#################################################################################################### # # Invoking X3D model self-test: # # $ python SeaStarPrototype.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='SeaStarPrototype.x3d',name='title'), meta(content='Prototype of a simple SeaStar. Zoom in to inspect.',name='description'), meta(content='Karl Tenney',name='creator'), meta(content='Scott Tufts',name='translator'), meta(content='17 December 2001',name='created'), meta(content='13 December 2001',name='translated'), meta(content='20 October 2019',name='modified'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/KelpForestExhibit/SeaStarPrototype.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='SeaStarPrototype.x3d'), ProtoDeclare(name='SeaStar', ProtoInterface=ProtoInterface( field=[ field(accessType='inputOutput',name='skinDiffuseColor',type='SFColor',value=(0.8,0.8,0.8)), field(accessType='inputOutput',name='skinSpecularColor',type='SFColor',value=(0,0,0)), field(accessType='inputOutput',name='skinEmissiveColor',type='SFColor',value=(0,0,0)), field(accessType='inputOutput',name='skinShininess',type='SFFloat',value=0.2), field(accessType='inputOutput',name='skinTransparency',type='SFFloat',value=0), field(accessType='inputOutput',name='skinTextureUrl',type='MFString'), field(accessType='inputOutput',name='translation',type='SFVec3f',value=(0.00319815,0.00994461,0.0067411)), field(accessType='inputOutput',name='rotation',type='SFRotation',value=(-0.32376,-0.32376,0.889021,1.68816)), field(accessType='inputOutput',name='scale',type='SFVec3f',value=(0.659575,0.659575,0.659575))]), ProtoBody=ProtoBody( children=[ Transform(DEF='SeaStarLocation', IS=IS( connect=[ connect(nodeField='translation',protoField='translation'), connect(nodeField='rotation',protoField='rotation'), connect(nodeField='scale',protoField='scale')]), children=[ Transform(rotation=(1.14191e-007,-1,-5.32201e-006,0.814114),scale=(0.0276058,0.0102856,0.0774523),translation=(-0.0454274,0.0102855,0.0416858), children=[ Shape(DEF='SeaStarLeg', appearance=Appearance( material=Material(DEF='skinColor', IS=IS( connect=[ connect(nodeField='diffuseColor',protoField='skinDiffuseColor'), connect(nodeField='specularColor',protoField='skinSpecularColor'), connect(nodeField='emissiveColor',protoField='skinEmissiveColor'), connect(nodeField='shininess',protoField='skinShininess'), connect(nodeField='transparency',protoField='skinTransparency')])), texture=ImageTexture(DEF='skinTexture', IS=IS( connect=[ connect(nodeField='url',protoField='skinTextureUrl')]))), geometry=Sphere(),)]), Transform(rotation=(1.6646e-007,1,6.79179e-007,0.915243),scale=(0.0276058,0.0102856,0.118301),translation=(-0.0731081,0.0102856,-0.047631), children=[ Shape(USE='SeaStarLeg')]), Transform(scale=(0.0276058,0.0102856,0.118301),translation=(-1.21519e-009,0.0102856,-0.086997), children=[ Shape(USE='SeaStarLeg')]), Transform(rotation=(7.02699e-008,1,-9.67549e-009,4.71239),scale=(0.0276058,0.0102856,0.118301),translation=(0.0943676,0.0102856,-9.2235e-010), children=[ Shape(USE='SeaStarLeg')]), Transform(rotation=(-2.28035e-007,1,-1.9708e-007,0.399743),scale=(0.0276058,0.0102856,0.118301),translation=(0.0273156,0.0102856,0.0869062), children=[ Shape(USE='SeaStarLeg')]), Transform(rotation=(1.74007e-006,-1,-1.7261e-007,0.240595),scale=(0.0564878,0.00994367,0.0245735),translation=(-0.12392,0.00994368,0.0707975), children=[ Shape(USE='SeaStarLeg')])])])), Comment('===================='), ProtoInstance(name='SeaStar', fieldValue=[ fieldValue(name='rotation',value=(0,1,0,0))])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for SeaStarPrototype.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 SeaStarPrototype.py load and self-test diagnostics complete.")