#################################################################################################### # # Invoking X3D model self-test: # # $ python SliderIntegerExample.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='SliderIntegerExample.x3d',name='title'), meta(content='This is an example of the SliderInteger prototype, showing a slider bar starting at 12 and ranging from 0 to 24.',name='description'), meta(content='Jane Wu',name='creator'), meta(content='19 September 2001',name='created'), meta(content='28 November 2019',name='modified'), meta(content='slider example',name='subject'), meta(content='https://www.web3d.org/x3d/content/examples/Savage/Tools/Animation/SliderIntegerExample.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='SliderIntegerExample.x3d'), ExternProtoDeclare(appinfo='Slider user-interface widget that produces integer output values',name='SliderInteger',url=["../../../Savage/Tools/Animation/SliderIntegerPrototype.x3d#SliderInteger","https://www.web3d.org/x3d/content/examples/Savage/Tools/Animation/SliderIntegerPrototype.x3d#SliderInteger","../../../Savage/Tools/Animation/SliderIntegerPrototype.wrl#SliderInteger","https://www.web3d.org/x3d/content/examples/Savage/Tools/Animation/SliderIntegerPrototype.wrl#SliderInteger"], field=[ field(accessType='initializeOnly',appinfo='default value 1.0',name='height',type='SFFloat'), field(accessType='initializeOnly',appinfo='default value 0.1',name='radius',type='SFFloat'), field(accessType='initializeOnly',appinfo='default value .8 .4 .8',name='sliderBarColor',type='SFColor'), field(accessType='initializeOnly',appinfo='default value .3 .4 .8',name='sliderBallColor',type='SFColor'), field(accessType='initializeOnly',appinfo='default value .2 .3 .9',name='sliderEndColor',type='SFColor'), field(accessType='initializeOnly',appinfo='default value 0',name='min',type='SFInt32'), field(accessType='initializeOnly',appinfo='default value 10',name='max',type='SFInt32'), field(accessType='initializeOnly',appinfo='default value 0',name='value',type='SFInt32'), field(accessType='inputOnly',appinfo='set minimum value for slider bar',name='setMin',type='SFInt32'), field(accessType='inputOnly',appinfo='set maximum value for slider bar',name='setMax',type='SFInt32'), field(accessType='inputOnly',appinfo='set value for slider bar',name='setValue',type='SFInt32'), field(accessType='outputOnly',appinfo='output value for slider bar',name='valueChanged',type='SFInt32'), field(accessType='initializeOnly',appinfo='default value 0.02',name='barRadius',type='SFFloat'), field(accessType='initializeOnly',appinfo='Enable/disable console output for troubleshooting',name='traceEnabled',type='SFBool'), field(accessType='initializeOnly',appinfo='Allowed values: vertical, horizontal',name='layoutDirection',type='SFString')]), ExternProtoDeclare(appinfo='SingleTypeConversion converts from a single typed value to various other types of values',name='SingleTypeConversion',url=["../../../Savage/Tools/Authoring/SingleTypeConversionPrototype.x3d#SingleTypeConversion","https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/SingleTypeConversionPrototype.x3d#SingleTypeConversion","../../../Savage/Tools/Authoring/SingleTypeConversionPrototype.wrl#SingleTypeConversion","https://www.web3d.org/x3d/content/examples/Savage/Tools/Authoring/SingleTypeConversionPrototype.wrl#SingleTypeConversion"], field=[ field(accessType='initializeOnly',appinfo='decimalPlaces is the number of significant digits after the decimal point, use -1 to indicate no round off',name='decimalPlaces',type='SFInt32'), field(accessType='inputOnly',name='setDecimalPlaces',type='SFInt32'), field(accessType='inputOnly',name='BooleanValue',type='SFBool'), field(accessType='inputOnly',name='FloatValue',type='SFFloat'), field(accessType='inputOnly',name='IntegerValue',type='SFInt32'), field(accessType='inputOnly',name='TimeValue',type='SFTime'), field(accessType='outputOnly',name='BooleanResult',type='SFBool'), field(accessType='outputOnly',name='FloatResult',type='SFFloat'), field(accessType='outputOnly',name='IntegerResult',type='SFInt32'), field(accessType='outputOnly',name='TimeResult',type='SFTime'), field(accessType='outputOnly',name='StringResult',type='SFString'), field(accessType='outputOnly',name='StringsResult',type='MFString')]), Comment(' Scene graph begins here '), Viewpoint(description='Drag slider ball to change values',position=(0,1,9)), Billboard(axisOfRotation=(0,0,0), children=[ Transform(translation=(0,2,0), children=[ Shape( appearance=Appearance( material=Material(diffuseColor=(0,1,1))), geometry=Text(string=["Drag slider ball","to change values,","select end stops to","increment/decrement"], fontStyle=FontStyle(justify=["MIDDLE","MIDDLE"])))]), Transform(translation=(-0.4,-1.2,0), children=[ Shape( appearance=Appearance( material=Material(),), geometry=Text(DEF='ResultString'))]), Transform(translation=(0,-2,0), children=[ ProtoInstance(DEF='SliderExample',name='SliderInteger', fieldValue=[ fieldValue(name='layoutDirection',value='horizontal'), fieldValue(name='height',value=5), fieldValue(name='radius',value=0.1), fieldValue(name='min',value=0), fieldValue(name='max',value=24), fieldValue(name='value',value=12), fieldValue(name='sliderBarColor',value=(0.8,0.4,0.8)), fieldValue(name='sliderBallColor',value=(0.3,0.4,0.8)), fieldValue(name='sliderEndColor',value=(0.2,0.3,0.9)), fieldValue(name='traceEnabled',value=True)])])]), ProtoInstance(DEF='IntegerConverter',name='SingleTypeConversion'), ROUTE(fromField='valueChanged',fromNode='SliderExample',toField='IntegerValue',toNode='IntegerConverter'), ROUTE(fromField='StringsResult',fromNode='IntegerConverter',toField='set_string',toNode='ResultString')]) ) ### X3D model conversion complete ### #################################################################################################### # Self-test diagnostics #################################################################################################### print('Self-test diagnostics for SliderIntegerExample.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 SliderIntegerExample.py load and self-test diagnostics complete.")