Re: [gdal-dev] Custom vertical transformations

2021-10-12 Thread Kristian Evers via gdal-dev
3:36 > To: Kristian Evers ; gdal-dev@lists.osgeo.org > Subject: Re: [gdal-dev] Custom vertical transformations > > Kristian, > > https://github.com/OSGeo/gdal/pull/4639 will allow you to use an > arbitrary pipeline to do a vertical transformation through gdalwarp > > Even

Re: [gdal-dev] Custom vertical transformations

2021-10-11 Thread Even Rouault
m: Even Rouault Sent: 20. august 2021 17:30 To: Kristian Evers ; gdal-dev@lists.osgeo.org Subject: Re: [gdal-dev] Custom vertical transformations Regarding your immediate issue, the workaround I see would be that you use PROJ to create a regular grid that contains the vertical correction, use gdalwa

Re: [gdal-dev] Custom vertical transformations

2021-08-23 Thread Kristian Evers via gdal-dev
r extending the scope of gdalwarp to the 3D-space. /Kristian > -Original Message- > From: Even Rouault > Sent: 20. august 2021 17:30 > To: Kristian Evers ; gdal-dev@lists.osgeo.org > Subject: Re: [gdal-dev] Custom vertical transformations > > > > Regarding

Re: [gdal-dev] Custom vertical transformations

2021-08-20 Thread Even Rouault
Regarding your immediate issue, the workaround I see would be that you use PROJ to create a regular grid that contains the vertical correction, use gdalwarp to transform it to the exact extent and resolution of the result of your 2D-only gdalwarp, and finally use gdal_calc to sum the two.

Re: [gdal-dev] Custom vertical transformations

2021-08-20 Thread Even Rouault
Kristian, your question kind of intersects https://lists.osgeo.org/pipermail/gdal-dev/2021-August/054529.html Two part answer: A) I guess that there's an issue with axis order and units in your pipeline. In particular if your DHYMSEA_1km_6150_542.tif has a EPSG geographic CRS set, then the

[gdal-dev] Custom vertical transformations

2021-08-20 Thread Kristian Evers via gdal-dev
Hi list, I am trying to apply a custom vertical transformation to a grid using gdalwarp and am struggling a bit to get the results I want. It's entirely possible I am trying something not within the capabilities of gdalwarp but I am sure someone here can help me figure that out. I am devising