[Gdal-dev] does gdaltindex support MapInfo GIF+GIF format?

Frank Warmerdam warmerdam at pobox.com
Tue May 23 11:10:15 EDT 2006


Zhonghai Wang wrote:
> Hi guys,
>  
> I've posted this question in the MapServer list, but I did not get any 
> reasonable solution, I'd like to post it here again, hope somebody 
> can give me some clues.
>  
> I have a subfolder of GIF raster image, and each GIF file has a 
> corresponding TAB file, which specifies the coordinate information for 
> the GIF image, the content of the TAB is something like this:
>  
> ***
> !table
> !version 300
> !charset WindowsLatin1
> 
> Definition Table
>   File "m_1_1_1000.gif"
>   Type "RASTER"
>   (5.290517,48.2308475) (1392,987) Label "Pt 1",
>   (5.25001439194036,48.25) (0,0) Label "Pt 2",
>   (5.25001439194036 ,48.211695) (0,1974) Label "Pt 3",
>   (5.33101960805964,48.25) (2784,0) Label "Pt 4",
>   (5.33101960805964,48.211695) (2784,1974) Label "Pt 5"
>   CoordSys Earth Projection 1, 104
>   Units "degree"
> ***
> 
> but if I perform the gdaltindex command to create a tile shapefile for 
> the images, an error occurs:
> 
>  >>no georeferencing info available for the images file, performance 
> will be skipped.
> 
> and I also get some info from the "Raster Data Access" document, "The 
> only way to georeference GIF files is with a world file. ", is it really 
> so?if it's true, there will be a huge project for me to change all the 
> TAB files.
> 
> hope that someone can help.
> 
> thanks so much for any info.

Zhonghai,

As I think was explained on the mapserver list, GDAL does not currently
support mapinfo tab files as a source of georeferencing for raster files.
So you will need to manually or by script create world files for from the
.tab files.

Good luck,

-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGF, http://osgeo.org




More information about the Gdal-dev mailing list