#################################################################################################### # # Invoking X3D model self-test: # # $ python BeamHemisphereExample.py # # Python package x3d.py package is available on PyPI for import. # This approach simplifies Python X3D deployment and use. # https://pypi.org/project/x3d # # Installation: # pip install x3d # or # python -m pip install x3d # # Developer options for loading x3d package in other Python programs: # # from x3d import * # preferred approach, terser source that avoids x3d.* class prefixes # # or # import x3d # traditional way to subclass x3d package, all classes require x3d.* prefix, # # but python source is very verbose, for example x3d.Material x3d.Shape etc. # # X3dToPython.xslt stylesheet insertPackagePrefix=true supports this option. # # Project home page: # X3D Python Scene Access Interface Library (X3DPSAIL) # # https://www.web3d.org/x3d/stylesheets/python/python.html # Conversion generator: # https://www.web3d.org/x3d/stylesheets/X3dToPython.xslt # #################################################################################################### from x3d import * newModel=X3D(profile='Immersive',version='3.3', head=head( children=[ meta(content='BeamHemisphereExample.x3d',name='title'), meta(content='Don Brutzman',name='creator'), meta(content='29 January 2003',name='created'), meta(content='20 October 2019',name='modified'), meta(content='Produce wireframe or transparent beam hemispheres.',name='description'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamHemisphereExample.x3d',name='identifier'), meta(content='X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit',name='generator'), meta(content='../../license.html',name='license')]), Scene=Scene( children=[ Background(groundAngle=[1.57079],groundColor=[(0,0.15,0.25),(0,0.15,0.25)],skyColor=[(0,0.3,0.5)]), WorldInfo(info=["Produce wireframe or transparent beam hemisphere"],title='BeamHemispherePrototype'), Viewpoint(description='BeamHemisphere example'), Viewpoint(description='BeamHemisphere example from above',orientation=(1,0,0,-1.570796),position=(0,10,0)), ExternProtoDeclare(appinfo='Produce wireframe or transparent beam hemisphere. Typical uses include sonar/radar/light beams. Negative range values invert base and apex at same relative location. Default: hemisphere with centroid at (0 0 0) and radius 1 atop x-z plane.',name='BeamHemisphere',url=["BeamHemispherePrototype.x3d#BeamHemisphere","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamHemispherePrototype.x3d#BeamHemisphere","BeamHemispherePrototype.wrl#BeamHemisphere","https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamHemispherePrototype.wrl#BeamHemisphere"], field=[ field(accessType='initializeOnly',appinfo='Assigning a name to a BeamHemisphere aids tracing',name='name',type='SFString'), field(accessType='inputOnly',appinfo='(communications) is transmitted signal in contact with receiver or (sensor) is a target return detected?',name='contact',type='SFBool'), field(accessType='inputOnly',appinfo='distance in meters along x axis',name='range',type='SFFloat'), field(accessType='initializeOnly',appinfo='distance in meters used until eventIn range sent',name='defaultRange',type='SFFloat'), field(accessType='initializeOnly',appinfo='whether wireframe beam is drawn',name='wireframe',type='SFBool'), field(accessType='initializeOnly',appinfo='whether solid beam is drawn',name='solid',type='SFBool'), field(accessType='initializeOnly',appinfo='rendering color when contact=true',name='contactColor',type='SFColor'), field(accessType='initializeOnly',appinfo='rendering color when contact=false',name='noContactColor',type='SFColor'), field(accessType='inputOutput',appinfo='1 = fully transparent wireframe only',name='transparency',type='SFFloat')]), Comment('Viewable geometry for this scene'), Group( children=[ ProtoInstance(DEF='BeamHemisphereInstance',name='BeamHemisphere', fieldValue=[ fieldValue(name='name',value='BeamHemisphereInstance'), fieldValue(name='defaultRange',value=10), fieldValue(name='transparency',value=0.2), fieldValue(name='wireframe',value=True), fieldValue(name='solid',value=True)]), Transform(translation=(0,-3,0), children=[ Billboard( children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(.8,.8,0))), geometry=Text(string=["touch text to toggle contact-mode rendering"], fontStyle=FontStyle(justify=["MIDDLE","MIDDLE"],size=0.6))), Shape( # transparent Box as text-selection assist geometry=Box(size=(9,1,.001)), appearance=Appearance( material=Material(transparency=1))), TouchSensor(DEF='TextTouch',description='Hover over text to activate contact mode'), ROUTE(fromField='isOver',fromNode='TextTouch',toField='contact',toNode='BeamHemisphereInstance')])])]), Group(DEF='AnimationGroup', children=[ TimeSensor(DEF='Clock',cycleInterval=10,loop=True), ScalarInterpolator(DEF='RangeInterpolator',key=[0,.4,.4,.5,.5,.9,.9,1],keyValue=[0.01,4,0,0,-0.01,-4,0,0]), ROUTE(fromField='fraction_changed',fromNode='Clock',toField='set_fraction',toNode='RangeInterpolator'), ROUTE(fromField='value_changed',fromNode='RangeInterpolator',toField='range',toNode='BeamHemisphereInstance'), Comment('=========='), ScalarInterpolator(DEF='TransparencyInterpolator',key=[0,.4,.4,.5,.5,.9,.9,1],keyValue=[0,1,1,1,0,1,1,1]), ROUTE(fromField='fraction_changed',fromNode='Clock',toField='set_fraction',toNode='TransparencyInterpolator'), ROUTE(fromField='value_changed',fromNode='TransparencyInterpolator',toField='transparency',toNode='BeamHemisphereInstance')])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for BeamHemisphereExample.py:') if metaDiagnostics(newModel): # built-in utility method in X3D class print(metaDiagnostics(newModel)) # display meta info, hint, warning, error, TODO values in this model # print('check newModel.XML() serialization...') newModelXML= newModel.XML() # test export method XML() for exceptions during export newModel.XMLvalidate() # print(newModelXML) # diagnostic try: # print('check newModel.VRML() serialization...') newModelVRML=newModel.VRML() # test export method VRML() for exceptions during export # print(prependLineNumbers(newModelVRML)) # debug print("Python-to-VRML export of VRML output successful", flush=True) except Exception as err: # usually BaseException # https://stackoverflow.com/questions/18176602/how-to-get-the-name-of-an-exception-that-was-caught-in-python print("*** Python-to-VRML export of VRML output failed:", type(err).__name__, err) if newModelVRML: # may have failed to generate print(prependLineNumbers(newModelVRML, err.lineno)) try: # print('check newModel.JSON() serialization...') newModelJSON=newModel.JSON() # test export method JSON() for exceptions during export # print(prependLineNumbers(newModelJSON)) # debug print("Python-to-JSON export of JSON output successful (under development)") except Exception as err: # usually SyntaxError print("*** Python-to-JSON export of JSON output failed:", type(err).__name__, err) if newModelJSON: # may have failed to generate print(prependLineNumbers(newModelJSON,err.lineno)) print("python BeamHemisphereExample.py load and self-test diagnostics complete.")