Spots gallery

Purpose: to show manipulation of the cross-section of a spot.

Input file:

nprim=1e6

region: phantom ; L=[4.5,4.5,1] ; voxels = [200,200,1] ; pivot=[0.5,0.5,0]

pb:  1 0 ; P=[-1.5,-1.5,0]; Xsec = disc    ; N = 0.395  ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=45
pb:  2 0 ; P=[-1.5,-0.5,0]; Xsec = disc    ; N = 0.3792 ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=0
pb:  3 0 ; P=[-1.5,0.5,0] ; Xsec = disc    ; N = 0.3792 ; FWHMx=0.5  ; FWHMy=0.25 ; alpha=0
pb:  4 0 ; P=[-1.5,1.5,0] ; Xsec = disc    ; N = 0.79   ; FWHMx=0.5  ; FWHMy=0.5  ; alpha=0
pb:  5 0 ; P=[-0.5,-1.5,0]; Xsec = box     ; N = 0.5    ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=45
pb:  6 0 ; P=[-0.5,-0.5,0]; Xsec = box     ; N = 0.48   ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=0
pb:  7 0 ; P=[-0.5,0.5,0] ; Xsec = box     ; N = 0.48   ; FWHMx=0.5  ; FWHMy=0.25 ; alpha=0
pb:  8 0 ; P=[-0.5,1.5,0] ; Xsec = box     ; N = 1      ; FWHMx=0.5  ; FWHMy=0.5  ; alpha=0
pb:  9 0 ; P=[0.5,-1.5,0] ; Xsec = gauss   ; N = 0.6    ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=45
pb: 10 0 ; P=[0.5,-0.5,0] ; Xsec = gauss   ; N = 0.576  ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=0
pb: 11 0 ; P=[0.5,0.5,0]  ; Xsec = gauss   ; N = 0.576  ; FWHMx=0.5  ; FWHMy=0.25 ; alpha=0
pb: 12 0 ; P=[0.5,1.5,0]  ; Xsec = gauss   ; N = 1.2    ; FWHMx=0.5  ; FWHMy=0.5  ; alpha=0
pb: 13 0 ; P=[1.5,-1.5,0] ; Xsec = uparrow ; N = 0.18   ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=45
pb: 14 0 ; P=[1.5,-0.5,0] ; Xsec = uparrow ; N = 0.1728 ; FWHMx=0.25 ; FWHMy=0.5  ; alpha=0
pb: 15 0 ; P=[1.5,0.5,0]  ; Xsec = uparrow ; N = 0.1728 ; FWHMx=0.5  ; FWHMy=0.25 ; alpha=0
pb: 16 0 ; P=[1.5,1.5,0]  ; Xsec = uparrow ; N = 0.36   ; FWHMx=0.5  ; FWHMy=0.5  ; alpha=0

Results:

Four columns of spots corresponding to disc, box, gauss and up arrow cross-sections.

Variations from top row to bottom row:

1. same FWHM FWHMx=FWHMy

2. elongated along x FWHMx=2*FWHMy

3. elongated along y FWHMx=0.5*FWHMy

4. rotate distribution by 45 degree alpha=45

mhd_viewer.py out/Dose.mhd

Spots gallery