#################################################################################################### # # Invoking X3D model self-test: # # $ python LifeBoatPod.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='3.0', head=head( children=[ meta(content='LifeBoatPod.x3d',name='title'), meta(content='General Purpose Lifeboat Pod',name='description'), meta(content='Jeffrey Weekley',name='creator'), meta(content='5 July 2001',name='created'), meta(content='20 October 2019',name='modified'), meta(content='http://www.hazegray.org/features/nato/us/lcac',name='reference'), meta(content='lcac.pdf',name='reference'), meta(content='https://www.fas.org/man/dod-101/sys/ship/lcac.htm',name='reference'), meta(content='lsd-44_990829-N-9593R-002.jpg',name='reference'), meta(content='https://www.fas.org/man/dod-101/sys/ship/lsd-44_990829-N-9593R-002.jpg',name='reference'), meta(content='lcac-kb97_8.jpg',name='reference'), meta(content='https://www.fas.org/man/dod-101/sys/ship/lcac-kb97_8.jpg',name='reference'), meta(content='lcac-dvic076.jpg',name='reference'), meta(content='https://www.fas.org/man/dod-101/sys/ship/lcac-dvic076.jpg',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/AmphibiousVehicles/LCAC/LifeBoatPod.x3d',name='identifier'), meta(content='Lifeboat Pod',name='subject'), meta(content='X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit',name='generator'), meta(content='../../license.html',name='license')]), Scene=Scene( children=[ WorldInfo(title='LifeBoatPod.x3d'), Background(skyColor=[(0.1,0.1,0.85)]), Comment('No size is given for this object. It is approximately 1 meter in length here. Modify overall size with LifeboatPod Scale.'), Group( children=[ Transform(DEF='LifeboatPod',scale=(0.33,0.33,0.33), children=[ Transform(DEF='Seal',rotation=(1,0,0,1.57),scale=(1.33,0.8,0.8), children=[ Shape( geometry=Extrusion(crossSection=[(-1.025,-0.125),(-1.025,0.125),(1.025,0.125),(1.025,-0.125),(-1.025,-0.125)],scale=[(0.45,1),(0.73,1),(0.86,1),(0.96,1),(0.98,1),(0.98,1),(0.98,1),(0.98,1),(0.93,1),(0.86,1),(0.74,1),(0.46,1)],spine=[(-1.525,0,0),(-1.4,0,0),(-1.3,0,0),(-1.2,0,0),(-1.1,0,0),(-1,0,0),(1,0,0),(1.1,0,0),(1.2,0,0),(1.3,0,0),(1.4,0,0),(1.525,0,0)]), appearance=Appearance( material=Material(diffuseColor=(0.05,0.05,0.06))))]), Transform(DEF='PostFour',translation=(-1.25,-0.75,0.4), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0.5,0.5,0.525))), geometry=Cylinder(height=0.3,radius=0.075))]), Transform(DEF='PostThree',translation=(-1.25,-0.75,-0.4), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0.5,0.5,0.525))), geometry=Cylinder(height=0.3,radius=0.075))]), Transform(DEF='PostTwo',translation=(1.25,-0.75,0.4), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0.5,0.5,0.525))), geometry=Cylinder(height=0.3,radius=0.075))]), Transform(DEF='PostOne',translation=(1.25,-0.75,-0.4), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0.5,0.5,0.525))), geometry=Cylinder(height=0.3,radius=0.075))]), Transform(DEF='Pod',rotation=(1,0,0,1.57),scale=(1.33,0.8,0.8), children=[ Shape( geometry=Extrusion(crossSection=[(-0.6,-0.8),(-0.8,-0.6),(-0.95,-0.3),(-1,0),(-0.95,0.3),(-0.8,0.6),(-0.6,0.8),(0.6,0.8),(0.8,0.6),(0.95,0.3),(1,0),(0.95,-0.3),(0.8,-0.6),(0.6,-0.8),(-0.6,-0.8)],scale=[(0.43,0.48),(0.71,0.76),(0.83,0.88),(0.9,0.95),(0.95,1),(0.95,1),(0.95,1),(0.95,1),(0.9,0.95),(0.83,0.88),(0.71,0.76),(0.43,0.48)],spine=[(-1.5,0,0),(-1.4,0,0),(-1.3,0,0),(-1.2,0,0),(-1.1,0,0),(-1,0,0),(1,0,0),(1.1,0,0),(1.2,0,0),(1.3,0,0),(1.4,0,0),(1.5,0,0)]), appearance=Appearance( material=Material(diffuseColor=(0.55,0.55,0.6))))])])])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for LifeBoatPod.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 LifeBoatPod.py load and self-test diagnostics complete.")