#################################################################################################### # # Invoking X3D model self-test: # # $ python ExtrusionPentagon.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='ExtrusionPentagon.x3d',name='title'), meta(content='Simple regular pentagon extruded vertically, shown side-by-side with an ExtrusionCrossSection visualization.',name='description'), meta(content='Don Brutzman',name='creator'), meta(content='U.S. Naval Postgraduate School (NPS)',name='contributor'), meta(content='3 September 2005',name='created'), meta(content='20 January 2024',name='modified'), meta(content='Extrusion pentagon',name='subject'), meta(content='https://en.wikipedia.org/wiki/Extrusion',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/ExtrusionPentagon.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=[ WorldInfo(title='ExtrusionPentagon.x3d'), NavigationInfo(DEF='ExamineMode'), NavigationInfo(DEF='FlyPanNavigation',type=["FLY","ANY"]), Background(skyColor=[(1,1,1)]), Viewpoint(description='Extrusion Pentagon',orientation=(-1,0,0,0.2),position=(0,3.17,12.85)), Viewpoint(description='Oblique view from above',orientation=(-1,0.015,-0.006,0.78),position=(0.25,8.98,8.99)), Viewpoint(description='Overhead view',orientation=(1,0,0,-1.57),position=(0,13.15,0)), Background(groundColor=[(0.9,0.9,0.9)],skyColor=[(0.9,0.9,0.9)]), Transform(translation=(-4,0,0), children=[ Shape( # be sure to order cross-section points so that normal is upward geometry=Extrusion(crossSection=[(-3.5,-1),(-2.1,2.9),(2.2,2.9),(3.6,-1),(0,-3.5),(-3.5,-1)],scale=[(1,1),(1,1),(0.2,0.2)],spine=[(0,0,0),(0,1,0),(0,1.6,0)], # spine is open, crossSection is closed ), appearance=Appearance( material=Material(diffuseColor=(0.2,0.6,0.5))))]), Comment('Utilize ExtrusionCrossSection ProtoInstance as a Shape node (with containerField="children") rather than an Extrusion node (with containerField="geometry").'), Comment('ExtrusionCrossSection is a Prototype, which are explained in Chapter 14.'), Comment('TODO update original version of ExtrusionCrossSectionPrototype.js at X3D Examples Archive Basic course'), ExternProtoDeclare(appinfo='Shape prototype for Extrusion node that also draws spine line plus oriented scaled cross sections at each spine point',name='ExtrusionCrossSection',url=["ExtrusionCrossSectionPrototype.x3d#ExtrusionCrossSection","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/ExtrusionCrossSectionPrototype.x3d#ExtrusionCrossSection","ExtrusionCrossSectionPrototype.wrl#ExtrusionCrossSection","https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter06GeometryPointsLinesPolygons/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='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'), 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')]), Transform(translation=(4,0,0), children=[ ProtoInstance(DEF='PentagonExtrusion',name='ExtrusionCrossSection', fieldValue=[ fieldValue(name='name',value='PentagonExtrusion'), fieldValue(name='crossSection',value=[(-3.5,-1),(-2.1,2.9),(2.2,2.9),(3.6,-1),(0,-3.5),(-3.5,-1)]), fieldValue(name='spine',value=[(0,0,0),(0,1,0),(0,1.6,0)]), fieldValue(name='scale',value=[(1,1),(1,1),(0.2,0.2)]), fieldValue(name='ccw',value=True), fieldValue(name='spineColor',value=(0.7,0.7,0)), fieldValue(name='crossSectionColor',value=(0.6,0.6,0.2)), fieldValue(name='extrusionColor',value=(0.3,0.6,0.6)), fieldValue(name='extrusionTransparency',value=0.6), fieldValue(name='traceEnabled',value=False)])])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for ExtrusionPentagon.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 ExtrusionPentagon.py load and self-test diagnostics complete.")