X3D Model Documentation: Nested.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='Interactive' 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='Nested.x3d'/>
  6            <meta name='description' content='Multiple nested sensors: this world illustrates the use of nested sensors where one sensor covers shapes in an inner Transform group, and another sensor covers shapes in an outer Transform group.'/>
  7            <meta name='creator' content='John L. Moreland'/>
  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='20 October 2019'/>
 12            <meta name='reference' content='originals/nested.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/mt0172.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/Nested.x3d'/>
 19            <meta name='generator' content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html'/>
 20            <meta name='generator' content='X3D-Edit, https://savage.nps.edu/X3D-Edit'/>
 21            <meta name='license' content='../license.html'/>
 22       </head>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: Appear, Block, Segment1Ss, Segment1Tf, Segment2Ss, Segment2Tf, TopTf

Index for Viewpoint node: Viewpoint_1
-->
 23       <Scene>
 24            <WorldInfo info='"Copyright (c) 1998, John L. Moreland"' title='Nested sensors'/>
 25            <NavigationInfo/>
 26            <Viewpoint description='Entry view' orientation='1.0 0.0 0.0 -0.25' position='0.0 1.0 2.0'/>
 27            <Transform DEF='TopTf'>
 28 
               <!-- ROUTE information for Segment1Tf node:  [from Segment1Ss.rotation_changed to set_rotation ] -->
                <Transform DEF='Segment1Tf' center='0.0 -0.25 0.0' translation='0.0 0.25 0.0'>
 29 
                    <!-- ROUTE information for Segment1Ss node:  [from rotation_changed to Segment1Tf.set_rotation ] -->
                     <SphereSensor DEF='Segment1Ss'/>
 30 
                    <!-- Transform Block is a DEF node that has 1 USE node: USE_1 -->
                     <Transform DEF='Block' scale='0.1 0.5 0.1'>
 31                           <Shape>
 32 
                              <!-- Appearance Appear is a DEF node that has 1 USE node: USE_1 -->
                               <Appearance DEF='Appear'>
 33                                     <Material diffuseColor='1.0 1.0 0.0'/>
 34                                </Appearance>
 35                                <Sphere radius='0.5'/>
 36                           </Shape>
 37                      </Transform>
 38                      <Transform translation='0.0 0.25 0.0'>
 39                           <Shape>
 40                                <Appearance USE='Appear'/>
 41                                <Sphere radius='0.05'/>
 42                           </Shape>
 43                      </Transform>
 44 
                    <!-- ROUTE information for Segment2Tf node:  [from Segment2Ss.rotation_changed to set_rotation ] -->
                     <Transform DEF='Segment2Tf' center='0.0 0.25 0.0'>
 45 
                         <!-- ROUTE information for Segment2Ss node:  [from rotation_changed to Segment2Tf.set_rotation ] -->
                          <SphereSensor DEF='Segment2Ss'/>
 46                           <Transform translation='0.0 0.5 0.0'>
 47                                <Transform USE='Block'/>
 48                           </Transform>
 49                      </Transform>
 50                 </Transform>
 51            </Transform>
 52            < ROUTE  fromNode='Segment1Ss' fromField='rotation_changed' toNode='Segment1Tf' toField='set_rotation'/>
 53            < ROUTE  fromNode='Segment2Ss' fromField='rotation_changed' toNode='Segment2Tf' toField='set_rotation'/>
 54            <Shape>
 55                 <Appearance>
 56                      <Material/>
 57                 </Appearance>
 58                 <Box size='2.0 0.02 2.0'/>
 59            </Shape>
 60       </Scene>
 61  </X3D>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: Appear, Block, Segment1Ss, Segment1Tf, Segment2Ss, Segment2Tf, TopTf

Index for Viewpoint node: Viewpoint_1
-->
X3D Tooltips element index: Appearance, Box, head, Material, meta, NavigationInfo, ROUTE, Scene, Shape, Sphere, SphereSensor, Transform, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

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.

Segment1Ss
SphereSensor
rotation_changed
SFRotation
→
ROUTE
event to
(1)
Segment1Tf
Transform
set_rotation
SFRotation

Segment2Ss
SphereSensor
rotation_changed
SFRotation
→
ROUTE
event to
(1)
Segment2Tf
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! 😀
-->
<!-- Online at
https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/NestedIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Siggraph98Course/Nested.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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