#################################################################################################### # # Invoking X3D model self-test: # # $ python GridYZ_20x20Movable.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='3.0', head=head( children=[ meta(content='GridYZ_20x20Movable.x3d',name='title'), meta(content='Don Brutzman',name='creator'), meta(content='8 November 2000',name='created'), meta(content='28 November 2019',name='modified'), meta(content='Line grid authoring tool for precise measurement in 3D space: drag plane to move along X axis, click numbers to hide grid. Oriented along YZ plane, size 20m by 20m, default block size 1m by 1m.',name='description'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/GridsExample.x3d',name='reference'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/GridYZ_20x20Movable.x3d',name='identifier'), meta(content='X3D-Edit 3.2, https://www.web3d.org/x3d/tools/X3D-Edit',name='generator'), meta(content='../../license.html',name='license')]), Scene=Scene( children=[ WorldInfo(title='GridYZ_20x20Movable.x3d'), Viewpoint(description='YZ grid (15 0 30 relative)',orientation=(0,1,0,0.465),position=(15,0,30)), Viewpoint(description='YZ grid (30 0 0 relative)',orientation=(0,1,0,1.57079),position=(30,0,0)), Viewpoint(description='YZ grid (25 0 -25 relative)',orientation=(0,1,0,2.37),position=(25,0,-25)), Transform(DEF='GridLocation', children=[ Group( children=[ TouchSensor(DEF='TextLabelTouchSensor',description='select and hold to hide grid'), Transform(translation=(0,-0.5,0), children=[ Billboard( children=[ Shape( geometry=Text(DEF='CenterText',string=["origin"], fontStyle=FontStyle(DEF='LABEL_FONT',family=["SANS"],justify=["MIDDLE","MIDDLE"],size=.4)), appearance=Appearance(DEF='DefaultAppearance', material=Material(),))])]), Transform(translation=(0,10.5,-10), children=[ Billboard( children=[ Shape( geometry=Text(DEF='UpperRightText',string=["0 10 -10"], fontStyle=FontStyle(USE='LABEL_FONT')), appearance=Appearance(USE='DefaultAppearance'))])]), Transform(translation=(0,10.5,10), children=[ Billboard( children=[ Shape( geometry=Text(DEF='UpperLeftText',string=["0 10 10"], fontStyle=FontStyle(USE='LABEL_FONT')), appearance=Appearance(USE='DefaultAppearance'))])]), Transform(translation=(0,-10.5,10), children=[ Billboard( children=[ Shape( geometry=Text(DEF='LowerLeftText',string=["0 -10 10"], fontStyle=FontStyle(USE='LABEL_FONT')), appearance=Appearance(USE='DefaultAppearance'))])]), Transform(translation=(0,-10.5,-10), children=[ Billboard( children=[ Shape( geometry=Text(DEF='LowerRightText',string=["0 -10 -10"], fontStyle=FontStyle(USE='LABEL_FONT')), appearance=Appearance(USE='DefaultAppearance'))])])]), Switch(DEF='GridOnOffSwitch',whichChoice=0, children=[ Transform(rotation=(0,0,1,-1.57079), children=[ PlaneSensor(DEF='GridSensor',description='click and drag to move grid'), Script(DEF='LineSensorAxisX', field=[ field(accessType='inputOnly',name='set_translation',type='SFVec3f'), field(accessType='outputOnly',name='translation_changed',type='SFVec3f')], sourceCode=""" ecmascript: // local-coordinates vertical Y is world-coordinates axis X function set_translation (location, timeStamp) { translation_changed [0] = location.y; translation_changed [1] = 0; translation_changed [2] = 0; // Browser.println ('location=' + location + ', translation_changed=' + translation_changed); } """), Shape(DEF='LinesAlignedAlongZ', geometry=IndexedLineSet(colorIndex=[1,0,0,0,0,2,0,0,0,0,1,0,0,0,0,2,0,0,0,0,1],colorPerVertex=False,coordIndex=[1,22,-1,2,23,-1,3,24,-1,4,25,-1,5,26,-1,6,27,-1,7,28,-1,8,29,-1,9,30,-1,10,31,-1,11,32,-1,12,33,-1,13,34,-1,14,35,-1,15,36,-1,16,37,-1,17,38,-1,18,39,-1,19,40,-1,20,41,-1,21,42,-1], coord=Coordinate(DEF='EndPoints',point=[(0,0,0),(-10,0,10),(-9,0,10),(-8,0,10),(-7,0,10),(-6,0,10),(-5,0,10),(-4,0,10),(-3,0,10),(-2,0,10),(-1,0,10),(0,0,10),(1,0,10),(2,0,10),(3,0,10),(4,0,10),(5,0,10),(6,0,10),(7,0,10),(8,0,10),(9,0,10),(10,0,10),(-10,0,-10),(-9,0,-10),(-8,0,-10),(-7,0,-10),(-6,0,-10),(-5,0,-10),(-4,0,-10),(-3,0,-10),(-2,0,-10),(-1,0,-10),(0,0,-10),(1,0,-10),(2,0,-10),(3,0,-10),(4,0,-10),(5,0,-10),(6,0,-10),(7,0,-10),(8,0,-10),(9,0,-10),(10,0,-10)]), color=Color(color=[(0.4,0.4,0.4),(0.8,0.2,0),(0.4,0.1,0.05)]))), Transform(DEF='LinesAlignedAlongX',rotation=(0,1,0,1.57079), children=[ Shape(USE='LinesAlignedAlongZ')]), Transform(rotation=(0,0,1,1.57079),translation=(-10.5,0,0), children=[ Billboard( children=[ Shape( geometry=Text(string=["Y"], fontStyle=FontStyle(USE='LABEL_FONT')), appearance=Appearance(DEF='LABEL_APPEARANCE', material=Material(diffuseColor=(1,1,.3),emissiveColor=(.33,.33,.1))))])]), Transform(rotation=(0,0,1,1.57079),translation=(0,0,10.5), children=[ Billboard( children=[ Shape( geometry=Text(string=["Z"], fontStyle=FontStyle(USE='LABEL_FONT')), appearance=Appearance(USE='LABEL_APPEARANCE'))])])])])]), Script(DEF='CenterTextScript', field=[ field(accessType='inputOnly',name='set_translation',type='SFVec3f'), field(accessType='outputOnly',name='value',type='MFString')], sourceCode=""" ecmascript: // eventOut 'value' is an MFString array to match type of destination Text node string field function initialize ( ) { // Browser.println ('Grid script initialized, print function works'); // trace ('Grid script initialized, trace function works'); } function set_translation (location, timeStamp) { numberOfPlaces = 1000; value[0] = (Math.round (location.x * numberOfPlaces) / numberOfPlaces) + ' ' + (Math.round (location.y * numberOfPlaces) / numberOfPlaces) + ' ' + (Math.round (location.z * numberOfPlaces) / numberOfPlaces); // Browser.println ('location=' + location); } """), Script(DEF='UpperRightTextScript', field=[ field(accessType='inputOnly',name='set_translation',type='SFVec3f'), field(accessType='outputOnly',name='value',type='MFString')], sourceCode=""" ecmascript: function set_translation (location, timeStamp) { numberOfPlaces = 1000; value[0] = (Math.round (location.x * numberOfPlaces) / numberOfPlaces) + ' ' + 10 + ' ' + -10; } """), Script(DEF='UpperLeftTextScript', field=[ field(accessType='inputOnly',name='set_translation',type='SFVec3f'), field(accessType='outputOnly',name='value',type='MFString')], sourceCode=""" ecmascript: function set_translation (location, timeStamp) { numberOfPlaces = 1000; value[0] = (Math.round (location.x * numberOfPlaces) / numberOfPlaces) + ' ' + 10 + ' ' + 10; } """), Script(DEF='LowerLeftTextScript', field=[ field(accessType='inputOnly',name='set_translation',type='SFVec3f'), field(accessType='outputOnly',name='value',type='MFString')], sourceCode=""" ecmascript: function set_translation (location, timeStamp) { numberOfPlaces = 1000; value[0] = (Math.round (location.x * numberOfPlaces) / numberOfPlaces) + ' ' + -10 + ' ' + 10; } """), Script(DEF='LowerRightTextScript', field=[ field(accessType='inputOnly',name='set_translation',type='SFVec3f'), field(accessType='outputOnly',name='value',type='MFString')], sourceCode=""" ecmascript: function set_translation (location, timeStamp) { numberOfPlaces = 1000; value[0] = (Math.round (location.x * numberOfPlaces) / numberOfPlaces) + ' ' + -10 + ' ' + -10; } """), Script(DEF='SwitchTextOnOffScript', field=[ field(accessType='inputOnly',name='isTouched',type='SFBool'), field(accessType='outputOnly',name='touchChoice',type='SFInt32')], sourceCode=""" ecmascript: function isTouched (value, timeStamp) { if (value == true) touchChoice = -1; else touchChoice = 0; } """), ROUTE(fromField='translation_changed',fromNode='GridSensor',toField='set_translation',toNode='LineSensorAxisX'), Comment(' Send changed position to text-construction scripts '), ROUTE(fromField='translation_changed',fromNode='LineSensorAxisX',toField='set_translation',toNode='GridLocation'), ROUTE(fromField='translation_changed',fromNode='LineSensorAxisX',toField='set_translation',toNode='CenterTextScript'), ROUTE(fromField='translation_changed',fromNode='LineSensorAxisX',toField='set_translation',toNode='UpperRightTextScript'), ROUTE(fromField='translation_changed',fromNode='LineSensorAxisX',toField='set_translation',toNode='UpperLeftTextScript'), ROUTE(fromField='translation_changed',fromNode='LineSensorAxisX',toField='set_translation',toNode='LowerLeftTextScript'), ROUTE(fromField='translation_changed',fromNode='LineSensorAxisX',toField='set_translation',toNode='LowerRightTextScript'), Comment(' Send text showing changed position to output Text nodes '), ROUTE(fromField='value',fromNode='CenterTextScript',toField='string',toNode='CenterText'), ROUTE(fromField='value',fromNode='UpperRightTextScript',toField='string',toNode='UpperRightText'), ROUTE(fromField='value',fromNode='UpperLeftTextScript',toField='string',toNode='UpperLeftText'), ROUTE(fromField='value',fromNode='LowerLeftTextScript',toField='string',toNode='LowerLeftText'), ROUTE(fromField='value',fromNode='LowerRightTextScript',toField='string',toNode='LowerRightText'), Comment(' Enable/disable grid visibility based on user touching coordinate labels '), ROUTE(fromField='isActive',fromNode='TextLabelTouchSensor',toField='isTouched',toNode='SwitchTextOnOffScript'), ROUTE(fromField='touchChoice',fromNode='SwitchTextOnOffScript',toField='whichChoice',toNode='GridOnOffSwitch')]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for GridYZ_20x20Movable.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 GridYZ_20x20Movable.py load and self-test diagnostics complete.")