Computed tomography
From UCL HEP PBT Wiki
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</pre> | </pre> | ||
| - | ; | + | ; Before running the code you can chose among several voxelisation algorithms. |
| + | |||
| + | * Using '''G4RegularNavigation''' | ||
| + | |||
| + | Special algorithm to navigate in regular voxelised geometries. It includes an option to skip frontiers between voxels when they have the same material i.e. replacing group of voxels with a smaller number of larger voxels. '''G4RegularNavigation''' is the default version of this tutorial. To run with the default settings simply run macro run.mac. | ||
| + | |||
| + | <pre style="color: #800000; background-color: #dcdcdc"> | ||
| + | ./DICOM run.mac | ||
| + | </pre> | ||
| + | |||
| + | * Using '''G4NestedParameterization''' | ||
| + | |||
| + | <pre style="color: #800000; background-color: #dcdcdc"> | ||
| + | export DICOM_NESTED_PARAM=1 | ||
| + | </pre> | ||
| + | |||
| + | You can check if you set this environment variable correctly by typing in the command line | ||
| + | |||
| + | <pre style="color: #800000; background-color: #dcdcdc"> | ||
| + | env | ||
| + | </pre> | ||
| + | |||
| + | Then, run the code: | ||
| + | |||
| + | <pre style="color: #800000; background-color: #dcdcdc"> | ||
| + | ./DICOM run.mac | ||
| + | </pre> | ||
| + | |||
| + | * Usinging '''G4VoxelNavigation''' | ||
| + | |||
| + | Using smart voxels required a huge amount of memory. At /home/username/DICOMFolder/DICOM_source/src/DicomRegularDetectorConstruction.cc set | ||
| + | |||
| + | <pre style="color: #800000; background-color: #dcdcdc"> | ||
| + | patient_phys->SetRegularStructureId(0); | ||
| + | </pre> | ||
| + | |||
| + | and run the code: | ||
<pre style="color: #800000; background-color: #dcdcdc"> | <pre style="color: #800000; background-color: #dcdcdc"> | ||
