How to mask the images in GRASS?

Let’s learn how to mask the images in GRASS. The most accurate or helpful solution is served by Geographic Information Systems.

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How to mask the images in GRASS

I have MODIS NDVI images, which needs to be masked with VI_Quality. I am using GRASS software and executing GRASS commands using shell scripts. I need to perform raster calculation (multiplication) for NDVI images with the VI_Quality. I want to multiply ith NDVI image with the ith image of VI_Quality. I have used the following codes : for file in $NDVIFILES; do r.mapcalc "$file = $NDVIFILES * $QAFILES; done i=1 for file in $NDVIFILES; do r.mapcalc "file $((i++)) = NDVIFILES $((i++))...

Answer:

Here's what I suggest: g.mlist --q type=rast pattern-"*NDVI" mapset=shenkottah >> NDVIFILES...

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Karthik K at Geographic Information Systems Mark as irrelevant Undo

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