[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,
--
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I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
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