#################################################################################################### # # Invoking X3D model self-test: # # $ python RapierMissilePrototype.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='3.0', head=head( children=[ meta(content='RapierMissilePrototype.x3d',name='title'), meta(content='Oliver Tan',name='creator'), meta(content='14 January 2004',name='created'), meta(content='28 November 2019',name='modified'), meta(content='Rapier missile prototype definition.',name='description'), meta(content='https://savage.nps.edu/Savage/Weapons/Missiles/RapierMissilePrototype.x3d',name='identifier'), meta(content='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit',name='generator'), meta(content='http://www.army-technology.com/projects/jernas/jernas1.html',name='reference'), meta(content='Rapier, Rapier missile, missile',name='subject'), meta(content='../../license.html',name='license')]), Scene=Scene( # This NavigationInfo node is added to many scenes, making examination of objects easier. children=[ WorldInfo(title='RapierMissilePrototype.x3d'), ProtoDeclare(name='RapierMissile', ProtoInterface=ProtoInterface( field=[ field(accessType='initializeOnly',name='rocketAppearance',type='SFNode', children=[ Appearance( material=Material(DEF='RocketMetal',diffuseColor=(.3,.6,.9)))])]), ProtoBody=ProtoBody( children=[ Viewpoint(description='Rapier missile example'), Viewpoint(description='Rapier missile oblique',orientation=(0.177,0.973,-0.145,0.8128),position=(7,-1.5,7.8)), Transform(rotation=(0,1,0,1.57),translation=(2,0,0), children=[ Transform(rotation=(1,0,0,1.571), # This is only a representational model. It is not created to scale. children=[ Group( children=[ Transform(DEF='RocketCone', children=[ Transform(translation=(0,3,0), children=[ Shape( IS=IS( connect=[ connect(nodeField='appearance',protoField='rocketAppearance')]), geometry=Cone(bottomRadius=0.5))])]), Transform(translation=(0,2,0), children=[ Shape( IS=IS( connect=[ connect(nodeField='appearance',protoField='rocketAppearance')]), geometry=Cylinder(height=0.1,radius=0.505))]), Transform(DEF='RocketBody',translation=(0,-4,0), children=[ Transform(scale=(0.5,4,0.5), children=[ Shape( IS=IS( connect=[ connect(nodeField='appearance',protoField='rocketAppearance')]), geometry=Extrusion(creaseAngle=0.785,crossSection=[(1.00,0.00),(0.92,-0.38),(0.71,-0.71),(0.38,-0.92),(0.00,-1.00),(-0.38,-0.92),(-0.71,-0.71),(-0.92,-0.38),(-1.00,-0.00),(-0.92,0.38),(-0.71,0.71),(-0.38,0.92),(0.00,1.00),(0.38,0.92),(0.71,0.71),(0.92,0.38),(1.00,0.00)],scale=[(1.0,1.0),(1.0,1.0),(0.5,0.5)],spine=[(0,1.5,0),(0,-0.95,0),(0,-1,0)]))])]), Transform(DEF='BigFinsGroup',translation=(0,-3.5,0), children=[ Group( children=[ Transform(translation=(0.5,0,0), children=[ Transform(DEF='BigFin',rotation=(1,0,0,-1.571),scale=(1,0.5,1.3), children=[ Shape( IS=IS( connect=[ connect(nodeField='appearance',protoField='rocketAppearance')]), geometry=Extrusion(creaseAngle=0.785,crossSection=[(0.0,0.0),(0.0,2.0),(1.0,0.1),(1.0,0.0),(0.0,0.0)],spine=[(0.0,-0.05,0.0),(0.0,0.05,0.0)]))])]), Transform(rotation=(0,1,0,1.571),translation=(0,0,-0.5), children=[ Transform(USE='BigFin')]), Transform(rotation=(0,1,0,3.142),translation=(-0.5,0,0), children=[ Transform(USE='BigFin')]), Transform(rotation=(0,1,0,4.712),translation=(0,0,0.5), children=[ Transform(USE='BigFin')])])]), Transform(DEF='SmallFinsGroup',translation=(0,-7.5,0), children=[ Group( children=[ Transform(translation=(0.5,0,0), children=[ Transform(DEF='SmallFin',rotation=(1,0,0,-1.571),scale=(0.5,0.5,1), children=[ Shape( IS=IS( connect=[ connect(nodeField='appearance',protoField='rocketAppearance')]), geometry=Extrusion(creaseAngle=0.785,crossSection=[(0.0,0.1),(0.0,1.0),(1.0,0.0),(0.0,0.1)],spine=[(0.0,-0.05,0.0),(0.0,0.05,0.0)]))])]), Transform(rotation=(0,1,0,1.571),translation=(0,0,-0.5), children=[ Transform(USE='SmallFin')]), Transform(rotation=(0,1,0,3.142),translation=(-0.5,0,0), children=[ Transform(USE='SmallFin')]), Transform(rotation=(0,1,0,4.712),translation=(0,0,0.5), children=[ Transform(USE='SmallFin')])])])])])])])), Anchor(description='RapierMissileExample',url=["RapierMissileExample.x3d","https://savage.nps.edu/Savage/Weapons/Missiles/RapierMissileExample.x3d","RapierMissileExample.wrl","https://savage.nps.edu/Savage/Weapons/Missiles/RapierMissileExample.wrl"], children=[ Shape( geometry=Text(string=["Rapier Missile Prototype","contains prototype definitions","","Click on text to see these models in","RapierMissileExample"], fontStyle=FontStyle(justify=["MIDDLE","MIDDLE"],size=0.5)), appearance=Appearance( material=Material(diffuseColor=(0,0.6,0.6))))])]) ) # X3D model complete #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for RapierMissilePrototype.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 RapierMissilePrototype.py load and self-test diagnostics complete.")