20 Converting Points from Cartesian to Polar or Spherical Form
Q3Point2D_ToPolar
function to convert a two-dimensional point from Cartesian form to polar form.
TQ3PolarPoint *Q3Point2D_ToPolar ( const TQ3Point2D *point2D, TQ3PolarPoint *result);point2D
A two-dimensional point.result
On exit, a polar point.
Q3Point2D_ToPolar
function returns, as its function result and in the result
parameter, a polar point that is the same point as the two-dimensional point specified by the point2D
parameter.
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