#################################################################################################### # # Invoking X3D model self-test: # # $ python CompassRosePrototype.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='CompassRosePrototype.x3d',name='title'), meta(content='Definition of the CompassRose prototype, a heads-up display (HUD) showing heading for current viewpoint direction.',name='description'), meta(content='Christian Greuel, Director of Art & Production, Planet 9 Studios, Inc.',name='creator'), meta(content='Xeena VRML importer, X3D-Edit 3.1, https://www.web3d.org/x3d/content/README.X3D-Edit.html',name='translator'), meta(content='1 August 2006',name='created'), meta(content='14 October 2006',name='translated'), meta(content='14 June 20',name='modified'), meta(content='Textures/CompassHeadings.png',name='Image'), meta(content='originals/CompassRosePrototype.wrl',name='reference'), meta(content='compass rose heads-up display HUD',name='subject'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/Tools/HeadsUpDisplays/CompassRosePrototype.x3d',name='identifier'), meta(content='X3D-Edit, https://www.web3d.org/x3d/content/README.X3D-Edit.html',name='generator'), meta(content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html',name='generator')]), Scene=Scene( children=[ WorldInfo(info=["Christian Greuel, Director of Art & Production"],title='Compass Rose Prototype'), ProtoDeclare(name='CompassRose', ProtoInterface=ProtoInterface( field=[ field(accessType='initializeOnly',name='size',type='SFVec3f',value=(1.0,1.0,1.0)), field(accessType='initializeOnly',name='locationOffset',type='SFVec3f',value=(0.0,0.0,0.0))]), ProtoBody=ProtoBody( children=[ Group(DEF='CompassRose', children=[ ProximitySensor(DEF='CompassProx',size=(1.0E9,1.0E9,1.0E9), IS=IS( connect=[ connect(nodeField='center',protoField='locationOffset')])), Transform(DEF='FixedLocation', children=[ Transform(DEF='LocationOffset', IS=IS( connect=[ connect(nodeField='translation',protoField='locationOffset'), connect(nodeField='scale',protoField='size')]), children=[ Transform(scale=(0.02,0.02,0.02),translation=(0.0,0.0,-0.2), children=[ Group(DEF='Compass', children=[ Transform(DEF='Needle', children=[ Shape( appearance=Appearance( texture=ImageTexture(url=["Textures/CompassNeedle.png","https://www.web3d.org/x3d/content/examples/Savage/Tools/HeadsUpDisplays/Textures/CompassNeedle.png"])), geometry=IndexedFaceSet(coordIndex=[1,2,3,-1,1,3,0,-1],texCoordIndex=[1,2,3,-1,1,3,0,-1], coord=Coordinate(point=[(0.5,0.5,0.0),(-0.5,0.5,0.0),(-0.5,-0.5,0.0),(0.5,-0.5,0.0)]), texCoord=TextureCoordinate(point=[(1.0,1.0),(0.0,1.0),(0.0,0.0),(1.0,0.0)])))]), Transform(DEF='Headings', children=[ Shape( appearance=Appearance( texture=ImageTexture(url=["Textures/CompassHeadings.png","https://www.web3d.org/x3d/content/examples/Savage/Tools/HeadsUpDisplays/Textures/CompassHeadings.png"])), geometry=IndexedFaceSet(coordIndex=[1,2,3,-1,1,3,0,-1],texCoordIndex=[1,2,3,-1,1,3,0,-1], coord=Coordinate(point=[(0.5,0.5,0.0),(-0.5,0.5,0.0),(-0.5,-0.5,0.0),(0.5,-0.5,0.0)]), texCoord=TextureCoordinate(point=[(1.0,1.0),(0.0,1.0),(0.0,0.0),(1.0,0.0)])))]), Script(DEF='RoseScript', field=[ field(accessType='initializeOnly',name='rot',type='SFRotation',value=(0.0,1.0,0.0,0.0)), field(accessType='initializeOnly',name='dir',type='SFNode', children=[ Transform(USE='Headings')]), field(accessType='inputOnly',name='proxrot',type='SFRotation')], sourceCode=""" ecmascript: function proxrot(v) { rot[0] = 0; rot[1] = 0; rot[2] = v[1]; rot[3] = -v[3]; dir.set_rotation = rot; } """)])])])])])]))]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for CompassRosePrototype.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 CompassRosePrototype.py load and self-test diagnostics complete.")