Re: [R-sig-Geo] chronolgy of drawing of sp.layout

2008-08-11 Thread Edzer Pebesma
Maxime Pauwels wrote: Hello, I'm using R and the sp package for only a few days. I have already resolved numerous basical questions but the following one resists: I'd like to plot spatial data with attributes and to highlight a few points on the plot corresponding to samples locations ("pop" b

Re: [R-sig-Geo] chronolgy of drawing of sp.layout

2008-08-04 Thread Maxime Pauwels
Virgilio Gomez-Rubio a écrit : Virgilio, Many thanks for your help. I tried a comparable solution using alpha. The result is interesting but the quality of the plot is markedly lower (colored pixels are apparent). I read on the site that panel function could be used. Unfortunately, i'm not fa

[R-sig-Geo] chronolgy of drawing of sp.layout

2008-08-01 Thread Maxime Pauwels
Hello, I'm using R and the sp package for only a few days. I have already resolved numerous basical questions but the following one resists: I'd like to plot spatial data with attributes and to highlight a few points on the plot corresponding to samples locations ("pop" below). Here is my script