def createScalingRuler(self, sliceViewName):
#
# Create the Scaling Ruler
#
self.points[sliceViewName] = vtk.vtkPoints()
self.points[sliceViewName].SetNumberOfPoints(22)
lines = []
for i in xrange(0,21):
line = vtk.vtkLine()
lines.append(line)
# setting the points to lines
for i in xrange(0,21):
if (i%2 == 0):
lines[i].GetPointIds().SetId(0,i)
lines[i].GetPointIds().SetId(1,i+1)
else:
lines[i].GetPointIds().SetId(0,i-1)
lines[i].GetPointIds().SetId(1,i+1)
# Create a cell array to store the lines in and add the lines to it
linesArray = vtk.vtkCellArray()
for i in xrange(0,21):
linesArray.InsertNextCell(lines[i])
# Create a polydata to store everything in
linesPolyData = vtk.vtkPolyData()
# Add the points to the dataset
linesPolyData.SetPoints(self.points[sliceViewName])
# Add the lines to the dataset
linesPolyData.SetLines(linesArray)
# mapper
mapper = vtk.vtkPolyDataMapper2D()
if vtk.VTK_MAJOR_VERSION <= 5:
mapper.SetInput(linesPolyData)
else:
mapper.SetInputData(linesPolyData)
# actor
actor = self.scalingRulerActors[sliceViewName]
actor.SetMapper(mapper)
# color actor
actor.GetProperty().SetColor(1,1,1)
actor.GetProperty().SetLineWidth(1)
textActor = self.scalingRulerTextActors[sliceViewName]
textProperty = textActor.GetTextProperty()
def createScalingRuler(self, sliceViewName):
#
# Create the Scaling Ruler
#
self.points[sliceViewName] = vtk.vtkPoints()
self.points[sliceViewName].SetNumberOfPoints(22)
lines = []
for i in xrange(0,21):
line = vtk.vtkLine()
lines.append(line)
# setting the points to lines
for i in xrange(0,21):
if (i%2 == 0):
lines[i].GetPointIds().SetId(0,i)
lines[i].GetPointIds().SetId(1,i+1)
else:
lines[i].GetPointIds().SetId(0,i-1)
lines[i].GetPointIds().SetId(1,i+1)
# Create a cell array to store the lines in and add the lines to it
linesArray = vtk.vtkCellArray()
for i in xrange(0,21):
linesArray.InsertNextCell(lines[i])
# Create a polydata to store everything in
linesPolyData = vtk.vtkPolyData()
# Add the points to the dataset
linesPolyData.SetPoints(self.points[sliceViewName])
# Add the lines to the dataset
linesPolyData.SetLines(linesArray)
# mapper
mapper = vtk.vtkPolyDataMapper2D()
if vtk.VTK_MAJOR_VERSION <= 5:
mapper.SetInput(linesPolyData)
else:
mapper.SetInputData(linesPolyData)
# actor
actor = self.scalingRulerActors[sliceViewName]
actor.SetMapper(mapper)
# color actor
actor.GetProperty().SetColor(1,1,1)
actor.GetProperty().SetLineWidth(1)
textActor = self.scalingRulerTextActors[sliceViewName]
textProperty = textActor.GetTextProperty()
def drawLineBetweenPoints(self, lineModel, point1, point2):
# Create a vtkPoints object and store the points in it
points = vtk.vtkPoints()
points.InsertNextPoint(point1)
points.InsertNextPoint(point2)
# Create line
line = vtk.vtkLine()
line.GetPointIds().SetId(0,0)
line.GetPointIds().SetId(1,1)
lineCellArray = vtk.vtkCellArray()
lineCellArray.InsertNextCell(line)
# Update model data
lineModel.GetPolyData().SetPoints(points)
lineModel.GetPolyData().SetLines(lineCellArray)
