X3D Model Documentation: IndexedFaceSetExample.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='Interchange' 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=' IndexedFaceSetExample.x3d '/>
  6            <meta name='description' content='Positive-displacement cylinder pump house built using IndexedFaceSet nodes.'/>
  7            <meta name='creator' content='Todd Gagnon and Mark A. Boyd'/>
  8            <meta name='translator' content=' Xeena VRML importer, X3D-Edit 3.1, https://www.web3d.org/x3d/content/README.X3D-Edit.html '/>
  9            <meta name='created' content='8 June 1998'/>
 10            <meta name='translated' content='20 December 2002'/>
 11            <meta name='modified' content='27 July 2024'/>
 12            <meta name='reference' content=' KelpTank.x3d '/>
 13            <meta name='reference' content=' https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/KelpForestExhibit/PumpHouse.x3d '/>
 14            <meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/IndexedFaceSetExample.x3d '/>
 15            <meta name='generator' content='X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit'/>
 16            <meta name='generator' content=' Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html '/>
 17            <meta name='license' content='../license.html'/>
 18       </head>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->
<!-- to top DEF nodes index: CylinderRod, Piston, PistonClock, PistonOuterShell, PistonPath, PistonTransform, PumpHouseAppearance, PumpHouseIFS, Rocker1Path, Rocker1Rotation, Rocker2Path, Rocker2Rotation, RockerArm1, RockerArm2

Index for Viewpoint node: Viewpoint_1
-->
 19       <Scene>
 20            <WorldInfo title='IndexedFaceSetExample.x3d'/>
 21            <Background skyColor='1 1 1'/>
 22            <Viewpoint description='Book View' orientation='0 -1 0 0.53' position='-2.28 0.29 4.06'/>
 23            <Group>
 24                 <Shape>
 25 
                    <!-- Appearance PumpHouseAppearance is a DEF node that has 6 USE nodes: USE_1, USE_2, USE_3, USE_4, USE_5, USE_6 -->
                     <Appearance DEF='PumpHouseAppearance'>
 26                           <Material diffuseColor='0.82 0.78 0.74'/>
 27                      </Appearance>
 28                      <!-- note that the housing IFS which follows has no bottom, in order to promote inspectability of internals -->
 29                      <IndexedFaceSet DEF='PumpHouseIFS' coordIndex='0 1 5 4 -1 5 1 2 6 -1 6 2 3 7 -1 3 0 4 7 -1 1 12 13 2 -1 2 13 14 -1 12 15 16 13 -1 15 0 3 16 -1 16 3 17 -1 9 5 6 10 -1 8 9 10 11 -1 4 8 11 7 -1 4 5 9 8 -1 11 10 6 7 -1 3 2 14 17 -1 13 16 17 14 -1'>
 30                           <Coordinate point='0.0 0.0 0.0 2.0 0.0 0.0 2.0 1.75 0.0 0.0 1.75 0.0 0.625 0.75 0.0 1.0 0.75 0.0 1.0 1.6 0.0 0.625 1.6 0.0 0.625 0.75 -0.65 1.0 0.75 -0.65 1.0 1.6 -0.65 0.625 1.6 -0.65 2.0 0.0 -2.7 2.0 1.75 -2.7 2.0 2.5 -1.0 0.0 0.0 -2.7 0.0 1.75 -2.7 0.0 2.5 -1.0'/>
 31                      </IndexedFaceSet>
 32                 </Shape>
 33                 <Transform scale='0.91 0.6 0.3' translation='0.8 -0.65 0.5'>
 34                      <Shape>
 35                           <Appearance>
 36                                <Material diffuseColor='1 0 0'/>
 37                           </Appearance>
 38                           <!-- solid='false' means draw both inside and outside of outer Cylinder -->
 39                           <Cylinder DEF='PistonOuterShell' bottom='false' height='1' solid='false' top='false'/>
 40                      </Shape>
 41                 </Transform>
 42            </Group>
 43            <Group>
 44                 <Transform scale='0.5 0.5 0.5' translation='1.0 1.1 -1.5'>
 45 
                    <!-- ROUTE information for PistonTransform node:  [from PistonPath.value_changed to set_translation ] -->
                     <Transform DEF='PistonTransform'>
 46                           <!-- note that non-uniform scale turns round Cylinders into oval Cylinders -->
 47                           <Transform scale='1.8 1.2 0.6' translation='0.0 -0.2 0.0'>
 48                                <Shape>
 49                                     <Appearance>
 50                                          <Material diffuseColor='0.427 0.427 0.42'/>
 51                                     </Appearance>
 52                                     <Cylinder DEF='Piston' height='1' radius='0.98'/>
 53                                </Shape>
 54                           </Transform>
 55 
                         <!-- Transform CylinderRod is a DEF node that has 1 USE node: USE_1 -->
                          <Transform DEF='CylinderRod' rotation='0.0 0.0 -1.0 0.523599' translation='-0.25 0.75 0.0'>
 56                                <Shape>
 57                                     <Appearance USE='PumpHouseAppearance'/>
 58                                     <Cylinder height='1.0' radius='0.1'/>
 59                                </Shape>
 60                           </Transform>
 61                           <Transform rotation='0.0 0.0 1.0 1.047198' translation='1.0 0.6 0.0'>
 62                                <Transform USE='CylinderRod'/>
 63                           </Transform>
 64                           <Transform translation='0.0 1.2 0.0'>
 65                                <Shape>
 66                                     <Appearance USE='PumpHouseAppearance'/>
 67                                     <Sphere radius='0.15'/>
 68                                </Shape>
 69                           </Transform>
 70 
                         <!-- ROUTE information for RockerArm1 node:  [from Rocker1Path.value_changed to set_translation ] [from Rocker1Rotation.value_changed to set_rotation ] -->
                          <Transform DEF='RockerArm1' center='0.0 -0.4 0.0'>
 71                                <Shape>
 72                                     <Appearance USE='PumpHouseAppearance'/>
 73                                     <Cylinder height='1.8' radius='0.1'/>
 74                                </Shape>
 75                                <Transform translation='0.0 0.95 0.0'>
 76                                     <Shape>
 77                                          <Appearance USE='PumpHouseAppearance'/>
 78                                          <Sphere radius='0.15'/>
 79                                     </Shape>
 80                                </Transform>
 81 
                              <!-- ROUTE information for Rocker1Path node:  [from PistonClock.fraction_changed to set_fraction ] [from value_changed to RockerArm1.set_translation ] -->
                               <PositionInterpolator DEF='Rocker1Path' key='0.0 0.3 0.32 0.5 0.75 1.0' keyValue='0.0 2.0 -0.25 0.0 1.8 -0.35 0.0 1.8 -0.35 0.0 2.0 -0.25 0.0 2.0 -0.12 0.0 2.0 -0.25'/>
 82 
                              <!-- ROUTE information for Rocker1Rotation node:  [from PistonClock.fraction_changed to set_fraction ] [from value_changed to RockerArm1.set_rotation ] -->
                               <OrientationInterpolator DEF='Rocker1Rotation' key='0.0 0.3 0.32 0.5 0.75 1.0' keyValue='-1.0 0.0 0.0 0.523599 -1.0 0.0 0.0 1.0471976 -1.0 0.0 0.0 1.0471976 -1.0 0.0 0.0 0.523599 -1.0 0.0 0.0 0.2617994 -1.0 0.0 0.0 0.523599'/>
 83                           </Transform>
 84 
                         <!-- ROUTE information for RockerArm2 node:  [from Rocker2Path.value_changed to set_translation ] [from Rocker2Rotation.value_changed to set_rotation ] -->
                          <Transform DEF='RockerArm2' center='0.0 0.7 0.0'>
 85                                <Shape>
 86                                     <Appearance USE='PumpHouseAppearance'/>
 87                                     <Cylinder height='1.8' radius='0.1'/>
 88                                </Shape>
 89                                <Transform translation='0.0 -0.95 0.0'>
 90                                     <Shape>
 91                                          <Appearance USE='PumpHouseAppearance'/>
 92                                          <Sphere radius='0.15'/>
 93                                     </Shape>
 94                                </Transform>
 95 
                              <!-- ROUTE information for Rocker2Path node:  [from PistonClock.fraction_changed to set_fraction ] [from value_changed to RockerArm2.set_translation ] -->
                               <PositionInterpolator DEF='Rocker2Path' key='0.0 0.3 0.32 0.5 0.75 1.0' keyValue='0.0 1.95 -1.0 0.0 1.2 -1.6 0.0 1.2 -1.6 0.0 1.95 -1.0 0.0 2.2 -0.65 0.0 1.95 -1.0'/>
 96 
                              <!-- ROUTE information for Rocker2Rotation node:  [from PistonClock.fraction_changed to set_fraction ] [from value_changed to RockerArm2.set_rotation ] -->
                               <OrientationInterpolator DEF='Rocker2Rotation' key='0.0 0.3 0.32 0.5 0.75 1.0' keyValue='1.0 0.0 0.0 0.523599 1.0 0.0 0.0 0.4 1.0 0.0 0.0 0.4 1.0 0.0 0.0 0.523599 1.0 0.0 0.0 1.570796 1.0 0.0 0.0 0.523599'/>
 97                           </Transform>
 98                      </Transform>
 99 
                    <!-- ROUTE information for PistonClock node:  [from fraction_changed to PistonPath.set_fraction ] [from fraction_changed to Rocker1Path.set_fraction ] [from fraction_changed to Rocker1Rotation.set_fraction ] [from fraction_changed to Rocker2Path.set_fraction ] [from fraction_changed to Rocker2Rotation.set_fraction ] -->
                     <TimeSensor DEF='PistonClock' cycleInterval='5500' loop='true'/>
100 
                    <!-- ROUTE information for PistonPath node:  [from PistonClock.fraction_changed to set_fraction ] [from value_changed to PistonTransform.set_translation ] -->
                     <PositionInterpolator DEF='PistonPath' key='0.0 0.3 0.32 0.5 0.75 1.0' keyValue='-0.4 -2.3 4.0 -0.4 -1.5 4.0 -0.4 -1.5 4.0 -0.4 -2.3 4.0 -0.4 -3.3 4.0 -0.4 -2.3 4.0'/>
101                 </Transform>
102            </Group>
103            < ROUTE  fromNode='PistonClock' fromField='fraction_changed' toNode='PistonPath' toField='set_fraction'/>
104            < ROUTE  fromNode='PistonPath' fromField='value_changed' toNode='PistonTransform' toField='set_translation'/>
105            < ROUTE  fromNode='PistonClock' fromField='fraction_changed' toNode='Rocker1Path' toField='set_fraction'/>
106            < ROUTE  fromNode='Rocker1Path' fromField='value_changed' toNode='RockerArm1' toField='set_translation'/>
107            < ROUTE  fromNode='PistonClock' fromField='fraction_changed' toNode='Rocker1Rotation' toField='set_fraction'/>
108            < ROUTE  fromNode='Rocker1Rotation' fromField='value_changed' toNode='RockerArm1' toField='set_rotation'/>
109            < ROUTE  fromNode='PistonClock' fromField='fraction_changed' toNode='Rocker2Path' toField='set_fraction'/>
110            < ROUTE  fromNode='Rocker2Path' fromField='value_changed' toNode='RockerArm2' toField='set_translation'/>
111            < ROUTE  fromNode='PistonClock' fromField='fraction_changed' toNode='Rocker2Rotation' toField='set_fraction'/>
112            < ROUTE  fromNode='Rocker2Rotation' fromField='value_changed' toNode='RockerArm2' toField='set_rotation'/>
113       </Scene>
114  </X3D>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->
<!-- to top DEF nodes index: CylinderRod, Piston, PistonClock, PistonOuterShell, PistonPath, PistonTransform, PumpHouseAppearance, PumpHouseIFS, Rocker1Path, Rocker1Rotation, Rocker2Path, Rocker2Rotation, RockerArm1, RockerArm2

Index for Viewpoint node: Viewpoint_1
-->
X3D Tooltips element index: Appearance, Background, Coordinate, Cylinder, Group, head, IndexedFaceSet, Material, meta, OrientationInterpolator, PositionInterpolator, ROUTE, Scene, Shape, Sphere, TimeSensor, Transform, Viewpoint, WorldInfo, X3D, plus documentation for accessType definitions, type definitions, XML data types, and field types

Event Graph ROUTE Table entries with 10 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.

PistonClock
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
PistonPath
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		PistonPath
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
PistonTransform
Transform
set_translation
SFVec3f
PistonClock
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
Rocker1Path
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		Rocker1Path
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
RockerArm1
Transform
set_translation
SFVec3f
PistonClock
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
Rocker1Rotation
OrientationInterpolator
set_fraction
SFFloat 		then
 
 
  		Rocker1Rotation
OrientationInterpolator
value_changed
SFRotation
→
ROUTE
event to
(2)
RockerArm1
Transform
set_rotation
SFRotation
PistonClock
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
Rocker2Path
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		Rocker2Path
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
RockerArm2
Transform
set_translation
SFVec3f
PistonClock
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
Rocker2Rotation
OrientationInterpolator
set_fraction
SFFloat 		then
 
 
  		Rocker2Rotation
OrientationInterpolator
value_changed
SFRotation
→
ROUTE
event to
(2)
RockerArm2
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/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/IndexedFaceSetExampleIndex.html -->
<!-- Version control at
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<!-- Color-coding 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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