Computed tomography
From UCL HEP PBT Wiki
m |
|||
| Line 6: | Line 6: | ||
The material is constructed by converting the pixel values (Hounsfield numbers) from the DICOM images to densities using | The material is constructed by converting the pixel values (Hounsfield numbers) from the DICOM images to densities using | ||
| - | the [http://www.hep.ucl.ac.uk/pbt/RadiotherapyWorkbook/skins/common/images/DICOM/CT2Density.dat Hounsfield scale]. Then, the densities are converted to material | + | the [http://www.hep.ucl.ac.uk/pbt/RadiotherapyWorkbook/skins/common/images/DICOM/CT2Density.dat Hounsfield scale]. Then, the densities are converted to material types according to this [http://www.hep.ucl.ac.uk/pbt/RadiotherapyWorkbook/skins/common/images/DICOM/Materials.txt table]. |
A simple monenergetic electron beam is simulated using '''G4ParticleGun''' class. The output of the tutorial is a text file with dose deposition in several voxels. The dose is scored using classes '''G4VSensitiveDetector''' and '''G4THitsMap'''. | A simple monenergetic electron beam is simulated using '''G4ParticleGun''' class. The output of the tutorial is a text file with dose deposition in several voxels. The dose is scored using classes '''G4VSensitiveDetector''' and '''G4THitsMap'''. | ||
