GIS Hot Network Questions

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10:32

Q: Batch processing Vegetation Index with QGIS Raster Calculator

I'm applying the Green Leaf Index (GLI) to a multi-temporal set of RGB raster images to generate false colour overlays of the sections of the hay field. I can create GLI layers using the raster calculator and the RGB channels manually in the raster calculator. I'd like to speed up the process. I'...

12 hours later…

GIS Hot Network Question

22:24

Q: Why does updating `rgdal` package in R change output of `sp::CRS` (+towgs84=0,0,0)?

I am not a GIS expert, and this change caused quite some errors in our analysis. So my question is, why this was changed: From rgdal 1.4.8 to 1.5.16, the +towgs84=0,0,0 disappeard in the output of sp::CRS. I hope for an answer, which is comprehensive to a non-GIS-expert. Reproducible example if y...