getgpos man page on IRIX

getgpos man page on IRIX

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getgpos(3G)							   getgpos(3G)

NAME
     getgpos - gets the current graphics position

C SPECIFICATION
     void getgpos(fx, fy, fz, fw)
     Coord *fx, *fy, *fz, *fw;

PARAMETERS
     fx	  expects a pointer to the location into which you want the system to
	  write the x coordinate of the current graphics position.

     fy	  expects a pointer to the location into which you want the system to
	  write the y coordinate of the current graphics position.

     fz	  expects a pointer to the location into which you want the system to
	  write the z coordinate of the current graphics position.

     fw	  expects a pointer to the location into which you want the system to
	  write the w coordinate of the current graphics position. The w value
	  is used when defining a three dimensional point in homogeneous
	  coordinates.

DESCRIPTION
     getgpos returns the current graphics position after transformation by the
     current matrix.

     When the current graphics position is undefined, the action of this
     routine is undefined.

SEE ALSO
     getcpos

NOTE
     This routine is available only in immediate mode.

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