[ Identification | Description | Input parameters | Output parameters | Links ]
Tomography
InstrumentInstrument to study tomographic imaging by means of the feature of OFF shape samples. Example: mcrun Tomography.instr offfile=bunny.off -n1e4 -N18 omega=0,340 -d TomoScan (Note that to achieve proper statistics for tomographic reconstruction, MUCH higher ncounts are needed) Use the provided Matlab tomo_recon.m function (requires imaging toolbox, PGPLOT output data and a Unix/Mac) in the tools/matlab folder to reconstruct a 3D volume of the object. Use e.g. isosurface to do thresholding for extraction of the object surface.
Name | Unit | Description | Default |
---|---|---|---|
geometry | string | Name of the OFF file describing the sample shape | "socket.off" |
omega | deg | Sample rotation around y | 0 |
sigma_abs | barn | Sample absorption xs | 100 |
frac_scatt | 1 | Fraction of neutrons to scatter in the sample | 0 |
div_v | angular height | [deg] Source vertical divergence | 1e-4 |
div_h | angular width | [deg] Source horisontal divergence | 1e-4 |
source_w | m | Source width | 0.4 |
source_h | m | Source height | 0.2 |
det_w | m | Detector width | 0.4 |
det_h | m | Detector height | 0.2 |
opts | "x bins=80 y bins=40" |
Tomography.instr
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[ Identification | Description | Input parameters | Output parameters | Links ]
Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Wed Nov 23 21:27:14 2022