Re: [GRASS-user] more plotting errors

2017-05-17 Thread Anna Petrášová
On Wed, May 17, 2017 at 3:56 PM, Tyler Smith wrote: > On Wed, May 3, 2017, at 12:32 PM, Anna Petrášová wrote: >> On Wed, May 3, 2017 at 11:30 AM, Tyler Smith wrote: >> > Hi again, >> > >> > Having solved my GUI/Python issues from yesterday, I'm now getting

Re: [GRASS-user] more plotting errors

2017-05-17 Thread Tyler Smith
On Wed, May 3, 2017, at 12:32 PM, Anna Petrášová wrote: > On Wed, May 3, 2017 at 11:30 AM, Tyler Smith wrote: > > Hi again, > > > > Having solved my GUI/Python issues from yesterday, I'm now getting > > different errors when querying vector maps in the wx0 display: > > > >

Re: [GRASS-user] Documentation of distances in v.buffer?

2017-05-17 Thread Markus Metz
On Wed, May 17, 2017 at 4:37 PM, Moritz Lennert < mlenn...@club.worldonline.be> wrote: > > On 17/05/17 16:20, Nikos Alexandris wrote: >> >> Dear community, >> >> in v.buffer there is distance and minordistance (see manual). >> Perhaps this can be better explained. >> >> Is there an on-the-fly

Re: [GRASS-user] Vector attribute 'algebra' - calculating difference between areas of polygons

2017-05-17 Thread Moritz Lennert
On 17/05/17 17:32, James Duffy wrote: Hello list, I have two vectors (A and B), both of which are polygons of different sizes. They overlap each other, but not fully. I wish to calculate the area of each polygon (in meters) and perform the following: (A - B) / A Currently I think I can do

[GRASS-user] Vector attribute 'algebra' - calculating difference between areas of polygons

2017-05-17 Thread James Duffy
Hello list, I have two vectors (A and B), both of which are polygons of different sizes. They overlap each other, but not fully. I wish to calculate the area of each polygon (in meters) and perform the following: (A - B) / A Currently I think I can do this with the following: 1) Create a

Re: [GRASS-user] unit of step in v.surf.bspline: pixels ?

2017-05-17 Thread Moritz Lennert
On 17/05/17 14:38, Markus Metz wrote: On Wed, May 17, 2017 at 11:24 AM, Moritz Lennert > wrote: Do I understand correctly that the ew_step and ns_step parameters in v.surf.bspline take values in numbers of pixels ? Yes, the

Re: [GRASS-user] Documentation of distances in v.buffer?

2017-05-17 Thread Moritz Lennert
On 17/05/17 16:20, Nikos Alexandris wrote: Dear community, in v.buffer there is distance and minordistance (see manual). Perhaps this can be better explained. Is there an on-the-fly identification of the longest and shortest axis of the vector shape to be buffered? Does this apply only to

[GRASS-user] Documentation of distances in v.buffer?

2017-05-17 Thread Nikos Alexandris
Dear community, in v.buffer there is distance and minordistance (see manual). Perhaps this can be better explained. Is there an on-the-fly identification of the longest and shortest axis of the vector shape to be buffered? Does this apply only to certain types? Thank you, Nikos

Re: [GRASS-user] unit of step in v.surf.bspline: pixels ?

2017-05-17 Thread Markus Metz
On Wed, May 17, 2017 at 11:24 AM, Moritz Lennert < mlenn...@club.worldonline.be> wrote: > > Do I understand correctly that the ew_step and ns_step parameters in v.surf.bspline take values in numbers of pixels ? Yes, the unit of ew_step and ns_step is pixels. Same for the v.lidar.* modules and

Re: [GRASS-user] Indentify cell with maximum value per category of a cover map

2017-05-17 Thread Moritz Lennert
On 17/05/17 12:07, Johannes Radinger wrote: Hi, I'd like to identify the cell of maximum flow accumulation for each subbasin. For example, I have a cover raster map representing all my subbasins (each subbasin has its own cat value). Additionally, I have a flow accumulation map. Now, I'd like

[GRASS-user] Indentify cell with maximum value per category of a cover map

2017-05-17 Thread Johannes Radinger
Hi, I'd like to identify the cell of maximum flow accumulation for each subbasin. For example, I have a cover raster map representing all my subbasins (each subbasin has its own cat value). Additionally, I have a flow accumulation map. Now, I'd like to get a map with cells that are actually

[GRASS-user] unit of step in v.surf.bspline: pixels ?

2017-05-17 Thread Moritz Lennert
Do I understand correctly that the ew_step and ns_step parameters in v.surf.bspline take values in numbers of pixels ? Moritz ___ grass-user mailing list grass-user@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-user

Re: [GRASS-user] Column names of sqlite attribute tables while using v.import

2017-05-17 Thread Johannes Radinger
Thank you Moritz, that's what I thought. So I'll try the 'columns' option in v.in.ogr to rename the columns during import. /johannes On Tue, May 16, 2017 at 11:50 PM, Moritz Lennert < mlenn...@club.worldonline.be> wrote: > > > Le 16 mai 2017 22:16:03 GMT+02:00, Johannes Radinger < >