#################################################################################################### # # Invoking X3D model self-test: # # $ python SphericalMineExample.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='SphericalMineExample.x3d',name='title'), meta(content='Don Brutzman',name='creator'), meta(content='26 June 2000',name='created'), meta(content='28 November 2019',name='modified'), meta(content='https://savage.nps.edu/Savage/Weapons/UnderwaterMines/SphericalMineExample.x3d',name='identifier'), meta(content='Example use of SphericalMine prototype.',name='description'), meta(content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit',name='generator'), meta(content='../../license.html',name='license')]), Scene=Scene( # shape X Y Z R H # grid indices children=[ WorldInfo(title='SphericalMineExample.x3d'), ExternProtoDeclare(appinfo='Spherical floating mine moored to bottom',name='SphericalMine',url=["../../Weapons/UnderwaterMines/SphericalMinePrototype.x3d#SphericalMine","https://savage.nps.edu/Savage/Weapons/UnderwaterMines/SphericalMinePrototype.x3d#SphericalMine","../../Weapons/UnderwaterMines/SphericalMinePrototype.wrl#SphericalMine","https://savage.nps.edu/Savage/Weapons/UnderwaterMines/SphericalMinePrototype.wrl#SphericalMine"], field=[ field(accessType='initializeOnly',appinfo='Description for each mine contact.',name='description',type='SFString'), field(accessType='inputOutput',appinfo='Mine color can be used to indicate status (found/unknown/disabled/) tactic etc.',name='color',type='SFColor'), field(accessType='inputOutput',appinfo='Location of mine center in local world coordinates.',name='translation',type='SFVec3f'), field(accessType='inputOutput',appinfo='Scale factor to change spherical mine size default diameter = 1m.',name='scale',type='SFVec3f'), field(accessType='initializeOnly',appinfo='Bounding box for collision detection of mine.',name='bboxCenter',type='SFVec3f'), field(accessType='inputOutput',appinfo='Top and bottom endpoints of line tether that anchors this mine to the bottom.',name='tetherPoints',type='MFVec3f'), field(accessType='outputOnly',appinfo='proximityIsActive can be used to activate information or interaction when the viewer nears the mine.',name='proximityIsActive',type='SFBool'), field(accessType='inputOutput',appinfo='proximitySize provides overall box dimensions for proximity; thus (10 10 10) yields approximate radius 5 to 7 meters.',name='proximitySize',type='SFVec3f')]), Viewpoint(description='Three mines',orientation=(0,1,0,2.5),position=(24,-15,-15)), ProtoInstance(name='SphericalMine', fieldValue=[ fieldValue(name='description',value='Spherical Mine #1'), fieldValue(name='translation',value=(5,-20,15)), fieldValue(name='tetherPoints',value=[(0,0,0),(0,-5,0)])]), ProtoInstance(name='SphericalMine', fieldValue=[ fieldValue(name='description',value='Spherical Mine 2'), fieldValue(name='translation',value=(5,-15,10)), fieldValue(name='tetherPoints',value=[(0,0,0),(0,-10,0)])]), ProtoInstance(name='SphericalMine', fieldValue=[ fieldValue(name='description',value='Spherical Mine #3'), fieldValue(name='translation',value=(5,-10,5)), fieldValue(name='tetherPoints',value=[(0,0,0),(0,-15,0)])])]) ) # X3D model complete #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for SphericalMineExample.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 SphericalMineExample.py load and self-test diagnostics complete.")