Jon,
It is not clear to me where the call hangs. Is it at the last line of
your example ? Is it somewhere earlier ?
Also, making the example a standalone one (i.e., not relying on
third-party data no one else than you has) may increase the chances of
having others find what is happening.
Best,
L.
PS: In the last year people working on ArcGIS plugins also looked at
rpy2 as an option.
Jon Hak wrote:
> When I try to run a dissimilarity analysis using the vegan library in
> Pythonwin calling to R I seem to get into a situation that I can only
> describe as stalling without any error generated. I can run the exact
> process in R directly and it runs fine, and I would like to set this up
> as a tool from ArcGIS.
>
>
>
> This is a pretty simply process, below is the example scripting. When I
> run the process from Pythonwin it makes it to the last line in then just
> processes, I’ve let it run over 6 hrs and there seems to be no progress,
> but the cpu and ram and being actively utilized. If I run it directly
> from R it’s done in a less than a minute.
>
>
>
> import rpy, win32com.client, numpy
>
> from rpy import r
>
> r('library(vegan)')
>
> r('csv <- read.csv("c:/Projects/Brazil/Analysis/CSV_Crosstab.csv",
> header=T, as.is=T)')
>
> r('dim(csv)')
>
> r('names(csv)')
>
> r('csv.data <- csv[,c(-1)]')
>
> r('csv.m <- as.matrix(csv.data,)')
>
> r('dimnames(csv.m) <- list(csv$site_id, names(csv.data))')
>
> r('csv.dis <- vegdist(csv.m, method="jaccard")')
>
>
>
> Any help would be appreciated, without an error I’m at a loss as to what
> to try to trouble shoot.
>
>
>
> Thanks,
>
>
>
> Jon
>
> ***********************************************************
>
> John Hak
>
> Senior GIS Analyst/Ecologist
>
> /NatureServe - A Network Connecting Science with Conservation/
>
> 4001 Discovery Drive, Suite 2110
>
> Boulder, CO 80303
>
> (703) 797-4809
>
> Skype: jon.hak
>
> ü Please consider the environment before printing this e-mail
>
>
>
>
>
>
>
>
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