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On 19/09/15 08:14, Alistair Young wrote:<br>
<span style="white-space: pre;">> Thanks for that. I tried ctb but just got "Could not get transformation
> information from source dataset². Chaning gdal2tiles to output 200x200
> worked ok but the SDK failed to display the tiles. I just have a 4000x4000
> tif with no geo referencing information so I can only generate raster
> profile tiles.</span><br>
<br>
Alistair, you'll have trouble getting anything useful out of any
geospatial<br>
tools without inputting datasets that are correctly georeferenced
with an<br>
appropriate spatial reference system. Assuming you know the extents
of your<br>
4000x4000 raster, you should be able to do this by creating a
virtual raster<br>
with gdal_translate using options along the following lines:<br>
<br>
gdal_translate -of VRT -a_srs srs_def -a_ullr ulx uly lrx lry
in.tif out.vrt<br>
<br>
Passing out.vrt to ctb should resolve the error, and you'll have
more chance<br>
with other tools too.<br>
<br>
Best regards,<br>
<br>
Homme<br>
<br>
<span style="white-space: pre;">>
> Alistair
>
>
> -----------------
> mov eax,1
> mov ebx,0
> int 80
>
>
>
>
> On 18/09/2015 00:36, "<a class="moz-txt-link-abbreviated" href="mailto:gdal-dev-bounces@lists.osgeo.org">gdal-dev-bounces@lists.osgeo.org</a> on behalf of Brad
> Hards" <a class="moz-txt-link-rfc2396E" href="mailto:gdal-dev-bounces@lists.osgeo.orgonbehalfofbradh@frogmouth.net"><gdal-dev-bounces@lists.osgeo.org on behalf of bradh@frogmouth.net></a>
> wrote:
>
>> On Thu, 17 Sep 2015 06:03:15 PM Alistair Young wrote:
>>> I've been using gdal2tiles to generate zoom levels and tiles and it's
>>> working fine but unfortunately the tiles are 256x256 and don't work with
>>> the UK Ordnance Survey mapping SDK, which requires 200x200 tiles. Is
>>> there
>>> a way to generate these 200x200 tiles? I can generate them using
>>> gdal_retile but it can't generate the zoom levels.
>> I'd suggest just hacking the python script. Make a copy, and edit the
>> __init__() function to change the tileSize member init to be 200 vs 256.
>>
>> Worth a quick try at least.
>>
>> Brad
>>
>>
>> _______________________________________________
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>> <a class="moz-txt-link-freetext" href="http://lists.osgeo.org/mailman/listinfo/gdal-dev">http://lists.osgeo.org/mailman/listinfo/gdal-dev</a>
>
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