[Gvsig_english] problem when using the georeferencing function in gvSIG 1.1.2

[Benjamin Ducke]

Hi Wolfgang,

we have a short outline of the georeferencing tool
in our "Quickstart Guide" here:

ftp://88.208.250.116/gvSIG_OADE_Quickstart.pdf

maybe that will help.

3 points always worked fine for me ...

Ben


Wolfgang Qual wrote:
> Dear list,
> I tried several times to georeference an image file using the georeferencing function of gvSIG 1.1.2 - and failed. Everytime, I placed 3 tic-points (located more or less at the corners of the image itself) and corresponding points on the vector map. However, when clicking on OK (to finish the georeferencing process). The picture looks very strange. Image file and vector dataset do not fit together as they should. I would expect that at least the three tic-point pairs would fit, but they do not. Another thing which is worrying me is that although I am able to reload the "georeferenced" layer, via Add layer --> Georeference..., but I cannot see the table of  the coordinates of the georeferencing process. This should be possible, I think.
> I am using gvSIG 1.1.2 on linux (1045). I would be very glad, if you could write some comments on this issue - is the georeferencing extension working on your machine? Are there any known bugs? What should one keep in mind when using this tool? Use more tic-points (but normally, 3 should be enough, I thought)...
> 
> Best regards,
> Wolfgang
> 


-- 
Benjamin Ducke
Senior Applications Support and Development Officer

Oxford Archaeology Ltd
Janus House
Osney Mead
OX2 0ES
Oxford, U.K.

Tel: +44 (0)1865 263 800 (switchboard)
Tel: +44 (0)1865 980 758 (direct)
Fax :+44 (0)1865 793 496
benjamin.ducke at oxfordarch.co.uk




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