[gdal-dev] Gdaltindex

[Rahkonen Jukka]

Hi,

You are right, images that are told to be skipped are really skipped and I have
nasty holes in tileindex in that place. Behaviour relates somehow to where I run 
the command. If I run gdalindex from the same directory where the images are it
goes through OK.  Even if I still give the full path to images, e.g.

G:\Data\Shares\Ilmakuva2\Ilmakuvat\M059_WMS>gdaltindex test.shp
G:\Data\Shares\Ilmakuva2\Ilmakuvat\M059_WMS\*.tif

That one works, but if I run the same command from some directory on D: disk
it fails with some images.  This is server machine and D: is a partion on 
system disk. G: is some SCSI or PATA disk unit, I am not sure. Perhaps that is
part of the problem. I can repeat the error and it happens with just downloaded
FWTools 2.2.8 as well.

-Jukka Rahkonen- 

> -----Alkuperäinen viesti-----
> Lähettäjä: Even Rouault [mailto:even.rouault at mines-paris.org] 
> Lähetetty: 15. joulukuuta 2008 20:07
> Vastaanottaja: Rahkonen Jukka
> Kopio: gdal-dev at lists.osgeo.org
> Aihe: Re: [gdal-dev] Gdaltindex
> 
> Hi,
> 
> the behaviour you describe is a bit weird. When you get the 
> error message "Unable to open 'foo', skipping", there's no 
> way in the source code of gdaltindex.c that 'foo' is added to 
> the tile index (or I should reopen my C books ;-)). Are you 
> sure the file was not already in the tile index before 
> running this command ? That's the only explanation I have for 
> such a behaviour. But I don't understand though why 
> gdaltindex wouldn't manage to open it, but gdalinfo would succeed.
> 
> Then, the warnings about .tif.ovr being not recognized can 
> probably explained by the fact that when you GDALOpen a .tif 
> file, it will also try to open the related overview file. It 
> looks like those overviews are corrupted. 
> 
> Best regards,
> Even
> 
> Le Monday 15 December 2008 14:15:02, vous avez écrit :
> > Hi,
> >
> > I was creating tileindexes with gdaltindex from FWTools 2.2.6 on 
> > Windows and I received strange looking error messages if I had 
> > external overviews in directories. So far it looks like the 
> resulting 
> > shapefile is OK and it has polygons for all image files. However, 
> > while it is somehow understandable to get error messages about 
> > external overviews (named
> > .tif.ovr) gdaltindex gives also errors about some .tif files. As I 
> > said, tileindex shapefiles seem to be OK despite of all the 
> error messages.
> >
> > My command line was like:
> > gdaltindex M105_WMS.shp	
> G:\Data\Shares\Ilmakuva2\Ilmakuvat\M105_WMS\*.tif
> >
> > A few examples of the error messages follow with couple of 
> my comments 
> > marked with ***
> >
> >   Unable to open
> > G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > M105_WMS\FMI_2007_M105_TM35_114107D.tif, skipping.
> >
> > *** This file exists, it is OK for gdalinfo, and it is 
> included in the 
> > resulting tileindex so it was not skipped really.
> >
> >   ERROR 4:
> > `G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > M105_WMS\FMI_2007_M105_TM35_114111C.tif.ovr'
> > not recognised as a supported
> > file format.
> >
> > *** Perhaps external overview mechanism for tiff files have made it 
> > necessary to make program to understand that *.tif should 
> not include 
> > *.tif.ovr files?
> >
> > ERROR 1:
> > TIFFFetchDirectory:G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > 105_WMS\FMI_2007_M105_TM35_114302D.tif.ovr:
> > Can not read TIFF directory count
> > ERROR 1: TIFFReadDirectory:
> > Failed to read directory at offset 123088580 ERROR 1:
> > TIFFFetchDirectory:G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > M105_WMS\FMI_2007_M105_TM35_114303D.tif.ovr:
> > Can not read  TIFF directory count
> > ERROR 1: TIFFReadDirectory:
> > Failed to read directory at offset 123088580 ERROR 4:
> > `G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > M105_WMS\FMI_2007_M105_TM35_114305B.tif'
> >  not recognised as a supported file
> >  format.
> >
> > Unable to open
> > G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > M105_WMS\FMI_2007_M105_TM35_114305B.tif,
> > skipping.
> > ERROR 4:
> > `G:\Data\Shares\Ilmakuva2\Ilmakuvat\
> > M105_WMS\FMI_2007_M105_TM35_114306A.tif'
> > not recognised as a supported file
> >  format.
> >
> > -Jukka Rahkonen-
> >
> > _______________________________________________
> > gdal-dev mailing list
> > gdal-dev at lists.osgeo.org
> > http://lists.osgeo.org/mailman/listinfo/gdal-dev
> 
> 
>