
</Transform>
</Group>
<Transform translation='0.15 2.1 0.15'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Appearance DEF='LABEL_APPEARANCE'>
<Material diffuseColor='0 0 0'/>
</Appearance>
<Text string='"+Y axis"'>
<FontStyle DEF='LABEL_FONTfamily='"SANS"justify='"BEGIN" "END"size='.4style='ITALIC'/>
</Text>
</Shape>
</Billboard>
</Transform>
</Group>
<Transform rotation='0 0 1 -1.57079'>
<!-- Horizontal X arrow and label -->
<Group>
<Group USE='ARROW'/>
<Transform rotation='0 0 1 1.57079translation='-0.15 2.1 0.15'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Appearance USE='LABEL_APPEARANCE'/>
<Text string='"+X axis"'>
<FontStyle USE='LABEL_FONT'/>
</Text>
</Shape>
</Billboard>
</Transform>
</Group>
</Transform>
<Transform rotation='1 0 0 1.57079'>
<!-- Perpendicular Z arrow and label -->
<Group>
<Group USE='ARROW'/>
<Transform rotation='1 0 0 -1.57079translation='0.15 2.1 -0.15'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Appearance USE='LABEL_APPEARANCE'/>
<Text string='"+Z axis"'>
<FontStyle USE='LABEL_FONT'/>
</Text>
</Shape>
</Billboard>
</Transform>
</Group>
</Transform>
</Transform>
<!-- Draw spine-aligned cross-section plane at a spine point -->
<Transform DEF='SPINE_CROSS_SECTION'>
<Group>
<!-- Draw sphere and label at center of coordinate axis -->
<Group>
<Transform>
<Shape DEF='DARK_GRAY_SPHERE'>
<Sphere radius='0.3'/>
<Appearance DEF='DARK_GRAY'>
<Material diffuseColor='0.15 0.15 0.15'/>
</Appearance>
</Shape>
</Transform>
<Transform translation='-1 0 0'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Appearance USE='LABEL_APPEARANCE'/>
<Text string='"spine[i]"'>
<FontStyle DEF='LABEL_FONT2family='"SANS"justify='"MIDDLE" "MIDDLE"size='0.4style='ITALIC'/>
</Text>
</Shape>
</Billboard>
</Transform>
</Group>
<!-- Draw spine rods -->
<Group>
<Transform rotation='0 0 1 0.64'>
<Transform translation='0 2.5 0'>
<Shape DEF='RED_ROD'>
<Cylinder bottom='falseheight='5.0radius='0.08top='false'/>
<Appearance>
<Material diffuseColor='0.82 0.13 0.56'/>
</Appearance>
</Shape>
</Transform>
</Transform>
<Transform rotation='0 0 1 -0.64'>
<Transform translation='0 -2.5 0'>
<Shape USE='RED_ROD'/>
</Transform>
</Transform>
</Group>
<!-- Draw two spheres and labels at ends of spines -->
<Group>
<Transform translation='-3 4 0'>
<Shape USE='DARK_GRAY_SPHERE'/>
<Transform translation='0 0.7 0'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Appearance USE='LABEL_APPEARANCE'/>
<Text string='"spine[i+1]"'>
<FontStyle USE='LABEL_FONT2'/>
</Text>
</Shape>
</Billboard>
</Transform>
</Transform>
<Transform translation='-3 -4 0'>
<Shape USE='DARK_GRAY_SPHERE'/>
<Transform translation='0 -0.7 0'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Appearance USE='LABEL_APPEARANCE'/>
<Text string='"spine[i-1]"'>
<FontStyle USE='LABEL_FONT2'/>
</Text>
</Shape>
</Billboard>
</Transform>
</Transform>
</Group>
<!-- Draw tangent and label between spines -->
<Group>
<Transform translation='-3 0 0'>
<Shape>
<Cylinder height='8radius='.02'/>
<Appearance USE='DARK_GRAY'/>
</Shape>
</Transform>
<Transform rotation='0 0 1 3.14translation='-3 -3.55 0'>
<Shape>
<Cone bottomRadius='.15height='.5'/>
<Appearance USE='DARK_GRAY'/>
</Shape>
</Transform>
<Transform translation='-3.2 0 0'>
<Billboard>
<Shape>
<Appearance USE='LABEL_APPEARANCE'/>
<Text string='"t a n g e n t"'>
<FontStyle family='"SANS"horizontal='falsejustify='"MIDDLE" "END"size='0.5style='ITALIC'/>
</Text>
</Shape>
</Billboard>
</Transform>
<Transform rotation='0 0 1 1.57translation='-1.5 0 0'>
<Shape>
<Cylinder height='3radius='.015'/>
<Appearance>
<Material diffuseColor='.2 .2 .2transparency='.5'/>
</Appearance>
</Shape>
</Transform>
<Transform translation='-2.7 0.15 0'>
<Shape>
<Cylinder height='.3radius='.02'/>
<Appearance USE='DARK_GRAY'/>
</Shape>
</Transform>
<Transform rotation='0 0 1 1.57translation='-2.85 0.3 0'>
<Shape>
<Cylinder height='.3radius='.02'/>
<Appearance USE='DARK_GRAY'/>
</Shape>
</Transform>
</Group>
<!-- Draw SCP (spine-aligned cross-section plane) and label -->
<Group>
<Transform>
<Shape>
<IndexedFaceSet solid='falsecoordIndex='0 1 2 3 4 -1'>
<Coordinate point='1.35 0 1.35 1.35 0 -1.35 -1.35 0 -1.35 -1.35 0 1.35 1.35 0 1.35'/>
</IndexedFaceSet>
<Appearance>
<Material diffuseColor='0.27 0.51 0.71transparency='.5'/>
</Appearance>
</Shape>
</Transform>
<Transform rotation='1 0 0 -1.57translation='.5 0 -1'>
<Shape>
<Text string='"SCP"'>
<FontStyle family='"SANS"size='0.4style='BOLDITALIC'/>
</Text>
<Appearance USE='LABEL_APPEARANCE'/>
</Shape>
</Transform>
</Group>
</Group>
</Transform>
<!-- Draw title of model -->
<Group>
<Transform translation='-0.2 -5.5 0'>
<Shape>
<Text string='"Spine-aligned Cross-section Plane (SCP) at Spine Point"'>
<FontStyle DEF='LABEL_FONT3family='"SANS"justify='"MIDDLE" "MIDDLE"size='0.45style='BOLD'/>
</Text>
<Appearance USE='LABEL_APPEARANCE'/>
</Shape>
</Transform>
</Group>
</Transform>
</Scene>
</X3D>
<!--

Index for DEF nodes : ARROW, ARROW_APPEARANCE, ARROW_POINTER, DARK_GRAY, DARK_GRAY_SPHERE, HALF_COORD_AXIS, LABEL_APPEARANCE, LABEL_FONT, LABEL_FONT2, LABEL_FONT3, RED_ROD, SPINE_CROSS_SECTION

Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3
-->

<!-- Color key: <X3dNode DEF='idName' field='value'/> matches <XmlElement DEF='idName' attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D Extensibility)
-->

<!-- Additional help information about X3D scenes: X3D Resources, X3D Scene Authoring Hints and X3D Tooltips -->