Added GUI to display gamma calculation stats
function to calculate the variance of absolute difference between voxels within a structure that are x cm apart
Passed planC as input arg to getDoseAt fcn.
Added option to draw free-hand ROI
1> Added callbacks that support free-hand ROI creation.
2> Made ROI creation workflow more restful.
fixed scanNum association
Updated to handle free-hand drawings on two views only as well as three views. Also, fixed the ROI creation.
Refresh structures on update so that the new ROI shows up
Function to insert RTDose from dicom file into existing planC
Added option to insert dicom dose into existing planC
set flag to refresh dose display
Fixed bug whie merging planC having more number of scans than the current one.
Merge branch 'master' of github.com:adityaapte/CERR into compiled