AW: [Qgis-user] Georeferencer plugin and helmert method

[Ziegler Stefan]

Hi

thanks for the answers so far. Since it seems that it's not working it definitely should be removed. But it would be great to have a helmert transformation method even if it's not the most accurate method for scanned plans. 
I tried now polynomial 1 with success. So it was a wrong GCP...

There are 3 issues I noticed:

- QGIS crashes when you try to create and load a georeferenced map after the warp options dialog a second time. It does not crash if you close the georefencer dialog and reload the raster.
- The map disappears in the georeferencer dialog after georectifying. Only the GCP with labels are visible.
- Processing a black and white raster image ends up with a completely black image. Probably a GDAL issue?

regards
Stefan

----- Originalnachricht -----
Von: Alex Mandel <tech_dev at wildintellect.com>
Gesendet: Mon, 21.9.2009 18:47
An: qgis-user at lists.osgeo.org
Betreff: Re: [Qgis-user] Georeferencer plugin and helmert method

Ziegler Stefan wrote:
> Hi
> 
> I'm trying to use the helmert transform method in the georeferencer plugin. QGIS (code revision 11761) crashes after hitting the ok button of the "A Helmert transform requires ...." message box. All the other methods are working. 
> Is anybody using the helmert method with success? 
> 
> regards
> Stefan
> 

It's always crashed on me since way back in the day (0.9ish), we should
probably just remove it, or put it at the end of the list. Polynomial is
the recommended method anyways.

Alex

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