Jeremy Short wrote:
I have used gdal2tiles.py to convert a simple very large png file to
many small tiled images. The command I used is “gdal2tiles.py
BigWhite_600.png tiledmaps/
...
It's my understanding I could create a tileindex from one of these sets
of tiled images using
“gdaltindex test.shp tiledmaps/0/0/0.png” and the shape file test.shp
would be created and I could use this in the map file. However, when I
run the above command I get the messages
“
ERROR 4: Unable to open test.shp or test.SHP.
Creating new index file...
It appears no georeferencing is available for
`tiledmaps/0/0/0.png', skipping.
”
As mentioned above I do have a world file BigWhite_600.pnw. Do I somehow
have to include the tiled directory structure into the world file? I
thought gdaltindex would create a world file for me? Any ideas as I
don't know what to do now? Thank you for reading this.
Jeremy,
The gdal2tiles script produces tiles suitable for use with various web
mapping environments and I believe the georefernecing of each individual
tile is implicit in it's name, and relationship to the whole tree. So
I don't think it is suitable for what you want to do.
I think the gdal_retile.py script might be more suitable for your use.
http://www.gdal.org/gdal_retile.html
Best regards,
--
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I set the clouds in motion - turn up | Frank Warmerdam, [EMAIL PROTECTED]
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and watch the world go round - Rush | President OSGeo, http://osgeo.org
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