<?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='Interactive'  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=' Figure10_07LightBulb.x3d '/>
<meta name='creatorcontent='Figure 10.7, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
<meta name='referencecontent=' http://www.wiley.com/legacy/compbooks/vrml2sbk/ch10/10fig07.htm '/>
<meta name='transcribercontent='Don Brutzman'/>
<meta name='createdcontent='15 August 2000'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='descriptioncontent='A lightbulb that varies in brightness as the pointing device is held over the socket.'/>
<meta name='identifiercontent=' https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter10Materials/Figure10_07LightBulb.x3d '/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../../license.html'/>
</head>
<!--

to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: BULB_CASING, BULB_MATERIAL, LIGHT_TIMESENSOR, LIGHTSOURCE, SOCKET_MATERIAL, SOCKET_TOUCHSENSOR, WHITE_COLORINTERPOLATOR

Index for Viewpoint node: Viewpoint_1
-->
<Scene>
<WorldInfo title='Figure10_07LightBulb.x3d'/>
<Viewpoint description='Light bulb: put mouse over socket to change brightnessposition='0 0 8'/>
<Transform translation='0 2 0'>
<Shape>
<Appearance>
<Material diffuseColor='0.4 0.4 0.4emissiveColor='0.1 0.1 0.1'/>
</Appearance>
<Cylinder radius='0.05'/>
</Shape>
<Group>
<Transform translation='0 -1 0'>
<Shape>
<Appearance DEF='BULB_CASING'>
<Material DEF='SOCKET_MATERIALdiffuseColor='0.4 0.4 0.16emissiveColor='0.4 0.4 0.16'/>
</Appearance>
<Sphere radius='0.5'/>
</Shape>
</Transform>
<Transform translation='0 -1.5 0'>
<Shape>
<Appearance USE=' BULB_CASING'/>
<Cylinder height='1radius='0.5'/>
</Shape>
</Transform>
<!-- ROUTE information for SOCKET_TOUCHSENSOR node:  [from isOver to LIGHT_TIMESENSOR.enabled ] -->
<TouchSensor DEF='SOCKET_TOUCHSENSORdescription='touch to change light intensity'/>
</Group>
<Transform translation='0 -2.95 0'>
<Shape>
<Appearance>
<!-- ROUTE information for BULB_MATERIAL node:  [from WHITE_COLORINTERPOLATOR.value_changed to set_diffuseColor ] [from WHITE_COLORINTERPOLATOR.value_changed to set_emissiveColor ] -->
<Material DEF='BULB_MATERIALdiffuseColor='0.4 0.4 0.4emissiveColor='0.8 0.8 0.8'/>
</Appearance>
<Sphere/>
</Shape>
<!-- ROUTE information for LIGHTSOURCE node:  [from WHITE_COLORINTERPOLATOR.value_changed to set_color ] -->
<PointLight DEF='LIGHTSOURCE'/>
</Transform>
</Transform>
<!-- ROUTE information for LIGHT_TIMESENSOR node:  [from SOCKET_TOUCHSENSOR.isOver to enabled ] [from fraction_changed to WHITE_COLORINTERPOLATOR.set_fraction ] -->
<TimeSensor DEF='LIGHT_TIMESENSORcycleInterval='3enabled='falseloop='true'/>

<!-- ROUTE information for WHITE_COLORINTERPOLATOR node:  [from LIGHT_TIMESENSOR.fraction_changed to set_fraction ] [from value_changed to BULB_MATERIAL.set_diffuseColor ] [from value_changed to BULB_MATERIAL.set_emissiveColor ] [from value_changed to LIGHTSOURCE.set_color ] -->
<ColorInterpolator DEF='WHITE_COLORINTERPOLATORkey='0 0.1 0.4 0.6 0.9 1keyValue='1 1 1 1 1 1 0.1 0.1 0.1 0.1 0.1 0.1 1 1 1 1 1 1'/>

< ROUTE  fromNode=' SOCKET_TOUCHSENSOR' fromField='isOver' toNode=' LIGHT_TIMESENSOR' toField='enabled'/>
< ROUTE  fromNode=' LIGHT_TIMESENSOR' fromField='fraction_changed' toNode=' WHITE_COLORINTERPOLATOR' toField='set_fraction'/>
< ROUTE  fromNode=' WHITE_COLORINTERPOLATOR' fromField='value_changed' toNode=' BULB_MATERIAL' toField='set_diffuseColor'/>
< ROUTE  fromNode=' WHITE_COLORINTERPOLATOR' fromField='value_changed' toNode=' BULB_MATERIAL' toField='set_emissiveColor'/>
< ROUTE  fromNode=' WHITE_COLORINTERPOLATOR' fromField='value_changed' toNode=' LIGHTSOURCE' toField='set_color'/>
</Scene>
</X3D>
<!--

to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: BULB_CASING, BULB_MATERIAL, LIGHT_TIMESENSOR, LIGHTSOURCE, SOCKET_MATERIAL, SOCKET_TOUCHSENSOR, WHITE_COLORINTERPOLATOR

Index for Viewpoint node: Viewpoint_1
-->

Event Graph ROUTE Table entries with 5 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.

SOCKET_TOUCHSENSOR
TouchSensor
isOver
SFBool

ROUTE
event to
(1)
LIGHT_TIMESENSOR
TimeSensor
enabled
SFBool

 
 
then
LIGHT_TIMESENSOR
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(2)
WHITE_COLORINTERPOLATOR
ColorInterpolator
set_fraction
SFFloat

 
 
then
WHITE_COLORINTERPOLATOR
ColorInterpolator
value_changed
SFColor

ROUTE
event to
(3)
BULB_MATERIAL
Material
set_diffuseColor
SFColor
 
 
 
then
WHITE_COLORINTERPOLATOR
ColorInterpolator
value_changed
SFColor

ROUTE
event to
(3)
BULB_MATERIAL
Material
set_emissiveColor
SFColor
 
 
 
then
WHITE_COLORINTERPOLATOR
ColorInterpolator
value_changed
SFColor

ROUTE
event to
(3)
LIGHTSOURCE
PointLight
set_color
SFColor


LIGHT_TIMESENSOR
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(1)
WHITE_COLORINTERPOLATOR
ColorInterpolator
set_fraction
SFFloat

 
 
then
WHITE_COLORINTERPOLATOR
ColorInterpolator
value_changed
SFColor

ROUTE
event to
(2)
BULB_MATERIAL
Material
set_diffuseColor
SFColor
 
 
 
then
WHITE_COLORINTERPOLATOR
ColorInterpolator
value_changed
SFColor

ROUTE
event to
(2)
BULB_MATERIAL
Material
set_emissiveColor
SFColor
 
 
 
then
WHITE_COLORINTERPOLATOR
ColorInterpolator
value_changed
SFColor

ROUTE
event to
(2)
LIGHTSOURCE
PointLight
set_color
SFColor


-->

<!-- Online at
https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter10Materials/Figure10_07LightBulbIndex.html -->
<!-- Version control at
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<!-- 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)
-->

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