{ "X3D": { "encoding":"UTF-8", "@profile":"Immersive", "@version":"3.0", "@xsd:noNamespaceSchemaLocation":"https://www.web3d.org/specifications/x3d-3.0.xsd", "JSON schema":"https://www.web3d.org/specifications/x3d-4.0-JSONSchema.autogenerated.json", "head": { "meta": [ { "@name":"title", "@content":"TSSRPairPrototype.x3d" }, { "@name":"description", "@content":"A pair of Tropo Satellite Support Radios (TSSR) used for short-range (< 20 miles) point-to-point SHF communication. The system designed to support remote equipment and users by replacing long cable runs." }, { "@name":"creator", "@content":"Mike Hunsberger" }, { "@name":"created", "@content":"1 May 2001" }, { "@name":"modified", "@content":"20 October 2019" }, { "@name":"identifier", "@content":"https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/TSSR/TSSRPairPrototype.x3d" }, { "@name":"reference", "@content":"https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/TSSR/TSSRPairExample.x3d" }, { "@name":"generator", "@content":"X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit" }, { "@name":"license", "@content":"../../license.html" }, { "@name":"translated", "@content":"26 March 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":[ { "ExternProtoDeclare": { "@name":"BeamCylinder", "@appinfo":"Produce wireframe or transparent beam cylinders. Typical uses include propeller/thruster water flow or line-of-sight sonar/radar/light beams. Negative range values invert base and apex at same relative location. Default: beam with apex at (0 0 0) and base of radius 1 in x-z plane at (1 0 0).", "@url":["../../CommunicationsAndSensors/Beam/BeamCylinderPrototype.x3d#BeamCylinder","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamCylinderPrototype.x3d#BeamCylinder","../../CommunicationsAndSensors/Beam/BeamCylinderPrototype.wrl#BeamCylinder","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamCylinderPrototype.wrl#BeamCylinder"], "field": [ { "@name":"name", "@accessType":"initializeOnly", "@appinfo":"Assigning a name to a BeamCylinder aids tracing", "@type":"SFString" }, { "@name":"contact", "@accessType":"inputOnly", "@appinfo":"(communications) is transmitted signal in contact with receiver or (sensor) is a target return detected?", "@type":"SFBool" }, { "@name":"range", "@accessType":"inputOnly", "@appinfo":"distance in meters along x axis", "@type":"SFFloat" }, { "@name":"defaultRange", "@accessType":"initializeOnly", "@appinfo":"distance in meters used until eventIn range sent", "@type":"SFFloat" }, { "@name":"wireframe", "@accessType":"initializeOnly", "@appinfo":"whether wireframe beam is drawn", "@type":"SFBool" }, { "@name":"solid", "@accessType":"initializeOnly", "@appinfo":"whether solid beam is drawn", "@type":"SFBool" }, { "@name":"beamHeight", "@accessType":"initializeOnly", "@appinfo":"meters across vertical y axis", "@type":"SFFloat" }, { "@name":"beamWidth", "@accessType":"initializeOnly", "@appinfo":"meters across horizontal z axis", "@type":"SFFloat" }, { "@name":"contactColor", "@accessType":"initializeOnly", "@appinfo":"rendering color when contact=true", "@type":"SFColor" }, { "@name":"noContactColor", "@accessType":"initializeOnly", "@appinfo":"rendering color when contact=false", "@type":"SFColor" }, { "@name":"transparency", "@accessType":"inputOutput", "@appinfo":"1 = fully transparent wireframe only", "@type":"SFFloat" } ] } }, { "#comment":"ExternProtoDeclare definitions must be included verbatim" }, { "#comment":"PROTO consists of two TSSRs for short range (< 5 mile) point-to-point communication. TSSRs eliminate the need for long cable runs. This PROTO allow specification for the initial placement of each TSSR. It automatically calculates the correct angle to complete the link." }, { "ProtoDeclare": { "@name":"TSSRPair", "ProtoInterface": { "field": [ { "@name":"TSSR1Location", "@accessType":"initializeOnly", "@type":"SFVec3f", "@value":[1,1,1] }, { "@name":"TSSR2Location", "@accessType":"initializeOnly", "@type":"SFVec3f", "@value":[0,0,0] } ] }, "ProtoBody": { "-children":[ { "Group": { "-children":[ { "Viewpoint": { "@DEF":"TSSRPairViewpoint", "@description":"TSSR Pair Viewpoint" } }, { "LOD": { "@range":[40000], "-children":[ { "#comment":"TSSR 1 Two Transforms. One in the XZ plane, the second in the XY plane. Inlines for the TSSR body, stand, and the dome pattern." }, { "Transform": { "@DEF":"TSSR1_TRANSFORM", "IS": { "connect": [ { "@nodeField":"translation", "@protoField":"TSSR1Location" } ] }, "-children":[ { "Transform": { "@DEF":"TSSR1_XY_TRANSFORM", "-children":[ { "Inline": { "@DEF":"TSSRBody", "@url":["../../CommunicationsAndSensors/TSSR/TSSRBody.x3d","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/TSSR/TSSRBody.x3d","../../CommunicationsAndSensors/TSSR/TSSRBody.wrl","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/TSSR/TSSRBody.wrl"] } }, { "Transform": { "@DEF":"TSSR1Cone", "@translation":[1,0,0], "-children":[ { "ProtoInstance": { "@name":"BeamCylinder", "@DEF":"TSSR1_BEAMCYLINDER", "fieldValue": [ { "@name":"defaultRange", "@value":10 }, { "@name":"beamHeight", "@value":1 }, { "@name":"beamWidth", "@value":1 }, { "@name":"transparency", "@value":0.2 }, { "@name":"wireframe", "@value":true }, { "@name":"solid", "@value":true }, { "@name":"contactColor", "@value":[0.3,0.5,0.5] }, { "@name":"noContactColor", "@value":[0.8,0.1,0.1] } ] } }, { "LOD": { "@range":[100], "-children":[ { "Transform": { "-children":[ { "Viewpoint": { "@description":"TSSR1 side view" } } ] } }, { "WorldInfo": { "@info":["null node for no rendering when distant"] } } ] } } ] } } ] } }, { "Transform": { "-children":[ { "Inline": { "@DEF":"TSSRStand", "@url":["../../CommunicationsAndSensors/TSSR/TSSRTripod.x3d","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/TSSR/TSSRTripod.x3d","../../CommunicationsAndSensors/TSSR/TSSRTripod.wrl","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/TSSR/TSSRTripod.wrl"] } } ] } } ] } }, { "WorldInfo": { "@info":["null node for no rendering when distant"] } } ] } }, { "LOD": { "@range":[40000], "-children":[ { "#comment":"TSSR 2 Two Transforms. One in the XZ plane, the second in the XY plane. Inlines for the TSSR body, stand, and the dome pattern." }, { "Transform": { "@DEF":"TSSR2_TRANSFORM", "IS": { "connect": [ { "@nodeField":"translation", "@protoField":"TSSR2Location" } ] }, "-children":[ { "Transform": { "@DEF":"TSSR2_XY_TRANSFORM", "-children":[ { "Inline": { "@USE":"TSSRBody" } }, { "Transform": { "@DEF":"TSSR2Cone", "@translation":[1,0,0], "-children":[ { "ProtoInstance": { "@name":"BeamCylinder", "@DEF":"TSSR2_BEAMCYLINDER", "fieldValue": [ { "@name":"defaultRange", "@value":10 }, { "@name":"beamHeight", "@value":1 }, { "@name":"beamWidth", "@value":1 }, { "@name":"transparency", "@value":0.2 }, { "@name":"wireframe", "@value":true }, { "@name":"solid", "@value":true }, { "@name":"contactColor", "@value":[0.3,0.5,0.5] }, { "@name":"noContactColor", "@value":[0.8,0.1,0.1] } ] } }, { "LOD": { "@range":[100], "-children":[ { "Transform": { "-children":[ { "Viewpoint": { "@description":"TSSR2 side view", "@orientation":[0,1,0,3.14], "@position":[0,0,-10] } } ] } }, { "WorldInfo": { "@info":["null node for no rendering when distant"] } } ] } } ] } } ] } }, { "Transform": { "-children":[ { "Inline": { "@USE":"TSSRStand" } } ] } } ] } }, { "WorldInfo": { "@info":["null node for no rendering when distant"] } } ] } }, { "Script": { "@DEF":"TransmitScript", "field": [ { "@name":"transState", "@accessType":"inputOnly", "@type":"SFInt32" }, { "@name":"size", "@accessType":"outputOnly", "@type":"SFVec3f" } ], "#sourceCode":[ "", "", "ecmascript:", "", "function initialize ()", "{", "\tsize = new SFVec3f(100, 100, 100) ;", "\tBrowser.println ('TransmitScript initialize() complete') ;", "}", "", "// function name matches eventIn variable name ('hour')", "// hourValue captures the new value of the ROUTE hour event", "// minutes is just the current field value", "", "function transState (newValue, timestamp)", "{", "\ttransmitState = newValue ;", "\tif (transmitState == 3) {", "\t\tsize = new SFVec3f(10, 10, 10) ;", "\t}", "\telse {", "\t\tsize = new SFVec3f(100, 100, 100) ;", "\t}", "\tBrowser.println ('size\t= ' + size) ;", "}", "", "" ] } }, { "Script": { "@DEF":"TransmitScript2", "field": [ { "@name":"transState", "@accessType":"inputOnly", "@type":"SFInt32" }, { "@name":"size", "@accessType":"outputOnly", "@type":"SFVec3f" } ], "#sourceCode":[ "", "", "ecmascript:", "", "function initialize ()", "{", "\tsize = new SFVec3f(100, 100, 100) ;", "\tBrowser.println ('TransmitScript initialize() complete') ;", "}", "", "// function name matches eventIn variable name ('hour')", "// hourValue captures the new value of the ROUTE hour event", "// minutes is just the current field value", "", "function transState (newValue, timestamp)", "{", "\ttransmitState = newValue ;", "\tif (transmitState == 3) {", "\t\tsize = new SFVec3f(10, 10, 10) ;", "\t}", "\telse {", "\t\tsize = new SFVec3f(100, 100, 100) ;", "\t}", "\tBrowser.println ('size\t= ' + size) ;", "}", "", "" ] } }, { "#comment":"This script is used to calculate the corresponding rotation angles so the TSSRs will be pointed at each other" }, { "Script": { "@DEF":"CalculateAngleScript", "field": [ { "@name":"TSSR1Location", "@accessType":"initializeOnly", "@type":"SFVec3f" }, { "@name":"TSSR2Location", "@accessType":"initializeOnly", "@type":"SFVec3f" }, { "@name":"TSSR1_XZangle", "@accessType":"outputOnly", "@type":"SFRotation" }, { "@name":"TSSR2_XZangle", "@accessType":"outputOnly", "@type":"SFRotation" }, { "@name":"beamScale", "@accessType":"outputOnly", "@type":"SFVec3f" }, { "@name":"beamLength", "@accessType":"outputOnly", "@type":"SFFloat" }, { "@name":"TSSR1_XYangle", "@accessType":"outputOnly", "@type":"SFRotation" }, { "@name":"TSSR2_XYangle", "@accessType":"outputOnly", "@type":"SFRotation" }, { "@name":"LinkEstablished", "@accessType":"outputOnly", "@type":"SFBool" }, { "@name":"ViewpointLocation", "@accessType":"outputOnly", "@type":"SFVec3f" }, { "@name":"ViewpointAngle", "@accessType":"outputOnly", "@type":"SFRotation" } ], "IS": { "connect": [ { "@nodeField":"TSSR1Location", "@protoField":"TSSR1Location" }, { "@nodeField":"TSSR2Location", "@protoField":"TSSR2Location" } ] }, "#sourceCode":[ "", "", "ecmascript:", "", "function initialize ()", "{", "\tBrowser.println ('TSSR1\t=' + TSSR1Location) ;", "\tBrowser.println ('TSSR2\t=' + TSSR2Location) ;", "\tBrowser.println ('TransmitScript initialize() complete') ;", "\tactive = true ;", "\tTSSR1_XZangle\t= new SFRotation(0, 1, 0, 0) ;", "\tTSSR2_XZangle\t= new SFRotation(0, 1, 0, 0) ;", "\tTSSR1_XYangle\t= new SFRotation(0, 0, 1, 0) ;", "\tTSSR2_XYangle\t= new SFRotation(0, 0, 1, 0) ;", "\t", "\tbeamScale\t\t= new SFVec3f ( ) ;", "\tViewpointLocation\t= new SFVec3f ( ) ;", "\tViewpointAngle\t\t= new SFRotation(0, 1, 0, 0) ;", "\tLinkEstablished\t= true;", "\t", "\tcompute(active) ;", "}", "", "", "function compute ( )", "{", "\tcomputeDistance( ) ;", "\tcomputeXZangle( );", "\tViewpointLocation[0] = TSSR1Location[0] ;", "\tViewpointLocation[1] = TSSR1Location[1] + 4;", "\tViewpointLocation[2] = TSSR1Location[2] ;", "\tBrowser.println ('ViewpointLocation\t=' + ViewpointLocation) ;", "\tViewpointAngle[3] = TSSR1_XZangle[3] - Math.PI/2;", "\tBrowser.println ('ViewpointAngle\t=' + ViewpointAngle) ;", "\tcomputeXYangle( ) ;", "\t", "}", "\t", "function computeDistance( ) ", "{", "\tBrowser.println ('TSSR1\t=' + TSSR1Location) ;", "\tBrowser.println ('TSSR2\t=' + TSSR2Location) ;", "\tdeltaX \t= (TSSR2Location[0] - TSSR1Location[0]) ;", "\tdeltaY \t= (TSSR2Location[1] - TSSR1Location[1]) ;", "\tdeltaZ \t= (TSSR2Location[2] - TSSR1Location[2]) ;", "\tdistanceSquared\t= deltaX * deltaX + deltaY * deltaY + deltaZ * deltaZ ;", "\tBrowser.println ('Distance Squared\t=' + distanceSquared) ;", "\tdistance \t= Math.sqrt(distanceSquared) ;", "\tBrowser.println ('Distance\t=' + distance) ;", "", "", "\tbeamScale[0] \t= distance/10;", "\tbeamScale[1]\t= 5;", "\tbeamScale[2]\t= 5;\t", "\tBrowser.println ('BeamScale\t=' + beamScale) ;", "\tbeamLength \t= distance - 2 ;", "\tif (distance > 5000/.6) {", "\t\tLinkEstablished = false;", "\t\tbeamLength = 5000;", "\t}", "}", "", "function computeXZangle( ) ", "{", "\tif (deltaZ == 0) {", "\t\tdeltaZ = .00000001 ;", "\t}", "\t", "\tangle \t= Math.atan(deltaX/deltaZ) ;", "\tif (deltaZ < 0) {", "\t\tTSSR1_XZangle[3] = angle + Math.PI/2;", "\t}", "\telse {", "\t\tTSSR1_XZangle[3] = angle - Math.PI/2;", "\t}", "\tTSSR2_XZangle[3] = TSSR1_XZangle[3] + Math.PI;", "\t", "\tBrowser.println ('Angle\t=' + TSSR1_XZangle[3]) ;", "\tBrowser.println ('Angle2\t=' + TSSR2_XZangle[3]) ;", "}\t", "\t\t", "", "", "function computeXYangle( ) ", "{", "\tangle \t= Math.asin(deltaY/distance) ;", "\tTSSR1_XYangle[3] = angle ;", "\tTSSR2_XYangle[3] = - TSSR1_XYangle[3];", "\t", "\tBrowser.println ('AngleXY\t=' + TSSR1_XYangle[3]) ;", "\tBrowser.println ('Angle2XY\t=' + TSSR2_XYangle[3]) ;", "}", "", "" ] } } ] } }, { "ROUTE": { "@fromField":"TSSR1_XZangle", "@fromNode":"CalculateAngleScript", "@toField":"rotation", "@toNode":"TSSR1_TRANSFORM" } }, { "ROUTE": { "@fromField":"TSSR2_XZangle", "@fromNode":"CalculateAngleScript", "@toField":"rotation", "@toNode":"TSSR2_TRANSFORM" } }, { "ROUTE": { "@fromField":"beamLength", "@fromNode":"CalculateAngleScript", "@toField":"range", "@toNode":"TSSR1_BEAMCYLINDER" } }, { "ROUTE": { "@fromField":"beamLength", "@fromNode":"CalculateAngleScript", "@toField":"range", "@toNode":"TSSR2_BEAMCYLINDER" } }, { "ROUTE": { "@fromField":"TSSR1_XYangle", "@fromNode":"CalculateAngleScript", "@toField":"rotation", "@toNode":"TSSR1_XY_TRANSFORM" } }, { "ROUTE": { "@fromField":"TSSR2_XYangle", "@fromNode":"CalculateAngleScript", "@toField":"rotation", "@toNode":"TSSR2_XY_TRANSFORM" } }, { "ROUTE": { "@fromField":"LinkEstablished", "@fromNode":"CalculateAngleScript", "@toField":"contact", "@toNode":"TSSR1_BEAMCYLINDER" } }, { "ROUTE": { "@fromField":"LinkEstablished", "@fromNode":"CalculateAngleScript", "@toField":"contact", "@toNode":"TSSR2_BEAMCYLINDER" } }, { "ROUTE": { "@fromField":"ViewpointLocation", "@fromNode":"CalculateAngleScript", "@toField":"position", "@toNode":"TSSRPairViewpoint" } }, { "ROUTE": { "@fromField":"ViewpointAngle", "@fromNode":"CalculateAngleScript", "@toField":"orientation", "@toNode":"TSSRPairViewpoint" } } ] } } }, { "#comment":"====================" }, { "WorldInfo": { "@info":["Author: Mike Hunsberger","Revised: 30 April 2001","Purpose: Pair of TSSRs","Browser: CosmoPlayer"], "@title":"AntennaWorld" } }, { "ProtoInstance": { "@name":"TSSRPair", "fieldValue": [ { "@name":"TSSR1Location", "@value":[0,0,0] }, { "@name":"TSSR2Location", "@value":[50,0,50] } ] } }, { "Background": { "@groundAngle":[1.57079], "@groundColor":[1,0.8,0.6,0.6,0.4,0.2], "@skyAngle":[0.2], "@skyColor":[1,1,1,0.2,0.2,1] } } ] } } }