[R] Arcgis in R

Pedro09 jessica.heath at sydney.edu.au
Tue Jul 17 05:14:11 CEST 2012

Hi all,
I am very knew to this R and Arcgis combination. I have already spent days
attempting to find my answer but have failed, therefore could you please if
possible explain any answers in simple form.

I am trying to access Arcgis through R, following a few steps:
1) Set up working directory
2)connect to Python
3) import arcgis- however, when I get to the import stage it comes up with
an error saying unexpected symbol.

Is my coding wrong? If so what is the correct coding?

Or do I somehow need to set up something in Arcgis which allows it to
recognise the arcgisscripting command in R?

*This is the code I have used below:*

My.dir<- setwd("C:/RTest_NDVIc")
nat <- readGDAL("16-150406_ndvic.img")

# Write the raster as a geotiff
# Give an output name
My.ras.dir <- paste(My.dir,"my_test_raster3.tif")

# Write

####S Part 2 do some analysis in ArcGIS-first connect to Python
###S Require necessary package
###S Configure python
# If you don't configure python, you won't be able to send info to ArcGIS
# This configuration will go on the ArcGIS function we create

workspace.<- setwd("C:/RTest_NDVIc") 
python.path.<-"C:/Python25" # Check if this is correct for your system

env.cur <- rpygeo.build.env(
workspace = workspace.,#ARC related
python.path = python.path.,
python.command = "python.exe", #python related
overwriteoutput=1 #if 1, overwrite

# Working directory
 # Import system modules
import arcgisscripting

# Create the Geoprocessor object
gp = arcgisscripting.create(9.3)

Thank you, any help is much appreciated.

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