> global grid is 50x25 and the local grid is 1000x500. For each grid cell in the local grid, we want to know to which grid cell in the global grid it correspond

> global grid is 50x25 and the local grid is 1000x500. For each grid cell in the local grid, we want to know to which grid cell in the global grid it corresponds Isn’t this just a simple quantization? (Lat/20,Lon/20) should do it?