Chopper.x3d (X3dToXhtml listing)

X3D Model Documentation: Chopper.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='Immersive' 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='Chopper.x3d'/>
6	<meta name='description' content='Rotor node provides animation and serves as an ExternProtoDeclare example'/>
7	<meta name='creator' content='Don Brutzman and Joe Williams'/>
8	<meta name='created' content='1 June 2002'/>
9	<meta name='modified' content='28 October 2019'/>
10	<meta name='specificationSection' content='X3D encodings, ISO/IEC 19776-1.3, Part 1: XML encoding, Annex C.16 Chopper'/>
11	<meta name='specificationUrl' content='https://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/examples.html#Chopper'/>
12	<meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/Chopper.x3d'/>
13	<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
14	<meta name='license' content='../license.html'/>
15	</head>

<!--

Event Graph ROUTE Table shows event connections.

-->

<!--

Index for DEF nodes: MikesChopper, RotorScript, Top, Touch

Index for Viewpoint node: Viewpoint_1

Index for ExternProtoDeclare definition: Rotor

Index for ProtoDeclare definition: Chopper

-->

16	<Scene>
17	<WorldInfo title='Chopper.x3d'/>
18	<ExternProtoDeclare name='Rotor' url=' "Rotor.x3d#Rotor" "https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/Rotor.x3d#Rotor" "Rotor.wrl#Rotor" "https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/Rotor.wrl#Rotor" '>
19	<field name='rate' type='SFTime' accessType='initializeOnly'/>
20	<field name='children' type='MFNode' accessType='initializeOnly'/>
21	<field name='startTime' type='SFTime' accessType='inputOutput'/>
22	<field name='stopTime' type='SFTime' accessType='inputOutput'/>
23	</ExternProtoDeclare>
24	<ProtoDeclare name='Chopper'>
25	<ProtoInterface>
26	<field name='rotorSpeed' type='SFTime' value='1' accessType='initializeOnly'/>
27	</ProtoInterface>
28	<ProtoBody>
29	<Group>
30	<!-- ROUTE information for Touch node: [from touchTime to RotorScript.startOrStopEngine ] --> <TouchSensor DEF='Touch' description='touch to toggle rotor rotation'/>
31	<Inline url=' "ChopperBody.x3d" "https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ChopperBody.x3d" "ChopperBody.wrl" "https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ChopperBody.wrl" '/>
32	<!-- ROUTE information for Top node: [from RotorScript.startEngine to startTime ] [from RotorScript.stopEngine to stopTime ] --> <ProtoInstance name='Rotor' DEF='Top'>
33	<fieldValue name='stopTime' value='1'/>
34	<fieldValue name='children'>
35	<Inline url=' "ChopperRotor.x3d" "https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ChopperRotor.x3d" "ChopperRotor.wrl" "https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ChopperRotor.wrl" '/>
36	</fieldValue>
37	<IS>
38	<connect nodeField='rate' protoField='rotorSpeed'/>
39	</IS>
40	</ProtoInstance>
41	</Group>
42	<!-- after first node in ProtoDeclare, remainder of nodes do not render -->
43	<!-- ROUTE information for RotorScript node: [from Touch.touchTime to startOrStopEngine ] [from startEngine to Top.startTime ] [from stopEngine to Top.stopTime ] --> <Script DEF='RotorScript'>
44	<field name='startOrStopEngine' type='SFTime' accessType='inputOnly'/>
45	<field name='startEngine' type='SFTime' accessType='outputOnly'/>
46	<field name='stopEngine' type='SFTime' accessType='outputOnly'/>
47	<field name='engineStarted' type='SFBool' value='false' accessType='initializeOnly'/>
	`<![CDATA[` ecmascript: function startOrStopEngine(value) { // start or stop engine: if (!engineStarted) { startEngine = value; engineStarted = true; } else { stopEngine = value; engineStarted = false; } } `]]>`
49	</Script>
50	< ROUTE fromNode='Touch' fromField='touchTime' toNode='RotorScript' toField='startOrStopEngine'/>
51	< ROUTE fromNode='RotorScript' fromField='startEngine' toNode='Top' toField='startTime'/>
52	< ROUTE fromNode='RotorScript' fromField='stopEngine' toNode='Top' toField='stopTime'/>
53	</ProtoBody>
54	</ProtoDeclare>
55	<Viewpoint description='Example16' position='0 0 5'/>
56	<Group>
57	<ProtoInstance name='Chopper' DEF='MikesChopper'/>
58	</Group>
59	</Scene>
60	</X3D>

<!--

Event Graph ROUTE Table shows event connections.

-->

<!--

Index for DEF nodes: MikesChopper, RotorScript, Top, Touch

Index for Viewpoint node: Viewpoint_1

Index for ExternProtoDeclare definition: Rotor

Index for ProtoDeclare definition: Chopper

-->

X3D Tooltips element index: connect, ExternProtoDeclare, field, fieldValue, Group, head, Inline, IS, meta, ProtoBody, ProtoDeclare, ProtoInstance, ProtoInterface, ROUTE, Scene, Script, TouchSensor, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table entries with 3 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.

Touch TouchSensor touchTime SFTime	→ ROUTE event to (1)	RotorScript Script startOrStopEngine SFTime	then	RotorScript Script startEngine SFTime	→ ROUTE event to (2)	Top ProtoInstance startTime SFTime
			then	RotorScript Script stopEngine SFTime	→ ROUTE event to (2)	Top ProtoInstance stopTime SFTime

MikesChopper
ProtoInstance
Chopper

No ROUTE connection found for output events from this node.
This ProtoInstance contains SFNode/MFNode fieldValue declarations with
direct access to other nodes, and thus has potential to produce run-time animation.

Additional guidance on X3D animation can be found in the 10-Step Animation Design Process and Event Tracing hint sheets. Have fun with X3D! 😀

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