def __init__(self, parent=None):
'''
Initiaise the MaterialsDlg first calling the QWidget __init__ function.
'''
QtGui.QWidget.__init__(self, parent)
# Using composition to include the visual element of the GUI.
self._ui = Ui_SelectionDlg()
self._ui.setupUi(self)
self.setWindowIcon(QtGui.QIcon(":/cmiss_icon.ico"))
self.resize(620, 440)
self._context = Context('selection')
self._ui.zincWidget.setContext(self._context)
# Define some standard glyphs and materials
self._ui.zincWidget.defineStandardGlyphs()
self._ui.zincWidget.defineStandardMaterials()
self._readCube()
self._showCube()
class SelectionDlg(QtGui.QWidget):
'''
Create a subclass of QWidget for our application. We could also have derived this
application from QMainApplication to give us a menu bar among other things, but a
QWidget is sufficient for our purposes.
'''
def __init__(self, parent=None):
'''
Initiaise the MaterialsDlg first calling the QWidget __init__ function.
'''
QtGui.QWidget.__init__(self, parent)
# Using composition to include the visual element of the GUI.
self._ui = Ui_SelectionDlg()
self._ui.setupUi(self)
self.setWindowIcon(QtGui.QIcon(":/cmiss_icon.ico"))
self.resize(620, 440)
self._context = Context('selection')
self._ui.zincWidget.setContext(self._context)
# Define some standard glyphs and materials
self._ui.zincWidget.defineStandardGlyphs()
self._ui.zincWidget.defineStandardMaterials()
self._readCube()
self._showCube()
def _readCube(self):
'''
Read in a basic cube mesh from an exformat file.
'''
region = self._context.getDefaultRegion()
region.readFile('cube.exformat')
def _showCube(self):
'''
Show the cube with surfaces and node points.
'''
region = self._context.getDefaultRegion()
scene = region.getScene()
field_module = region.getFieldmodule()
finite_element_field = field_module.findFieldByName('coordinates')
material_module = self._context.getMaterialmodule()
blue_material = material_module.findMaterialByName('blue')
red_material = material_module.findMaterialByName('red')
gold_material = material_module.findMaterialByName('gold')
silver_material = material_module.findMaterialByName('silver')
yellow_material = material_module.findMaterialByName('yellow')
green_material = material_module.findMaterialByName('green')
# We use the beginChange and endChange to wrap any immediate changes this will
# streamline the rendering of the scene.
scene.beginChange()
lines = scene.createGraphicsLines()
lines.setCoordinateField(finite_element_field)
lines.setMaterial(yellow_material)
lines.setSelectedMaterial(green_material)
surface = scene.createGraphicsSurfaces()
surface.setCoordinateField(finite_element_field)
surface.setMaterial(blue_material)
surface.setSelectedMaterial(red_material)
nodes = scene.createGraphicsPoints()
nodes.setCoordinateField(finite_element_field)
nodes.setFieldDomainType(finite_element_field.DOMAIN_TYPE_NODES)
nodes.setMaterial(gold_material)
nodes.setSelectedMaterial(silver_material)
attributes = nodes.getGraphicspointattributes()
attributes.setGlyphShapeType(Glyph.SHAPE_TYPE_SPHERE)
attributes.setBaseSize(0.1)
# Let the scene render the scene.
scene.endChange()
