You don't necessarily need the Processing Toolbox. You can run the tool in a command shell. If you're on Windows, open the OSGeo shell, and type 'gdal_translate --help' to get a summary of the options.

If you want to use the Processing Toolbox, type into the search bar 'gdal_translate' and it should appear in the list of tools.


On 24/06/2022 15:23, carlos h via Qgis-user wrote:
Hi, excuse the ignorance, how can I use the grdal translate tools from the processing toolbox? Thank you

Carlos



El vie, 24 jun 2022 a las 7:17, Zoltán Siki (<[email protected]>) escribió:
you can used grdal translate from the processing  toolbox. You have to add additional command line parameters, for example  -outtsize 50% 50% to make pixel double size alternatively you can also use -tr switch to define the output pixel size e.g. -tr 1.0 1.0 to change the resolution to 1 georeferenced unit of your raster.

Regards,
Zoltan

carlos h via Qgis-user <[email protected]> ezt írta (időpont: 2022. jún. 23., Cs, 20:51):

Hello, I have an NDVI image that has a pixel of 4 centimeters, that is, 16 square centimeters.

I have 2 doubts:

1. What method can I use to generalize the NDVI image to 1 square meter in pixel size?

2. When generalizing the NDVI image to 1 square meter per pixel, what value does that new pixel take? the mean value of all pixels in 1 square meter? the maximum value of the pixels? etc, I ask this because if the original NDVI image has a pixel of 4 centimeters (16 cm2), in 1 square meter there are more or less 625 pixels, then what pixel value does it take if it is generalized to 1 square meter? the average? the maximum value?


Thank you very much

Carlos


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Üdv.
Siki Zoltán

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