DOSXYZnrc(define phantom) #1173
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You have the minimum x and y boundaries at 0, but your beam is also along 0. So while you are getting the z profile along this axis, your phantom is not centered. You probably want to set those minimum boundaries to Consider checking the box to generate a .egsphant file (it's in the phantom settings). Then use another tool like VICTORIA to view the egsphant and 3ddose files that are produced by the simulation. This will ensure the beam angle is what you expect. |
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The idea there is just to create a single column of voxels along Z (so the number of voxels in x and y is 1). Then you can use the "region surrounding phantom" parameters to fill out with the same material in the x and y directions. Though for the relatively small number of voxels you're simulating to start with, this seems barely necessary. If you want to do high resolution profiles, then it can be helpful (though it only extracts one at a time!). |
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Ok, thanks for the clarification.
…On Thu, Aug 22, 2024, 8:08 PM Reid Townson ***@***.***> wrote:
The idea there is just to create a single column of voxels along Z (so the
number of voxels in x and y is 1). Then you can use the "region surrounding
phantom" parameters to fill out with the same material in the x and y
directions. Though for the relatively small number of voxels you're
simulating to start with, this seems barely necessary. If you want to do
high resolution profiles, then it can be helpful (though it only extracts
one at a time!).
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After building the accelerator using BEAMnrc, I shared the library for the accelerator. Now, when starting to use dosxyznrc, I chose source 9. Then I found the phantom, as shown in the picture, to find a water phantom with dimensions of 103030 cm3. I want to see the dose profile at the center. Do the steps in the picture give me what I want after running?
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