Internal Function: Select All Points in Frame
selectframe(rord, xc, yc, dx, dy, pts)
Vector of the index value for all cells.
Vector of x-coordinates that define the cells.
Vector of y-coordinates that define the cells.
Width of the cells along the x-axis.
Width of the cells along the y-axis.
Data frame containing id values, x-coordinates, y-coordinates, and mdm values.
The id value for all points in the frame.