<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile='Interchange'
version='3.0'
xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance'
xsd:noNamespaceSchemaLocation
='
https://www.web3d.org/specifications/x3d-3.0.xsd
'
>
<head>
</head>
<!--
<!--
Index for DEF nodes:
Column,
ColumnA,
ColumnB,
ColumnC,
ColumnD,
GreyAppearance,
Road,
WhiteAppearance,
WhiteLine
Index for Viewpoint nodes:
Viewpoint_1,
Viewpoint_2,
Viewpoint_3
-->
<Scene>
<WorldInfo title='BeckyRoadOverpass.x3d'/>
<Viewpoint description='Front view, 4 inches above ground' position='0 4 20'/>
<Viewpoint description='Side view, 6 inches above ground' orientation='0 1 0 1.57' position='25 6 0'/>
<Viewpoint description='Top-down view, 20 inches above' orientation='1 0 0 -1.57' position='0 28 0'/>
<Background groundAngle='1.309 1.570796' groundColor='0.1 0.1 0 0.4 0.25 0.2 0.6 0.6 0.6' skyAngle='1.309 1.571' skyColor='0 0.2 0.7 0 0.5 1 1 1 1'/>
<!-- Upper road surface is elevated y=8 inches in the air -->
<Transform translation='0 8 0'>
<Group DEF='Road'>
<Shape>
<!-- Road model is x=20 inches long by z=7 inches wide, with posterboard y=0.25 inches thick -->
<Box size='20 0.2 7'/>
<!-- Road surface color is grey -->
<Appearance DEF='GreyAppearance'>
<Material diffuseColor='0.4 0.4 0.4'/>
</Appearance>
</Shape>
<Transform translation='0 0.2 0.3'>
<Shape DEF='WhiteLine'>
<Box size='20 0.01 0.4'/>
<Appearance DEF='WhiteAppearance'>
<Material diffuseColor='1 1 1' emissiveColor='0.5 0.5 0.5'/>
</Appearance>
</Shape>
</Transform>
<Transform translation='0 0.2 -0.3'>
</Transform>
</Group>
</Transform>
<!-- Lower road is on the ground at y=0 inches, rotated 90 degrees around y axis -->
<Transform rotation='0 1 0 1.57' translation='0 0.1 0'>
</Transform>
<!-- Vertical center of y=8 inch tall pillar is y=4 inches in the air -->
<!-- Center of each column matches top-down diagram -->
<Transform DEF='ColumnA' translation='-6 4 -2'>
</Transform>
<Transform DEF='ColumnB' translation='6 4 -2'>
</Transform>
<Transform DEF='ColumnC' translation='-6 4 2'>
</Transform>
<Transform DEF='ColumnD' translation='6 4 2'>
</Transform>
</Scene>
</X3D>
<!--
<!--
Index for DEF nodes:
Column,
ColumnA,
ColumnB,
ColumnC,
ColumnD,
GreyAppearance,
Road,
WhiteAppearance,
WhiteLine
Index for Viewpoint nodes:
Viewpoint_1,
Viewpoint_2,
Viewpoint_3
-->
-->
<!--
Online at
https://www.web3d.org/x3d/content/examples/Basic/course/BeckyRoadOverpassIndex.html
-->
<!--
Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Basic/course/BeckyRoadOverpass.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.
-->