ISU Drill-Down v. 1.0. Determines the z-values of a raster at point coordinates.
 
Instructions:
The program consists of two independent parts: to create a random point file of points within a polygon and a drilldown to determine the raster z-values at point coordinates.
 
To Create Random Points File:
Enter a value for the number of points to create
Select a polygon file (only a single polygon allowed within the polygon file) to determine the boundary of the points created
Enter a field name to create for z-value data storage
Click "Create Random Points"
 
To Drill down to a Raster:
Select the point layer file
Select the raster layer into which you want to drill
Enter a field name to store the drilldown values
Click "Compute Drilldown"
 
Download this dll (isu_drilldown.dll 64KB)