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On a related note: Cropping prior to extraction shouldn't make a huge time difference. If it does, this might be the result of issue #22. Maybe you can speed things up by installing the development version of velox.
Hi,
I may be well off on this as I'm new to R but I want to be able to crop and keep the original. In the raster package I do this
And it takes about a second on a raster of dimension : 13561, 26809, 363556849 (nrow, ncol, ncell)
But I need to do it 90,000+ times on a sequence of 10 rasters so faster would be nicer
With Velox I do
Which take 30+ seconds so I try cropping first (like with raster)
Which is really quick but I lose the original raster as it treats vx1 as mutable.
Is there a way to crop and get the results of the crop and keep the original to use next time around in the loop?
Sorry if this is a dumb question and thanks for sharing your work.
Roger
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