Re: [GRASS-user] Need Help with speeding up v.import and reducing/removing null values from v.rast.stat results

2018-03-23 Thread Markus Metz
On Fri, Mar 23, 2018 at 4:30 PM, Mehrdad Varedi wrote: > > Thank you very much Stefan and Moritz for your attention and replies. > I found that you both exactly understand where is the problem. Let me be more specific about my primary issue. > > - v.buffer and v.import (v.in.ogr) - They freez. >

Re: [GRASS-user] Need Help with speeding up v.import and reducing/removing null values from v.rast.stat results

2018-03-23 Thread Mehrdad Varedi
Thank you very much Stefan and Moritz for your attention and replies. I found that you both exactly understand where is the problem. Let me be more specific about my primary issue. - v.buffer and v.import (v.in.ogr) - They freez. I found that my problem was reported in a post:#2185

Re: [GRASS-user] Need Help with speeding up v.import and reducing/removing null values from v.rast.stat results

2018-03-23 Thread Stefan Blumentrath
Hei Mehrdad, If your buffers are overlapping, topology will become an issue, as Moritz pointed out. Johannes Radinger once wrote a workaround for a specific use case that might be of help. See [1]. No idea if it would be possible to come up with something more generic for v.rast.stats… In v.ra

Re: [GRASS-user] [GRASS-dev] PROJ 5 support in trunk

2018-03-23 Thread Luca Delucchi
On 23 March 2018 at 11:30, Martin Landa wrote: > 2018-03-23 10:55 GMT+01:00 Moritz Lennert : >>> As soon as PROJ 5.0.1 is out, I would like to drop support for PROJ 5.0.0 >>> and only support PROJ 4 and PROJ 5.0.1 or higher (learning from GDAL :-)). >> >> >> Wow ! Congratulations and thank you for

Re: [GRASS-user] [GRASS-dev] PROJ 5 support in trunk

2018-03-23 Thread Martin Landa
2018-03-23 10:55 GMT+01:00 Moritz Lennert : >> As soon as PROJ 5.0.1 is out, I would like to drop support for PROJ 5.0.0 >> and only support PROJ 4 and PROJ 5.0.1 or higher (learning from GDAL :-)). > > > Wow ! Congratulations and thank you for all this hard work !! +1 Ma -- Martin Landa http://

Re: [GRASS-user] [GRASS-dev] PROJ 5 support in trunk

2018-03-23 Thread Moritz Lennert
On 23/03/18 10:41, Markus Metz wrote: Now (last related commit is trunk r72522) it's finished. I have introduced a new GRASS API that handles both PROJ 4 and PROJ 5, consisting of GPJ_init_transform() (new, initializes coordinate transformation) GPJ_transform() replacing pj_do_proj() GPJ_trans

Re: [GRASS-user] Need Help with speeding up v.import and reducing/removing null values from v.rast.stat results

2018-03-23 Thread Moritz Lennert
On 22/03/18 22:40, Mehrdad Varedi wrote: Hi Everyone, I am trying to import few layers with nearly 700,000 buffer areas around the same number of points. Fr each layer t takes more than 4-5 hours and most of the time, it just stops in the middle of the process. Any idea that which kind of laye

Re: [GRASS-user] [GRASS-dev] PROJ 5 support in trunk

2018-03-23 Thread Markus Metz
On Thu, Mar 22, 2018 at 4:38 PM, Markus Metz wrote: > > > > On Thu, Mar 22, 2018 at 7:16 AM, Markus Neteler wrote: > > > > On Tue, Mar 20, 2018 at 8:04 PM, Markus Metz > > wrote: > > > Hi all, > > > > > > I have added support for the new PROJ 5+ API in trunk, finished with r72433. > > > > That's