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I am looking for an example of how to mosaik DEMs together using the SAGA command line. Specifically, how to indicate the list of DEMs that you want to merge.

I found

saga_cmd grid_tools 3 -GRIDS <str> [-TYPE <str>] [-INTERPOL <str>] [-OVERLAP <str>] [-BLEND_DIST <str>] [-MATCH <str>] [-TARGET_DEFINITION <str>] [-TARGET_USER_XMIN <str>] [-TARGET_USER_XMAX <str>] [-TARGET_USER_YMIN <str>] [-TARGET_USER_YMAX <str>] [-TARGET_USER_SIZE <str>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>] [-TARGET_OUT_GRID <str>]

however cannot figure out how to give the list of filenames

I tried

saga_cmd grid_tools 3 -GRIDS ["R1.tif", "R2.tif", "R3.tif"] -TARGET_OUT_GRID "test.sdat"

but this gives the error zsh: bad pattern: [R1.tif,

I have called the module from within QGIS to try copy that formatting, however that is not working (QGIS isn't working properly right now)

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  • You specifically want to use the SAGA command line or using pyqgis is fine too ?
    – wanderzen
    May 17, 2022 at 8:42
  • @wanderzen saga_cmd is all I have working reliably at the moment
    – Esme_
    May 20, 2022 at 7:53
  • Are the 'Processing Saga NextGen Provider' AND 'SAGA GIS provider' installed and checked within your Plugins Repository ?
    – wanderzen
    May 20, 2022 at 8:44

1 Answer 1

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+50

Have you tried separating them by ;?

saga_cmd grid_tools 3 -GRIDS "R1.tif;R2.tif;R3.tif" -TARGET_OUT_GRID "test.sdat"

enter image description here

Image and documentation found here.

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  • I had tried ; instead of , but I had the format wrong with brackets and quotes around each file.
    – Esme_
    May 20, 2022 at 8:00

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