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Question Dose Distribution Plot 

Forum: Medical Applications
Date: 25 May, 2011
From: Henry Wang <Henry Wang>

I'm using medical_linac and the DICOM file 1.dcm.

I'm trying to generate a dose distribution plot on top of my original 1.dcm image.

So I ran the code and got the result in ROG_DICOM_1.txt (below). Then I took column 5 and column 6 as row and column of a 512x512 image and plotted the dose given in column 8. But the result looks very scattered. I did this for 1 million primary events. In the literature there are generally the dose distribution plot where it colored and looks very continuous and this is what I am trying to generate.

Please advise.

Sensitive Detector-Voxels. Total number of events, [mm]->centreX centreY centreZ HalfSizeX HalfSizeY HalfSizeZ minX maxX, minY maxY, minZ maxZ, Dx, Dy, Dz, nX, nY, nZ: 10277 0 0 0 196 196 2.5 -196 196 -196 196 -2.5 2.5 0.382812 0.382812 0.833333 512 512 3 Number of physical volumes: 23 Air__0.05000000075 0 LungInhale__0.25 1 LungInhale__0.349999994 2 LungInhale__0.4499999881 3 AdiposeTissue__0.5500000119 4 AdiposeTissue__0.6499999762 5 AdiposeTissue__0.75 6 AdiposeTissue__0.8500000238 7 AdiposeTissue__0.9499999881 8 Breast__0.9499999881 9 Breast__1.049999952 10 TrabecularBone__1.149999976 11 TrabecularBone__1.049999952 12 TrabecularBone__1.350000024 13 TrabecularBone__1.450000048 14 TrabecularBone__1.549999952 15 TrabecularBone__1.649999976 16 TrabecularBone__1.25 17 TrabecularBone__1.850000024 18 TrabecularBone__1.75 19 TrabecularBone__1.950000048 20 TrabecularBone__2.049999952 21 TrabecularBone__2.150000095 22

Phys Volume x [mm], y [mm], z [mm], ix, iy, iz, Dose [Gy], Dose2 [Gy^2], nEvents

6 -186.43 -76.9453 1.66667 12 155 2 7.27703e-09 5.16751e-17 2

0 -178.008 -90.7266 -1.66667 23 137 0 3.5162e-08 2.41194e-16 6

0 -178.008 -89.9609 -1.66667 23 138 0 5.45626e-08 5.49158e-16 6

etc... more lines not included.

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1 News: Re: Dose Distribution Plot   (Claudio Andenna - 26 May, 2011)
(_ Question: Re: Dose Distribution Plot   (Henry Wang - 27 May, 2011)
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