Re: [R-sig-Geo] pqR ?

2013-06-28 Thread Hodgess, Erin
, Philippe Subject: Re: [R-sig-Geo] pqR ? Step 1 - write some spatial benchmarks. I would benchmark: spatial object creation from files (shapefiles, typically, but this probably more an I/O benchmark), spatial object creation from primitive objects (the SpatialPolygons(list(Polygons(list

[R-sig-Geo] pqR ?

2013-06-27 Thread Boulanger, Yan
Dear forumities, Did anyone tried pqR for spatial analyses ? I don't know if the worth the case (I will have to try myself) but it seems that pqR (which was released last week) is able to perform operations in parallel, especially on matrices so I guess it could substantially reduce the

Re: [R-sig-Geo] pqR ?

2013-06-27 Thread Barry Rowlingson
Step 1 - write some spatial benchmarks. I would benchmark: spatial object creation from files (shapefiles, typically, but this probably more an I/O benchmark), spatial object creation from primitive objects (the SpatialPolygons(list(Polygons(list(matrix) stuff), over, and everything in