Of course in my example the file exists. Otherwise this command would not make
sense without -ts or -ts options.
I figured out what the problem was. Existed raster was created with COG
layout. And in this case gdal_rasterize error ( Size and resolution are
missing ) is very confusing.
>Monday, October 6, 2025 11:32 AM +03:00 from Rahkonen Jukka <
>[email protected] >:
>
>Hi,
>
>Are you sure that it worked like
>gdal_rasterize -burn 0 shape.shp hillshade.tif
>if hillshade.tif file did not exist? It the file exists then the command
>should still work. Examples 1 and 2 are burning geometries into an existing
>file. The example 3 writes a new tif and it includes the target size parameter
>"-ts 1000 1000".
>The error "Size and resolution are missing" is slightly wrong, it should be
>"Size OR resolution are missing". You do not need both, and actually user
>would need to be careful for making them match because they depend on each
>other.
>
>In conclusion, you wrote "This means that to use the gdal_rasterize, you first
>need to know the raster size or resolution."
>- If the target image exists all you need to know is the name of the file
>- If target image does not exists, you really need to know what resolution or
>image size in pixels you want. GDAL does not guess what resolution might
>please you.
>
>-Jukka Rahkonen-
>
>________________________________________
>Lähettäjä: gdal-dev < [email protected] > käyttäjän Andrey VI
>via gdal-dev < [email protected] > puolesta
>Lähetetty: Maanantai 6. lokakuuta 2025 10.59
>Vastaanottaja: [email protected] < [email protected] >
>Aihe: [gdal-dev] gdal_rasterize ERROR 1: Size and resolution are missing
>
>Hello. A few years ago a command like this:gdal_rasterize -burn 0 shape.shp
>hillshade.tifworked.But with the latest GDAL it’s not:gdal_rasterize -burn 0
>shape.shp hillshade.tifERROR 1: Size and resolution are missing gdal_rasterize
>examples section of GDAL documentation includes 2 examples without size and
>resolution options.This means that to use the gdal_rasterize, you first need
>to know the raster size or resolution. This is inconvenient. Is this a bug or
>an intentional change?--Andrey
--
Andrey VI
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