[gdal-dev] gdal2tiles.py issue

[Jerl Simpson]

Thank you thank you thank you,  GREATLY appreciated!

Typed with thumbs...
On Apr 22, 2011 12:25 PM, "Klokan Petr Pridal" <klokan at klokan.cz> wrote:
> Hi Jerl,
>
> please read this issue report:
>
> http://code.google.com/p/maptiler/issues/detail?id=6
>
> It gives you also explanation and also workaround for this problem
>
> Best regards,
>
> Petr alias Klokan
>
> On Thu, Apr 21, 2011 at 5:50 PM, Jerl Simpson <jsimpson at wxtrends.com>
wrote:
>> Hi guys:
>>
>> I posted a similar question a week or so ago, but have slightly
>> different information that might help me reach a solution.
>>
>> I'm using gdal2tiles.py to tile up an image for google maps.  It works
>> great right up to the 180th meridian.  That's where it introduces a
>> transparent strip on the edge of the image.
>> Here's the original image:  http://maps.craniumjuice.com/TMXF.png
>> Here's a screen shot showing the gap:
http://maps.craniumjuice.com/gap.png
>>
>> If I slice up the original file using imagemagick, there's no gap at
>> the border. It takes forever and I didn't get a screen shot.  Plus the
>> Y values are flipped so it doesn't overlay properly, it was just a
>> proof of concept that the full image is really there, it definitely
>> is.
>>
>> Any ideas what could be causing the transparent strip at the end?
>>
>> This gdal2tiles.py command gives me the gap from the screen shot:
>> gdal2tiles.py -s EPSG:4326 -z 2 TMXF.png .
>>
>> I also tried treating it as just a raster file and got really bizarre
results:
>> gdal2tiles.py -p raster -z 2 TMXF.png .
>>
>> If I use an image that's the size of the original data, I don't get
>> all the images.
>>
>> If I use gdal_translate to make it a 4096x4096 image, it gives me all
>> the tiles, but they're not right either.  That gives me a 64x64 image
>> with the rest of the 256x256 of the image transparent.
>> http://maps.craniumjuice.com/1.png
>>
>> I'm sure there's some setting or something I can do to get the full
>> image tiled up with out adding these transparent stripes around the
>> tile, I just can't find it.
>>
>> I'm using GDAL 1.8.0, released 2011/01/12
>>
>> I appreciate any insight you might be able to give.
>>
>> Thanks
>>
>> Jerl
>> _______________________________________________
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>> gdal-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>
>
>
>
> --
> http://blog.klokan.cz/
> http://www.maptiler.org/
> http://www.oldmapsonline.org/
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