<?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='Immersive'  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='title' content=' Figure09_9DeskLampWithAxes.x3d '/>
<meta name='creator' content='Figure 9.9, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
<meta name='reference' content=' http://www.wiley.com/legacy/compbooks/vrml2sbk/ch09/09fig09.htm '/>
<meta name='transcriber' content='Don Brutzman'/>
<meta name='created' content='12 August 2000'/>
<meta name='modified' content='20 October 2019'/>
<meta name='Image' content='Figure09_9DeskLampWithAxes.SlideshowSnapshot.png' />
<meta name='description' content='A desk lamp with arm angles that can be adjusted using nested sensors, with coordinate axes superimposed to show X3D/VRML directions.'/>
<meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_9DeskLampWithAxes.x3d '/>
<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content=' ../../license.html'/>
</head>
<!--
to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: CoordinateAxes, FIRST_ARM_TRANSFORM, LAMP_ARM, LAMP_SHADE_TRANSFORM, LAMP_TRANSFORM, LIGHT_BROWN, MOVE_FIRST_ARM, MOVE_LAMP, MOVE_LAMP_SHADE, MOVE_SECOND_ARM, SECOND_ARM_TRANSFORM, WHITE
Index for Viewpoint node: Viewpoint_1
-->
<Scene>
<WorldInfo title='Figure09_9DeskLampWithAxes.x3d'/>
<Viewpoint description='Desk lamp' orientation='0 1 0 0.29' position='0.3 0.2 1'/>
<!-- First rotate PlaneSensor to horizontal XZ (Y = 0) plane -->
<Transform rotation='1 0 0 1.57'>
<!-- ROUTE information for MOVE_LAMP node:  [from translation_changed to LAMP_TRANSFORM.set_translation ] -->
 <PlaneSensor DEF='MOVE_LAMP' description='drag to move lamp' maxPosition='0.1 0.1' minPosition='-0.1 -0.1'/>

<!-- ROUTE information for LAMP_TRANSFORM node:  [from MOVE_LAMP.translation_changed to set_translation ] -->
 <Transform DEF='LAMP_TRANSFORM'>
<!-- Note that we are connecting a chain of behavior engines in these ROUTEs. The event types passed via each ROUTE must each match. -->
< ROUTE  fromNode=' MOVE_LAMP' fromField='translation_changed' toNode=' LAMP_TRANSFORM' toField='set_translation'/>
<!-- Now rotate back so that actual geometry remains in original coordinate system -->
<Transform rotation='1 0 0 -1.57'>
<Shape>
<Cylinder height='0.01' radius='0.1'/>
<Appearance DEF='WHITE'>
<Material diffuseColor='.9 .9 .9'/>
</Appearance>
</Shape>
<Group>
<!-- ROUTE information for MOVE_FIRST_ARM node:  [from rotation_changed to FIRST_ARM_TRANSFORM.set_rotation ] -->
 <SphereSensor DEF='MOVE_FIRST_ARM' description='rotate first arm' offset='1 0 0 -0.7'/>

<!-- ROUTE information for FIRST_ARM_TRANSFORM node:  [from MOVE_FIRST_ARM.rotation_changed to set_rotation ] -->
 <Transform DEF='FIRST_ARM_TRANSFORM' center='0 -0.15 0' rotation='1 0 0 -0.7' translation='0 0.15 0'>
< ROUTE  fromNode=' MOVE_FIRST_ARM' fromField='rotation_changed' toNode=' FIRST_ARM_TRANSFORM' toField='set_rotation'/>
<Shape DEF='LAMP_ARM'>
<Appearance DEF='LIGHT_BROWN'>
<Material diffuseColor='.6 .6 .2'/>
</Appearance>
<Cylinder height='0.3' radius='0.01'/>
</Shape>
<Group>
<!-- ROUTE information for MOVE_SECOND_ARM node:  [from rotation_changed to SECOND_ARM_TRANSFORM.set_rotation ] -->
 <SphereSensor DEF='MOVE_SECOND_ARM' description='rotate second arm' offset='1 0 0 1.9'/>

<!-- ROUTE information for SECOND_ARM_TRANSFORM node:  [from MOVE_SECOND_ARM.rotation_changed to set_rotation ] -->
 <Transform DEF='SECOND_ARM_TRANSFORM' center='0 -0.15 0' rotation='1 0 0 1.9' translation='0 0.3 0'>
< ROUTE  fromNode=' MOVE_SECOND_ARM' fromField='rotation_changed' toNode=' SECOND_ARM_TRANSFORM' toField='set_rotation'/>
<Shape USE=' LAMP_ARM'/>
<Group>
<!-- ROUTE information for MOVE_LAMP_SHADE node:  [from rotation_changed to LAMP_SHADE_TRANSFORM.set_rotation ] -->
 <SphereSensor DEF='MOVE_LAMP_SHADE' description='rotate lamp shade' offset='1 0 0 -1.25'/>

<!-- ROUTE information for LAMP_SHADE_TRANSFORM node:  [from MOVE_LAMP_SHADE.rotation_changed to set_rotation ] -->
 <Transform DEF='LAMP_SHADE_TRANSFORM' center='0 0.07 0' rotation='1 0 0 -1.25' translation='0 0.075 0'>
< ROUTE  fromNode=' MOVE_LAMP_SHADE' fromField='rotation_changed' toNode=' LAMP_SHADE_TRANSFORM' toField='set_rotation'/>
<Shape>
<Appearance>
<Material diffuseColor='.1 .6 .6'/>
</Appearance>
<Cone bottom='false' bottomRadius='0.12' height='0.15'/>
</Shape>
<Transform translation='0 -0.05 0'>
<Shape>
<Appearance>
<Material diffuseColor='.4 .4 .1' emissiveColor='.8 .8 .2'/>
</Appearance>
<Sphere radius='0.05'/>
</Shape>
<SpotLight beamWidth='1.570796' color='.8 .8 .1' cutOffAngle='.785398' direction='0 -1 0'/>
</Transform>
</Transform>
</Group>
</Transform>
</Group>
</Transform>
</Group>
</Transform>
</Transform>
</Transform>
<!-- Adding this Inline reference to another scene superimposes X3D/VRML coordinate system axes. -->
<Transform scale='.25 .25 .25'>
<Inline DEF='CoordinateAxes'
  url=' "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://savage.nps.edu/Savage/Tools/Authoring/CoordinateAxes.x3d" "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://savage.nps.edu/Savage/Tools/Authoring/CoordinateAxes.wrl" ' />
</Transform>
</Scene>
</X3D>
<!--
to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: CoordinateAxes, FIRST_ARM_TRANSFORM, LAMP_ARM, LAMP_SHADE_TRANSFORM, LAMP_TRANSFORM, LIGHT_BROWN, MOVE_FIRST_ARM, MOVE_LAMP, MOVE_LAMP_SHADE, MOVE_SECOND_ARM, SECOND_ARM_TRANSFORM, WHITE
Index for Viewpoint node: Viewpoint_1
-->

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.

MOVE_FIRST_ARM
SphereSensor
rotation_changed
SFRotation

ROUTE
event to
(1)
FIRST_ARM_TRANSFORM
Transform
set_rotation
SFRotation


MOVE_LAMP_SHADE
SphereSensor
rotation_changed
SFRotation

ROUTE
event to
(1)
LAMP_SHADE_TRANSFORM
Transform
set_rotation
SFRotation


MOVE_SECOND_ARM
SphereSensor
rotation_changed
SFRotation

ROUTE
event to
(1)
SECOND_ARM_TRANSFORM
Transform
set_rotation
SFRotation


MOVE_LAMP
PlaneSensor
translation_changed
SFVec3f

ROUTE
event to
(1)
LAMP_TRANSFORM
Transform
set_translation
SFVec3f

-->

<!-- Online at
https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_9DeskLampWithAxesIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_9DeskLampWithAxes.x3d -->

<!-- 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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