SECTION./1DIM
ROTATE/1DIM in out nop_flag
	rotate a 1-dim profile around its startpoint
SECTION./CLOC
ROTATE/CLOCK in out [factor]
	rotate an image by multiples of 90 degrees clockwise
SECTION./COUN
ROTATE/COUNTER_CLOCK in out [factor]
	rotate an image by multiples of 90 degrees counter_clockwise
