Re: [UMN_MAPSERVER-USERS] gdaltindex raster files (MapInfo gif + tab format)

[Zhonghai Wang]

Hi,

 

I've checked using "mapserv -v" and the GIF is supported.

 

but it's strange that I can not performed "gdalinfo --formats" or "gdal-congif --formats" to check if the GIF format is supported. I am using the precomplied MS4W on WinXP. Does this mean that my gdal utility is not really working? but I still can use some commands such as "gdalinfo" and "gdal_translate".

 

zhongahi
 

On 5/22/06, Zhonghai Wang <[EMAIL PROTECTED]> wrote:

Hi guys,

 

I get some info again from the "Raster Dat Access" document, and it indicates that:

 

****

GIF: If GD is configured with GIF (OUTPUT=GIF) support, then MapServer will also be able to read GIF files for raster layers. The only way to georeference GIF files is with a world file.

If GD is not configured with GIF support, it may still be available in GDAL

****

Is it true that GIF raster images can only be georeferenced with a worldfiles? TAB files are not supported?

zhonghai

On 5/22/06, Zhonghai Wang <[EMAIL PROTECTED] > wrote:

Hi guys,

I've found a way to do that, like this:

c:\.....rasterdata>dir /b /s tem\*.gif > index.txt
c:\.....rasterdata>gdaltindex index.shp --optfile index.txt

and this works well.

but georeferencing information in the TAB file can not be found by the command, an error message is something like:

>>>no georeferencing info is available, gdaltindex performance will be skipped.

actually there is georeferencing info in the TAB file, for each small gif image there is a corresponding TAB, e.g.:
***
!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"
***

why can it not be read by gdal?

thanks a lot

zhonghai

 

On 5/22/06, Mateusz Loskot <[EMAIL PROTECTED] > wrote:

Rahkonen Jukka wrote:
> Very first you can try giving the full path to your images, I mean
> c:\...\rasterdata\tem\*.gif. Let's see what happens.

It should not be the case.
I've checked gdaltindex from latest FWTools on Windows and
it works with relative and absolute paths.
Also, you can use forward or back slash:

gdaltindex test.shp data/*.tif

gdaltindex test.shp data\*.tif

Although, gdaltindex usage message suggests to use the former version
with Unix-like forward slash.

Cheers
--
Mateusz Łoskot
http://mateusz.loskot.net