Figure19_27SquareFaceAnimatingNormals.x3d (X3dToXhtml listing)

X3D Model Documentation: Figure19_27SquareFaceAnimatingNormals.x3d

1	`<?xml version="1.0" encoding="UTF-8"?>`
2	`<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">`
3	<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'>
4	<head>
5	<meta name='title' content='Figure19_27SquareFaceAnimatingNormals.x3d'/>
6	<meta name='creator' content='Figure 19.27, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
7	<meta name='reference' content='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch19/19fig27.htm'/>
8	<meta name='translator' content='Don Brutzman'/>
9	<meta name='created' content='7 September 2000'/>
10	<meta name='modified' content='20 October 2019'/>
11	<meta name='description' content='An elevation grid using a special shading effect.'/>
12	<meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter19NormalsShading/Figure19_27SquareFaceAnimatingNormals.x3d'/>
13	<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
14	<meta name='license' content='../../license.html'/>
15	</head>

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Event Graph ROUTE Table shows event connections.

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Index for DEF nodes: AnimatedNormals, Clock, NormalPath

Index for Viewpoint nodes: Viewpoint_1, Viewpoint_2

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16	<Scene>
17	<WorldInfo title='Figure19_27SquareFaceAnimatingNormals.x3d'/>
18	<Viewpoint description='Animating normals on right vertices of a quadrilateral' position='0 0 4'/>
19	<Viewpoint description='Other side - note difference in animated shading' orientation='0 1 0 3.14159' position='0 0 -4'/>
20	<Group>
21	<Shape>
22	<IndexedFaceSet solid='false' coordIndex='0 1 2 3' normalIndex='0 1 2 3'>
23	<Coordinate point='-1 -1 0 1 -1 0 1 1 0 -1 1 0'/>
24	<!-- ROUTE information for AnimatedNormals node: [from NormalPath.value_changed to set_vector ] --> <Normal DEF='AnimatedNormals' vector='0 0 1 0 0 1 0 0 1 0 0 1'/>
25	</IndexedFaceSet>
26	<Appearance>
27	<Material diffuseColor='0.3 0.6 0.9'/>
28	</Appearance>
29	</Shape>
30	<!-- ROUTE information for Clock node: [from fraction_changed to NormalPath.set_fraction ] --> <TimeSensor DEF='Clock' cycleInterval='4' loop='true'/>
31	<!-- ROUTE information for NormalPath node: [from Clock.fraction_changed to set_fraction ] [from value_changed to AnimatedNormals.set_vector ] --> <NormalInterpolator DEF='NormalPath' key='0 0.5 1' keyValue='0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1'/>
32	</Group>
33	< ROUTE fromNode='Clock' fromField='fraction_changed' toNode='NormalPath' toField='set_fraction'/>
34	< ROUTE fromNode='NormalPath' fromField='value_changed' toNode='AnimatedNormals' toField='set_vector'/>
35	</Scene>
36	</X3D>

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Event Graph ROUTE Table shows event connections.

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<!--

Index for DEF nodes: AnimatedNormals, Clock, NormalPath

Index for Viewpoint nodes: Viewpoint_1, Viewpoint_2

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X3D Tooltips element index: Appearance, Coordinate, Group, head, IndexedFaceSet, Material, meta, Normal, NormalInterpolator, ROUTE, Scene, Shape, TimeSensor, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table with 2 ROUTE connections total, showing X3D event-model relationships for this scene.

Each row shows an event cascade that may occur during a single timestamp interval between frame renderings, as part of the X3D execution model.

Clock
TimeSensor
fraction_changed
SFFloat

→
ROUTE
event to
(1)

NormalPath
NormalInterpolator
set_fraction
SFFloat

then

NormalPath
NormalInterpolator
value_changed
MFVec3f

→
ROUTE
event to
(2)

AnimatedNormals
Normal
set_vector
MFVec3f

Additional guidance on X3D animation can be found in the 10-Step Animation Design Process and Event Tracing hint sheets. Have fun with X3D! 😀

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