[Qgis-user] Georeferencing images

[Richard Duivenvoorde]

There is also the

Freehand raster georeferencer pluguin:

http://plugins.qgis.org/plugins/FreehandRasterGeoreferencer/

as an alternative to do 'easy' visual georeferencing.

I think it is quite promissing

Regards,

Richard Duivenvoorde

On 07/21/2018 09:26 PM, Nicolas Cadieux wrote:
> Hi,
> Play with the placement algorithms.  Start with  the basic Helmert with 2 or more points. Anything more than 2 points and you will see where the distortions come from and give you an idea of what your are dealing with.   Finish with Thin Plate Spline (TPS).
> Nicolas
> 
>> Le 21 juill. 2018 à 14:33, Wolstan H M Dixie <wolstan-dixie at hotmail.co.uk> a écrit :
>>
>> Thanks everyone - I discovered the Plugin! However it takes a bit of 
>> practice, and sometimes it fails to position the image correctly - I 
>> think it needs more that 4 points, probably about 8, to work properly.
>>
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