Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-30 Thread Roger Bivand
On Mon, 30 Mar 2009, Tyler Dean Rudolph wrote: Hello Roger, This certainly does shed a lot of light on the mechanism behind the error and your code is greatly appreciated. Now for the question: did your final line of code work??? When I tried it on my machine it took over 4 hours without comp

Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-30 Thread Roger Bivand
On Sun, 29 Mar 2009, Tyler Dean Rudolph wrote: As you've indicated Roger there does appear to be an error in readShapeLines() under maptools. However I can't help but wonder why I do not have any problems using the same command sequence for a subset of the same data (even after updating my vers

Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-29 Thread Tyler Dean Rudolph
Subsequent to Roger's suggestion I will shortly be sending a link to a site where the shapefile in question and it's various extensions can be downloaded as a zip file. Any and all assistance with this problem are greatly appreciated. Tyler On Sat, Mar 28, 2009 at 8:04 AM, Roger Bivand wrote: >

Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-29 Thread Tyler Dean Rudolph
As you've indicated Roger there does appear to be an error in readShapeLines() under maptools. However I can't help but wonder why I do not have any problems using the same command sequence for a subset of the same data (even after updating my version of sp)...? With said subset I am able to impo

Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-29 Thread Roger Bivand
On Sat, 28 Mar 2009, Tyler Dean Rudolph wrote: Here are the sessionInfo() and traceback() results following the failed import. It looks like I am not using the most recent version of sp so I am trying to figure out the terms in the call to update.package() and with the most recent version I wil

Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-28 Thread Tyler Dean Rudolph
Here are the sessionInfo() and traceback() results following the failed import. It looks like I am not using the most recent version of sp so I am trying to figure out the terms in the call to update.package() and with the most recent version I will try again. The .shp file is ~30 megabytes and t

Re: [R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-28 Thread Roger Bivand
On Fri, 27 Mar 2009, Tyler Dean Rudolph wrote: I have no trouble importing a subset of a road network for my study area as a shapefile into R, but when I try to import the complete network (area equivalent to approximately 30,000 km^2), I get the following error message (even when I split up the

[R-sig-Geo] Issues importing BIG shapefile - Limitations of R or something else?

2009-03-27 Thread Tyler Dean Rudolph
I have no trouble importing a subset of a road network for my study area as a shapefile into R, but when I try to import the complete network (area equivalent to approximately 30,000 km^2), I get the following error message (even when I split up the two class formats into two separate commands): >