VMTK Users,
With regards to the problem that I posted about trouble I was having with
vmtkimagevoipainter, I have not figured out how to resolve this yet. I have
figured out that the bounding box in the output has the same dimensions as the
bounding box chosen as an input, however, its output location in the image set
is offset towards the corner of the entire input VOI. Additionally, the output
paint value does correspond to the input value specified using the option
"-paintvalue".
Ben Berkowitz helped me simplify the vmtkimagevoipainter script by writing
the python script at the end of this email. It is intended to take in a vtk
image file and the bounding coordinates (min and max for x, y, and z) for the
region we wish to "paint". This script gives the same output as the
vmtkimagevoipainter script. It seems that the vtkvmtk.vtkvmtkImageBoxPainter()
script is reading in the input just fine, but can't process where to place the
region to be painted in the output image. I'm not exactly sure where to go from
here to help correct this. If anybody has any suggestions, I'd greatly
appreciate your input.
Thanks for your time,
Ben Dickerhoff
import vtk
import sys
import math
from vmtk import vtkvmtk
from vmtk import vmtkscripts
file = sys.argv[1]
reader = vmtkscripts.vmtkImageReader()
reader.InputFileName = file
reader.Execute()
xmin = float(sys.argv[2])
xmax = float(sys.argv[3])
ymin = float(sys.argv[4])
ymax = float(sys.argv[5])
zmin = float(sys.argv[6])
zmax = float(sys.argv[7])
extents = [xmin, xmax, ymin, ymax, zmin, zmax]
imageBoxPainter = vtkvmtk.vtkvmtkImageBoxPainter()
imageBoxPainter.SetInput(reader.Image)
imageBoxPainter.SetBoxExtent(extents)
imageBoxPainter.SetBoxDefinitionToUseExtent()
imageBoxPainter.SetPaintValue(10)
imageBoxPainter.Update()
writer = vmtkscripts.vmtkImageWriter()
writer.Image = imageBoxPainter.GetOutput()
writer.OutputFileName = file[:-4]+'_painted.vti'
writer.Execute()
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