2.9.2 SGTNU/SGTNV/SGTNR

1.
Function
Fills in an area inside a closed polygon in the U/V/R- coordinates.
2.
Call
CALL SGTNU(N,UPX,UPY)
CALL SGTNV(N,VPX,VPY)
CALL SGTNR(N,RPX,RPY)
3.
Explanation of Parameters
N (I) The length of array UPX, UPY.
UPX, UPY (R) An array of length N. Give the (X, Y) coordinates of points defining a polygon in the UC.
VPX, VPY (R) An array of length N. Give the (X, Y) coordinates of points defining a polygon in the VC.
RPX, RPY (R) An array of length N. Give the (X, Y) coordinates of points defining a polygon in the RC.
4.
Notes
(a)
N must be larger than 3.
(b)
The tone pattern index for filling in the area is set with SGSTNP.