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Discrepancy between dose grid and structure set/CT #46

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1.Using Eclipse 8.2 TPS
2.In TPS, contour an isodose level and a target on the CT
3.Import into dicompyler

What is the expected output? What do you see instead?
Expected isodose level and contours to be aligned.  CT is aligned with 
structure sets, but small discrepancy (~2mm to patient's right and ~2mm to 
patient's anterior side) shifted.

What version of the product are you using? On what operating system?
dicompyler-0.4a2.tgz 
windows 7 64-bit

Please provide any additional information below.

Original issue reported on code.google.com by landon.d...@gmail.com on 20 Jun 2011 at 2:26

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GoogleCodeExporter commented 9 years ago 
Hi Landon,

Thank you for submitting this. Do you think it is the structure set that needs 
to be shifted or the isodose lines?

I have noticed this on Pinnacle plans as well but I think it needs to be 
shifted the other direction.

Can anyone else verify this?

Original comment by bastula on 23 Jun 2011 at 6:52

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
You can't see the phantom surface in the picture (it was manually assigned a HU 
density in the TPS; a future addition to Dicompyler?) but it matched the x and 
y dimensions of known size of the cube to within 1 pixel, if I understand that 
the image center (or isocenter, user origin?) corresponds to 0,0.

I would also be interested to see what Cyberknife, Brainlab, etc would show 
here.

Thanks

Original comment by landon.d...@gmail.com on 27 Jun 2011 at 10:33

GoogleCodeExporter commented 9 years ago 
This issue was closed by revision aba9fd80d7ee.

Original comment by bastula on 12 Sep 2011 at 6:52

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
Attached are screenshots of before and after the changes in raba9fd80d7ee.

Original comment by bastula on 12 Sep 2011 at 7:21

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