Hello to everybody,
i tried to run r.li.mps module in order to perform mean patch size index over a raster map. I used a raster with 4 values (1,2,3,4) rapresenting different Land cover types. Some areas in my raster have nodata, since i’m not planning to consider those in my work. I created the configuration file, reported below:
SAMPLINGFRAME 0|0|1|1
SAMPLEAREA 0.0|0.0|1.0|0.9999541221268982
then i run the module over my raster, and here is the output:
RESULT 1|-7.1291406991691
I was not expecting this output, i can’t figure out what’s wrong.
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On Thu, Jun 27, 2019 at 5:42 PM Alessandro Sebastiani <alessandro.sebastiani@uniroma1.it> wrote:
Hello to everybody,
i tried to run r.li.mps module in order to perform mean patch size index over a raster map. I used a raster with 4 values (1,2,3,4) rapresenting different Land cover types. Some areas in my raster have nodata, since i’m not planning to consider those in my work. I created the configuration file, reported below:
SAMPLINGFRAME 0|0|1|1
SAMPLEAREA 0.0|0.0|1.0|0.9999541221268982
then i run the module over my raster, and here is the output:
RESULT 1|-7.1291406991691
I was not expecting this output, i can’t figure out what’s wrong.
A negative number for mean patch size does not make sense indeed. Can you provide sample data to reproduce?
Markus M