#################################################################################################### # # Invoking X3D model self-test: # # $ python BouncingBoxSimulink.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='Interchange',version='3.3', head=head( children=[ meta(content='BouncingBoxSimulink.x3d',name='title'), meta(content='Bounce a flexible Box up and down by adapting an example from Mathworks Matlab using Simulink for animation.',name='description'), meta(content='Ben Cheng and Don Brutzman',name='creator'), meta(content='Ben Cheng',name='translator'), meta(content='1 October 2014',name='created'), meta(content='20 October 2019',name='modified'), meta(content='BouncingBoxSimulinkLooping.png',name='Image'), meta(content='BouncingBoxSimulink.png',name='Image'), meta(content='Matlab users can select one of the following Simulink project links to run this demo. Each uses the VRML .wrl version of the scene.',name='info'), meta(content='BouncingBoxLooping.slx',name='reference'), meta(content='BouncingBoxNoAttenuation.slx',name='reference'), meta(content='delete from version control: BouncingBoxSimulinkProject.slx',name='TODO'), meta(content='BouncingBoxSimulink.wrl',name='reference'), meta(content='MatlabSimulinkBouncingBoxVrmlDemo.mov',name='reference'), meta(content='BouncingBoxSimulinkMatlabVRtoolExample.pdf',name='reference'), meta(content='BouncingBoxSimulinkMatlabVRtoolExample.doc',name='reference'), meta(content='MatlabSimulinkX3D-Web3D2015FastForwardChengBrutzman.pdf',name='reference'), meta(content='MatlabSimulinkX3D-Web3D2015FastForwardChengBrutzman.pptx',name='reference'), meta(content='SimulinkX3dPosterChengBrutzman2015May14_letter.pdf',name='reference'), meta(content='SimulinkX3dPosterChengBrutzman2015May14_letter.pptx',name='reference'), meta(content='SimulinkX3dPosterChengBrutzman2015May11_widescreen.pdf',name='reference'), meta(content='SimulinkX3dPosterChengBrutzman2015May11_widescreen.pptx',name='reference'), meta(content='http://www.mathworks.com/help/sl3d/examples/bouncing-ball.html',name='reference'), meta(content='http://www.mathworks.com',name='reference'), meta(content='http://www.mathworks.com/products/matlab',name='reference'), meta(content='http://www.mathworks.com/products/simulink',name='reference'), meta(content='http://www.mathworks.com/products/3d-animation/features.html',name='reference'), meta(content='http://www.mathworks.com/examples/3d-animation',name='reference'), meta(content='http://www.mathworks.com/products/3d-animation/videos.html',name='reference'), meta(content='http://www.mathworks.com/help/sl3d/index.html#build-virtual-reality-worlds',name='reference'), meta(content='http://www.mathworks.com/help/sl3d/using-cad-models-with-the-simulink-3d-animation-product.html',name='reference'), meta(content='http://www.mathworks.com/help/physmod/sm/mech/vis/visualizing-with-a-virtual-reality-client.html',name='reference'), meta(content='The accompanying wish list describes how Matlab and Humusoft should improve their support for X3D, instead of using VRML and being many years out of date.',name='info'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Matlab/MathworksWishList.txt',name='reference'), meta(content='MATLAB R2014B for Simulink animation to work',name='requires'), meta(content='https://www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Matlab/BouncingBoxSimulink.x3d',name='identifier'), meta(content='http://web3d.org/pipermail/x3d-public_web3d.org/2014-October/002975.html',name='reference'), meta(content='Matlab, http://www.mathworks.org',name='generator'), meta(content='X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit',name='generator'), meta(content='../license.html',name='license')]), Scene=Scene( children=[ WorldInfo(title='BouncingBoxSimulink.x3d'), Viewpoint(description='Hello Matlab Simulink bouncing box!',orientation=(1,0,0,0.942478),position=(0,-15,18)), Viewpoint(description='Closeup view Simulink bouncing box!',orientation=(1,0,0,-0.463648),position=(0,6,12)), Background(skyColor=[(0.6,0.784314,1)]), NavigationInfo(), Transform(DEF='BoxTransform',translation=(0,0,1), children=[ Shape( geometry=Box(), appearance=Appearance( material=Material(diffuseColor=(1,0.419608,0.439216))))]), Transform(DEF='GroundPlane', children=[ Shape( geometry=Box(size=(10,10,0.02)), appearance=Appearance( material=Material(diffuseColor=(1,1,1))))])]) ) # X3D model complete #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for BouncingBoxSimulink.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 BouncingBoxSimulink.py load and self-test diagnostics complete.")