[gdal-dev] FW: gdal_merge.py

HI Gdal, Just wanted to follow this up. Cheers, Ian From: Ian Reese Sent: Monday, 12 March 2018 6:55 p.m. To: gdal-dev@lists.osgeo.org Subject: gdal_merge.py Hi Gdal, I am having some issues with gdal_merge.py. When I merge two tifs together, the original nodata value is converted to 0, no

Re: [gdal-dev] GDAL with Teigha DWG driver

Hi Nicol, I've been through the same problem. Actually, I was helping someone that had that problem. If I remember correctly, the SDK that you download from the site doesn't have some needed components to build the GDAL driver. You would need to register ($?) with that company to get the full

Re: [gdal-dev] [GRASS-dev] PROJ 5 support in trunk

On Mon, Mar 26, 2018 at 10:51 PM, Kristian Evers wrote: > > > On 26 Mar 2018, at 21:21, Markus Metz > wrote: > > There is an important difference between the PROJ4 and the PROJ5+ > API/syntax: > > The old PROJ4 API uses latlong WGS84 as pivot datum

[gdal-dev] GDAL with Teigha DWG driver

Hello List, I am trying to compile GDAL 2.2.4 with TeighaFileConverter_4.3.2.0 (htt ps://www.opendesign.com/guestfiles/teigha_file_converter). The configure parameters are: --with-teigha=/usr/bin/TeighaFileConverter_4.3.2.0 --with-teigha- plt=Linux Unfortunately the make command fails with: In

Re: [gdal-dev] gdal translate/warp goes16

I never did resolve this issue, but using the python libraries instead worked out fine. -s From: Beale, Steven [mailto:steven.be...@woodplc.com] Sent: Wednesday, March 21, 2018 3:39 PM To: Zachary Flamig ; Steven Beale Cc:

Re: [gdal-dev] how to preserve color-interpretation when merging TIFFs and adding alpha band with gdalbuildvrt+gdalwarp?

On mardi 27 mars 2018 15:11:31 CEST Raphael Das Gupta wrote: > https://gis.stackexchange.com/q/274775/51574 If you use latest GDAL 2.2.4, you don't even need to add -setci to gdalwarp The fact that the resulting raster doesn't display well by default with QGIS 2.18 (actually I also find it to be

[gdal-dev] how to preserve color-interpretation when merging TIFFs and adding alpha band with gdalbuildvrt+gdalwarp?

Heya GDALers Is someone here able to answer https://gis.stackexchange.com/q/274775/51574 ? (I didn't get any answers on GIS Stack Exchange, yet. If more information is needed, please let me know here or on Stack Exchange.) Is my approach (i.e. aiming to preserve color interpretation) even the

Re: [gdal-dev] limiting drivers that get registered

On 27/03/18 22:00, Even Rouault wrote: > Ah that was apparently your actual need rather than limiting the number of > drivers per-se. Do you have profiled where time was lost if you find opening > too slow ? The identification logic of drivers is supposed to operate fast > (extension based, or

Re: [gdal-dev] limiting drivers that get registered

On mardi 27 mars 2018 21:51:46 CEST Ben Elliston wrote: > On 27/03/18 21:49, Even Rouault wrote: > > Hum why would you need to call GDALAllRegister() if you already manually > > registered some of them ? > > Because reordering the driver list by placing commonly used drivers at > the head of the

Re: [gdal-dev] limiting drivers that get registered

On 27/03/18 21:49, Even Rouault wrote: > Hum why would you need to call GDALAllRegister() if you already manually > registered some of them ? Because reordering the driver list by placing commonly used drivers at the head of the list makes a significant difference in the time taken to open

Re: [gdal-dev] limiting drivers that get registered

On mardi 27 mars 2018 21:09:41 CEST Ben Elliston wrote: > Hi Even > > On 08/03/18 23:34, Even Rouault wrote: > > If you use GDAL as a library from your own code (C/C++), you can also > > directly call the GDALRegister_() / OGRRegister() functions you > > are interested in, instead of

Re: [gdal-dev] limiting drivers that get registered

Hi Even On 08/03/18 23:34, Even Rouault wrote: > If you use GDAL as a library from your own code (C/C++), you can also > directly call the GDALRegister_() / OGRRegister() functions you > are interested in, instead of GDALAllRegister() This is ideal, as it allows a handful of drivers to