X3D Model Documentation: TailRotor.x3d

  1  <?xml version="1.0" encoding="UTF-8"?>
  2 
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
  3  <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'>
  4       <head>
  5            <meta name='title' content=' TailRotor.x3d '/>
  6            <meta name='creator' content='Michael Collins'/>
  7            <meta name='contributor' content='LT Terry D. Norbraten, USN'/>
  8            <meta name='created' content='18 March 2001'/>
  9            <meta name='modified' content='20 October 2019'/>
 10            <meta name='description' content='A SH60F tailrotor. Contains four tail blades, capping unit and central drive shaft.'/>
 11            <meta name='generator' content='X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit'/>
 12            <meta name='reference' content=' https://www.fas.org/man/dod-101/sys/ac/sh-60.htm '/>
 13            <meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/TailRotor.x3d '/>
 14            <meta name='license' content='../../license.html'/>
 15       </head>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->
<!-- to top DEF nodes index: Clock, RotorPath, TailBlade, TailRotor
-->
 16       <Scene>
 17            <NavigationInfo speed='300'/>
 18            <!-- lower-resolution rotor transitions at 1 km -->
 19            <LOD range='3048'>
 20 
               <!-- ROUTE information for TailRotor node:  [from RotorPath.value_changed to set_rotation ] -->
                <Transform DEF='TailRotor'>
 21                      <Transform rotation='1 0 0 1.6' translation='-.1 -.5 .2'>
 22 
                         <!-- Inline TailBlade is a DEF node that has 3 USE nodes: USE_1, USE_2, USE_3 -->
                          <Inline DEF='TailBlade'   url=' "TailBlade.x3d" "https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/TailBlade.x3d" "TailBlade.wrl" "https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/TailBlade.wrl" '/>
 23                           <Transform rotation='0 0 1 -1.57' translation='.2 0 0'>
 24                                <Inline USE='TailBlade'/>
 25                                <Transform rotation='0 0 1 -1.57' translation='.2 0 0'>
 26                                     <Inline USE='TailBlade'/>
 27                                     <Transform rotation='0 0 1 -1.57' translation='.2 0 0'>
 28                                          <Inline USE='TailBlade'/>
 29                                     </Transform>
 30                                </Transform>
 31                           </Transform>
 32                      </Transform>
 33                      <Transform scale='.5 .5 .5' translation='0 -.8 0'>
 34                           <Shape>
 35                                <Cylinder height='1' radius='.2'/>
 36                                <Appearance>
 37                                     <Material/>
 38                                </Appearance>
 39                           </Shape>
 40                      </Transform>
 41                      <Transform scale='.3 .3 .3' translation='-.6 -.5 -.6'>
 42                           <Inline   url=' "Head.x3d" "https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/Head.x3d" "Head.wrl" "https://www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/Head.wrl" '/>
 43                      </Transform>
 44                 </Transform>
 45                 <WorldInfo info='"null node"'/>
 46            </LOD>
 47            <Background groundAngle='1.309 1.570796' groundColor='0.1 0.1 0 0.4 0.25 0.2 0.6 0.6 0.6' skyAngle='1.309 1.571' skyColor='0 0.2 0.7 0 0.5 1 1 1 1'/>
 48 
          <!-- ROUTE information for RotorPath node:  [from Clock.fraction_changed to set_fraction ] [from value_changed to TailRotor.set_rotation ] -->
           <OrientationInterpolator DEF='RotorPath' key='0 0.5 1' keyValue='0 1 0 0 0 1 0 3.14 0 1 0 6.28'/>
 49 
          <!-- ROUTE information for Clock node:  [from fraction_changed to RotorPath.set_fraction ] -->
           <TimeSensor DEF='Clock' cycleInterval='.3' loop='true'/>
 50            < ROUTE  fromNode='Clock' fromField='fraction_changed' toNode='RotorPath' toField='set_fraction'/>
 51            < ROUTE  fromNode='RotorPath' fromField='value_changed' toNode='TailRotor' toField='set_rotation'/>
 52       </Scene>
 53  </X3D>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->
<!-- to top DEF nodes index: Clock, RotorPath, TailBlade, TailRotor
-->
X3D Tooltips element index: Appearance, Background, Cylinder, head, Inline, LOD, Material, meta, NavigationInfo, OrientationInterpolator, ROUTE, Scene, Shape, TimeSensor, Transform, WorldInfo, X3D, plus documentation for accessType definitions, type definitions, XML data types, and field types

Event Graph ROUTE Table 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.

Clock
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
RotorPath
OrientationInterpolator
set_fraction
SFFloat 		then
 
 
  		RotorPath
OrientationInterpolator
value_changed
SFRotation
→
ROUTE
event to
(2)
TailRotor
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/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/TailRotorIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Savage/AircraftHelicopters/SH60SeahawkUnitedStates/TailRotor.x3d -->

<!-- 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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