Re: [R] point.in.polygon() in sp package: accuracy problems?

2010-05-14 Thread David Winsemius
On May 14, 2010, at 10:59 AM, David Winsemius wrote: On May 14, 2010, at 4:50 AM, Julien Moeys wrote: Dear list: I encountered some problems using the function point.in.polygon() of the sp package, when trying to determine whether some points lye inside, outside, on the border or on a v

Re: [R] point.in.polygon() in sp package: accuracy problems?

2010-05-14 Thread David Winsemius
On May 14, 2010, at 4:50 AM, Julien Moeys wrote: Dear list: I encountered some problems using the function point.in.polygon() of the sp package, when trying to determine whether some points lye inside, outside, on the border or on a vertice of a polygon. Any time that you are asking ques

[R] point.in.polygon() in sp package: accuracy problems?

2010-05-14 Thread Julien Moeys
Dear list: I encountered some problems using the function point.in.polygon() of the sp package, when trying to determine whether some points lye inside, outside, on the border or on a vertice of a polygon. I have a list of point I know should lye right on the border of a polygon, but some of t