{ "X3D": { "encoding":"UTF-8", "@profile":"Immersive", "@version":"3.1", "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.1.xsd", "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json", "head": { "meta": [ { "@name":"title", "@content":"BollardHydraulicSecurityPrototype.x3d" }, { "@name":"description", "@content":"Rising/retractable security bollard" }, { "@name":"creator", "@content":"Don Brutzman and MV4205 Advanced XML class" }, { "@name":"created", "@content":"30 May 2007" }, { "@name":"modified", "@content":"20 October 2019" }, { "@name":"reference", "@content":"http://www.atgaccess.com" }, { "@name":"warning", "@content":"under development, initial functionality completed. TODO: add SMALL metadata. TODO: how to string together multiple bollards - add fields for spacing and count?" }, { "@name":"identifier", "@content":"https://www.web3d.org/x3d/content/examples/Savage/Buildings/SecurityPerimeter/BollardHydraulicSecurityPrototype.x3d" }, { "@name":"generator", "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit" }, { "@name":"license", "@content":"../../license.html" }, { "@name":"translated", "@content":"21 April 2026" }, { "@name":"generator", "@content":"X3dToJson.xslt, https://www.web3d.org/x3d/stylesheets/X3dToJson.html" }, { "@name":"reference", "@content":"X3D JSON encoding: https://www.web3d.org/wiki/index.php/X3D_JSON_Encoding" } ] }, "Scene": { "-children":[ { "WorldInfo": { "@title":"BollardHydraulicSecurityPrototype.x3d" } }, { "ProtoDeclare": { "@name":"BollardHydraulicSecurity", "@appinfo":"A security bollard can be raised or lowered to prevent vehicle access by blocking a road. Usually multiple bollards are installed side by side raised and lowered together.", "ProtoInterface": { "field": [ { "@name":"radius", "@accessType":"initializeOnly", "@type":"SFFloat", "@value":0.2 }, { "@name":"height", "@accessType":"initializeOnly", "@type":"SFFloat", "@value":1 }, { "@name":"textureUrl", "@accessType":"inputOutput", "@type":"MFString" }, { "@name":"diffuseColor", "@accessType":"inputOutput", "@type":"SFColor", "@value":[1,1,0] }, { "@name":"raise", "@accessType":"inputOnly", "@appinfo":"Command to raise the bollard.", "@type":"SFBool" }, { "@name":"lower", "@accessType":"inputOnly", "@appinfo":"Command to lower the bollard.", "@type":"SFBool" }, { "@name":"isRaised", "@accessType":"outputOnly", "@appinfo":"Notification event sent when bollard is fully raised.", "@type":"SFBool" }, { "@name":"isLowered", "@accessType":"outputOnly", "@appinfo":"Notification event sent when bollard is fully lowered.", "@type":"SFBool" } ], "-children":[ { "#comment":"TODO: add TimeDelaySensor nodes to report completion by the following output fields" } ] }, "ProtoBody": { "-children":[ { "Transform": { "@DEF":"BollardTransform", "-children":[ { "#comment":"first Cylinder displays only the sides, with an optional texture applied" }, { "Shape": { "-geometry": { "Cylinder": { "@bottom":false, "@top":false, "IS": { "connect": [ { "@nodeField":"radius", "@protoField":"radius" }, { "@nodeField":"height", "@protoField":"height" } ] } } }, "-appearance": { "Appearance": { "-material": { "Material": { "@DEF":"CylinderMaterial", "IS": { "connect": [ { "@nodeField":"diffuseColor", "@protoField":"diffuseColor" } ] } } }, "-texture": { "ImageTexture": { "IS": { "connect": [ { "@nodeField":"url", "@protoField":"textureUrl" } ] } } } } } } }, { "#comment":"second Cylinder displays only the top and bottom, which do not have the optional texture applied" }, { "Shape": { "-geometry": { "Cylinder": { "@side":false, "IS": { "connect": [ { "@nodeField":"radius", "@protoField":"radius" }, { "@nodeField":"height", "@protoField":"height" } ] } } }, "-appearance": { "Appearance": { "-material": { "Material": { "@USE":"CylinderMaterial" } } } } } } ] } }, { "#comment":"only the first node in a prototype body is rendered, the others are carried along for the ride" }, { "PositionInterpolator": { "@DEF":"HeightInterpolator", "@key":[0,1], "@keyValue":[0,-0.5,0,0,0.5,0] } }, { "ROUTE": { "@fromField":"value_changed", "@fromNode":"HeightInterpolator", "@toField":"set_translation", "@toNode":"BollardTransform" } }, { "#comment":"========= setup ===========" }, { "#comment":"this Script initializes our PositionInterpolator to proper start/stop heights. Also initializes BollardTransform translation to the correct height." }, { "Script": { "@DEF":"HeightTypeConversion", "@directOutput":true, "field": [ { "@name":"height", "@accessType":"initializeOnly", "@type":"SFFloat" }, { "@name":"initialTranslation", "@accessType":"outputOnly", "@type":"SFVec3f" }, { "@name":"PI", "@accessType":"initializeOnly", "@type":"SFNode", "-children":[ { "PositionInterpolator": { "@USE":"HeightInterpolator" } } ] } ], "IS": { "connect": [ { "@nodeField":"height", "@protoField":"height" } ] }, "#sourceCode":[ "", "", "ecmascript:", "", "function initialize ()", "{", "\t// set initial Transform translation value to the correct height", "\tinitialTranslation = new SFVec3f (0, -(height / 2), 0); // output event", "\tfinalTranslation = new SFVec3f (0, (height / 2), 0);", "//\tBrowser.println ('initialTranslation=' + initialTranslation);", "", "\t// customize PositionInterpolator to move correct vertical distance", "\tPI.keyValue = new MFVec3f (initialTranslation, finalTranslation);", "//\tBrowser.println ('PI.keyValue=' + PI.keyValue);", "}", "", "" ] } }, { "ROUTE": { "@fromField":"initialTranslation", "@fromNode":"HeightTypeConversion", "@toField":"set_translation", "@toNode":"BollardTransform" } }, { "#comment":"========= raise ===========" }, { "TimeSensor": { "@DEF":"RaiseBollardClock", "@cycleInterval":5 } }, { "#comment":"alternative approach (shown below) replaces this script with a BooleanFilter plus TimeTrigger (to convert SFBool to SFTime)" }, { "Script": { "@DEF":"ClockScript", "field": [ { "@name":"raise", "@accessType":"inputOnly", "@type":"SFBool" }, { "@name":"startRaising", "@accessType":"outputOnly", "@type":"SFTime" } ], "IS": { "connect": [ { "@nodeField":"raise", "@protoField":"raise" } ] }, "#sourceCode":[ "", "", "ecmascript:", "", "function raise (value, timestamp)", "{", "\tstartRaising = timestamp;", "}", "", "" ] } }, { "ROUTE": { "@fromField":"fraction_changed", "@fromNode":"RaiseBollardClock", "@toField":"set_fraction", "@toNode":"HeightInterpolator" } }, { "ROUTE": { "@fromField":"startRaising", "@fromNode":"ClockScript", "@toField":"startTime", "@toNode":"RaiseBollardClock" } }, { "#comment":"========= lower ===========" }, { "ScalarInterpolator": { "@DEF":"FractionReverser", "@key":[0,1], "@keyValue":[1,0] } }, { "TimeSensor": { "@DEF":"LowerBollardClock", "@cycleInterval":5 } }, { "TimeTrigger": { "@DEF":"LowerTimeTrigger" } }, { "BooleanFilter": { "@DEF":"StartLoweringFilter", "IS": { "connect": [ { "@nodeField":"set_boolean", "@protoField":"lower" } ] } } }, { "ROUTE": { "@fromField":"value_changed", "@fromNode":"FractionReverser", "@toField":"set_fraction", "@toNode":"HeightInterpolator" } }, { "ROUTE": { "@fromField":"fraction_changed", "@fromNode":"LowerBollardClock", "@toField":"set_fraction", "@toNode":"FractionReverser" } }, { "ROUTE": { "@fromField":"triggerTime", "@fromNode":"LowerTimeTrigger", "@toField":"set_startTime", "@toNode":"LowerBollardClock" } }, { "ROUTE": { "@fromField":"inputTrue", "@fromNode":"StartLoweringFilter", "@toField":"set_boolean", "@toNode":"LowerTimeTrigger" } } ] } } }, { "#comment":"====================" }, { "Viewpoint": { "@description":"Bollard view", "@position":[0,0,6] } }, { "#comment":"test locally during development, once complete we split this out into a separate Example scene." }, { "ProtoInstance": { "@name":"BollardHydraulicSecurity", "@DEF":"Bollard", "fieldValue": [ { "@name":"height", "@value":0.85 }, { "@name":"radius", "@value":0.2 }, { "@name":"textureUrl", "@value":["fan.png"] } ] } }, { "Shape": { "@DEF":"GroundLevel", "-geometry": { "Box": { "@size":[10,0.01,10] } } } }, { "Transform": { "@DEF":"RaiseInterface", "@translation":[-2,-1,0], "-children":[ { "Shape": { "-geometry": { "Text": { "@string":["Click to","raise"], "-fontStyle": { "FontStyle": { "@justify":["MIDDLE","MIDDLE"], "@size":0.3 } } } } } }, { "Shape": { "-geometry": { "Box": { "@size":[3,2,0.01] } }, "-appearance": { "Appearance": { "-material": { "Material": { "@transparency":1 } } } } } }, { "TouchSensor": { "@DEF":"ClickToRaiseBollard", "@description":"click to raise bollard" } }, { "ROUTE": { "@fromField":"isActive", "@fromNode":"ClickToRaiseBollard", "@toField":"raise", "@toNode":"Bollard" } } ] } }, { "Transform": { "@DEF":"LowerInterface", "@translation":[2,-1,0], "-children":[ { "Shape": { "-geometry": { "Text": { "@string":["Click to","lower"], "-fontStyle": { "FontStyle": { "@justify":["MIDDLE","MIDDLE"], "@size":0.3 } } } } } }, { "Shape": { "-geometry": { "Box": { "@size":[3,2,0.01] } }, "-appearance": { "Appearance": { "-material": { "Material": { "@transparency":1 } } } } } }, { "TouchSensor": { "@DEF":"ClickToLowerBollard", "@description":"click tolower bollard" } }, { "ROUTE": { "@fromField":"isActive", "@fromNode":"ClickToLowerBollard", "@toField":"lower", "@toNode":"Bollard" } } ] } } ] } } }