Message-ID: <77EF06D8-51A0-475E-B8D5-E31EDA21526C@me.com>
Date: 2011-10-26T17:11:02Z
From: Mark Newcomb
Subject: SpatialLines
I'm hoping to use R for spatial analysis. In working through examples in Chapt. 4 of Applied Spatial Data Analysis with R I've come across the following error in trying to plot lines with the meuse data set. The text is verbatim from the book.
> m.sl <- SpatialLines(list(Lines(list(Line(cc)))))
Error in Lines(list(Line(cc))) : Single ID required
What does "Single ID required" mean?
Thanks.
Mark