#################################################################################################### # # Invoking X3D model self-test: # # $ python SharkLeftyLocale.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='SharkLeftyLocale.x3d',name='title'), meta(content='Lefty Shark with animation to traverse the tank',name='description'), meta(content='Tim McLean',name='creator'), meta(content='Don Brutzman',name='translator'), meta(content='1 June 1998',name='created'), meta(content='20 October 2019',name='modified'), meta(content='http://faculty.nps.edu/brutzman/kelp',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/KelpForestExhibit/SharkLeftyLocale.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=[ WorldInfo(title='SharkLeftyLocale.x3d'), Transform(DEF='_0',translation=(0.0,-5.5,-1.0), children=[ Inline(url=["SharkLefty.x3d","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/KelpForestExhibit/SharkLefty.x3d","SharkLefty.wrl","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/KelpForestExhibit/SharkLefty.wrl"]), Group( children=[ TimeSensor(DEF='SHARK2_CLOCK',cycleInterval=110.0,loop=True), PositionInterpolator(DEF='SHARK2_POSITION',key=[0.0,0.152,0.194,0.224,0.288,0.35,0.427,0.549,0.632,0.7,0.813,1.0],keyValue=[(0.0,-4.25,-1.0),(3.75,-4.5,-0.75),(4.75,-4.5,-1.0),(4.75,-4.5,-2.0),(3.25,-4.0,-2.5),(1.75,-4.0,-2.75),(0.0,-4.0,-3.25),(-3.0,-3.5,-4.0),(-5.0,-4.0,-2.5),(-5.75,-4.5,0.0),(-4.5,-4.5,0.25),(0.0,-4.25,-1.0)]), OrientationInterpolator(DEF='SHARK2_ORIENTATION',key=[0.0,0.152,0.194,0.224,0.288,0.35,0.427,0.549,0.632,0.7,0.813,1.0],keyValue=[(0.0,1.0,0.0,6.2134),(0.0,1.0,0.0,0.244),(0.0,1.0,0.0,1.57),(0.1564,0.9974,-0.0262,2.8141),(0.0,1.0,0.0,2.967),(0.0,1.0,0.0,2.7227),(0.0872,0.9961,-0.0107,2.8982),(-0.1218,0.9917,-0.0407,3.7824),(-0.1469,0.9832,-0.1087,4.3995),(0.0,1.0,0.0,6.0912),(0.0,1.0,0.0,0.2618),(0.0,1.0,0.0,6.2134)])])]), TimeSensor(DEF='_4',loop=True), Script(DEF='sharkSwimmingInTankTrigger_5', field=[ field(accessType='inputOnly',name='triggerIn',type='SFTime'), field(accessType='outputOnly',name='startTime',type='SFTime'), field(accessType='outputOnly',name='firstTime',type='SFBool')], sourceCode=""" ecmascript: function triggerIn (value, time) { startTime = value; firstTime = false; } """), ROUTE(fromField='startTime',fromNode='sharkSwimmingInTankTrigger_5',toField='set_startTime',toNode='SHARK2_CLOCK'), ROUTE(fromField='fraction_changed',fromNode='SHARK2_CLOCK',toField='set_fraction',toNode='SHARK2_POSITION'), ROUTE(fromField='fraction_changed',fromNode='SHARK2_CLOCK',toField='set_fraction',toNode='SHARK2_ORIENTATION'), ROUTE(fromField='value_changed',fromNode='SHARK2_POSITION',toField='set_translation',toNode='_0'), ROUTE(fromField='value_changed',fromNode='SHARK2_ORIENTATION',toField='set_rotation',toNode='_0'), ROUTE(fromField='firstTime',fromNode='sharkSwimmingInTankTrigger_5',toField='set_enabled',toNode='_4'), ROUTE(fromField='time',fromNode='_4',toField='triggerIn',toNode='sharkSwimmingInTankTrigger_5')]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for SharkLeftyLocale.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 SharkLeftyLocale.py load and self-test diagnostics complete.")