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transition to sf and terra #7

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simoncarrignon opened this issue Mar 21, 2022 · 2 comments
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transition to sf and terra #7

simoncarrignon opened this issue Mar 21, 2022 · 2 comments

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@simoncarrignon
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simoncarrignon commented Mar 21, 2022 •
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Title is pretty much self explanatory. The packages sp and raster, actually used by leastcostpath, are going to be replaced soon by sf and terra, while rgdal and rgeos, also used by leastcostpath "will be retired by the end of 2023"
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It's then probably time to start this transition for leastcostpath!

One issue, and the reason why leastcostpath still relies on sp and raster, is its dependancy to gdistance, which still uses those packages. Thought this has already been mentioned two years ago in: AgrDataSci/gdistance#3, it's not clear if the switch will be done anytime soon. A first, temporary easy fix would be to cast all object into raster and Spatial before calling for gdistances functions.
@josephlewis
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This is currently in progress. See dev branch

@josephlewis
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leastcostpath version 2.0.0 and onwards will use sf and terra. The dependency on gdistance has been removed

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@simoncarrignon @josephlewis