Create stack
From AWF-Wiki
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# Input files: Click {{button|text=Select}} and click the checkbox of several single raster band files in the Multiple Selection window. Take care on the order of the files selection: etermines the rank of bands in the resulting multiband file. The rank of files can be changed by drag and drop in the Multiple Selection window. | # Input files: Click {{button|text=Select}} and click the checkbox of several single raster band files in the Multiple Selection window. Take care on the order of the files selection: etermines the rank of bands in the resulting multiband file. The rank of files can be changed by drag and drop in the Multiple Selection window. | ||
# Output ''Converted'' file: Click {{button|text=...}} {{button|text=Save to file ..-}}and choose a new file name. | # Output ''Converted'' file: Click {{button|text=...}} {{button|text=Save to file ..-}}and choose a new file name. | ||
| − | # | + | # Check that the checkbox on '''Place each input file into a separate band''' (see screenshot below). |
[[File:Qgis_virtual_raster.png|400px]] | [[File:Qgis_virtual_raster.png|400px]] | ||
| − | # Click {{button|text= | + | # Click {{button|text=Run in background}} |
== Create a multiband raster file (single bands to multiband) == | == Create a multiband raster file (single bands to multiband) == | ||
Revision as of 21:00, 21 October 2018
Build a virtual stack
A VRT (Virtual Dataset) is a list of links to input raster datasets. This has the advantage that no additional physical copy of the original files is necessary which saves storage capacity.
- Click Raster --> Miscellaneous --> Build Virtual Raster.
- Input files: Click Select and click the checkbox of several single raster band files in the Multiple Selection window. Take care on the order of the files selection: etermines the rank of bands in the resulting multiband file. The rank of files can be changed by drag and drop in the Multiple Selection window.
- Output Converted file: Click ... Save to file ..-and choose a new file name.
- Check that the checkbox on Place each input file into a separate band (see screenshot below).
- Click Run in background
Create a multiband raster file (single bands to multiband)
A multiband file stores several single raster layers in one file.
- Click Raster --> Miscellaneous --> Merge.
- Input files: Click Select and choose several single band raster files by holding Strg + left click. Take care on the order of the file selection: it determines the rank of bands in the resulting multiband file.
- Output file: Click Select and choose a new file name.
- Click the checkbox Place each input band in a separate band on (see screenshot below).
- Click OK
