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='FullTrack.x3d'/> |
6 | <meta name='description' content='AAV tracks and road wheels - place mouse over geometry to make the tracks move.'/> |
7 | <meta name='creator' content='William Geissler, Jeffrey Weekley'/> |
8 | <meta name='created' content='31 January 2001'/> |
9 | <meta name='modified' content='20 October 2019'/> |
10 | <meta name='identifier' content='https://savage.nps.edu/Savage/AmphibiousVehicles/AAV/FullTrack.x3d'/> |
11 | <meta name='generator' content='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit'/> |
12 | <meta name='license' content='../../license.html'/> |
13 | </head> |
14 | <Scene> |
15 | <WorldInfo info='"AAAV Track & Road Wheels"' title='Track'/> |
16 | <Transform translation='3.5 0 4.8'> |
17 | |
18 |
<!-- Transform
Horizontal is a DEF node that has 8 USE nodes: USE_1, USE_2, USE_3, USE_4, USE_5, USE_6, USE_7, USE_8
<!-- ROUTE information for Horizontal node: [from TRACKPATH.value_changed to set_translation ] --> <Transform DEF='Horizontal'> |
19 | |
20 | <Shape> |
21 | <Box size='1 .05 .3'/> |
22 | <Appearance> |
23 | <Material diffuseColor='0.4 0.4 0.4'/> |
24 | </Appearance> |
25 | </Shape> |
26 | <Transform translation='-0.25 -0.05 0.0'> |
27 | <Shape> |
28 | <Box size='.35 .05 .2'/> |
29 | <Appearance> |
30 | <Material diffuseColor='.2 .2 .2'/> |
31 | </Appearance> |
32 | </Shape> |
33 | </Transform> |
34 | <Transform translation='0.25 -0.05 0.0'> |
35 | <Shape> |
36 | <Box size='.35 .05 .2'/> |
37 | <Appearance> |
38 | <Material diffuseColor='.2 .2 .2'/> |
39 | </Appearance> |
40 | </Shape> |
41 | </Transform> |
42 | <Transform translation='0.0 0.075 0.0'> |
43 | <Shape> |
44 | <Box size='.1 .1 .4'/> |
45 | <Appearance> |
46 | <Material diffuseColor='0.6 0.6 0.6'/> |
47 | </Appearance> |
48 | </Shape> |
49 | </Transform> |
50 | <Transform rotation='0 0 1 1.57' translation='0.0 0.075 0.2'> |
51 | <Shape> |
52 | <Cylinder height='.12' radius='.06'/> |
53 | <Appearance> |
54 | <Material diffuseColor='0.4 0.4 0.4'/> |
55 | </Appearance> |
56 | </Shape> |
57 | </Transform> |
58 | </Group> |
59 | <Transform translation='0.0 0.0 -0.4'> |
60 | <Group USE='SingleTrack'/> |
61 | </Transform> |
62 | <Transform translation='0.0 0.0 -0.8'> |
63 | <Group USE='SingleTrack'/> |
64 | </Transform> |
65 | <Transform translation='0.0 0.0 -1.2'> |
66 | <Group USE='SingleTrack'/> |
67 | </Transform> |
68 | <!-- CLOCK TimeSensor node controls speed of all track movement. --> |
69 |
<!-- ROUTE information for CLOCK node:
[from TrackSensor.isOver to set_enabled
]
[from fraction_changed to TRACKPATH.set_fraction
]
[from fraction_changed to PIVOTPATH1.set_fraction
]
[from fraction_changed to PIVOTPATH2.set_fraction
]
[from fraction_changed to WHEELPATH.set_fraction
]
[from fraction_changed to ShortTRACKPATH.set_fraction
]
-->
<TimeSensor DEF='CLOCK' cycleInterval='.5' enabled='false' loop='true'/> |
70 | <!-- TRACKPATH node moves SingleTrack along flat path. --> |
71 |
<!-- ROUTE information for TRACKPATH node:
[from CLOCK.fraction_changed to set_fraction
]
[from value_changed to Horizontal.set_translation
]
-->
<PositionInterpolator DEF='TRACKPATH' key='0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.99' keyValue='0.0 0.0 0.00 0.0 0.0 -0.04 0.0 0.0 -0.08 0.0 0.0 -0.12 0.0 0.0 -0.16 0.0 0.0 -0.20 0.0 0.0 -0.24 0.0 0.0 -0.28 0.0 0.0 -0.32 0.0 0.0 -0.36 0.0 0.0 -0.40'/> |
72 | <Transform translation='0.0 0.0 -1.6'> |
73 | <Group USE='SingleTrack'/> |
74 | </Transform> |
75 | <Transform translation='0.0 0.0 -2.0'> |
76 | <Group USE='SingleTrack'/> |
77 | </Transform> |
78 | </Transform> |
79 | <Transform translation='0.0 0.0 -2.4'> |
80 | <Transform USE='Horizontal'/> |
81 | </Transform> |
82 | <Transform translation='0.0 0.0 -4.8'> |
83 | <Transform USE='Horizontal'/> |
84 | </Transform> |
85 | <Transform translation='0.0 0.0 -7.2'> |
86 | <Transform USE='Horizontal'/> |
87 | </Transform> |
88 |
<!-- ROUTE information for Pivot1 node:
[from PIVOTPATH1.value_changed to set_rotation
]
-->
<Transform DEF='Pivot1' center='0 1 0' translation='0.0 0.0 -9.5'> |
89 | <Group USE='SingleTrack'/> |
90 | <!-- PIVOTPATH1 nodes moves SingleTrack along 30 deg curve. --> |
91 |
<!-- ROUTE information for PIVOTPATH1 node:
[from CLOCK.fraction_changed to set_fraction
]
[from value_changed to Pivot1.set_rotation
]
[from value_changed to Pivot1High.set_rotation
]
-->
<OrientationInterpolator DEF='PIVOTPATH1' key='0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.99' keyValue='1 0 0 0.000 1 0 0 0.052 1 0 0 0.104 1 0 0 0.156 1 0 0 0.208 1 0 0 0.260 1 0 0 0.312 1 0 0 0.364 1 0 0 0.416 1 0 0 0.468 1 0 0 0.520'/> |
92 | </Transform> |
93 |
<!-- ROUTE information for Pivot2 node:
[from PIVOTPATH2.value_changed to set_rotation
]
-->
<Transform DEF='Pivot2' center='0 1 0'> |
94 | <Group USE='SingleTrack'/> |
95 | <!-- PIVOTPATH2 nodes moves SingleTrack along -30 deg curve. --> |
96 |
<!-- ROUTE information for PIVOTPATH2 node:
[from CLOCK.fraction_changed to set_fraction
]
[from value_changed to Pivot2.set_rotation
]
[from value_changed to Pivot2High.set_rotation
]
-->
<OrientationInterpolator DEF='PIVOTPATH2' key='0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.99' keyValue='1 0 0 -0.520 1 0 0 -0.468 1 0 0 -0.416 1 0 0 -0.364 1 0 0 -0.312 1 0 0 -0.260 1 0 0 -0.208 1 0 0 -0.156 1 0 0 -0.104 1 0 0 -0.052 1 0 0 0.0'/> |
97 | </Transform> |
98 |
<!-- ROUTE information for Pivot2High node:
[from PIVOTPATH2.value_changed to set_rotation
]
-->
<Transform DEF='Pivot2High' center='0 1 0' translation='0 0.125 1.5'> |
99 |
<!-- Group
CircleTrack is a DEF node that has 1 USE node: USE_1 -->
<Group DEF='CircleTrack'> |
100 | <Transform rotation='1 0 0 -0.524' translation='0.0 0.307 0.4'> |
101 | <Group USE='SingleTrack'/> |
102 | </Transform> |
103 | <Transform rotation='1 0 0 -1.05' translation='0.0 0.6 0.69'> |
104 | <Group USE='SingleTrack'/> |
105 | </Transform> |
106 | <Transform rotation='1 0 0 -1.57' translation='0.0 1.0 0.8'> |
107 | <Group USE='SingleTrack'/> |
108 | </Transform> |
109 | <Transform rotation='1 0 0 -2.09' translation='0.0 1.4 0.69'> |
110 | <Group USE='SingleTrack'/> |
111 | </Transform> |
112 | <Transform rotation='1 0 0 -2.62' translation='0.0 1.69 0.4'> |
113 | <Group USE='SingleTrack'/> |
114 | </Transform> |
115 | <Transform rotation='1 0 0 -3.14' translation='0.0 1.8 0.0'> |
116 | <Group USE='SingleTrack'/> |
117 | </Transform> |
118 | </Group> |
119 | </Transform> |
120 | <!-- Runs the track around the rear wheel --> |
121 |
<!-- ROUTE information for Pivot1High node:
[from PIVOTPATH1.value_changed to set_rotation
]
-->
<Transform DEF='Pivot1High' center='0 1 0' translation='0 0.25 -11'> |
122 | <Transform rotation='0 1 0 3.14'> |
123 | <Group USE='CircleTrack'/> |
124 | </Transform> |
125 | </Transform> |
126 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 0'> |
127 | |
128 | <Group> |
129 | <Shape DEF='Hub'> |
130 | <Cylinder height='0.4' radius='.15'/> |
131 | <Appearance> |
132 | <Material diffuseColor='0.2 0.2 0'/> |
133 | </Appearance> |
134 | </Shape> |
135 | <Shape DEF='Wheel'> |
136 | <Cylinder height='.1' radius='0.9' side='false'/> |
137 | <Appearance> |
138 | <Material diffuseColor='0.1 0.2 0.05'/> |
139 | </Appearance> |
140 | </Shape> |
141 | <Shape DEF='Rim'> |
142 | <Appearance> |
143 | <Material diffuseColor='0.2 0.2 0'/> |
144 | </Appearance> |
145 | <Extrusion ccw='false' creaseAngle='0.785' crossSection='1.00 0.00 0.92 0.38 0.71 0.71 0.38 0.92 0.00 1.00 -0.38 0.92 -0.71 0.71 -0.92 0.38 -1.00 0.00 -0.92 -0.38 -0.71 -0.71 -0.38 -0.92 0.00 -1.00 0.38 -0.92 0.71 -0.71 0.92 -0.38 1.00 0.00 0.80 0.00 0.74 -0.31 0.57 -0.57 0.31 -0.74 0.00 -0.80 -0.31 -0.74 -0.57 -0.57 -0.74 -0.31 -0.80 0.00 -0.74 0.31 -0.57 0.57 -0.31 0.74 0.00 0.80 0.31 0.74 0.57 0.57 0.74 0.31 0.80 0.00' spine='0.0 -0.2 0.0 0.0 0.2 0.0'/> |
146 | </Shape> |
147 | </Group> |
148 | <!-- WHEELPATH node rotates RoadWheel 66 deg. --> |
149 |
<!-- ROUTE information for WHEELPATH node:
[from CLOCK.fraction_changed to set_fraction
]
[from value_changed to RoadWheel.set_rotation
]
-->
<OrientationInterpolator DEF='WHEELPATH' key='0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.99' keyValue='0 1 0 0.000 0 1 0 1.115 0 1 0 1.23 0 1 0 1.345 0 1 0 1.46 0 1 0 1.575 0 1 0 1.690 0 1 0 1.805 0 1 0 1.92 0 1 0 2.035 0 1 0 2.15'/> |
150 | </Transform> |
151 | </Transform> |
152 | <Transform DEF='RoadWheels'> |
153 | <Group> |
154 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 -1.6'> |
155 | <Transform USE='RoadWheel'/> |
156 | </Transform> |
157 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 -3.2'> |
158 | <Transform USE='RoadWheel'/> |
159 | </Transform> |
160 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 -4.8'> |
161 | <Transform USE='RoadWheel'/> |
162 | </Transform> |
163 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 -6.4'> |
164 | <Transform USE='RoadWheel'/> |
165 | </Transform> |
166 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 -8.0'> |
167 | <Transform USE='RoadWheel'/> |
168 | </Transform> |
169 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 0.7 -9.6'> |
170 | <Transform USE='RoadWheel'/> |
171 | </Transform> |
172 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 1.125 1.5'> |
173 | <Transform USE='RoadWheel'/> |
174 | </Transform> |
175 | <Transform rotation='0 0 1 -1.57' scale='0.7 0.7 0.7' translation='0 1.25 -11'> |
176 | <Transform USE='RoadWheel'/> |
177 | </Transform> |
178 | <Transform rotation='0 0 1 -1.57' scale='0.375 0.375 0.375' translation='0 1.45 -8.825'> |
179 | <Transform USE='RoadWheel'/> |
180 | </Transform> |
181 | <Transform rotation='0 0 1 -1.57' scale='0.375 0.375 0.375' translation='0 1.45 -4'> |
182 | <Transform USE='RoadWheel'/> |
183 | </Transform> |
184 | </Group> |
185 | </Transform> |
186 | <!-- TrackSensor node moves Track node if cursor over shapes. --> |
187 |
<!-- ROUTE information for TrackSensor node:
[from isOver to CLOCK.set_enabled
]
[from isOver to CLOCK2.set_enabled
]
[from isOver to CLOCK3.set_enabled
]
-->
<TouchSensor DEF='TrackSensor' description='point to activate'/> |
188 |
<!-- Transform
ShortHorizontal is a DEF node that has 3 USE nodes: USE_1, USE_2, USE_3
<!-- ROUTE information for ShortHorizontal node: [from ShortTRACKPATH.value_changed to set_translation ] --> <Transform DEF='ShortHorizontal'> |
189 |
<!-- Group
ShortSingleTrack is a DEF node that has 3 USE nodes: USE_1, USE_2, USE_3 -->
<Group DEF='ShortSingleTrack'> |
190 | <Transform translation='-0.25 -0.05 0.0'> |
191 | <Shape> |
192 | <Box size='.35 .05 .2'/> |
193 | <Appearance> |
194 | <Material diffuseColor='.2 .2 .2'/> |
195 | </Appearance> |
196 | </Shape> |
197 | </Transform> |
198 | <Transform translation='0.25 -0.05 0.0'> |
199 | <Shape> |
200 | <Box size='.35 .05 .2'/> |
201 | <Appearance> |
202 | <Material diffuseColor='.2 .2 .2'/> |
203 | </Appearance> |
204 | </Shape> |
205 | </Transform> |
206 | <Transform> |
207 | <Shape> |
208 | <Box size='1 .05 .3'/> |
209 | <Appearance> |
210 | <Material diffuseColor='0.4 0.4 0.4'/> |
211 | </Appearance> |
212 | </Shape> |
213 | </Transform> |
214 | <Transform translation='0.0 0.075 0.0'> |
215 | <Shape> |
216 | <Box size='.1 .1 .4'/> |
217 | <Appearance> |
218 | <Material diffuseColor='0.6 0.6 0.6'/> |
219 | </Appearance> |
220 | </Shape> |
221 | </Transform> |
222 | <Transform rotation='0 0 1 1.57' translation='0.0 0.075 0.2'> |
223 | <Shape> |
224 | <Cylinder height='.12' radius='.06'/> |
225 | <Appearance> |
226 | <Material diffuseColor='0.4 0.4 0.4'/> |
227 | </Appearance> |
228 | </Shape> |
229 | </Transform> |
230 | </Group> |
231 | <!-- CLOCK TimeSensor node controls speed of all track movement. --> |
232 |
<!-- ROUTE information for CLOCK2 node:
[from TrackSensor.isOver to set_enabled
]
[from fraction_changed to ShortTRACKPATH.set_fraction
]
-->
<TimeSensor DEF='CLOCK2' cycleInterval='.5' enabled='false' loop='true'/> |
233 | <!-- TRACKPATH node moves SingleTrack along flat path. --> |
234 |
<!-- ROUTE information for ShortTRACKPATH node:
[from CLOCK2.fraction_changed to set_fraction
]
[from CLOCK.fraction_changed to set_fraction
]
[from value_changed to ShortHorizontal.set_translation
]
-->
<PositionInterpolator DEF='ShortTRACKPATH' key='0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.99' keyValue='0.0 0.0 0.00 0.0 0.0 -0.04 0.0 0.0 -0.08 0.0 0.0 -0.12 0.0 0.0 -0.16 0.0 0.0 -0.20 0.0 0.0 -0.24 0.0 0.0 -0.28 0.0 0.0 -0.32 0.0 0.0 -0.36 0.0 0.0 -0.40'/> |
235 | <Transform translation='0 0 -0.4'> |
236 | <Group USE='ShortSingleTrack'/> |
237 | </Transform> |
238 | <Transform translation='0.0 0.0 -0.8'> |
239 | <Group USE='ShortSingleTrack'/> |
240 | </Transform> |
241 | <Transform translation='0.0 0.0 -1.2'> |
242 | <Group USE='ShortSingleTrack'/> |
243 | </Transform> |
244 | </Transform> |
245 | <Transform DEF='Front' rotation='1 0 0 6.02' translation='0 0.5 2.0'> |
246 | <Transform USE='ShortHorizontal'/> |
247 | </Transform> |
248 | <Transform DEF='Rear' rotation='-1 0 0 6.02' translation='0 .08 -9.9'> |
249 | <Transform USE='ShortHorizontal'/> |
250 | </Transform> |
251 | <Group DEF='TopOfTracks'> |
252 | <Transform translation='0 1.875 -1.335'> |
253 | <Transform rotation='1 0 0 3.14' translation='0.0 0 -6.8'> |
254 | <Transform USE='Horizontal'/> |
255 | </Transform> |
256 | <Transform rotation='1 0 0 3.14' translation='0.0 0 -4.4'> |
257 | <Transform USE='Horizontal'/> |
258 | </Transform> |
259 | <Transform rotation='1 0 0 3.14' translation='0.0 0 -2.0'> |
260 | <Transform USE='Horizontal'/> |
261 | </Transform> |
262 | <Transform rotation='1 0 0 3.14' translation='0.0 0 -1.58'> |
263 | <Transform USE='Horizontal'/> |
264 | </Transform> |
265 | <Transform rotation='1 0 0 3.14' translation='0.0 0 -9.2'> |
266 | <Transform USE='Horizontal'/> |
267 | </Transform> |
268 | <Transform rotation='1 0 0 3.14' translation='0.0 0 0.4'> |
269 | <Transform USE='ShortHorizontal'/> |
270 | </Transform> |
271 | <Transform rotation='1 0 0 3.14' translation='0 0 2'> |
272 |
<!-- ROUTE information for LastSingleTrack node:
[from LastSingleTrackPath.value_changed to set_translation
]
-->
<Transform DEF='LastSingleTrack' translation='0 0 2'> |
273 | <Group USE='SingleTrack'/> |
274 | </Transform> |
275 |
<!-- ROUTE information for LastSingleTrackPath node:
[from CLOCK3.fraction_changed to set_fraction
]
[from value_changed to LastSingleTrack.set_translation
]
-->
<PositionInterpolator DEF='LastSingleTrackPath' key='0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.99' keyValue='0.0 0.0 0.00 0.0 0.0 -0.04 0.0 0.0 -0.08 0.0 0.0 -0.12 0.0 0.0 -0.16 0.0 0.0 -0.20 0.0 0.0 -0.24 0.0 0.0 -0.28 0.0 0.0 -0.32 0.0 0.0 -0.36 0.0 0.0 -0.40'/> |
276 |
<!-- ROUTE information for CLOCK3 node:
[from TrackSensor.isOver to set_enabled
]
[from fraction_changed to LastSingleTrackPath.set_fraction
]
-->
<TimeSensor DEF='CLOCK3' cycleInterval='.5' enabled='false' loop='true'/> |
277 | </Transform> |
278 | </Transform> |
279 | </Group> |
280 | </Group> |
281 | </Transform> |
282 | <Transform translation='-4.75 0 4.8'> |
283 | <Group USE='Track'/> |
284 | </Transform> |
285 | <!-- TrackSensor Route node sets path from TouchSensor to CLOCK. --> |
286 | < ROUTE fromNode='TrackSensor' fromField='isOver' toNode='CLOCK' toField='set_enabled'/> |
287 | <!-- CLOCK Route nodes sets path from TimeSensor to other ROUTES. --> |
288 | < ROUTE fromNode='CLOCK' fromField='fraction_changed' toNode='TRACKPATH' toField='set_fraction'/> |
289 | < ROUTE fromNode='CLOCK' fromField='fraction_changed' toNode='PIVOTPATH1' toField='set_fraction'/> |
290 | < ROUTE fromNode='CLOCK' fromField='fraction_changed' toNode='PIVOTPATH2' toField='set_fraction'/> |
291 | < ROUTE fromNode='CLOCK' fromField='fraction_changed' toNode='WHEELPATH' toField='set_fraction'/> |
292 | <!-- PATH ROUTE nodes path from TimeSensor to moving shapes. --> |
293 | < ROUTE fromNode='TRACKPATH' fromField='value_changed' toNode='Horizontal' toField='set_translation'/> |
294 | < ROUTE fromNode='PIVOTPATH1' fromField='value_changed' toNode='Pivot1' toField='set_rotation'/> |
295 | < ROUTE fromNode='PIVOTPATH1' fromField='value_changed' toNode='Pivot1High' toField='set_rotation'/> |
296 | < ROUTE fromNode='PIVOTPATH2' fromField='value_changed' toNode='Pivot2' toField='set_rotation'/> |
297 | < ROUTE fromNode='PIVOTPATH2' fromField='value_changed' toNode='Pivot2High' toField='set_rotation'/> |
298 | < ROUTE fromNode='WHEELPATH' fromField='value_changed' toNode='RoadWheel' toField='set_rotation'/> |
299 | < ROUTE fromNode='CLOCK2' fromField='fraction_changed' toNode='ShortTRACKPATH' toField='set_fraction'/> |
300 | < ROUTE fromNode='ShortTRACKPATH' fromField='value_changed' toNode='ShortHorizontal' toField='set_translation'/> |
301 | < ROUTE fromNode='CLOCK' fromField='fraction_changed' toNode='ShortTRACKPATH' toField='set_fraction'/> |
302 | < ROUTE fromNode='CLOCK3' fromField='fraction_changed' toNode='LastSingleTrackPath' toField='set_fraction'/> |
303 | < ROUTE fromNode='LastSingleTrackPath' fromField='value_changed' toNode='LastSingleTrack' toField='set_translation'/> |
304 | < ROUTE fromNode='TrackSensor' fromField='isOver' toNode='CLOCK2' toField='set_enabled'/> |
305 | < ROUTE fromNode='TrackSensor' fromField='isOver' toNode='CLOCK3' toField='set_enabled'/> |
306 | </Scene> |
307 | </X3D> |
Event Graph ROUTE Table entries with 18 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.
<!--
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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