Proposal of gdalsplit utility

[Mateusz Łoskot]

Recently, users requested for image splitting utility based on GDAL.

Some time ago, Homme Zwaagstra posted ​Raster splitting program on the gdal-dev list.

I took Homme's program, updated it and tested and I decided to submit it as a GDAL enhancement, as I believe it would be worth to include it to the set of GDAL utilities.

I'm attaching 3 files:

• gdalsplit.cpp - the raster splitting utility
• patch for gdal/apps/makefile.vc adding build target for the gdalsplit.cpp program into the GDAL building infrastructure for Visual C++ compiler
• patch for gdal/apps/GNUmakefile applying equivalent changes as the patch above but for GCC and make on Unix platforms

In order to build it:

• download the gdalsplit.cpp file
• put into gdal/apps directory in GDAL sources tree
• apply patches for makefiles
• build GDAL as usually

I hope the gdalsplit will be helpful.

I'd like to send thanks to Homme Zwaagstra for creating this tool.

[Mateusz Łoskot]

Patch for GNUmakefile

[Mateusz Łoskot]

Patch for makefile.vc

[Markus Neteler]

I am very interested in this and the request regularly pops up in the list...

MArkus

[Mateusz Łoskot]

Markus,

Do you mean you'd like to see gdalsplit included to the set of official utilities?

[Markus Neteler]

It would be great to have it in the set of official utilities. And I guess/hope that further maintenance will be low effort.

[warmerdam]

I concerned that this utility will duplicate similar functionality implemented as part of the tile driver project this summer:

http://trac.osgeo.org/gdal/wiki/SoCTileDriver

[Markus Neteler]

Frank,

I see that there is gdal2tiles.py now in GDAL, but I don't see how to create a defined number of tiles from that. I still think that a gdalsplit[.py] tool would be very useful.

Markus

[dadedodo]

This is a useful utility. Can you insert in official utilities? This could be a best way to use it in future.

Thanks

Donal

[Markus Neteler]

Updated patch for GNUmakefile

[Markus Neteler]

Updated patch for makefile.vc

[Markus Neteler]

Raster splitting utility with fixed headers

[Markus Neteler]

Frank,

this tool is unrelated to gdal2tiles.py since I need to define the number of tiles to be created and don't need any KML overhead. I have updated the patches to trunk.

Markus

[Jukka Rahkonen]

After six years passed from the latest sign of activity, I agree with Markus "I still think that a gdalsplit[.py] tool would be very useful."

[Markus Neteler]

Replying to jratike80:

After six years passed from the latest sign of activity, I agree with Markus "I still think that a gdalsplit[.py] tool would be very useful."

FWIW, we have meanwhile implemented it in GRASS GIS 7:

​http://grass.osgeo.org/grass70/manuals/r.tile.html

[Even Rouault]

This ticket has been automatically closed because Trac is no longer used for GDAL bug tracking, since the project has migrated to GitHub. If you believe this ticket is still valid, you may file it to ​https://github.com/OSGeo/gdal/issues if it is not already reported there.