#################################################################################################### # # Invoking X3D model self-test: # # $ python ExtrusionCrossSectionExampleTorus.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='3.2', head=head( children=[ meta(content='ExtrusionCrossSectionExampleTorus.x3d',name='title'), meta(content='Don Brutzman',name='creator'), meta(content='31 August 2003',name='created'), meta(content='9 October 2023',name='modified'), meta(content='Torus example demonstrating cross-section prototype for Extrusion node that also draws spine line plus oriented, scaled cross sections at each spine point.',name='description'), meta(content='Utilize ExtrusionCrossSection ProtoInstance as a Shape node (with containerField="children") rather than an Extrusion node (with containerField="geometry").',name='hint'), meta(content='ExtrusionExampleShip.x3d',name='reference'), meta(content='ExtrusionCrossSectionExampleShip.x3d',name='reference'), meta(content='ExtrusionCrossSectionPrototype.x3d',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter30-Scripts/Figure30.5ScriptTorusBuilder.x3d',name='reference'), meta(content='VRML 97 Specification, 6.18 Extrusion',name='reference'), meta(content='https://www.web3d.org/technicalinfo/specifications/vrml97/part1/nodesRef.html#Extrusion',name='reference'), meta(content='VRML 97 Specification, Figure 6.6',name='Image'), meta(content='https://www.web3d.org/technicalinfo/specifications/vrml97/Images/Extrusion.gif',name='Image'), meta(content='http://realism.com/Web3D/Examples/Extrusion/_frame.html',name='reference'), meta(content='http://www.cs.brown.edu/~gss/vrml/drawpoly.html',name='reference'), meta(content='ExtrusionXj3dGoldberg1999.java',name='reference'), meta(content='http://web3d.metrolink.com/cgi-bin/cvsweb.cgi/x3d/src/com/sun/j3d/loaders/vrml97/impl/Attic/Extrusion.java',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/Basic/course/ExtrusionCrossSectionExampleTorus.x3d',name='identifier'), meta(content='X3D-Edit 4.0, https://www.web3d.org/x3d/tools/X3D-Edit',name='generator'), meta(content='../license.html',name='license')]), Scene=Scene( children=[ Comment('Utilize ExtrusionCrossSection ProtoInstance as a Shape node (with containerField="children") rather than an Extrusion node (with containerField="geometry").'), WorldInfo(title='ExtrusionCrossSectionExampleTorus.x3d'), ExternProtoDeclare(appinfo='Shape prototype for Extrusion node that also draws spine line plus oriented scaled cross sections at each spine point',documentation='https://www.web3d.org/x3d/content/examples/Basic/course/ExtrusionCrossSectionPrototype.x3d',name='ExtrusionCrossSection',url=["ExtrusionCrossSectionPrototype.x3d#ExtrusionCrossSection","https://www.web3d.org/x3d/content/examples/Basic/course/ExtrusionCrossSectionPrototype.x3d#ExtrusionCrossSection","ExtrusionCrossSectionPrototype.wrl#ExtrusionCrossSection","https://www.web3d.org/x3d/content/examples/Basic/course/ExtrusionCrossSectionPrototype.wrl#ExtrusionCrossSection"], field=[ Comment('run-time eventIn Extrusion-modification interfaces for VRML 97 compatibility'), field(accessType='initializeOnly',appinfo='Extrusion name',name='name',type='SFString'), field(accessType='initializeOnly',appinfo='Extrusion field',name='crossSection',type='MFVec2f'), field(accessType='initializeOnly',appinfo='Extrusion field',name='spine',type='MFVec3f'), field(accessType='initializeOnly',appinfo='Extrusion field',name='scale',type='MFVec2f'), field(accessType='initializeOnly',appinfo='Extrusion field',name='orientation',type='MFRotation'), field(accessType='initializeOnly',appinfo='Extrusion field',name='beginCap',type='SFBool'), field(accessType='initializeOnly',appinfo='Extrusion field',name='endCap',type='SFBool'), field(accessType='initializeOnly',appinfo='Extrusion field',name='ccw',type='SFBool'), field(accessType='initializeOnly',appinfo='Extrusion field',name='convex',type='SFBool'), field(accessType='initializeOnly',appinfo='Extrusion field',name='creaseAngle',type='SFFloat'), field(accessType='initializeOnly',appinfo='Extrusion field',name='solid',type='SFBool'), field(accessType='inputOutput',appinfo='emissiveColor of spine',name='spineColor',type='SFColor'), field(accessType='inputOutput',appinfo='diffuseColor of crossSection',name='crossSectionColor',type='SFColor'), field(accessType='inputOutput',appinfo='transparency of crossSection',name='crossSectionTransparency',type='SFFloat'), field(accessType='inputOutput',appinfo='diffuseColor of extrusion hull',name='extrusionColor',type='SFColor'), field(accessType='inputOutput',appinfo='transparency of extrusion hull',name='extrusionTransparency',type='SFFloat'), field(accessType='initializeOnly',appinfo='Image to apply to Extrusion',name='extrusionImageTexture',type='SFNode'), field(accessType='initializeOnly',appinfo='TextureTransform coordinates of image applied to Extrusion',name='extrusionTextureTransform',type='SFNode'), field(accessType='inputOnly',appinfo='Extrusion field',name='set_crossSection',type='MFVec2f'), field(accessType='inputOnly',appinfo='Extrusion field',name='set_spine',type='MFVec3f'), field(accessType='inputOnly',appinfo='Extrusion field',name='set_scale',type='MFVec2f'), field(accessType='inputOnly',appinfo='Extrusion field',name='set_orientation',type='MFRotation'), field(accessType='initializeOnly',appinfo='Whether to provide initialization trace statements showing node construction',name='traceEnabled',type='SFBool')]), Comment('===================='), Comment('Example instance adapted from Figure15.12Torus.x3d'), Comment('https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter15-Extrusion/Figure15.12Torus.x3d'), Viewpoint(description='Torus crossSections, spine and hull',orientation=(-0.351,0.926,0.14,0.81),position=(10,5,10)), ProtoInstance(name='ExtrusionCrossSection', fieldValue=[ fieldValue(name='name',value='Torus'), fieldValue(name='crossSection',value=[(0,1),(0.38,0.92),(0.71,0.71),(0.92,0.38),(1,0),(0.92,-0.38),(0.71,-0.71),(0.38,-0.92),(0,-1),(-0.38,-0.92),(-0.71,-0.71),(-0.92,-0.38),(-1,0),(-0.92,0.38),(-0.71,0.71),(-0.38,0.92),(0,1)]), fieldValue(name='spine',value=[(2.00,0.0,0.00),(1.85,0.0,0.77),(1.41,0.0,1.41),(0.77,0.0,1.85),(0.00,0.0,2.00),(-0.77,0.0,1.85),(-1.41,0.0,1.41),(-1.85,0.0,0.77),(-2.00,0.0,0.00),(-1.85,0.0,-0.77),(-1.41,0.0,-1.41),(-0.77,0.0,-1.85),(0.00,0.0,-2.00),(0.77,0.0,-1.85),(1.41,0.0,-1.41),(1.85,0.0,-0.77),(2.00,0.0,0.00)]), fieldValue(name='beginCap',value=False), fieldValue(name='endCap',value=False), fieldValue(name='creaseAngle',value=1.57), fieldValue(name='spineColor',value=(1,1,1)), fieldValue(name='crossSectionColor',value=(0.8,0.8,0)), fieldValue(name='crossSectionTransparency',value=0.1), fieldValue(name='extrusionColor',value=(1,0,1)), fieldValue(name='extrusionTransparency',value=0.8), fieldValue(name='traceEnabled',value=False)]), Transform(scale=(4,4,4), children=[ Inline(DEF='CoordinateAxes',url=["../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d","../../Savage/Tools/Authoring/CoordinateAxes.x3d","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d","../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl","../../Savage/Tools/Authoring/CoordinateAxes.wrl","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl","https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/CoordinateAxes.x3d","https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/CoordinateAxes.wrl"])])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for ExtrusionCrossSectionExampleTorus.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 ExtrusionCrossSectionExampleTorus.py load and self-test diagnostics complete.")