Support non-integral and non-1cGy bin sizes for DVHs

[GoogleCodeExporter]

This is being caused by using mc simulation data(dose per particle score) and 
the g4dose plugin.

The DVH calculations are breaking for me when I use RTDose data with a maxdose 
<< cGy. 

I noticed that this is caused by the use of the function range(0,maxdose) in 
the dvh*.py files. I believe this fails to create a range for values 
approaching zero.

I was able to re-scale my data to 1Gy and am having no trouble after doing so.

Original issue reported on code.google.com by lstrd...@gmail.com on 19 Feb 2012 at 2:40

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[GoogleCodeExporter]

I think the DVH architecture of dicompyler needs to be refactored to support 
arbitrary bin sizes. Currently it expects (either by source data or by 
conversion) that the bin sizes are 1 cGy.

Once the application/DVH plugin supports arbitrary bin sizes, the DVH 
calculation can be modified to generate arbitrary bin sizes instead of 1 cGy 
bin sizes by default.

Original comment by bastula on 14 Mar 2012 at 3:23

• Changed title: Support non-integral and non-1cGy bin sizes for DVHs
• Changed state: Accepted