Update sub2coord.m

mustBeInRange throws an error when r,c contain NaNs. Fixed by excluding NaNs in call to function.

Author: dirkscherler

toolbox/@GRIDobj/sub2coord.m

@@ -35,8 +35,9 @@
     error('TopoToolbox:wronginput','r and c must have the same number of elements')
 end
 
-mustBeInRange(r,1-.6,nrows(DEM)+.6)
-mustBeInRange(c,1-.6,ncols(DEM)+.6)
+ix = not(isnan(r));
+mustBeInRange(r(ix),1-.6,nrows(DEM)+.6)
+mustBeInRange(c(ix),1-.6,ncols(DEM)+.6)
 
 r = r(:);
 c = c(:);