[minor] drawnow when showing features only.
[minor] drawnow when showing features only.

fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm,fsrajer/yasfm