Re: [R-sig-Geo] Combining multiple polylines into a single polyline

2010-06-17 Thread Colin Rundel
nd a SpatialLines is returned. You can see my previous post on the mailing list for more background on rgeos. Hope this helps, -Colin On Jun 17, 2010, at 2:50 AM, Roger Bivand wrote: > On Sat, 12 Jun 2010, Don MacQueen wrote: > >> I have an input shapefile representing roads in a ci

[R-sig-Geo] rgeos and Google Summer of Code

2010-06-13 Thread Colin Rundel
appreciate feedback of any kind. -Colin ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo

Re: [R-sig-Geo] Barry Rowlingson's "Arlat" on FOSS4G 2007

2007-10-01 Thread colin
this topic... Regards, Colin On Mon, 2007-01-10 at 12:32 +0100, Virgilio Gomez-Rubio wrote: > Dear Hisaji, > > I found this technical report which may be of your interest: > > http://www.bepress.com/cgi/viewcontent.cgi?article=1103&context=jhubiostat > > It describes

[R-sig-Geo] local K function

2006-12-06 Thread Colin Robertson
Hello all, is the local K function available in any R package? Thanks, Colin Colin Robertson MSc Candidate Dept of Geography University of Victoria www.geog.uvic.ca/spar ph. (250)885-8065 [[alternative HTML version deleted

Re: [R-sig-Geo] GRASS with R and distances between polygon edges

2006-10-30 Thread Colin Robertson
ational methods for calculating distances between objects in a cartographic database," Cartography and Geographic Information Systems, 23, 180-195. Colin Colin Robertson MSc Candidate Dept of Geography University of Victoria www.geog.uvic.ca/spar (250) 885-8065 -Original Messa

[R-sig-Geo] 3D KDE

2006-05-18 Thread Colin Robertson
l function. zgr: The values of time at which to compute the kernel function. hxy: The quartic kernel width in the x and y direction. hz: The quartic kernel width in the temporal direction. Any help or suggestions much appreciated, Colin Colin Robertson MSc Candidat

[R-sig-Geo] arConnect

2006-05-11 Thread Colin Robertson
el density estimated surfaces (with cross validation bandwidth selection and the boundary correction). Thanks, Colin [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo

[R-sig-Geo] Grid projections and spatial matrices

2006-01-31 Thread Colin Beale
be very welcome (and I'm sure the original code could be more elegant too!). Thanks very much, Colin # toy dataset set.seed (1) distMap <- array (sample (c (0, 0, 1), 120, rep = T), dim = c (6, 5, 4)) ##example function - require package(magic) to run. localTurnover <- function (spm