Restricting tracing to single channel images is problematic: there are several scenarios in which it is important to trace paths in one channel while accessing a counter-staining in another, e.g., a lesion site, other cells (as in brainbow-like imagery), tissue landmarks, etc..
Restricting tracing to single channel images is problematic: there are several scenarios in which it is important to trace paths in one channel while accessing a counter-staining in another, e.g., a lesion site, other cells (as in brainbow-like imagery), tissue landmarks, etc..
This may be quite involved and may require a major rewrite of InteractiveTracerCanvas and BatchOpener.