Re: [GRASS-user] db.out.ogr issues [RESOLVED]

2018-08-10 Thread Rich Shepard
On Fri, 10 Aug 2018, Micha Silver wrote: I was trying to point out that, regardless if the units are meters or feet, when you transform to a different CRS, you change all three values of the location, x,y and z. For example: micha@TP480:~$ echo "35.3 30.8 -180" | cs2cs +init=epsg:4326 +to

Re: [GRASS-user] db.out.ogr issues [RESOLVED]

2018-08-10 Thread Micha Silver
On 08/10/2018 05:45 PM, Rich Shepard wrote: On Fri, 10 Aug 2018, Micha Silver wrote: If I understand, you have a vector of points with x,y and z in the attribute table, and you want to transform to some

Re: [GRASS-user] db.out.ogr issues [RESOLVED]

2018-08-10 Thread Rich Shepard
On Fri, 10 Aug 2018, Micha Silver wrote: Pardon for butting in... Micha, It was not a private conversation. If I understand, you have a vector of points with x,y and z in the attribute table, and you want to transform to some different coordinate system, while also transforming the

Re: [GRASS-user] db.out.ogr issues

2018-08-10 Thread Micha Silver
Pardon for butting in... On 08/10/2018 04:45 PM, Rich Shepard wrote: On Thu, 9 Aug 2018, Daniel Victoria wrote: Try using v.to.db to add the coordinates of each point to the attribute table and then export it

Re: [GRASS-user] db.out.ogr issues

2018-08-10 Thread Rich Shepard
On Thu, 9 Aug 2018, Daniel Victoria wrote: Try using v.to.db to add the coordinates of each point to the attribute table and then export it using DB.out.ogr. Daniel, The points have an elevation -- in feet -- associated with the geographic location. Is there a grass module that will

Re: [GRASS-user] db.out.ogr issues

2018-08-10 Thread Rich Shepard
On Thu, 9 Aug 2018, Daniel Victoria wrote: The lat/long coordinates you get from DB.out.ogr probably comes from your vector attributes, which contains the old coordinates. Daniel, Yes, that's the source since db.out.ogr dumps the attribute table. When you project the data in Grass, the

Re: [GRASS-user] db.out.ogr issues

2018-08-09 Thread Daniel Victoria
The lat/long coordinates you get from DB.out.ogr probably comes from your vector attributes, which contains the old coordinates. When you project the data in Grass, the coordinates in the vector geometry are updated but the attribute table is not changed. Try using v.to.db to add the coordinates

[GRASS-user] db.out.ogr issues

2018-08-09 Thread Rich Shepard
I have precipitation data for all stations within a county. The geographic coordinates of the source are lon/lat. These were imported to a lon/lat directory using v.in.ogr then reprojected (v.proj) to the standard state projection (EPSG 2838). I want to run spatial analyses on these data in