Lamp2a.x3d (X3dToXhtml listing)

X3D Model Documentation: Lamp2a.x3d

1	`<?xml version="1.0" encoding="UTF-8"?>`
2	`<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">`
3	<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'>
4	<head>
5	<meta name='title' content=' Lamp2a.x3d '/>
6	<meta name='description' content="Desk lamp with light toggle switch: this file builds a desk lamp that can be moved about. Dragging on the lamp base slides the lamp back and forth. Dragging on the lamp arms turns the lamp arm. Dragging on the lamp shade turns the lamp shade. Touching the lamp's light switch (on the top of the lamp shade) turns the lamp on and off."/>
7	<meta name='creator' content='David R. Nadeau'/>
8	<meta name='translator' content='Don Brutzman'/>
9	<meta name='created' content='1 July 1998'/>
10	<meta name='translated' content='2 February 2014'/>
11	<meta name='modified' content='3 September 2023'/>
12	<meta name='reference' content='originals/lamp2a.wrl'/>
13	<meta name='reference' content='http://www.siggraph.org/s98'/>
14	<meta name='reference' content=' http://www.siggraph.org/s98/conference/courses/18.html '/>
15	<meta name='reference' content=' http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/slides/mt0430.htm '/>
16	<meta name='reference' content=' http://www.sdsc.edu/~moreland/courses/Siggraph98/vrml97/vrml97.htm '/>
17	<meta name='reference' content=' https://www.web3d.org/x3d/content/examples/X3dResources.html '/>
18	<meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/Lamp2a.x3d '/>
19	<meta name='generator' content=' Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html '/>
20	<meta name='generator' content='X3D-Edit, https://www.web3d.org/x3d/tools/X3D-Edit'/>
21	<meta name='license' content='../license.html'/>
22	</head>

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Event Graph ROUTE Table shows event connections.

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DEF nodes index: BulbMaterial, Entry, FirstArm, Lamp, LampArm, LampLight, LampShade, LightSwitch, MoveFirstArm, MoveLamp, MoveLampShade, MoveSecondArm, Red, SecondArm, Toggle

Index for Viewpoint node: Entry

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23	<Scene>
24	<!-- To make the lamp go on and off, a TouchSensor is routed into a 'toggle' script that alternates between TRUE and FALSE outputs, sending TRUE on the first TRUE input, then FALSE on the next TRUE input. These TRUE/FALSE values are routed into a SpotLight node within the lamp, turning it on and off. -->
25	<WorldInfo info='"Copyright (c) 1997, David R. Nadeau"' title='Desk lamp with light toggle switch'/>
26	<Viewpoint DEF='Entry' description='Entry view' position='0.0 0.1 1.0'/>
27	<NavigationInfo headlight='false'/>
28	<Background/>
29	<DirectionalLight direction='0.0 -1.0 -1.0' intensity='0.3'/>
30	<Transform translation='-1.0 0.0 -1.0'>
31	<Shape>
32	<Appearance>
33	<Material/>
34	<ImageTexture url=' "wood.jpg " "https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/wood.jpg " '/>
35	</Appearance>
36	<ElevationGrid creaseAngle='3.14' xDimension='10' xSpacing='0.25' zDimension='10' zSpacing='0.25' height='0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0'/>
37	</Shape>
38	</Transform>
39	<Transform rotation='1.0 0.0 0.0 1.571' translation='0.0 0.01 0.0'>
40	<!-- ROUTE information for MoveLamp node: [from translation_changed to Lamp.set_translation ] --> <PlaneSensor DEF='MoveLamp'/>
41	<!-- ROUTE information for Lamp node: [from MoveLamp.translation_changed to set_translation ] --> <Transform DEF='Lamp' rotation='1.0 0.0 0.0 -1.571'>
42	<Shape>
43	<Appearance>
44	<Material diffuseColor='0.5 0.5 0.5'/>
45	</Appearance>
46	<Cylinder height='0.01' radius='0.1'/>
47	</Shape>
48	<Group>
49	<!-- ROUTE information for MoveFirstArm node: [from rotation_changed to FirstArm.set_rotation ] --> <CylinderSensor DEF='MoveFirstArm'/>
50	<!-- ROUTE information for FirstArm node: [from MoveFirstArm.rotation_changed to set_rotation ] --> <Transform DEF='FirstArm'>
51	<Transform center='0.0 -0.15 0.0' rotation='1.0 0.0 0.0 -0.7' translation='0.0 0.15 0.0'>
52	<!-- Shape LampArm is a DEF node that has 1 USE node: USE_1 --> <Shape DEF='LampArm'>
53	<!-- Appearance Red is a DEF node that has 1 USE node: USE_1 --> <Appearance DEF='Red'>
54	<Material diffuseColor='1.0 0.2 0.2'/>
55	</Appearance>
56	<Cylinder height='0.3' radius='0.01'/>
57	</Shape>
58	<Group>
59	<!-- ROUTE information for MoveSecondArm node: [from rotation_changed to SecondArm.set_rotation ] --> <CylinderSensor DEF='MoveSecondArm'/>
60	<!-- ROUTE information for SecondArm node: [from MoveSecondArm.rotation_changed to set_rotation ] --> <Transform DEF='SecondArm'>
61	<Transform center='0.0 -0.15 0.0' rotation='1.0 0.0 0.0 1.9' translation='0.0 0.3 0.0'>
62	<Shape USE='LampArm'/>
63	<Group>
64	<!-- ROUTE information for MoveLampShade node: [from rotation_changed to LampShade.set_rotation ] --> <SphereSensor DEF='MoveLampShade' offset='1.0 0.0 0.0 -1.25'/>
65	<!-- ROUTE information for LampShade node: [from MoveLampShade.rotation_changed to set_rotation ] --> <Transform DEF='LampShade' center='0.0 0.075 0.0' rotation='1.0 0.0 0.0 -1.25' translation='0.0 0.075 0.0'>
66	<Shape>
67	<Appearance USE='Red'/>
68	<Cone bottom='false' bottomRadius='0.12' height='0.15'/>
69	</Shape>
70	<Transform translation='0.0 0.075 0.0'>
71	<!-- ROUTE information for LightSwitch node: [from isActive to Toggle.set_active ] --> <TouchSensor DEF='LightSwitch'/>
72	<Shape>
73	<Appearance>
74	<Material diffuseColor='1.0 1.0 1.0'/>
75	</Appearance>
76	<Cylinder height='0.03' radius='0.007'/>
77	</Shape>
78	</Transform>
79	<Transform translation='0.0 -0.05 0.0'>
80	<!-- ROUTE information for LampLight node: [from Toggle.on_changed to set_on ] --> <SpotLight DEF='LampLight' ambientIntensity='0.2' beamWidth='0.6' direction='0.0 -1.0 0.0'/>
81	<Shape>
82	<Appearance>
83	<Material DEF='BulbMaterial' diffuseColor='0.0 0.0 0.0' emissiveColor='1.0 1.0 1.0'/>
84	</Appearance>
85	<Sphere radius='0.05'/>
86	</Shape>
87	</Transform>
88	</Transform>
89	</Group>
90	</Transform>
91	</Transform>
92	</Group>
93	</Transform>
94	</Transform>
95	</Group>
96	</Transform>
97	</Transform>
98	< ROUTE fromNode='MoveLamp' fromField='translation_changed' toNode='Lamp' toField='set_translation'/>
99	< ROUTE fromNode='MoveFirstArm' fromField='rotation_changed' toNode='FirstArm' toField='set_rotation'/>
100	< ROUTE fromNode='MoveSecondArm' fromField='rotation_changed' toNode='SecondArm' toField='set_rotation'/>
101	< ROUTE fromNode='MoveLampShade' fromField='rotation_changed' toNode='LampShade' toField='set_rotation'/>
102	<!-- ROUTE information for Toggle node: [from LightSwitch.isActive to set_active ] [from on_changed to LampLight.set_on ] --> <Script DEF='Toggle'>
103	<field name='on' type='SFBool' value='true' accessType='initializeOnly'/>
104	<field name='set_active' type='SFBool' accessType='inputOnly'/>
105	<field name='on_changed' type='SFBool' accessType='outputOnly'/>
	`<![CDATA[` ecmascript: function set_active( b, tm ) { // ignore button releases if ( b == false ) return; // toggle on button presses if ( on == true ) on = false; else on = true; on_changed = on; } `]]>`
107	</Script>
108	< ROUTE fromNode='LightSwitch' fromField='isActive' toNode='Toggle' toField='set_active'/>
109	< ROUTE fromNode='Toggle' fromField='on_changed' toNode='LampLight' toField='set_on'/>
110	</Scene>
111	</X3D>

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Event Graph ROUTE Table shows event connections.

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X3D Tooltips element index: Appearance, Background, Cone, Cylinder, CylinderSensor, DirectionalLight, ElevationGrid, field, Group, head, ImageTexture, Material, meta, NavigationInfo, PlaneSensor, ROUTE, Scene, Script, Shape, Sphere, SphereSensor, SpotLight, TouchSensor, Transform, Viewpoint, WorldInfo, X3D, plus documentation for accessType definitions, type definitions, XML data types, and field types

Event Graph ROUTE Table entries with 6 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.

LightSwitch
TouchSensor
isActive
SFBool

→
ROUTE
event to
(1)

Toggle
Script
set_active
SFBool

then

Toggle
Script
on_changed
SFBool

→
ROUTE
event to
(2)

LampLight
SpotLight
set_on
SFBool

MoveLampShade
SphereSensor
rotation_changed
SFRotation

→
ROUTE
event to
(1)

LampShade
Transform
set_rotation
SFRotation

MoveLamp
PlaneSensor
translation_changed
SFVec3f

→
ROUTE
event to
(1)

Lamp
Transform
set_translation
SFVec3f

MoveFirstArm
CylinderSensor
rotation_changed
SFRotation

→
ROUTE
event to
(1)

FirstArm
Transform
set_rotation
SFRotation

MoveSecondArm
CylinderSensor
rotation_changed
SFRotation

→
ROUTE
event to
(1)

SecondArm
Transform
set_rotation
SFRotation

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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