<?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>
<meta name='titlecontent=' BeckyRoadOverpass.x3d '/>
<meta name='creatorcontent='Becky and Don Brutzman'/>
<meta name='createdcontent='10 September 2000'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='descriptioncontent='Sixth grade project to build a highway overpass.'/>
<meta name='Imagecontent='BeckyRoadOverpass.png' />
<meta name='identifiercontent=' https://www.web3d.org/x3d/content/examples/Basic/course/BeckyRoadOverpass.x3d '/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../license.html'/>
</head>
<!--

to top <!-- 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 groundposition='0 4 20'/>
<Viewpoint description='Side view, 6 inches above groundorientation='0 1 0 1.57position='25 6 0'/>
<Viewpoint description='Top-down view, 20 inches aboveorientation='1 0 0 -1.57position='0 28 0'/>
<Background groundAngle='1.309 1.570796groundColor='0.1 0.1 0 0.4 0.25 0.2 0.6 0.6 0.6skyAngle='1.309 1.571skyColor='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 1emissiveColor='0.5 0.5 0.5'/>
</Appearance>
</Shape>
</Transform>
<Transform translation='0 0.2 -0.3'>
<Shape USE=' WhiteLine'/>
</Transform>
</Group>
</Transform>
<!-- Lower road is on the ground at y=0 inches, rotated 90 degrees around y axis -->
<Transform rotation='0 1 0 1.57translation='0 0.1 0'>
<Group USE=' Road'/>
</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='ColumnAtranslation='-6 4 -2'>
<Shape DEF='Column'>
<Cylinder height='8'/>
<Appearance USE=' GreyAppearance'/>
</Shape>
</Transform>
<Transform DEF='ColumnBtranslation='6 4 -2'>
<Shape USE=' Column'/>
</Transform>
<Transform DEF='ColumnCtranslation='-6 4 2'>
<Shape USE=' Column'/>
</Transform>
<Transform DEF='ColumnDtranslation='6 4 2'>
<Shape USE=' Column'/>
</Transform>
</Scene>
</X3D>
<!--

to top <!-- 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)
-->

to top <!-- For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints. -->