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forsys-sp / patchmax

A spatial selection optimization algorithm in ForSysR
GNU General Public License v3.0
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Search distance parameter #21

Open michelledayusfs opened 1 year ago

michelledayusfs commented 1 year ago

In ForSysX it occurred to me that we have a search distance criteria. When I ran the huge TCSI study area, I set the search area for ForSys to slightly larger than the patch size I was trying to create. Maybe this is what your SDW parameter does? Does this help limit how far ForSys searches so it runs faster?

In ForSysX it is called Max Project Diameter (meters). It is -1 by default which searches everything. I changed it to 900 m in my runs which sped it up a lot.

codyevers commented 1 year ago

I think this is where patchmax is fundamentally different than ForSysx. X does some sort of iterative search with inverse distance weighting, where as patchmax r6 uses network search. How does X choose the place to build from? Does it assess every possible place? This latter part is what makes R6 process slow. Building an individual patch takes a 100th of a second… it’s building and evaluating 1000s if these that takes time. On Jan 6, 2023 at 10:36 AM -0700, Michelle Day @.***>, wrote:

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michelledayusfs commented 1 year ago

Yes, it searches every seed.