Re: [GRASS-user] map algebra logical operators on DCELL rasters not admitted? maybe docs should outline it

2015-10-20 Thread Moritz Lennert
On 20/10/15 09:44, Moritz Lennert wrote: On 19/10/15 21:16, Glynn Clements wrote: G. Allegri wrote: Doing a logical operation with a DCELL raster within an if(x,a) statement produces an error: "Incorrect argument types to function bitand()". First, you're confusing bitwise operators and

Re: [GRASS-user] map algebra logical operators on DCELL rasters not admitted? maybe docs should outline it

2015-10-20 Thread Moritz Lennert
On 19/10/15 21:16, Glynn Clements wrote: G. Allegri wrote: Doing a logical operation with a DCELL raster within an if(x,a) statement produces an error: "Incorrect argument types to function bitand()". First, you're confusing bitwise operators and logical operators. & and | are bitwise

[GRASS-user] Problems w/ v.rectify for 3D Cross-Section

2015-10-20 Thread Phillip Allen
Hi All, It has been a few years since I had the time to work with Grass and I must say the new 7.1 version looks interesting. I have a vector geological cross-section digitized in the horizontal with all Zs=0 meters and I would like to properly Geo-reference it in 3D so it lines up with my 3D

[GRASS-user] Something wrong: Reprojection of raster maps in various platforms: projected coordinates are different

2015-10-20 Thread Uttam Kumar
I have been trying for a long time. Something wrong is going on. I appreciate if you can correct me. I have all my source images in sinusoidal projection in a location called "Landsat_sinu". My target locatoin is "Landsat_laea" I tried using the default option in GRASS GUI as follows: 1.)

Re: [GRASS-user] v.to.3d -r option not working properly

2015-10-20 Thread Pedro Venâncio
Hi Anna, Then I wanted to transform the z-coordinate to > >> an attribute column using >> v.to.3d -r input=contour_3d col="CONC" output=contour_2d >> (I added CONC column to contour_3d before, using v.db.addcol >> map=contour_3d >> columns="CONC double precision"). >> However, the resulting

Re: [GRASS-user] v.to.3d -r option not working properly

2015-10-20 Thread Anna Petrášová
On Tue, Oct 20, 2015 at 6:41 PM, Pedro Venâncio wrote: > Hi Anna, > > > Then I wanted to transform the z-coordinate to >> >>> an attribute column using >>> v.to.3d -r input=contour_3d col="CONC" output=contour_2d >>> (I added CONC column to contour_3d before, using

Re: [GRASS-user] Something wrong: Reprojection of raster maps in various platforms: projected coordinates are different

2015-10-20 Thread Moritz Lennert
On 20/10/15 19:08, Uttam Kumar wrote: I have been trying for a long time. Something wrong is going on. I appreciate if you can correct me. I have all my source images in sinusoidal projection in a location called "Landsat_sinu". My target locatoin is "Landsat_laea" I tried using the default