Re: [R] map axis on projected shapefiles

2012-08-08 Thread MacQueen, Don
There is no particular requirement to start with decimal degrees in R. You could have started with their original projection, as loaded into R, and reprojected directly to your desired projection (i.e., without the extra step of passing them through ArcGIS). By the way, this would have been a goo

Re: [R] map axis on projected shapefiles

2012-08-08 Thread penguins
Since posting this I've figured out the problem was due to the shapefiles I was reading in. As they were already projected they were in meters, as oppose to decimal degrees. By opening the shapefiles in ArcGIS, reprojecting them to WGS1984 and exporting, I could then reload them in R in decimal deg

[R] map axis on projected shapefiles

2012-08-08 Thread penguins
Hi, I have overlayed 2 projected shapefiles using the "plot" function. When I plot them the numbers next to the x-axis ticks are printed in scientific format (e.g. -4e+05, -3e+05,...,), and the problem is these dont match up to the projected point locations I also wish to overlay from my dataset