#################################################################################################### # # Invoking X3D model self-test: # # $ python GridXZ_20x20Fixed.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='GridXZ_20x20Fixed.x3d',name='title'), meta(content='MV4204 class',name='creator'), meta(content='3 September 2000',name='created'), meta(content='28 November 2019',name='modified'), meta(content='GridXY_20x20Fixed.x3d',name='reference'), meta(content='GridYZ_20x20Fixed.x3d',name='reference'), meta(content='Line grid authoring tool to enable precise visual measurement of objects in 3D space - fixed position. Oriented along XZ plane, size 20m by 20m, default block size 1m by 1m.',name='description'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/GridXZ_20x20Fixed.x3d',name='identifier'), 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='GridXZ_20x20Fixed.x3d'), Viewpoint(description='XZ horizontal grid, perpendicular to Y axis (seen from 0 10 25)',orientation=(1,0,0,-0.4),position=(0,10,25)), Transform(DEF='GridLocation', children=[ Group( children=[ Shape(DEF='LinesAlignedAlongZ', geometry=IndexedLineSet(colorIndex=[1,0,0,0,0,2,0,0,0,0,1,0,0,0,0,2,0,0,0,0,1],colorPerVertex=False,coordIndex=[1,22,-1,2,23,-1,3,24,-1,4,25,-1,5,26,-1,6,27,-1,7,28,-1,8,29,-1,9,30,-1,10,31,-1,11,32,-1,12,33,-1,13,34,-1,14,35,-1,15,36,-1,16,37,-1,17,38,-1,18,39,-1,19,40,-1,20,41,-1,21,42,-1], coord=Coordinate(DEF='EndPoints',point=[(0,0,0),(-10,0,10),(-9,0,10),(-8,0,10),(-7,0,10),(-6,0,10),(-5,0,10),(-4,0,10),(-3,0,10),(-2,0,10),(-1,0,10),(0,0,10),(1,0,10),(2,0,10),(3,0,10),(4,0,10),(5,0,10),(6,0,10),(7,0,10),(8,0,10),(9,0,10),(10,0,10),(-10,0,-10),(-9,0,-10),(-8,0,-10),(-7,0,-10),(-6,0,-10),(-5,0,-10),(-4,0,-10),(-3,0,-10),(-2,0,-10),(-1,0,-10),(0,0,-10),(1,0,-10),(2,0,-10),(3,0,-10),(4,0,-10),(5,0,-10),(6,0,-10),(7,0,-10),(8,0,-10),(9,0,-10),(10,0,-10)]), color=Color(color=[(0.4,0.4,0.4),(0.8,0.2,0),(0.4,0.1,0.05)]))), Transform(DEF='LinesAlignedAlongX',rotation=(0,1,0,1.57079), children=[ Shape(USE='LinesAlignedAlongZ')]), Transform(translation=(0,-0.5,0), children=[ Billboard( children=[ Shape( geometry=Text(DEF='CenterTextNode',string=["origin"], fontStyle=FontStyle(DEF='FS4',justify=["MIDDLE","MIDDLE"],size=0.4)), appearance=Appearance(DEF='DefaultAppearance', material=Material(),))])]), Transform(translation=(10,-0.5,10), children=[ Billboard( children=[ Shape( geometry=Text(string=["10 0 10"], fontStyle=FontStyle(USE='FS4')), appearance=Appearance(USE='DefaultAppearance'))])]), Transform(translation=(10,-0.5,-10), children=[ Billboard( children=[ Shape( geometry=Text(string=["10 0 -10"], fontStyle=FontStyle(USE='FS4')), appearance=Appearance(USE='DefaultAppearance'))])]), Transform(translation=(-10,-0.5,10), children=[ Billboard( children=[ Shape( geometry=Text(string=["-10 0 10"], fontStyle=FontStyle(USE='FS4')), appearance=Appearance(USE='DefaultAppearance'))])]), Transform(translation=(-10,-0.5,-10), children=[ Billboard( children=[ Shape( geometry=Text(string=["-10 0 -10"], fontStyle=FontStyle(USE='FS4')), appearance=Appearance(USE='DefaultAppearance'))])])])])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for GridXZ_20x20Fixed.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 GridXZ_20x20Fixed.py load and self-test diagnostics complete.")