#################################################################################################### # # Invoking X3D model self-test: # # $ python LinePropertiesExample.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=[ Comment('The following component tag is needed since LineProperties node is not part of the default Immersive profile'), component(level=2,name='Shape'), meta(content='LinePropertiesExample.x3d',name='title'), meta(content='Demonstrate each of the various LineProperties enumeration values.',name='description'), meta(content='Don Brutzman',name='creator'), meta(content='20 August 2008',name='created'), meta(content='27 July 2024',name='modified'), meta(content='LinePropertiesLinetypeExample.png',name='Image'), meta(content='https://X3dGraphics.com',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/X3dResources.html',name='reference'), meta(content='X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com',name='subject'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter05AppearanceMaterialTextures/LinePropertiesExample.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='LinePropertiesExample.x3d'), Viewpoint(description='LineProperties linetype examples',position=(0,0,22)), Transform(translation=(1,-6,0), children=[ Transform(translation=(-4,14,0), children=[ Shape( geometry=Text(string=["1 Solid"], fontStyle=FontStyle(DEF='LeftJustify',justify=["BEGIN","MIDDLE"])), appearance=Appearance( material=Material(diffuseColor=(1,0,0)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1], coord=Coordinate(DEF='Segment',point=[(0,0,0),(2,0,0)])), appearance=Appearance( material=Material(emissiveColor=(1,0,0)), lineProperties=LineProperties( # linetype='1' solid )))])]), Transform(translation=(-4,13,0), children=[ Shape( geometry=Text(string=["2 Dashed"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(1,0.5,0)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(1,0.5,0)), lineProperties=LineProperties(linetype=2, # linetype='2' dashed )))])]), Transform(translation=(-4,12,0), children=[ Shape( geometry=Text(string=["3 Dotted"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(1,1,0)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(1,1,0)), lineProperties=LineProperties(linetype=3, # linetype='3' dotted )))])]), Transform(translation=(-4,11,0), children=[ Shape( geometry=Text(string=["4 Dashed-dotted"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0,1,0)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0,1,0)), lineProperties=LineProperties(linetype=4, # linetype='4' dashed-dotted )))])]), Transform(translation=(-4,10,0), children=[ Shape( geometry=Text(string=["5 Dash-dot-dot"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.2,0.2,1)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0,0,1)), lineProperties=LineProperties(linetype=5, # linetype='5' dash-dot-dot )))])]), Transform(translation=(-4,9,0), children=[ Shape( geometry=Text(string=["6 (single arrow)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(1,0,1)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(1,0,1)), lineProperties=LineProperties(linetype=6, # linetype='6' (optional support) single arrow, meainging single arrowhead at final vertex, in this case pointing to right )))])]), Transform(translation=(-4,8,0), children=[ Shape( geometry=Text(string=["7 (single dot)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0,1,1)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0,1,1)), lineProperties=LineProperties(linetype=7, # linetype='7' (optional support) single dot )))])]), Transform(translation=(-4,7,0), children=[ Shape( geometry=Text(string=["8 (double arrow)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(1,1,1)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(), lineProperties=LineProperties(linetype=8, # linetype='8' (optional support) double arrow, meaning arrow heads at each end )))])]), Transform(translation=(-4,6,0), children=[ Shape( geometry=Text(string=["9 [no entry]"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.2,0.2,0.2))))]), Transform(translation=(-4,5,0), children=[ Shape( geometry=Text(string=["10 (chain line)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.5,0.5,0.5)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(1,0,0)), lineProperties=LineProperties(linetype=10, # linetype='10' (optional support) chain line )))])]), Transform(translation=(-4,4,0), children=[ Shape( geometry=Text(string=["11 (center line)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.8,0.2,0.2)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0.8,0.2,0.2)), lineProperties=LineProperties(linetype=11, # linetype='11' (optional support) center line )))])]), Transform(translation=(-4,3,0), children=[ Shape( geometry=Text(string=["12 (hidden line)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.5,0.5,0.1)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0.5,0.5,0.1)), lineProperties=LineProperties(linetype=12, # linetype='12' (optional support) hidden line )))])]), Transform(translation=(-4,2,0), children=[ Shape( geometry=Text(string=["13 (phantom line)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.8,0.8,0.2)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0.8,0.8,0.2)), lineProperties=LineProperties(linetype=13, # linetype='13' (optional support) phantom line )))])]), Transform(translation=(-4,1,0), children=[ Shape( geometry=Text(string=["14 (break line 1)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.2,0.8,0.2)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0.2,0.8,0.2)), lineProperties=LineProperties(linetype=14, # linetype='14' (optional support) break line 1 )))])]), Transform(translation=(-4,0,0), children=[ Shape( geometry=Text(string=["15 (break line 2)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.2,0.2,0.8)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0.2,0.2,0.8)), lineProperties=LineProperties(linetype=15, # linetype='15' (optional support) break line 2 )))])]), Transform(translation=(-4,-1,0), children=[ Shape( geometry=Text(string=["16 (user-specified dash pattern)"], fontStyle=FontStyle(USE='LeftJustify')), appearance=Appearance( material=Material(diffuseColor=(0.7,0.7,0.7)))), Transform(translation=(-4,0,0), children=[ Shape( geometry=IndexedLineSet(coordIndex=[0,1,-1], coord=Coordinate(USE='Segment')), appearance=Appearance( material=Material(emissiveColor=(0.7,0.7,0.7)), lineProperties=LineProperties(linetype=16, # linetype='16' (optional support) user-specified dash pattern )))])])])]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for LinePropertiesExample.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 LinePropertiesExample.py load and self-test diagnostics complete.")