#################################################################################################### # # Invoking X3D model self-test: # # $ python Cowling.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. # #################################################################################################### from x3d import * newModel=X3D(profile='Immersive',version='3.3', head=head( children=[ meta(content='Cowling.x3d',name='title'), meta(content='This file defines a cowling that is inlined to create a helicopter',name='description'), meta(content='Jane Wu (adapted from the original cowling.wrl created for vrtp demo helicopter)',name='creator'), meta(content='12 January 2001',name='created'), meta(content='20 October 2019',name='modified'), meta(content='Del Beilstein',name='contributor'), meta(content='https://savage.nps.edu/Savage/AircraftHelicopters/OH58dKiowaWarriorUnitedStates/Cowling.x3d',name='identifier'), meta(content='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit',name='generator'), meta(content='../../license.html',name='license')]), Scene=Scene( children=[ WorldInfo(title='Cowling.x3d'), Group( children=[ Background(groundAngle=[1.309,1.570796],groundColor=[(0.1,0.1,0.0),(0.4,0.25,0.2),(0.6,0.6,0.6)],skyAngle=[1.309,1.571],skyColor=[(0.0,0.2,0.7),(0.0,0.5,1.0),(1.0,1.0,1.0)]), Shape( appearance=Appearance(DEF='GREEN', material=Material(diffuseColor=(0.0,0.2,0.05))), # Engine oil cooler portion: right side, left side, back. Engine portion: right side rear, left side rear, right side front, left side front. Transmission: right side, left side, back side. Top. geometry=IndexedFaceSet(coordIndex=[0,1,2,3,4,-1,5,9,8,7,6,-1,0,4,3,8,9,5,-1,1,10,11,2,-1,6,7,13,12,-1,10,14,15,11,-1,12,13,17,16,-1,14,18,19,15,-1,16,17,21,20,-1,18,20,21,19,-1,3,2,7,8,-1,2,11,13,7,-1,11,15,17,13,-1,15,19,21,17,-1], # Right side, left side. Engine cowling coordinates, back portion that is straight across the top. Front part of the engine cowling that slopes down towards the front. Transmission continues down slope and also comes in to center of fuselage. coord=Coordinate(point=[(0.0,0.0,0.0),(1.0,0.0,0.4),(1.0,1.0,0.4),(0.4,1.0,0.0),(0.4,0.6,0.0),(0.0,0.0,-0.5),(1.0,0.0,-0.9),(1.0,1.0,-0.9),(0.4,1.0,-0.5),(0.4,0.6,-0.5),(2.0,0.0,0.4),(2.0,1.0,0.4),(2.0,0.0,-0.9),(2.0,1.0,-0.9),(3.5,0.0,0.4),(3.5,0.8,0.4),(3.5,0.0,-0.9),(3.5,0.8,-0.9),(4.2,0.0,0.1),(4.0,0.6,0.1),(4.2,0.0,-0.6),(4.0,0.6,-0.6)]))), Transform(translation=(2.3,0.2,0.405), children=[ Shape(DEF='Serial_Number_Text', appearance=Appearance( material=Material(diffuseColor=(0,0,0))), geometry=Text(string=["5 0085"], fontStyle=FontStyle(justify=["MIDDLE","MIDDLE"],size=0.7,style_='BOLD')))]), Transform(rotation=(0,1,0,3.1415962),translation=(2.3,0.2,-.905), children=[ Shape(USE='Serial_Number_Text')]), Transform(translation=(1.5,1.04,-0.25), children=[ Shape( appearance=Appearance( material=Material(DEF='BALL_COLOR',diffuseColor=(0.4,0.4,0.4))), geometry=Sphere(radius=0.04))]), Transform(translation=(1.5,1.02,-0.25), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0.1,0.1,0.1))), geometry=Cylinder(height=0.05,radius=0.06))]), TimeSensor(DEF='CLOCK',loop=True), ColorInterpolator(DEF='COLOR_PATH',key=[0.0,0.5,0.5,1.0],keyValue=[(1.0,0.0,0.0),(1.0,0.0,0.0),(1.0,1.0,1.0),(1.0,1.0,1.0)])]), ROUTE(fromField='fraction_changed',fromNode='CLOCK',toField='set_fraction',toNode='COLOR_PATH'), ROUTE(fromField='value_changed',fromNode='COLOR_PATH',toField='set_emissiveColor',toNode='BALL_COLOR')]) ) # X3D model complete #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for Cowling.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 Cowling.py load and self-test diagnostics complete.")