Multiplying rasters by integers in processing modeler
Geographic Information Systems Asked on December 8, 2021
I need to multiply several rasters by integers as a part of a multiple steps process. For this reason I’m using QGIS’ Processing Modeler.
I’m looking for something similar to the Raster calculator, but it doesn’t seem to be available from the Processing Modeler.
I’ve also tried to use the GRASS r.mapcalculator algorithm (with A my input raster layer, and applying the formula A*100 for example), but it always returns the following error message:
Oooops! The following output layers could not be open
Output raster layer: /tmp/processing/ad0f2935615a472eb6b6b6feb44f3e72/outfile.tif
One Answer
You can use Raster Product. In the captured image, Constant grid will create a raster layer with cell values defined in the Value input. Then Raster product will multiply Input Raster and Constant grid raster.
(1) SAGA | Raster tools | Constant grid
(2) SAGA | Raster calculus | Raster product
Answered by Kazuhito on December 8, 2021
Add your own answers!
Ask a Question
Get help from others!
Recent Answers
- Joshua Engel on Why fry rice before boiling?
- Jon Church on Why fry rice before boiling?
- Peter Machado on Why fry rice before boiling?
- haakon.io on Why fry rice before boiling?
- Lex on Does Google Analytics track 404 page responses as valid page views?
Recent Questions
- How can I transform graph image into a tikzpicture LaTeX code?
- How Do I Get The Ifruit App Off Of Gta 5 / Grand Theft Auto 5
- Iv’e designed a space elevator using a series of lasers. do you know anybody i could submit the designs too that could manufacture the concept and put it to use
- Need help finding a book. Female OP protagonist, magic
- Why is the WWF pending games (“Your turn”) area replaced w/ a column of “Bonus & Reward”gift boxes?