#################################################################################################### # # Invoking X3D model self-test: # # $ python DoorDesired.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='3.2', head=head( children=[ meta(content='DoorDesired.x3d',name='title'), meta(content='X3D Follower example',name='description'), meta(content='Herbert Stocker',name='creator'), meta(content='Don Brutzman',name='translator'), meta(content='18 April 2006',name='created'), meta(content='2 December 2011',name='translated'), meta(content='20 October 2019',name='modified'), meta(content='originals/door_desired.wrl',name='reference'), meta(content='Stocker_06_Followers.pdf',name='reference'), meta(content='http://www.hersto.com/Publications/Followers',name='reference'), meta(content='X3D version 3.2 or greater',name='requires'), meta(content='X3D Follower Chaser Damper',name='subject'), meta(content='under development, instantReality works but BS Contact fails silently',name='warning'), meta(content='https://www.web3d.org/x3d/specifications/ISO-IEC-19775-1.2-X3D-AbstractSpecification/Part01/components/followers.html',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/Basic/Followers/originals/DoorDesired.x3d',name='identifier'), meta(content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html',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='DoorDesired.x3d'), Background(DEF='Bgnd',skyAngle=[1.1,1.4,1.57],skyColor=[(0.176,0.314,0.529),(0.176,0.314,0.529),(0.314,0.549,0.784),(0.706,0.824,0.922)]), Viewpoint(description='initial View',fieldOfView=0.844,orientation=(-0.0040,1.0,0.0030,0.439),position=(3.163,1.65,5.877)), Viewpoint(description='from the top',fieldOfView=0.844,orientation=(-0.979,-0.051,0.198,1.263),position=(-1.216,9.189,2.77)), Shape( appearance=Appearance( material=Material(diffuseColor=(0.0,0.0,0.0),emissiveColor=(0.318,0.663,0.0))), geometry=Box(size=(100.0,0.1,100.0))), Group( children=[ TouchSensor(DEF='TchCyls',description='touch to activate'), Transform(translation=(-1.25,1.0,0.0), children=[ Shape(DEF='ShCyl', appearance=Appearance( material=Material(ambientIntensity=0.00333,diffuseColor=(0.52,0.26,0.0),emissiveColor=(0.24,0.0,0.0),shininess=0.12,specularColor=(0.97,0.98,0.12))), geometry=Cylinder(radius=0.375))]), Transform(translation=(1.25,1.0,0.0), children=[ Shape(USE='ShCyl')]), Transform(translation=(-4.25,1.0,0.0), children=[ Shape(DEF='ShWall', appearance=Appearance( material=Material(ambientIntensity=0.00333,diffuseColor=(0.425,0.182,0.0075),emissiveColor=(0.425,0.182,0.0075),shininess=0.12)), geometry=Box(size=(6.0,1.99,0.1)))])]), Transform(translation=(4.25,1.0,0.0), children=[ Shape(USE='ShWall')]), Transform(translation=(-1.25,0.0,0.0), children=[ TouchSensor(DEF='TchDoor',description='touch to activate'), Transform(DEF='TransDoor', children=[ Transform(translation=(1.25,1.0,0.0), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0.024,0.2,0.334),emissiveColor=(0.05,0.4,0.666))), geometry=Box(size=(1.75,2.0,0.075)))])])]), OrientationChaser(DEF='DmpODoor',duration=1.3), Script(DEF='Worker', field=[ field(accessType='initializeOnly',name='cOriOpen',type='SFRotation',value=(0.0,-1.0,0.0,2.5)), field(accessType='inputOnly',name='touched',type='SFTime'), field(accessType='initializeOnly',name='IsOpen',type='SFBool',value=False), field(accessType='outputOnly',name='oriToGoTo',type='SFRotation'), field(accessType='initializeOnly',name='cOriClosed',type='SFRotation',value=(0.0,0.0,1.0,0.0))], sourceCode=""" ecmascript: function touched(t) { if(IsOpen) { oriToGoTo= cOriClosed; IsOpen= false; }else { oriToGoTo= cOriOpen; IsOpen= true; } } """), ROUTE(fromField='touchTime',fromNode='TchDoor',toField='touched',toNode='Worker'), ROUTE(fromField='touchTime',fromNode='TchCyls',toField='touched',toNode='Worker'), ROUTE(fromField='oriToGoTo',fromNode='Worker',toField='set_destination',toNode='DmpODoor'), ROUTE(fromField='value_changed',fromNode='DmpODoor',toField='rotation',toNode='TransDoor')]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for DoorDesired.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 DoorDesired.py load and self-test diagnostics complete.")