[postgis-users] ST_Buffer + grid problem

[Pierre Racine]

Sure! I personally use OpenJump but you can do the same in QGIS if create tables. I don't know if you can display queries in QGIS (maybe with Rumble but I don<t know the state of this project). 

> -----Original Message-----
> From: postgis-users-bounces at postgis.refractions.net [mailto:postgis-users-
> bounces at postgis.refractions.net] On Behalf Of Ed Linde
> Sent: Thursday, March 22, 2012 3:45 PM
> To: PostGIS Users Discussion
> Subject: Re: [postgis-users] ST_Buffer + grid problem
> 
> Pierre,
> Once I have this raster + buffer geometry intersected, is there an easy way to
> visualize this? Say in Quantum GIS?
> Will I be able to see the raster and the buffer together to check manually if the
> intersection looks fine?
> 
> Cheers,
> Ed
> 
> 
> On Thu, Mar 22, 2012 at 6:30 PM, Ed Linde <edolinde at gmail.com> wrote:
> 
> 
> 	I am on Fedora 15 x86_64
> 
> 
> 	On Thu, Mar 22, 2012 at 6:28 PM, Pierre Racine
> <Pierre.Racine at sbf.ulaval.ca> wrote:
> 
> 
> 		> I can try that ... but I am away from the office now. So will
> have to give it a shot
> 		> tomorrow morning! :) Will let you know if that fixes it. But
> should I download
> 		> the source and build GDAL 1.9?
> 
> 
> 		On which OS are you? You should not have to build it as it has
> been released a while ago.
> 
> 		Otherwise you can also replace
> 
> 		ST_AsRaster(ST_Extent(way_geom)::geometry, 0.000036,
> 0.000036)
> 
> 		with the proper ST_MakeEmptyRaster() call:
> 
> 		http://postgis.refractions.net/documentation/manual-
> svn/RT_ST_MakeEmptyRaster.html
> 
> 
> 		Pierre
> 
> 
> 		_______________________________________________
> 		postgis-users mailing list
> 		postgis-users at postgis.refractions.net
> 		http://postgis.refractions.net/mailman/listinfo/postgis-users
> 
> 
>