<?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>
</head>
<!--
<!--
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 nodes:
Viewpoint_1,
Viewpoint_2,
Viewpoint_3
-->
<Scene>
<WorldInfo title='ExtrusionFigureX3dSpecification.x3d'/>
<Background groundColor='1 1 1' skyColor='1 1 1'/>
<Viewpoint description='X3D Specification Figure 13.5, Extrusion Spine-aligned Cross-section Plane (SCP)' orientation='1 0 0 -0.43' position='-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 -1.428899' position='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='false' radius='.05' top='false'/>
</Shape>
</Transform>
<Transform translation='0 2 0'>
</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_FONT' family='"SANS"' justify='"BEGIN" "END"' size='.4' style='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 1.57079' translation='-0.15 2.1 0.15'>
<Billboard axisOfRotation='0 0 0'>
</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 -1.57079' translation='0.15 2.1 -0.15'>
<Billboard axisOfRotation='0 0 0'>
</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_FONT2' family='"SANS"' justify='"MIDDLE" "MIDDLE"' size='0.4' style='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='false' height='5.0' radius='0.08' top='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'>
</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'>
</Billboard>
</Transform>
</Transform>
<Transform translation='-3 -4 0'>
<Shape USE='
DARK_GRAY_SPHERE'/>
<Transform translation='0 -0.7 0'>
<Billboard axisOfRotation='0 0 0'>
</Billboard>
</Transform>
</Transform>
</Group>
<!-- Draw tangent and label between spines -->
<Group>
<Transform translation='-3 0 0'>
<Shape>
<Cylinder height='8' radius='.02'/>
<Appearance USE='
DARK_GRAY'/>
</Shape>
</Transform>
<Transform rotation='0 0 1 3.14' translation='-3 -3.55 0'>
<Shape>
<Cone bottomRadius='.15' height='.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='false' justify='"MIDDLE" "END"' size='0.5' style='ITALIC'/>
</Text>
</Shape>
</Billboard>
</Transform>
<Transform rotation='0 0 1 1.57' translation='-1.5 0 0'>
<Shape>
<Cylinder height='3' radius='.015'/>
<Appearance>
<Material diffuseColor='.2 .2 .2' transparency='.5'/>
</Appearance>
</Shape>
</Transform>
<Transform translation='-2.7 0.15 0'>
<Shape>
<Cylinder height='.3' radius='.02'/>
<Appearance USE='
DARK_GRAY'/>
</Shape>
</Transform>
<Transform rotation='0 0 1 1.57' translation='-2.85 0.3 0'>
<Shape>
<Cylinder height='.3' radius='.02'/>
<Appearance USE='
DARK_GRAY'/>
</Shape>
</Transform>
</Group>
<!-- Draw SCP (spine-aligned cross-section plane) and label -->
<Group>
<Transform>
<Shape>
<IndexedFaceSet solid='false' coordIndex='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 0.71' transparency='.5'/>
</Appearance>
</Shape>
</Transform>
<Transform rotation='1 0 0 -1.57' translation='.5 0 -1'>
<Shape>
<Text string='"SCP"'>
<FontStyle family='"SANS"' size='0.4' style='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_FONT3' family='"SANS"' justify='"MIDDLE" "MIDDLE"' size='0.45' style='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 nodes:
Viewpoint_1,
Viewpoint_2,
Viewpoint_3
-->
-->
<!--
Online at
https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ExtrusionFigureX3dSpecificationIndex.html
-->
<!--
Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ExtrusionFigureX3dSpecification.x3d
-->
<!--
Color legend: X3D terminology
<X3dNode
DEF='idName' field='value'/>
matches XML terminology
<XmlElement
DEF='idName' attribute='value'/>
(Light-blue background: event-based behavior node or statement)
(Grey background inside box: inserted documentation)
(Magenta background: X3D Extensibility)
-->
<!--
For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints.
-->