<?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='titlecontent=' Figure09_7CylinderSensorWithAxes.x3d '/>
<meta name='creatorcontent='Figure 9.7, 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/ch09/09fig07.htm '/>
<meta name='transcribercontent='Don Brutzman'/>
<meta name='createdcontent='12 August 2000'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='descriptioncontent='Two shapes that rotate about an axis when the viewer drags them, with coordinate axes superimposed to show X3D/VRML directions.'/>
<meta name='identifiercontent=' https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_7CylinderSensorWithAxes.x3d '/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../../license.html'/>
</head>
<!-- -->
<Scene>
<!-- Click and drag to rotate shapes. Superfluous Group nodes removed. -->
<!-- First rotate to reorient the first CylinderSensor -->
<WorldInfo title='Figure09_7CylinderSensorWithAxes.x3d'/>
<Transform rotation='1 0 0 1.57translation='-2 0 0'>
<!-- ROUTE information for FIRST_CYLINDERSENSOR node:  [from rotation_changed to FIRST_TRANSFORM.set_rotation ] -->
<CylinderSensor DEF='FIRST_CYLINDERSENSORdescription='Click and drag to rotatemaxAngle='1.57minAngle='-0.78'/>

<!-- ROUTE information for FIRST_TRANSFORM node:  [from FIRST_CYLINDERSENSOR.rotation_changed to set_rotation ] -->
<Transform DEF='FIRST_TRANSFORM'>
<!-- Note that we are connecting a rotation output to a rotation input in these ROUTEs. -->
< ROUTE  fromNode=' FIRST_CYLINDERSENSOR' fromField='rotation_changed' toNode=' FIRST_TRANSFORM' toField='set_rotation'/>
<!-- Keep transparent user-interface geometry in this rotated CylinderSensor coordinate frame -->
<Transform DEF='TRANSPARENT_CYLINDER_TRANSFORM'>
<Shape>
<Cylinder height='.5'/>
<Appearance>
<Material diffuseColor='.7 .7 .7transparency='.5'/>
</Appearance>
</Shape>
</Transform>
<!-- Now restore original Y=up coordinate frame prior to drawing actual geometry -->
<Transform rotation='1 0 0 -1.57'>
<Shape>
<Box size='1 3 1'/>
<Appearance DEF='FIRST_APPEARANCE'>
<Material diffuseColor='.9 .9 .1emissiveColor='.2 .2 .05'/>
</Appearance>
</Shape>
</Transform>
</Transform>
</Transform>
<!-- Note this second example uses a simpler pattern: since we are not rotating the axis of the CylinderSensor away from the vertical, we do not need to change that rotation back again for the target geometry. -->
<!-- ROUTE information for SECOND_TRANSFORM node:  [from SECOND_CYLINDERSENSOR.rotation_changed to set_rotation ] -->
<Transform DEF='SECOND_TRANSFORMtranslation='2 0 0'>
<!-- ROUTE information for SECOND_CYLINDERSENSOR node:  [from rotation_changed to SECOND_TRANSFORM.set_rotation ] -->
<CylinderSensor DEF='SECOND_CYLINDERSENSORdescription='Click and drag to rotate'/>

< ROUTE  fromNode=' SECOND_CYLINDERSENSOR' fromField='rotation_changed' toNode=' SECOND_TRANSFORM' toField='set_rotation'/>
<!-- Keep transparent user-interface geometry in this rotated CylinderSensor coordinate frame -->
<Transform USE=' TRANSPARENT_CYLINDER_TRANSFORM'/>
<!-- Rotate actual geometry -->
<Transform rotation='1 0 0 0.52'>
<Shape>
<Cone/>
<Appearance USE=' FIRST_APPEARANCE'/>
</Shape>
</Transform>
</Transform>
<!-- Adding this Inline reference to another scene superimposes X3D/VRML coordinate system axes. -->
<Transform scale='4 4 4'> </Transform>
</Scene>
</X3D>
<!--

to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: CoordinateAxes, FIRST_APPEARANCE, FIRST_CYLINDERSENSOR, FIRST_TRANSFORM, SECOND_CYLINDERSENSOR, SECOND_TRANSFORM, TRANSPARENT_CYLINDER_TRANSFORM
-->

Event Graph ROUTE Table entries 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.

FIRST_CYLINDERSENSOR
CylinderSensor
rotation_changed
SFRotation

ROUTE
event to
(1)
FIRST_TRANSFORM
Transform
set_rotation
SFRotation


SECOND_CYLINDERSENSOR
CylinderSensor
rotation_changed
SFRotation

ROUTE
event to
(1)
SECOND_TRANSFORM
Transform
set_rotation
SFRotation


-->

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https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_7CylinderSensorWithAxesIndex.html -->
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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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