10. draw
Draws the device box and its local coordinate axes
																draw()
																draw(sel)
																draw(sel,txt)
																draw(sel,txt,I)
																draw(sel,txt,I,x,y)
																draw(sel,txt,I,x,y,s)
																draw(sel,txt,I,x,y,s,c)
															
Inputs / outputs
- sel =
 - [] (empty)
 - 'cam'|'proj'; Device behavior.
 - {'cam'|'proj', idx} (Array); Device behavior and pose.
 - txt = [] or caption text.
 - I = [] or Image to be transformed
 - If sel = 'cam', I is transformed from (ref. plane) to (device surface).
 - If sel = 'proj', I is transformed from (device surface) to (ref. plane).
 - x and y = [] or axes of the input image.
 - s = [] or scale of the device box.
 - c = [] or color:
 - 'c' green (Default for camera)
 - 'p' red (Default for projector)
 - 'd' blue (Default for device)
 - 'y' yellow
 - '#XXXXXX' Hexadecimal RGB