[OpenDroneMap-users] No orthophoto output

Stephen Mather stephen at smathermather.com
Thu Sep 24 18:44:30 PDT 2015


Ok, so you'll have to create a ground control file to create an ortho --
otherwise there's no way for the software to know which way is up (Z). See:
https://github.com/OpenDroneMap/OpenDroneMap/wiki/2.-Running-OpenDroneMap

If you use the python-port branch:
https://github.com/OpenDroneMap/OpenDroneMap/tree/python-port

you can use a proper proj4 line at the top to get a georeferenced
orthophoto.

Dakota, do we have documentation of this yet?

Cheers!
Best,
Steve



On Thu, Sep 24, 2015 at 3:09 AM, Simon Stock <simon.stock at web.de> wrote:

> No, they don't have any GPS information in the EXIF data.
>
> Am 22.09.2015 um 21:31 schrieb Dakota Benjamin:
>
> Do your photos have GPS coordinates in the EXIF data? That would prevent
> the program from running orthophoto generation.
>
> Sent from Outlook <http://aka.ms/Ox5hz3>
>
> _____________________________
> From: Simon Stock <simon.stock at web.de>
> Sent: Tuesday, September 22, 2015 2:46 PM
> Subject: [OpenDroneMap-users] No orthophoto output
> To: <opendronemap-users at lists.osgeo.org>
>
>
>
> Dear List,
>
> I'm interested in using pictures taken with my Drone as one big
> orthophoto in GIS. So I installed OpenDroneMap on a machine running
> Linux Mint 17.2 yesterday and started playing around with the pacifica
> sample dataset.
> When I use the run.pl script without any options it runs for 40 minutes
> and finishes with this messages:
>
> - running georeferencing - Di 22. Sep 20:40:02 CEST 2015
>
> Warning: No GCP file. Consider rerunning with argument
> --odm_georeferencing-useGcp false --start-with odm_georeferencing
> Skipping orthophoto
>
> Compressing results - Di 22. Sep 20:40:02 CEST 2015
>
> - done - Di 22. Sep 20:40:05 CEST 2015
>
>
> When I rerun and use the suggested options (--odm_georeferencing-useGcp
> false --start-with odm_georeferencing) the script stops after just a few
> seconds with this messages:
>
> Error in OdmExtractUtm:
> No valid GPS position found
> For more detailed information, see log file.
> Error in Georef:
> Failed opening
> /home/simon/OpenDroneMap/ortho2/reconstruction-with-image-size-2400/odm_georeferencing/coordFile.txt
>
> for reading.
>
> quitting cause:
> "/home/simon/OpenDroneMap/ortho2/../bin/odm_georef" -bundleFile
> /home/simon/OpenDroneMap/ortho2/reconstruction-with-image-size-2400/pmvs/bundle.rd.out
>
> -coordFile
> /home/simon/OpenDroneMap/ortho2/reconstruction-with-image-size-2400/odm_georeferencing/coordFile.txt
>
> -inputFile
> /home/simon/OpenDroneMap/ortho2/reconstruction-with-image-size-2400-results/odm_texturing/odm_textured_model.obj
>
> -outputFile
> /home/simon/OpenDroneMap/ortho2/reconstruction-with-image-size-2400-results/odm_texturing/odm_textured_model_geo.obj
>
> -logFile
>
> /home/simon/OpenDroneMap/ortho2/reconstruction-with-image-size-2400/odm_georeferencing/odm_georeferencing_log.txt
> returned with code 256
>
>
> What am I doing wrong?
>
> Thanks a lot,
>
> Simon
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