Hi,
I have included the computation of principal axis orientation for each blob returned by pix_multiblob. This is very useful for real-time interactive applications, e.g., I wrote a webcam-based steering wheel in Pd to control a video game with an arbitrary color object:
http://vimeo.com/rfabbri/color-joystick
Do you think this could be included in the main Gem repository? The computational overhead is very low, and the new object is still 100% backwards-compatible, since all that changes in terms of interface is that the output matrix will have an additional column which can be perfectly ignored by legacy code.
The code is in the multiblob_angle_new branch in the following repo:
git://github.com/rfabbri/Gem.git
Looking forward to your feedback. If you think this should be included, I will then go ahead and polish the documentation.
Best, Ricardo Fabbri -- Linux registered user #175401 www.lems.brown.edu/~rfabbri pt.wikipedia.org/wiki/IPRJ labmacambira.sf.net