X3D Model Documentation: CanopyPrototype.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='https://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'>
4	<head>
5	<meta name='title' content=' CanopyPrototype.x3d '/>
6	<meta name='description' content='This prototype performs canopy opening and closing.'/>
7	<meta name='creator' content='Etsuko Lippi'/>
8	<meta name='created' content='18 October 2001'/>
9	<meta name='modified' content='16 April 2026'/>
10	<meta name='reference' content='https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/BlueAngelCanopy.jpg '/>
11	<meta name='reference' content='http://www.military.com/Content/MoreContent1?file=aboutba'/>
12	<meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/CanopyPrototype.x3d '/>
13	<meta name='generator' content='X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit'/>
14	<meta name='subject' content='canopy opening and closing, Prototype'/>
15	<meta name='license' content='../../license.html'/>
16	</head>

Event Graph ROUTE Table shows event connections.

--> <!-- DEF nodes index: CanopyColor, CanopyInterpolator, CanopyScript, CanopyTransform, Clock, CockpitFront

Index for Viewpoint node: Viewpoint_1

Index for ProtoDeclare definition: Canopy

17	<Scene>
18	<WorldInfo title='CanopyPrototype.x3d'/>
19	<ProtoDeclare name='Canopy'>
20	<ProtoInterface>
21	<field name='canopyOpen' type='SFBool' accessType='inputOnly' appinfo='boolean eventIn: true = canopy open false = canopy close.'/>
22	<field name='animationStartTime' type='SFTime' accessType='inputOnly'/>
23	<field name='canopyOut' type='SFBool' accessType='outputOnly'/>
24	<field name='traceEnabled' type='SFBool' value='false' accessType='initializeOnly'/>
25	</ProtoInterface>
26	<ProtoBody>
27	<Transform scale='1.4 1 1'>
28	<Viewpoint description='Canopy (click back to open, click front to close)' orientation='0 1 0 -1.57' position='0 0 -4'/>
29	<Transform DEF='CockpitFront' translation='3 0 0'>
30	<Shape>
31	<!-- Appearance CanopyColor is a DEF node that has 1 USE node: USE_1 -->                                    <Appearance DEF='CanopyColor'>
32	<Material diffuseColor='0.3 0.4 0.8' transparency='0.85'/>
33	</Appearance>
34	<IndexedFaceSet creaseAngle='1.8' solid='false' coordIndex='9 300 10 -1 10 300 301 -1 301 306 10 -1 2 308 309 -1'>
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36	</IndexedFaceSet>
37	</Shape>
38	</Transform>
39	<Group>
40	<!-- ROUTE information for CanopyTransform node:  [from CanopyInterpolator.value_changed to set_rotation ] -->                               <Transform DEF='CanopyTransform' center='0 0 -3.5'>
41	<Transform translation='3 0 0'>
42	<Shape>
43	<Appearance USE='CanopyColor'/>
44	<IndexedFaceSet creaseAngle='1.8' solid='false' coordIndex='16 17 112 302 -1 301 304 305 306 -1 306 305 186 179 -1 304 307 257 305 -1 305 257 187 186 -1 302 112 307 304 -1 9 16 302 300 -1 300 302 304 301 -1 17 112 310 -1 112 307 310 -1 307 257 310 -1 257 187 310 -1'>
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46	</IndexedFaceSet>
47	</Shape>
48	</Transform>
49	</Transform>
50	<!-- ROUTE information for CanopyScript node:  [from Clock.fraction_changed to set_fraction ] [from clockStartTime to Clock.set_startTime ] [from canopyOut to Clock.set_enabled ] [from keyValue to CanopyInterpolator.set_keyValue ] -->                               <Script DEF='CanopyScript'>
51	<field name='canopyOpen' type='SFBool' accessType='inputOnly' appinfo='eventIn: boolean true: canopy open false: canopy close'/>
52	<field name='canopyOut' type='SFBool' accessType='outputOnly'/>
53	<field name='keyValue' type='MFRotation' accessType='outputOnly'/>
54	<field name='kV1' type='SFRotation' value='0 1 0 0' accessType='initializeOnly'/>
55	<field name='kV2' type='SFRotation' value='0 1 0 0' accessType='initializeOnly'/>
56	<field name='kV3' type='SFRotation' value='0 1 0 0' accessType='initializeOnly'/>
57	<field name='set_fraction' type='SFFloat' accessType='inputOnly'/>
58	<field name='animationStartTime' type='SFTime' accessType='inputOnly'/>
59	<field name='clockStartTime' type='SFTime' accessType='outputOnly'/>
60	<field name='traceEnabled' type='SFBool' accessType='initializeOnly'/>
61	<IS>
62	<connect nodeField='canopyOpen' protoField='canopyOpen'/>
63	<connect nodeField='animationStartTime' protoField='animationStartTime'/>
64	<connect nodeField='canopyOut' protoField='canopyOut'/>
65	<connect nodeField='traceEnabled' protoField='traceEnabled'/>
66	</IS>
	<![CDATA[ ecmascript: function canopyOpen(value, timeStamp) { if (value == true) //Canopy Open { tracePrint ('[Canopy Open] ' ); tracePrint ('value = ' + value); canapyOut = true; kV1 = new SFRotation (new SFVec3f (1, 0, 0), 0.0); kV2 = new SFRotation (new SFVec3f (1, 0, 0), 0.52); kV3 = new SFRotation(new SFVec3f (1, 0, 0), 0.79); keyValue = new MFRotation(kV1, kV2, kV3); //tracePrint ('[keyValue = ]' + keyValue); } else //Canopy Close { tracePrint ('[Canopy Close] ' ); tracePrint ('value = ' + value); canopyOut = true; keyValue = new MFRotation(kV3, kV2, kV1); //tracePrint ('[keyValue = ]' + keyValue); } } function set_fraction (value, timeStamp) { //tracePrint('time fraction = ' + value); } function animationStartTime(value, timeStamp) { tracePrint('The Start Time is: ' + value); clockStartTime = value; } function tracePrint (outputString) { if (traceEnabled) Browser.println ('[CanopyPrototype] ' + outputString); } ]]>
68	</Script>
69	<!-- ROUTE information for CanopyInterpolator node:  [from CanopyScript.keyValue to set_keyValue ] [from Clock.fraction_changed to set_fraction ] [from value_changed to CanopyTransform.set_rotation ] -->                               <OrientationInterpolator DEF='CanopyInterpolator' key='0 0.5 1.0' keyValue='1 0 0 0.0 1 0 0 0.52 1 0 0 0.79'/>
70	<!-- ROUTE information for Clock node:  [from CanopyScript.clockStartTime to set_startTime ] [from CanopyScript.canopyOut to set_enabled ] [from fraction_changed to CanopyInterpolator.set_fraction ] [from fraction_changed to CanopyScript.set_fraction ] -->                               <TimeSensor DEF='Clock' cycleInterval='4' enabled='true' loop='false'/>
71	< ROUTE  fromNode='CanopyScript' fromField='clockStartTime' toNode='Clock' toField='set_startTime'/>
72	< ROUTE  fromNode='CanopyScript' fromField='canopyOut' toNode='Clock' toField='set_enabled'/>
73	< ROUTE  fromNode='CanopyScript' fromField='keyValue' toNode='CanopyInterpolator' toField='set_keyValue'/>
74	< ROUTE  fromNode='Clock' fromField='fraction_changed' toNode='CanopyInterpolator' toField='set_fraction'/>
75	< ROUTE  fromNode='Clock' fromField='fraction_changed' toNode='CanopyScript' toField='set_fraction'/>
76	< ROUTE  fromNode='CanopyInterpolator' fromField='value_changed' toNode='CanopyTransform' toField='set_rotation'/>
77	</Group>
78	</Transform>
79	</ProtoBody>
80	</ProtoDeclare>
81	<Background skyColor='0.6 0.6 0.6'/>
82	<Anchor description='View CanopyExample model' parameter='"target=_blank"'   url=' "CanopyExample.x3d" "../../AircraftFixedWing/F18BlueAngelUnitedStates/CanopyExample.x3d" "https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/CanopyExample.x3d" "CanopyExample.wrl" "../../AircraftFixedWing/F18BlueAngelUnitedStates/CanopyExample.wrl" "https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/CanopyExample.wrl"'>
83	<!-- X3D-Edit offers Selectable Text design pattern adds transparent Box and TouchSensor description as a user hint -->
84	<Group>
85	<Shape>
86	<Text string='"CanopyPrototype" "is a prototype definition file" "" "To see an example scene" "click on this text and view" "CanopyExample"'>
87	<FontStyle justify='"MIDDLE" "MIDDLE"'/>
88	</Text>
89	<Appearance>
90	<Material diffuseColor='0.9 0.9 0.9'/>
91	</Appearance>
92	</Shape>
93	<Shape>
94	<Box size='16 6 .001'/>
95	<Appearance>
96	<Material transparency='1'/>
97	</Appearance>
98	</Shape>
99	</Group>
100	</Anchor>
101	</Scene>
102	</X3D>

Event Graph ROUTE Table shows event connections.

--> <!-- DEF nodes index: CanopyColor, CanopyInterpolator, CanopyScript, CanopyTransform, Clock, CockpitFront

Index for Viewpoint node: Viewpoint_1

Index for ProtoDeclare definition: Canopy

X3D Tooltips element index: Anchor, Appearance, Background, Box, connect, Coordinate, field, FontStyle, Group, head, IndexedFaceSet, IS, Material, meta, OrientationInterpolator, ProtoBody, ProtoDeclare, ProtoInterface, ROUTE, Scene, Script, Shape, Text, TimeSensor, Transform, Viewpoint, WorldInfo, X3D,
plus documentation for accessType definitions, type definitions, XML data types, and field types

<!-- Online at
https://www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/CanopyPrototypeIndex.html -->
<!-- Version control at    
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Savage/AircraftFixedWing/F18BlueAngelUnitedStates/CanopyPrototype.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)
    <ProtoDeclare name='ProtoName'> <field name='fieldName'/> </ProtoDeclare> -->

<!-- For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints. -->