On Tue, Nov 19, 2019 at 11:03 PM Rahkonen Jukka (MML)
wrote:
>
> Hi,
>
> I would like to get some hints about using gdal_grid or some other utility
> for lake bathymetry. What I have is typically rather sparse point data of
> depths and the shoreline that includes the islands as in the attached
OK, we'll meet there but meanwhile have a look at
https://docs.generic-mapping-tools.org/latest/gmt.html#j-full
and search for the section
-J|EPSG:n
Unfortunately if your GMT is linked against GDAL 3.xx the EPSG form will not
work well because of the axis order (lon, lat swapped). This is fix
Hi,
I have converted depth points of a small lake into tab separated CSV and I have
generated surface, created contours and now I have an amusing plot of something
đ. I am somewhat lost with projections and actually everything but I think it
is better to continue the discussion in the GMT Q&A f
Jukka,
GMT will have the ability to read ogr formats (code for that is already in base
but need to convert to GMT internal data representation and that is far from
trivial). Meanwhile, if needed, just use ogr2ogr to convert your data to plain
ascii x y z files (binary data is good as well) and
These are important options. It would be nice if they could be
implemented in gdal_grid itself. Not sure how difficult that would be,
though.
Jan
On 11/21/2019 5:21 PM, Rahkonen Jukka (MML) wrote:
Hi Joaquim,
GMT surface probably has all the features that I need. I followed the tutorial
and
Hi Joaquim,
GMT surface probably has all the features that I need. I followed the tutorial
and managed to run surface demos, now I just need to learn how to use my own
data as input.
-Jukka-
-Alkuperäinen viesti-
Lähettäjä: Joaquim Manuel Freire LuĂs
Lähetetty: keskiviikko 20. marra
