Folks,
I received the following report from Václav on the GDAL TMS driver status:
"""
Since the final deadline has approached, I am sending you the result of
my futile attempt to implement the TMS driver.
The reading part sort of works. The driver always assumes Origin is in
the bottom left corner of the map. There is no support for profiles and
projections. It will read the raster data from disk.
I could not get the writing right. During testing, gdal_translate
regularily calls methods on dataset that has already been deleted, don't
know why. The driver will write the xml resource file, create the
directory structure and fill it with empty tiles. Writing after this
point doesn't work, the cached tiles won't be written and for the life
of me I don't know why. Also the IRasterIO implementation is probably
bogus too, since gdal_translate calls IWriteBlock only on the
TopRasterBand instead of on all overviews as it should. There are no
output settings, tiles are hardcoded to PNG, 256x256 pixels.
"""
I have uploaded the source he supplied into /spike/tms in the GDAL
subversion and added some notes on how to build and test it at:
http://trac.osgeo.org/gdal/wiki/SoCTMSDriver
The project period is over, and it isn't clear whether Václav will be
doing any more work on the driver. I'm available to consult and help
with anyone wanting to carry this effort forward. For the time being
the project artifacts are captured in the wiki and subversion and should
not be lost.
Best regards,
FrankW
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