[gdal-dev] Not able to use gdal_translate and a TMS source
Rahkonen Jukka (MML)
jukka.rahkonen at maanmittauslaitos.fi
Tue Oct 5 06:57:18 PDT 2021
Hi,
There is not so much wrong, you should just read https://gdal.org/drivers/raster/wms.html more carefully and write server URL this way:
<ServerUrl>https://tiles.wmflabs.org/osm-no-labels/${z}/${x}/${y}.png</ServerUrl>
-Jukka Rahkonen-
Lähettäjä: gdal-dev <gdal-dev-bounces at lists.osgeo.org> Puolesta andy
Lähetetty: tiistai 5. lokakuuta 2021 16.42
Vastaanottaja: gdal-dev at lists.osgeo.org
Aihe: [gdal-dev] Not able to use gdal_translate and a TMS source
Hi,
in QGIS I have set this XYZ source: https://tiles.wmflabs.org/osm-no-labels/{z}/{x}/{y}.png<https://tiles.wmflabs.org/osm-no-labels/%7bz%7d/%7bx%7d/%7by%7d.png>
QGIS renders it properly.
I have created this GDAL source
<GDAL_WMS>
<Service name="TMS">
<ServerUrl>https://tiles.wmflabs.org/osm-no-labels/{z}/{x}/{y}.png<https://tiles.wmflabs.org/osm-no-labels/%7bz%7d/%7bx%7d/%7by%7d.png></ServerUrl>
</Service>
<DataWindow>
<UpperLeftX>-20037508.34</UpperLeftX>
<UpperLeftY>20037508.34</UpperLeftY>
<LowerRightX>20037508.34</LowerRightX>
<LowerRightY>-20037508.34</LowerRightY>
<TileLevel>18</TileLevel>
<TileCountX>1</TileCountX>
<TileCountY>1</TileCountY>
<YOrigin>top</YOrigin>
</DataWindow>
<Projection>EPSG:900913</Projection>
<BlockSizeX>256</BlockSizeX>
<BlockSizeY>256</BlockSizeY>
<BandsCount>3</BandsCount>
<Cache />
<ZeroBlockHttpCodes>204,404</ZeroBlockHttpCodes>
</GDAL_WMS>
But if run
gdal_translate --debug ON -of PNG -projwin 5203413 2847209 5221042 2829459 -outsize 512 512 osm-no-labels.xml openstreetmap.png
I have a black PNG.
The debug shows me a wrong HTTP call (the below one), but I do not know how to modify my xml source to be able to run right requests.
HTTP: Request [1] https://tiles.wmflabs.org/osm-no-labels/{z}/{x}/{y}.png/1.0.0//12/2580/1758.jpg<https://tiles.wmflabs.org/osm-no-labels/%7bz%7d/%7bx%7d/%7by%7d.png/1.0.0/12/2580/1758.jpg>
What's wrong in my settings?
Thank you
--
___________________
Andrea Borruso
website: https://medium.com/tantotanto
38° 7' 48" N, 13° 21' 9" E, EPSG:4326
___________________
"cercare e saper riconoscere chi e cosa,
in mezzo all’inferno, non è inferno,
e farlo durare, e dargli spazio"
Italo Calvino
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