Re: [GRASS-user] Splitting shapefile

2009-03-28 Thread georgew
You could use v.mkgrid to generate a grid. Then loop over all categories in this grid (v.categories) and use v.overlay to intersect. Thank you Markus, I had no problem in creating the grid with: v.mkgrid --overwrite map=grid_vect grid=20,20 box=1,1 (only struck a small bug in the

Re: [GRASS-user] Splitting shapefile

2009-03-27 Thread Markus Neteler
On Thu, Mar 26, 2009 at 6:50 AM, georgew gws...@hotmail.com wrote: Hi , I have a large vector shapefile I would like to split into many smaller tiles of equal size. Can somebody suggest a way to do this in GRASS 6.4 (either Windows or Linux). You could use v.mkgrid to generate a grid. Then

[GRASS-user] Splitting shapefile

2009-03-25 Thread georgew
Hi , I have a large vector shapefile I would like to split into many smaller tiles of equal size. Can somebody suggest a way to do this in GRASS 6.4 (either Windows or Linux). Also is it possible to use scripts (for batch processing) under the Windows version of GRASS? Many thanks George --