SliceIntersectionMarker: Don't allow dragging outside volume boundary.
SliceIntersectionMarker: Slicing position can be changed by dragging the position marker lines.
Closes ilastik/volumina#99
Added cropping lines. Always on at the moment.
cropping: Better dashed line, and added tooltip.
cropping: Added get_roi_3d and cleanups.
cropping:
- Fixed incorrect logic for updating the 3D crop extents from 2d adjustments
- Don't allow the user to drag crop lines outside the bounds of the original image
- Added shading for excluded regions.
wip
cropping markers: Provide the entire model as an argument in the changed() signal.
view3d: When the datashape changes, reinitialize the entire widget.
This is a brute-force fix for ilastik/ilastik#575
subregion roi widget: Added roi access parameter
SubregionRoiWidget: Resize columns after initWithExtents.
SubregionRoiWidget: Minor fixes to allow multiple calls to initWithExtents() (even with empty shape)