Therefore, to define the coordinate system need to know.A. the starting point.(B) the type of coordinate system (coordinate scene; the cylindrical coordinates, polar coordinates;)C. According to the scan direction.
Therefore, to determine the coordinate system must know g beginning b. The type of coordinate system (rectangular; Polar coordinates; Cylindrical coordinates) c. Along the axis.
Therefore, in determining the coordinate system need to know.A. at the beginning.B. what kind of coordinate system (Cartesian coordinates; polar coordinate system; the cylindrical coordinate).Axial direction C.