RMPIX peforms the transformation between plot units and pixels for the Ramtek and REF packages. Input is a point (x,y) in plot units. Output is (ix,iy) in pixels. No clipping is done (i.e., point may be off screen).
CALL RMPIX (x,y,ix,iy) x,i (R): input point in plot units ix,iy (I): output point in pixels