def __init__(self, parent=None):
'''
Initiaise the ReadMeshDlg first calling the QWidget __init__ function.
'''
QtGui.QWidget.__init__(self, parent)
# create instance of Zinc Context from which all other objects are obtained
self._context = ZincContext("ModelViewer")
# set up standard materials and glyphs so we can use them elsewhere
self._materialmodule = self._context.getMaterialmodule()
self._materialmodule.defineStandardMaterials()
self._glyphmodule = self._context.getGlyphmodule()
self._glyphmodule.defineStandardGlyphs()
# improve tessellation quality
tessellationmodule = self._context.getTessellationmodule()
defaultTessellation = tessellationmodule.getDefaultTessellation()
defaultTessellation.setMinimumDivisions([6])
default_region = self._context.getDefaultRegion()
timekeepermodule = self._context.getTimekeepermodule()
self._timekeeper = timekeepermodule.getDefaultTimekeeper()
# create region to load mesh into
self._region = default_region.createChild('myregion')
# read the model and create some graphics to see it
self.readMesh()
self.createSurfaceGraphics()
# Using composition to include the visual element of the GUI.
self.ui = Ui_ReadMeshDlg()
self.ui.setupUi(self)
# Must pass the context to the ZincWidget for it to work
self.ui._zincwidget.setContext(self._context)
self.setWindowIcon(QtGui.QIcon(":/cmiss_icon.ico"))
# set up callbacks for changes in the time slider
self.ui.timeSlider.valueChanged.connect(self.timeChanged)
self.resize(620, 440)
def __init__(self, parent=None):
'''
Initiaise the ReadMeshDlg first calling the QWidget __init__ function.
'''
QtGui.QWidget.__init__(self, parent)
# create instance of Zinc Context from which all other objects are obtained
self._context = ZincContext("ModelViewer");
# set up standard materials and glyphs so we can use them elsewhere
self._materialmodule = self._context.getMaterialmodule()
self._materialmodule.defineStandardMaterials()
self._glyphmodule = self._context.getGlyphmodule()
self._glyphmodule.defineStandardGlyphs()
# improve tessellation quality
tessellationmodule = self._context.getTessellationmodule()
defaultTessellation = tessellationmodule.getDefaultTessellation()
defaultTessellation.setMinimumDivisions([6])
default_region = self._context.getDefaultRegion()
timekeepermodule = self._context.getTimekeepermodule()
self._timekeeper = timekeepermodule.getDefaultTimekeeper()
# create region to load mesh into
self._region = default_region.createChild('myregion')
# read the model and create some graphics to see it
self.readMesh()
self.createSurfaceGraphics()
# Using composition to include the visual element of the GUI.
self.ui = Ui_ReadMeshDlg()
self.ui.setupUi(self)
# Must pass the context to the ZincWidget for it to work
self.ui._zincwidget.setContext(self._context)
self.setWindowIcon(QtGui.QIcon(":/cmiss_icon.ico"))
# set up callbacks for changes in the time slider
self.ui.timeSlider.valueChanged.connect(self.timeChanged)
self.resize(620, 440)
class ReadMeshDlg(QtGui.QWidget):
'''
Create a subclass of QWidget for our application. We could also have derived this
application from QMainWindow to give us a menu bar among other things, but a
QWidget is sufficient for our purposes.
'''
# ReadMeshDlg__init__ start
def __init__(self, parent=None):
'''
Initiaise the ReadMeshDlg first calling the QWidget __init__ function.
'''
QtGui.QWidget.__init__(self, parent)
# create instance of Zinc Context from which all other objects are obtained
self._context = ZincContext("ModelViewer")
# set up standard materials and glyphs so we can use them elsewhere
self._materialmodule = self._context.getMaterialmodule()
self._materialmodule.defineStandardMaterials()
self._glyphmodule = self._context.getGlyphmodule()
self._glyphmodule.defineStandardGlyphs()
# improve tessellation quality
tessellationmodule = self._context.getTessellationmodule()
defaultTessellation = tessellationmodule.getDefaultTessellation()
defaultTessellation.setMinimumDivisions([6])
default_region = self._context.getDefaultRegion()
timekeepermodule = self._context.getTimekeepermodule()
self._timekeeper = timekeepermodule.getDefaultTimekeeper()
# create region to load mesh into
self._region = default_region.createChild('myregion')
# read the model and create some graphics to see it
self.readMesh()
self.createSurfaceGraphics()
# Using composition to include the visual element of the GUI.
self.ui = Ui_ReadMeshDlg()
self.ui.setupUi(self)
# Must pass the context to the ZincWidget for it to work
self.ui._zincwidget.setContext(self._context)
self.setWindowIcon(QtGui.QIcon(":/cmiss_icon.ico"))
# set up callbacks for changes in the time slider
self.ui.timeSlider.valueChanged.connect(self.timeChanged)
self.resize(620, 440)
# ReadMeshDlg__init__ end
# readMesh start
def readMesh(self):
sir = self._region.createStreaminformationRegion()
for i in range(51):
filename = 'mesh_data/heart{:0>4}.exnode'.format(i)
fr = sir.createStreamresourceFile(filename)
sir.setResourceAttributeReal(
fr, StreaminformationRegion.ATTRIBUTE_TIME, i / 50.0)
sir.createStreamresourceFile('mesh_data/heart.exelem')
self._region.read(sir)
# readMesh end
# timeChanged start
def timeChanged(self, value):
self._timekeeper.setTime(value / 100.0)
# timeChanged end
# createSurfaceGraphics start
def createSurfaceGraphics(self):
scene = self._region.getScene()
field_module = self._region.getFieldmodule()
# We use the beginChange and endChange to wrap any immediate changes and will
# streamline the rendering of the scene.
scene.beginChange()
surface = scene.createGraphicsSurfaces()
coordinate_field = field_module.findFieldByName('coordinates')
surface.setCoordinateField(coordinate_field)
surface.setExterior(True) # show only exterior surfaces
# Let the scene render the scene.
scene.endChange()
# createSurfaceGraphics end
# createNodePointsGraphics start
def createPointGraphics(self):
scene = self._region.getScene()
graphicsName = "points"
# only create points if we don't already have them
existingGraphics = scene.findGraphicsByName(graphicsName)
if existingGraphics.isValid():
return
field_module = self._region.getFieldmodule()
scene.beginChange()
# create points at nodes shown with gold spheres
points = scene.createGraphicsPoints()
points.setName(graphicsName)
coordinate_field = field_module.findFieldByName('coordinates')
points.setFieldDomainType(
Field.DOMAIN_TYPE_NODES) # show points at nodes
points.setCoordinateField(coordinate_field)
pointattr = points.getGraphicspointattributes()
pointattr.setGlyphShapeType(Glyph.SHAPE_TYPE_SPHERE)
pointattr.setBaseSize([2.0])
gold = self._materialmodule.findMaterialByName("gold")
points.setMaterial(gold)
scene.endChange()
# createNodePointsGraphics end
# customButton start
def customButton(self):
'''
Open model and visualise lines.
'''
self.createPointGraphics()
class ReadMeshDlg(QtGui.QWidget):
'''
Create a subclass of QWidget for our application. We could also have derived this
application from QMainWindow to give us a menu bar among other things, but a
QWidget is sufficient for our purposes.
'''
# ReadMeshDlg__init__ start
def __init__(self, parent=None):
'''
Initiaise the ReadMeshDlg first calling the QWidget __init__ function.
'''
QtGui.QWidget.__init__(self, parent)
# create instance of Zinc Context from which all other objects are obtained
self._context = ZincContext("ModelViewer");
# set up standard materials and glyphs so we can use them elsewhere
self._materialmodule = self._context.getMaterialmodule()
self._materialmodule.defineStandardMaterials()
self._glyphmodule = self._context.getGlyphmodule()
self._glyphmodule.defineStandardGlyphs()
# improve tessellation quality
tessellationmodule = self._context.getTessellationmodule()
defaultTessellation = tessellationmodule.getDefaultTessellation()
defaultTessellation.setMinimumDivisions([6])
default_region = self._context.getDefaultRegion()
timekeepermodule = self._context.getTimekeepermodule()
self._timekeeper = timekeepermodule.getDefaultTimekeeper()
# create region to load mesh into
self._region = default_region.createChild('myregion')
# read the model and create some graphics to see it
self.readMesh()
self.createSurfaceGraphics()
# Using composition to include the visual element of the GUI.
self.ui = Ui_ReadMeshDlg()
self.ui.setupUi(self)
# Must pass the context to the ZincWidget for it to work
self.ui._zincwidget.setContext(self._context)
self.setWindowIcon(QtGui.QIcon(":/cmiss_icon.ico"))
# set up callbacks for changes in the time slider
self.ui.timeSlider.valueChanged.connect(self.timeChanged)
self.resize(620, 440)
# ReadMeshDlg__init__ end
# readMesh start
def readMesh(self):
sir = self._region.createStreaminformationRegion()
for i in range(51):
filename = 'mesh_data/heart{:0>4}.exnode'.format(i)
fr = sir.createStreamresourceFile(filename)
sir.setResourceAttributeReal(fr, StreaminformationRegion.ATTRIBUTE_TIME, i/50.0)
sir.createStreamresourceFile('mesh_data/heart.exelem')
self._region.read(sir)
# readMesh end
# timeChanged start
def timeChanged(self, value):
self._timekeeper.setTime(value/100.0)
# timeChanged end
# createSurfaceGraphics start
def createSurfaceGraphics(self):
scene = self._region.getScene()
field_module = self._region.getFieldmodule()
# We use the beginChange and endChange to wrap any immediate changes and will
# streamline the rendering of the scene.
scene.beginChange()
surface = scene.createGraphicsSurfaces()
coordinate_field = field_module.findFieldByName('coordinates')
surface.setCoordinateField(coordinate_field)
surface.setExterior(True) # show only exterior surfaces
# Let the scene render the scene.
scene.endChange()
# createSurfaceGraphics end
# createNodePointsGraphics start
def createPointGraphics(self):
scene = self._region.getScene()
graphicsName = "points"
# only create points if we don't already have them
existingGraphics = scene.findGraphicsByName(graphicsName)
if existingGraphics.isValid():
return
field_module = self._region.getFieldmodule()
scene.beginChange()
# create points at nodes shown with gold spheres
points = scene.createGraphicsPoints()
points.setName(graphicsName)
coordinate_field = field_module.findFieldByName('coordinates')
points.setFieldDomainType(Field.DOMAIN_TYPE_NODES) # show points at nodes
points.setCoordinateField(coordinate_field)
pointattr = points.getGraphicspointattributes()
pointattr.setGlyphShapeType(Glyph.SHAPE_TYPE_SPHERE)
pointattr.setBaseSize([2.0])
gold = self._materialmodule.findMaterialByName("gold")
points.setMaterial(gold)
scene.endChange()
# createNodePointsGraphics end
# customButton start
def customButton(self):
'''
Open model and visualise lines.
'''
self.createPointGraphics()
