R Under development (unstable) (2023-07-19 r84711 ucrt) -- "Unsuffered Consequences"
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> #'
> #'   Header for all (concatenated) test files
> #'
> #'   Require spatstat.geom
> #'   Obtain environment variable controlling tests.
> #'
> #'   $Revision: 1.5 $ $Date: 2020/04/30 05:31:37 $
> 
> require(spatstat.geom)
Loading required package: spatstat.geom
Loading required package: spatstat.data
spatstat.geom 3.2-4
> FULLTEST <- (nchar(Sys.getenv("SPATSTAT_TEST", unset="")) > 0)
> ALWAYS   <- TRUE
> cat(paste("--------- Executing",
+           if(FULLTEST) "** ALL **" else "**RESTRICTED** subset of",
+           "test code -----------\n"))
--------- Executing **RESTRICTED** subset of test code -----------
> #'  tests/morpho.R
> #' 
> #' morphology code blocks
> #'
> #' $Revision: 1.3 $ $Date: 2020/04/30 02:18:23 $
> 
> local({
+   if(ALWAYS) { # depends on C code etc
+     #' owin
+     a <- erosion(letterR, 0.1, polygonal=FALSE)
+     b <- dilation(letterR, 0.1, polygonal=FALSE)
+     at <- erosion(letterR, 0.1, polygonal=FALSE, strict=TRUE)
+     bt <- dilation(letterR, 0.1, polygonal=FALSE, tight=FALSE)
+     #' psp
+     S <- edges(letterR)
+     dm <- dilation(S, 0.1, polygonal=FALSE)
+     dt <- dilation(S, 0.1, polygonal=FALSE, tight=FALSE)
+     op <- spatstat.options(old.morpho.psp=TRUE)
+     dn <- dilation(S, 0.1, polygonal=TRUE)
+     spatstat.options(op)
+     cS <- closing(S, 0.1, polygonal=FALSE)
+     eS <- erosion(S, 0)
+     oS <- opening(S, 0)
+     #' ppp
+     dc <- dilation(cells, 0.06, polygonal=FALSE)
+     ec <- erosion(cells, 0)
+     oc <- opening(cells, 0)
+     #'
+     reset.spatstat.options()
+   }
+ })
> 
> 
> proc.time()
   user  system elapsed 
   1.04    0.18    1.21