.TH xfpolys 2 "April 1993" "Scilab Group" "Scilab Function"
.so man1/sci.an
.SH NAME
xfpolys - fill a set of polygons of the same size 
.SH CALLING SEQUENCE
.nf
[]=xfpolys(xpols,ypols,[fill])
.fi
.SH PARAMETERS
.TP 10
xpols,ypols
: two matrices of size (n1,n2) (polygon def)
.TP 
fill
: vector of size n2 (number of polygons) (pattern id's).
.SH DESCRIPTION
fills a set of polygons of the same size defined by 
the two matrices \fVxpols,ypols\fR . \fVxpols= [ xpol1;xpol2;...]'\fR, 
each column of the matrix \fVxpols\fR gives the x-values of the points
of a polygon (i.e \fVypols\fR).
.LP
\fVfill(i)\fR gives the 
id of the pattern for filling the polygon number i
.TP
-
if \fVfill(i) < xget("white")+1\fR,   the polygon is filled with pattern 
\fVfill(i)\fR.
.TP
-
if \fVfill(i) >= xget("white")+1\fR,  the polyline is only drawn.
.TP
-
if \fVfill(i) >= xget("white")+2\fR,  the polygon is filled with the pattern id
\fVfill(i)+2*WID +2\fR (WID is the id of the white pattern ). Then its contour 
is drawn and closed if necessary 
.SH EXAMPLE
.nf
plot2d(0,0,[-1],"012"," ",[0,-10,210,40]);
x1=[0,10,20,30,20,10,0];
y1=[15,30,30,15,0,0,15];
xpols=[x1;x1;x1;x1]';xpols=xpols + [0,60,120,180].*.ones(x1)';
ypols=[y1;y1;y1;y1]';
xfpolys(xpols,ypols,[1,2,3,4]);
.fi 
.SH AUTHOR
J.Ph.C.