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download geographic data
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Indicate WorldClim version in docs #32

Closed plantarum closed 1 year ago

plantarum commented 1 year ago

Hi,

I'm starting to switch my code over to geodata from raster::getData. Comparing the data collected by each function, I was surprised that the layers didn't match - variables are recorded on different scales, with different extents, and different ranges.

After looking at the URLs for each function, I see now that getData downloads WorldClim version 1.4, and worldclim_global downloads version 2.1. Perhaps you could add this to the help page for worldclim_global? It might help others making the switch and finding the results of their analyses have changed.

Thanks all your work building and sharing these tools, they're indispensable for our work.

Best,

Tyler

rhijmans commented 1 year ago

I have added the version number to the docs. I have also added the version as an argument, but only "2.1" is supported. I could add "1.4", but that would be confusing because of the units (whether I keep them as they are, of change them to the same units as for "2.1"), so I am sure if I want to do that.

plantarum commented 1 year ago

Marvellous, thanks for the quick response!

I appreciate the confusion around units. Probably there will be little (and declining) interest in 1.4 moving forwards.