#################################################################################################### # # Invoking X3D model self-test: # # $ python GeometryPrimitiveSubstituteMeshes.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='GeometryPrimitiveSubstituteMeshes.x3d',name='title'), meta(content='Substitute IndexedFaceSet mesh versions of Geometry Primitive Nodes: Shape, Box, Cone, Cylinder, Sphere.',name='description'), meta(content='Don Brutzman',name='creator'), meta(content='14 July 2018',name='created'), meta(content='4 August 2024',name='modified'), meta(content='Fix Cone and Cylinder IFS, add Sphere IFS',name='TODO'), meta(content='Meshlab: submit issue to support import of Box Cone Cylinder Sphere',name='TODO'), meta(content='X3D-Edit authoring tool Shape wizard: fix height value and endpoint stitching on Cone and Cylinder, add Sphere',name='TODO'), meta(content='Default values have been added to geometry nodes for clarity, ordinarily default values are omitted.',name='hint'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter02GeometryPrimitives/GeometryPrimitiveSubstituteMeshes.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='GeometryPrimitiveSubstituteMeshes.x3d'), Transform(translation=(0,2,0), children=[ Transform(translation=(-5,0,0), children=[ Shape( # Box size='2 2 2'/ geometry=IndexedFaceSet(DEF='IfsMeshBox',coordIndex=[0,1,2,3,0,-1,7,6,5,4,7,-1,0,4,5,1,0,-1,1,5,6,2,1,-1,2,6,7,3,2,-1,3,7,4,0,3,-1], coord=Coordinate(point=[(1,1,1),(1,1,-1),(-1,1,-1),(-1,1,1),(1,-1,1),(1,-1,-1),(-1,-1,-1),(-1,-1,1)])), appearance=Appearance( material=Material(diffuseColor=(1,0.2,0.2))))]), Transform(translation=(-2.5,0,0), children=[ Shape( # Cone bottom='true' bottomRadius='1' height='2' side='true'/ # Conical polygon with 64-sided base DEF='IfsMeshCone' geometry=IndexedFaceSet(coordIndex=[65,64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,-1,1,2,3,-1,1,3,4,-1,1,4,5,-1,1,5,6,-1,1,6,7,-1,1,7,8,-1,1,8,9,-1,1,9,10,-1,1,10,11,-1,1,11,12,-1,1,12,13,-1,1,13,14,-1,1,14,15,-1,1,15,16,-1,1,16,17,-1,1,17,18,-1,1,18,19,-1,1,19,20,-1,1,20,21,-1,1,21,22,-1,1,22,23,-1,1,23,24,-1,1,24,25,-1,1,25,26,-1,1,26,27,-1,1,27,28,-1,1,28,29,-1,1,29,30,-1,1,30,31,-1,1,31,32,-1,1,32,33,-1,1,33,34,-1,1,34,35,-1,1,35,36,-1,1,36,37,-1,1,37,38,-1,1,38,39,-1,1,39,40,-1,1,40,41,-1,1,41,42,-1,1,42,43,-1,1,43,44,-1,1,44,45,-1,1,45,46,-1,1,46,47,-1,1,47,48,-1,1,48,49,-1,1,49,50,-1,1,50,51,-1,1,51,52,-1,1,52,53,-1,1,53,54,-1,1,54,55,-1,1,55,56,-1,1,56,57,-1,1,57,58,-1,1,58,59,-1,1,59,60,-1,1,60,61,-1,1,61,62,-1,1,62,63,-1,1,63,64,-1,1,64,65,-1,1,65,66,-1],creaseAngle=3.14159,solid=False, coord=Coordinate(point=[(0,0,0),(0,1,0),(0.000,0.0,1.000),(0.098,0.0,0.995),(0.195,0.0,0.981),(0.290,0.0,0.957),(0.383,0.0,0.924),(0.471,0.0,0.882),(0.556,0.0,0.831),(0.634,0.0,0.773),(0.707,0.0,0.707),(0.773,0.0,0.634),(0.831,0.0,0.556),(0.882,0.0,0.471),(0.924,0.0,0.383),(0.957,0.0,0.290),(0.981,0.0,0.195),(0.995,0.0,0.098),(1.000,0.0,0.000),(0.995,0.0,-0.098),(0.981,0.0,-0.195),(0.957,0.0,-0.290),(0.924,0.0,-0.383),(0.882,0.0,-0.471),(0.831,0.0,-0.556),(0.773,0.0,-0.634),(0.707,0.0,-0.707),(0.634,0.0,-0.773),(0.556,0.0,-0.831),(0.471,0.0,-0.882),(0.383,0.0,-0.924),(0.290,0.0,-0.957),(0.195,0.0,-0.981),(0.098,0.0,-0.995),(0.000,0.0,-1.000),(-0.098,0.0,-0.995),(-0.195,0.0,-0.981),(-0.290,0.0,-0.957),(-0.383,0.0,-0.924),(-0.471,0.0,-0.882),(-0.556,0.0,-0.831),(-0.634,0.0,-0.773),(-0.707,0.0,-0.707),(-0.773,0.0,-0.634),(-0.831,0.0,-0.556),(-0.882,0.0,-0.471),(-0.924,0.0,-0.383),(-0.957,0.0,-0.290),(-0.981,0.0,-0.195),(-0.995,0.0,-0.098),(-1.000,0.0,-0.000),(-0.995,0.0,0.098),(-0.981,0.0,0.195),(-0.957,0.0,0.290),(-0.924,0.0,0.383),(-0.882,0.0,0.471),(-0.831,0.0,0.556),(-0.773,0.0,0.634),(-0.707,0.0,0.707),(-0.634,0.0,0.773),(-0.556,0.0,0.831),(-0.471,0.0,0.882),(-0.383,0.0,0.924),(-0.290,0.0,0.957),(-0.195,0.0,0.981),(-0.098,0.0,0.995),(0.000,0.0,1.000)])), appearance=Appearance( material=Material(diffuseColor=(0.2,1,0.2))))]), Transform( children=[ Shape( # Cylinder DEF='IfsMeshCylinder' bottom='true' height='2' radius='1' side='true' top='true'/ # Cylindrical 64-sided polygon geometry=IndexedFaceSet(coordIndex=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,-1,127,126,125,124,123,122,121,120,119,118,117,116,115,114,113,112,111,110,109,108,107,106,105,104,103,102,101,100,99,98,97,96,95,94,93,92,91,90,89,88,87,86,85,84,83,82,81,80,79,78,77,76,75,74,73,72,71,70,69,68,67,66,65,64,127,-1,1,65,64,0,1,-1,2,66,65,1,2,-1,3,67,66,2,3,-1,4,68,67,3,4,-1,5,69,68,4,5,-1,6,70,69,5,6,-1,7,71,70,6,7,-1,8,72,71,7,8,-1,9,73,72,8,9,-1,10,74,73,9,10,-1,11,75,74,10,11,-1,12,76,75,11,12,-1,13,77,76,12,13,-1,14,78,77,13,14,-1,15,79,78,14,15,-1,16,80,79,15,16,-1,17,81,80,16,17,-1,18,82,81,17,18,-1,19,83,82,18,19,-1,20,84,83,19,20,-1,21,85,84,20,21,-1,22,86,85,21,22,-1,23,87,86,22,23,-1,24,88,87,23,24,-1,25,89,88,24,25,-1,26,90,89,25,26,-1,27,91,90,26,27,-1,28,92,91,27,28,-1,29,93,92,28,29,-1,30,94,93,29,30,-1,31,95,94,30,31,-1,32,96,95,31,32,-1,33,97,96,32,33,-1,34,98,97,33,34,-1,35,99,98,34,35,-1,36,100,99,35,36,-1,37,101,100,36,37,-1,38,102,101,37,38,-1,39,103,102,38,39,-1,40,104,103,39,40,-1,41,105,104,40,41,-1,42,106,105,41,42,-1,43,107,106,42,43,-1,44,108,107,43,44,-1,45,109,108,44,45,-1,46,110,109,45,46,-1,47,111,110,46,47,-1,48,112,111,47,48,-1,49,113,112,48,49,-1,50,114,113,49,50,-1,51,115,114,50,51,-1,52,116,115,51,52,-1,53,117,116,52,53,-1,54,118,117,53,54,-1,55,119,118,54,55,-1,56,120,119,55,56,-1,57,121,120,56,57,-1,58,122,121,57,58,-1,59,123,122,58,59,-1,60,124,123,59,60,-1,61,125,124,60,61,-1,62,126,125,61,62,-1,63,127,126,62,63,-1,0,64,127,63,0,-1],creaseAngle=3.14159,solid=False, coord=Coordinate(point=[(0.000,1.0,1.000),(0.098,1.0,0.995),(0.195,1.0,0.981),(0.290,1.0,0.957),(0.383,1.0,0.924),(0.471,1.0,0.882),(0.556,1.0,0.831),(0.634,1.0,0.773),(0.707,1.0,0.707),(0.773,1.0,0.634),(0.831,1.0,0.556),(0.882,1.0,0.471),(0.924,1.0,0.383),(0.957,1.0,0.290),(0.981,1.0,0.195),(0.995,1.0,0.098),(1.000,1.0,0.000),(0.995,1.0,-0.098),(0.981,1.0,-0.195),(0.957,1.0,-0.290),(0.924,1.0,-0.383),(0.882,1.0,-0.471),(0.831,1.0,-0.556),(0.773,1.0,-0.634),(0.707,1.0,-0.707),(0.634,1.0,-0.773),(0.556,1.0,-0.831),(0.471,1.0,-0.882),(0.383,1.0,-0.924),(0.290,1.0,-0.957),(0.195,1.0,-0.981),(0.098,1.0,-0.995),(0.000,1.0,-1.000),(-0.098,1.0,-0.995),(-0.195,1.0,-0.981),(-0.290,1.0,-0.957),(-0.383,1.0,-0.924),(-0.471,1.0,-0.882),(-0.556,1.0,-0.831),(-0.634,1.0,-0.773),(-0.707,1.0,-0.707),(-0.773,1.0,-0.634),(-0.831,1.0,-0.556),(-0.882,1.0,-0.471),(-0.924,1.0,-0.383),(-0.957,1.0,-0.290),(-0.981,1.0,-0.195),(-0.995,1.0,-0.098),(-1.000,1.0,-0.000),(-0.995,1.0,0.098),(-0.981,1.0,0.195),(-0.957,1.0,0.290),(-0.924,1.0,0.383),(-0.882,1.0,0.471),(-0.831,1.0,0.556),(-0.773,1.0,0.634),(-0.707,1.0,0.707),(-0.634,1.0,0.773),(-0.556,1.0,0.831),(-0.471,1.0,0.882),(-0.383,1.0,0.924),(-0.290,1.0,0.957),(-0.195,1.0,0.981),(-0.098,1.0,0.995),(0.000,0.0,1.000),(0.098,0.0,0.995),(0.195,0.0,0.981),(0.290,0.0,0.957),(0.383,0.0,0.924),(0.471,0.0,0.882),(0.556,0.0,0.831),(0.634,0.0,0.773),(0.707,0.0,0.707),(0.773,0.0,0.634),(0.831,0.0,0.556),(0.882,0.0,0.471),(0.924,0.0,0.383),(0.957,0.0,0.290),(0.981,0.0,0.195),(0.995,0.0,0.098),(1.000,0.0,0.000),(0.995,0.0,-0.098),(0.981,0.0,-0.195),(0.957,0.0,-0.290),(0.924,0.0,-0.383),(0.882,0.0,-0.471),(0.831,0.0,-0.556),(0.773,0.0,-0.634),(0.707,0.0,-0.707),(0.634,0.0,-0.773),(0.556,0.0,-0.831),(0.471,0.0,-0.882),(0.383,0.0,-0.924),(0.290,0.0,-0.957),(0.195,0.0,-0.981),(0.098,0.0,-0.995),(0.000,0.0,-1.000),(-0.098,0.0,-0.995),(-0.195,0.0,-0.981),(-0.290,0.0,-0.957),(-0.383,0.0,-0.924),(-0.471,0.0,-0.882),(-0.556,0.0,-0.831),(-0.634,0.0,-0.773),(-0.707,0.0,-0.707),(-0.773,0.0,-0.634),(-0.831,0.0,-0.556),(-0.882,0.0,-0.471),(-0.924,0.0,-0.383),(-0.957,0.0,-0.290),(-0.981,0.0,-0.195),(-0.995,0.0,-0.098),(-1.000,0.0,-0.000),(-0.995,0.0,0.098),(-0.981,0.0,0.195),(-0.957,0.0,0.290),(-0.924,0.0,0.383),(-0.882,0.0,0.471),(-0.831,0.0,0.556),(-0.773,0.0,0.634),(-0.707,0.0,0.707),(-0.634,0.0,0.773),(-0.556,0.0,0.831),(-0.471,0.0,0.882),(-0.383,0.0,0.924),(-0.290,0.0,0.957),(-0.195,0.0,0.981),(-0.098,0.0,0.995)])), appearance=Appearance( material=Material(), # TODO authors can add optional ImageTexture, MovieTexture, PixelTexture, TextureTransform, FillProperties, and/or LineProperties nodes here ))]), Transform(translation=(2.5,0,0), children=[ Shape( geometry=Sphere(DEF='IfsMeshSphere'), appearance=Appearance( material=Material(diffuseColor=(1,1,0.2))))]), Transform(translation=(5.4,0,0), children=[ Comment('X3D-Edit offers Selectable Text design pattern adds transparent Box and TouchSensor description as a user hint'), Group( children=[ Shape( geometry=Text(DEF='IfsMeshText',string=["IFS","Meshes"], fontStyle=FontStyle(DEF='MiddleFontStyle',justify=["MIDDLE","MIDDLE"],size=0.6,style_='BOLD')), appearance=Appearance(DEF='DefaultAppearance', material=Material(DEF='DefaultMaterial'))), Shape( geometry=Box(size=(2.5,2,.001)), appearance=Appearance( material=Material(transparency=1))), TouchSensor(DEF='IfsMeshTextTouchSensorHint',description='IndexedFaceSet Meshes')])])]), Transform(translation=(0,-2,0), children=[ Transform(translation=(-5,0,0), children=[ Shape( geometry=Box(DEF='DefaultBox'), appearance=Appearance( material=Material(diffuseColor=(1,0.2,0.2))))]), Transform(translation=(-2.5,0,0), children=[ Shape( geometry=Cone(DEF='DefaultCone'), appearance=Appearance( material=Material(diffuseColor=(0.2,1,0.2))))]), Transform( children=[ Shape( geometry=Cylinder(DEF='DefaultCylinder'), appearance=Appearance( material=Material(diffuseColor=(0.2,0.2,1))))]), Transform(translation=(2.5,0,0), children=[ Shape( geometry=Sphere(DEF='DefaultSphere'), appearance=Appearance( material=Material(diffuseColor=(1,1,0.2))))]), Transform(translation=(5.4,0,0), children=[ Shape( geometry=Text(DEF='DefaultText',string=["Geometry","Primitives"], fontStyle=FontStyle(USE='MiddleFontStyle')), appearance=Appearance(USE='DefaultAppearance'))])])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for GeometryPrimitiveSubstituteMeshes.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 GeometryPrimitiveSubstituteMeshes.py load and self-test diagnostics complete.")