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Point NR::Point::ccw (  )  const [inline]

Return a point like this point but rotated -90 degrees. (If the y axis grows downwards and the x axis grows to the right, then this is 90 degrees counter-clockwise.)

Definition at line 68 of file nr-point.h.

                      {
        return Point(_pt[Y], -_pt[X]);
    }


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