def_use.x3d (X3dToXhtml listing)

X3D Model Documentation: def_use.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='Interactive' 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='def_use.x3d'/>
6	<meta name='MovingImage' content='def_use-movie.mpg'/>
7	<meta name='reference' content='http://www.nist.gov/vrml.html'/>
8	<meta name='reference' content='http://www.itl.nist.gov/div897/ctg/vrml/vrml.html'/>
9	<meta name='creator' content='http://www.itl.nist.gov/div897/ctg/vrml/members.html'/>
10	<meta name='disclaimer' content='This file was provided by the National Institute of Standards and Technology, and is part of the X3D Conformance Test Suite, available at http://www.nist.gov/vrml.html The information contained within this file is provided for use in establishing conformance to the ISO VRML97 Specification. Conformance to this test does not imply recommendation or endorsement by the National Institute of Standards and Technology (NIST). This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified. '/>
11	<meta name='reference' content='Interactive Conformance Testing for VRML, Mary Brady and Lynn Rosenthal, NIST, created 8 September 2010 and updated 25 August 2016, https://www.nist.gov/itl/ssd/information-systems-group/interactive-conformance-testing-vrml'/>
12	<meta name='info' content='Correct definition and compliance of this conformance scene is maintained by the X3D Working Group, https://www.web3d.org/working-groups/x3d'/>
13	<meta name='translator' content='Michael Kass NIST, Don Brutzman NPS'/>
14	<meta name='translated' content='21 January 2001'/>
15	<meta name='modified' content='28 August 2023'/>
16	<meta name='description' content='Test DEF of multipl ProximitySensors. Three instances (DEFs) of the same ProximitySensor are associated with a Sphere geometry. Entering any one of the three instances should generate events that are routed to a common TimeSensor node. The result is, when entering any of the bounding boxes, the Sphere geometry should change color from red to blue.'/>
17	<meta name='identifier' content='https://www.web3d.org/x3d/content/examples/ConformanceNist/Sensors/ProximitySensor/def_use.x3d'/>
18	<meta name='generator' content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html'/>
19	<meta name='generator' content='X3D-Edit 4.0, https://savage.nps.edu/X3D-Edit'/>
20	<meta name='license' content='../../license.html'/>
21	</head>

<!--

Event Graph ROUTE Table shows event connections.

-->

<!--

Index for DEF nodes: COLOR, FRAME, INTERP_COLOR, PROX_SENSOR, TIME

Index for Viewpoint nodes: Viewpoint_1, Viewpoint_2, Viewpoint_3, Viewpoint_4, Viewpoint_5, Viewpoint_6

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22	<Scene>
23	<WorldInfo title='def_use.x3d'/>
24	<Viewpoint description='Outside ProximitySensors' position='0 0 20'/>
25	<Viewpoint description='Inside Center ProximitySensor' position='0 0 0'/>
26	<Viewpoint description='Outside ProximitySensors' position='0 0 20'/>
27	<Viewpoint description='Inside Left ProximitySensor' position='-5 0 0'/>
28	<Viewpoint description='Outside ProximitySensors' position='0 0 20'/>
29	<Viewpoint description='Inside Right ProximitySensor' position='5 0 0'/>
30	<Group>
31	<!-- ROUTE information for TIME node: [from PROX_SENSOR.enterTime to startTime ] [from PROX_SENSOR.exitTime to stopTime ] [from fraction_changed to INTERP_COLOR.set_fraction ] --> <TimeSensor DEF='TIME' cycleInterval='2'/>
32	<!-- ROUTE information for INTERP_COLOR node: [from TIME.fraction_changed to set_fraction ] [from value_changed to COLOR.diffuseColor ] --> <ColorInterpolator DEF='INTERP_COLOR' key='0 0.5 1' keyValue='1 0 0 0 1 0 0 0 1'/>
33	<Transform>
34	<!-- ProximitySensor PROX_SENSOR is a DEF node that has 2 USE nodes: USE_1, USE_2 <!-- ROUTE information for PROX_SENSOR node: [from enterTime to TIME.startTime ] [from exitTime to TIME.stopTime ] --> <ProximitySensor DEF='PROX_SENSOR' size='4 4 4'/>
35	<!-- Shape FRAME is a DEF node that has 2 USE nodes: USE_1, USE_2 --> <Shape DEF='FRAME'>
36	<Appearance>
37	<Material emissiveColor='1 1 1'/>
38	</Appearance>
39	<IndexedLineSet coordIndex='0 1 -1 1 2 -1 2 3 -1 3 0 -1 4 5 -1 5 6 -1 6 7 -1 7 4 -1 1 5 -1 2 6 -1 0 4 -1 7 3 -1'>
40	<Coordinate point='-2 -2 -2 2 -2 -2 2 2 -2 -2 2 -2 -2 -2 2 2 -2 2 2 2 2 -2 2 2'/>
41	</IndexedLineSet>
42	</Shape>
43	<Transform translation='0 0 -15'>
44	<Shape>
45	<Appearance>
46	<!-- ROUTE information for COLOR node: [from INTERP_COLOR.value_changed to diffuseColor ] --> <Material DEF='COLOR' diffuseColor='1 0 0'/>
47	</Appearance>
48	<Sphere radius='10'/>
49	</Shape>
50	</Transform>
51	</Transform>
52	<Transform translation='5 0 0'>
53	<ProximitySensor USE='PROX_SENSOR'/>
54	<Shape USE='FRAME'/>
55	</Transform>
56	<Transform translation='-5 0 0'>
57	<ProximitySensor USE='PROX_SENSOR'/>
58	<Shape USE='FRAME'/>
59	</Transform>
60	</Group>
61	< ROUTE fromNode='PROX_SENSOR' fromField='enterTime' toNode='TIME' toField='startTime'/>
62	< ROUTE fromNode='TIME' fromField='fraction_changed' toNode='INTERP_COLOR' toField='set_fraction'/>
63	< ROUTE fromNode='INTERP_COLOR' fromField='value_changed' toNode='COLOR' toField='diffuseColor'/>
64	< ROUTE fromNode='PROX_SENSOR' fromField='exitTime' toNode='TIME' toField='stopTime'/>
65	</Scene>
66	</X3D>

<!--

Event Graph ROUTE Table shows event connections.

-->

<!--

Index for DEF nodes: COLOR, FRAME, INTERP_COLOR, PROX_SENSOR, TIME

Index for Viewpoint nodes: Viewpoint_1, Viewpoint_2, Viewpoint_3, Viewpoint_4, Viewpoint_5, Viewpoint_6

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X3D Tooltips element index: Appearance, ColorInterpolator, Coordinate, Group, head, IndexedLineSet, Material, meta, ProximitySensor, ROUTE, Scene, Shape, Sphere, TimeSensor, Transform, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table entries with 4 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.

PROX_SENSOR ProximitySensor enterTime SFTime	→ ROUTE event to (1)	TIME TimeSensor startTime SFTime	then	TIME TimeSensor fraction_changed SFFloat	→ ROUTE event to (2)	INTERP_COLOR ColorInterpolator set_fraction SFFloat	then	INTERP_COLOR ColorInterpolator value_changed SFColor	→ ROUTE event to (3)	COLOR Material diffuseColor SFColor
PROX_SENSOR ProximitySensor exitTime SFTime	→ ROUTE event to (1)	TIME TimeSensor stopTime SFTime	then	TIME TimeSensor fraction_changed SFFloat	→ ROUTE event to (2)	INTERP_COLOR ColorInterpolator set_fraction SFFloat	then	INTERP_COLOR ColorInterpolator value_changed SFColor	→ ROUTE event to (3)	COLOR Material diffuseColor SFColor

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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