ViewFrustumExample.x3d (X3dToXhtml listing)

<?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='title' content='ViewFrustumExample.x3d'/>
<meta name='description' content='Display view frustum associated with a given pair of Viewpoint and NavigationInfo nodes, illustrating ProtoInstance reuse of a separately declared prototype.'/>
<meta name='creator' content='Don Brutzman'/>
<meta name='translated' content='16 August 2008'/>
<meta name='modified' content='20 October 2019'/>
<meta name='reference' content='ViewFrustumPrototype.x3d'/>
<meta name='drawing' content='ViewFrustumComputation.png'/>
<meta name='Image' content='ViewFrustumOverheadView.png'/>
<meta name='Image' content='ViewFrustumObliqueView.png'/>
<meta name='Image' content='ViewpointCalculator.png'/>
<meta name='Image' content='ViewpointCalculatorComposed.png'/>
<meta name='subject' content='view culling frustum'/>
<meta name='identifier' content=' https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/ViewFrustumExample.x3d '/>
<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content=' ../license.html'/>

</head>
<!--

Index for ExternProtoDeclare definition : ViewFrustum

Index for DEF nodes : CoordinateAxes, GridXZ

Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3, Viewpoint_4, Viewpoint_5

-->
<Scene>

<WorldInfo title='ViewFrustumExample.x3d'/>
<Viewpoint description='ViewFrustum from above, looking down' orientation='1 0 0 -1.57' position='0 40 0'/>
<Viewpoint description='ViewFrustum from point of view'/>
<Viewpoint description='ViewFrustum behind point of view' position='0 0 15'/>
<Viewpoint description='ViewFrustum oblique side view' orientation='0.8005 0.5926 0.0898 -0.3743' position='-5 5 20'/>
<NavigationInfo type='"EXAMINE" "FLY" "ANY"'/>
<ExternProtoDeclare name='ViewFrustum' appinfo='Display view frustum associated with a given pair of Viewpoint NavigationInfo nodes'
url=' "ViewFrustumPrototype.x3d#ViewFrustum" "https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/ViewFrustumPrototype.x3d#ViewFrustum" "ViewFrustumPrototype.wrl#ViewFrustum" "https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter14Prototypes/ViewFrustumPrototype.wrl#ViewFrustum" '>

<field name='ViewpointNode' type='SFNode' accessType='initializeOnly'
appinfo='required: insert Viewpoint DEF or USE node for view of interest'/>
<field name='NavigationInfoNode' type='SFNode' accessType='initializeOnly'
appinfo='required: insert NavigationInfo DEF or USE node of interest'/>
<field name='visible' type='SFBool' accessType='inputOutput'
appinfo='whether or not frustum geometry is rendered'/>
<field name='lineColor' type='SFColor' accessType='inputOutput'
appinfo='RGB color of ViewFrustum outline, default value 0.9 0.9 0.9'/>
<field name='frustumColor' type='SFColor' accessType='inputOutput'
appinfo='RGB color of ViewFrustum hull geometry, default value 0.8 0.8 0.8'/>
<field name='transparency' type='SFFloat' accessType='inputOutput'
appinfo='transparency of ViewFrustum hull geometry, default value 0.5'/>
<field name='aspectRatio' type='SFFloat' accessType='inputOutput'
appinfo='assumed ratio height/width, default value 0.75'/>
<field name='trace' type='SFBool' accessType='initializeOnly'
appinfo='debug support, default false'/>

</ExternProtoDeclare>

<ProtoInstance name='ViewFrustum'>

<fieldValue name='ViewpointNode'>

<Viewpoint description='ViewFrustum ViewpointNode'/>

</fieldValue>
<fieldValue name='NavigationInfoNode'>

<NavigationInfo visibilityLimit='15'/>

</fieldValue>
<fieldValue name='visible' value='true'/>
<fieldValue name='lineColor' value='0.9 0.9 0.9'/>
<fieldValue name='frustumColor' value='0.8 0.8 0.8'/>
<fieldValue name='transparency' value='0.75'/>
<fieldValue name='trace' value='true'/>

</ProtoInstance>

<Inline DEF='GridXZ'
url=' "../../Savage/Tools/Authoring/GridXZ_20x20Fixed.x3d" "https://savage.nps.edu/Savage/Tools/Authoring/GridXZ_20x20Fixed.x3d" '/>
<Transform scale='5 5 5'>

<Inline DEF='CoordinateAxes'
url=' "../Chapter03Grouping/CoordinateAxes.x3d" "https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" '/>

</Transform>

</Scene>

</X3D>
<!--

Index for ExternProtoDeclare definition : ViewFrustum

Index for DEF nodes : CoordinateAxes, GridXZ

Index for Viewpoint images : Viewpoint_1, Viewpoint_2, Viewpoint_3, Viewpoint_4, Viewpoint_5

-->