<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<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'>
<head>
<meta name='title' content='ExecutionModel.x3d'/>
<meta name='description' content='X3D encodings example: execution model demonstrated. Click ball to see script-generated text appear.'/>
<meta name='creator' content='Don Brutzman and Joe Williams'/>
<meta name='created' content='1 June 2002'/>
<meta name='modified' content='28 October 2019'/>
<meta name='specificationSection' content='X3D encodings, ISO/IEC 19776-1.3, Part 1: XML encoding, Annex C.19 Execution model'/>
<meta name='specificationUrl' content='https://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/examples.html#ExecutionModel'/>
<meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ExecutionModel.x3d'/>
<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content='../license.html'/>
</head> <!--
to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: Collector, Result, Script1, Script2, Script3, Script4, Script5, Script6, Script7, TS
Index for Viewpoint node: Viewpoint_1
-->
X3D Tooltips element index: Appearance, field, head, Material, meta, ROUTE, Scene, Script, Shape, Sphere, Text, TouchSensor, Transform, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

<Scene>
<WorldInfo title='ExecutionModel.x3d'/>
<!-- ROUTE information for TS node:  [from touchTime to Script1.touchTime ] -->
 <TouchSensor DEF='TS' description='click to animate'/>

<!-- ROUTE information for Script1 node:  [from TS.touchTime to touchTime ] [from toScript2 to Script2.fromScript1 ] [from toScript3 to Script3.fromScript1 ] [from string to Collector.fromString ] -->
 <Script DEF='Script1'>
<field name='touchTime' type='SFTime' accessType='inputOnly'/>
<field name='toScript2' type='SFBool' accessType='outputOnly'/>
<field name='toScript3' type='SFBool' accessType='outputOnly'/>
<field name='string' type='SFString' accessType='outputOnly'/>
<![CDATA[ 
      
ecmascript:
      function touchTime() {
        toScript2 = true;
      }
      function eventsProcessed() {
        string = 'Script1.eventsProcessed';
        toScript3 = true;
      }
]]>
</Script>
<!-- ROUTE information for Script2 node:  [from Script1.toScript2 to fromScript1 ] [from toScript4 to Script4.fromScript2 ] [from string to Collector.fromString ] -->
 <Script DEF='Script2'>
<field name='fromScript1' type='SFBool' accessType='inputOnly'/>
<field name='toScript4' type='SFBool' accessType='outputOnly'/>
<field name='string' type='SFString' accessType='outputOnly'/>
<![CDATA[ 
      
ecmascript:
      function fromScript1() {
      }
      function eventsProcessed() {
        string = 'Script2.eventsProcessed';
        toScript4 = true;
      }
]]>
</Script>
<!-- ROUTE information for Script3 node:  [from Script1.toScript3 to fromScript1 ] [from toScript5 to Script5.fromScript3 ] [from toScript6 to Script6.fromScript3 ] [from string to Collector.fromString ] -->
 <Script DEF='Script3'>
<field name='fromScript1' type='SFBool' accessType='inputOnly'/>
<field name='toScript5' type='SFBool' accessType='outputOnly'/>
<field name='toScript6' type='SFBool' accessType='outputOnly'/>
<field name='string' type='SFString' accessType='outputOnly'/>
<![CDATA[ 
      
ecmascript:
      function fromScript1() {
        toScript5 = true;
      }
      function eventsProcessed() {
        string = 'Script3.eventsProcessed';
        toScript6 = true;
      }
]]>
</Script>
<!-- ROUTE information for Script4 node:  [from Script2.toScript4 to fromScript2 ] -->
 <Script DEF='Script4'>
<field name='fromScript2' type='SFBool' accessType='inputOnly'/>
<![CDATA[ 
      
ecmascript:
      function fromScript2() {
      }
]]>
</Script>
<!-- ROUTE information for Script5 node:  [from Script3.toScript5 to fromScript3 ] -->
 <Script DEF='Script5'>
<field name='fromScript3' type='SFBool' accessType='inputOnly'/>
<![CDATA[ 
      
ecmascript:
       function fromScript3() {
      }
]]>
</Script>
<!-- ROUTE information for Script6 node:  [from Script3.toScript6 to fromScript3 ] [from toScript7 to Script7.fromScript6 ] [from string to Collector.fromString ] -->
 <Script DEF='Script6'>
<field name='fromScript3' type='SFBool' accessType='inputOnly'/>
<field name='toScript7' type='SFBool' accessType='outputOnly'/>
<field name='string' type='SFString' accessType='outputOnly'/>
<![CDATA[ 
      
ecmascript:
      function fromScript3() {
        toScript7 = true;
      }
      function eventsProcessed() {
        string = 'Script6.eventsProcessed';
      }
]]>
</Script>
<!-- ROUTE information for Script7 node:  [from Script6.toScript7 to fromScript6 ] -->
 <Script DEF='Script7'>
<field name='fromScript6' type='SFBool' accessType='inputOnly'/>
<![CDATA[ 
      
ecmascript:
      function fromScript6 () {
      }
]]>
</Script>
<!-- Display the results -->
<!-- ROUTE information for Collector node:  [from Script1.string to fromString ] [from Script2.string to fromString ] [from Script3.string to fromString ] [from Script6.string to fromString ] [from string to Result.string ] -->
 <Script DEF='Collector'>
<field name='string' type='MFString' accessType='outputOnly'/>
<field name='fromString' type='SFString' accessType='inputOnly'/>
<![CDATA[ 
      
ecmascript:
      function initialize() {
        string[0] = 'Event Sequence:';
      }
      function fromString(s) {
        i = string.length;
        string[i] = ' ( ' + i + ' ) ' + s + ' occurred';
      }
]]>
</Script>
<Transform translation='0 2 0'>
<Shape>
<Appearance>
<Material diffuseColor='0 0.6 0'/>
</Appearance>
<Sphere/>
</Shape>
</Transform>
<Shape>
<!-- ROUTE information for Result node:  [from Collector.string to string ] -->
 <Text DEF='Result'/>

<Appearance>
<Material diffuseColor='0.101961 0.839216 1'/>
</Appearance>
</Shape>
<Viewpoint description='Execution model example' position='7 -1 18'/>
< ROUTE  fromNode='TS' fromField='touchTime' toNode='Script1' toField='touchTime'/>
< ROUTE  fromNode='Script1' fromField='toScript2' toNode='Script2' toField='fromScript1'/>
< ROUTE  fromNode='Script1' fromField='toScript3' toNode='Script3' toField='fromScript1'/>
< ROUTE  fromNode='Script2' fromField='toScript4' toNode='Script4' toField='fromScript2'/>
< ROUTE  fromNode='Script3' fromField='toScript5' toNode='Script5' toField='fromScript3'/>
< ROUTE  fromNode='Script3' fromField='toScript6' toNode='Script6' toField='fromScript3'/>
< ROUTE  fromNode='Script6' fromField='toScript7' toNode='Script7' toField='fromScript6'/>
< ROUTE  fromNode='Script1' fromField='string' toNode='Collector' toField='fromString'/>
< ROUTE  fromNode='Script2' fromField='string' toNode='Collector' toField='fromString'/>
< ROUTE  fromNode='Script3' fromField='string' toNode='Collector' toField='fromString'/>
< ROUTE  fromNode='Script6' fromField='string' toNode='Collector' toField='fromString'/>
< ROUTE  fromNode='Collector' fromField='string' toNode='Result' toField='string'/>
</Scene>
</X3D> <!--
to top <!-- Index for DEF nodes: Collector, Result, Script1, Script2, Script3, Script4, Script5, Script6, Script7, TS
Index for Viewpoint node: Viewpoint_1
-->

Event Graph ROUTE Table entries with 12 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.

TS
TouchSensor
touchTime
SFTime
→
ROUTE
event to
(1)
Script1
Script
touchTime
SFTime 		then
 
 
  		Script1
Script
string
SFString
→
ROUTE
event to
(2)
Collector
Script
fromString
SFString 		then
 
 
  		Collector
Script
string
MFString
→
ROUTE
event to
(3)
Result
Text
string
MFString
  then
 
 
  		Script1
Script
toScript2
SFBool
→
ROUTE
event to
(2)
Script2
Script
fromScript1
SFBool 		then
 
 
  		Script2
Script
string
SFString
→
ROUTE
event to
(3)
Collector
Script
fromString
SFString 		then
 
 
  		Collector
Script
string
MFString
→
ROUTE
event to
(4)
Result
Text
string
MFString
  then
 
 
  		Script2
Script
toScript4
SFBool
→
ROUTE
event to
(3)
Script4
Script
fromScript2
SFBool
  then
 
 
  		Script1
Script
toScript3
SFBool
→
ROUTE
event to
(2)
Script3
Script
fromScript1
SFBool 		then
 
 
  		Script3
Script
string
SFString
→
ROUTE
event to
(3)
Collector
Script
fromString
SFString 		then
 
 
  		Collector
Script
string
MFString
→
ROUTE
event to
(4)
Result
Text
string
MFString
  then
 
 
  		Script3
Script
toScript5
SFBool
→
ROUTE
event to
(3)
Script5
Script
fromScript3
SFBool
  then
 
 
  		Script3
Script
toScript6
SFBool
→
ROUTE
event to
(3)
Script6
Script
fromScript3
SFBool 		then
 
 
  		Script6
Script
string
SFString
→
ROUTE
event to
(4)
Collector
Script
fromString
SFString 		then
 
 
  		Collector
Script
string
MFString
→
ROUTE
event to
(5)
Result
Text
string
MFString
  then
 
 
  		Script6
Script
toScript7
SFBool
→
ROUTE
event to
(4)
Script7
Script
fromScript6
SFBool

      Collector
Script
string
MFString
→
ROUTE
event to
(1)
Result
Text
string
MFString

-->
<!-- Online at
https://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ExecutionModelIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ExecutionModel.x3d -->

<!-- Color 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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