[R-sig-Geo] coordinates

leigh.kroeger leigh.kroeger at gmail.com
Sun Oct 5 12:01:48 CEST 2014


Hello R sig-geo,

I have a shapefile that has been loaded into R of the Mediterranean basin. I
plan to plan environmental data onto this, and fish species occurrence data
from GBIF. 

I have successfully loaded the file into R, and transformed the both the
shapefile projection and my GBIF occurrence data into Behrmann coordinates: 

projection for both files reads:
>"+proj=cea +lat_ts=30 +ellps=WGS84"

However, they will not plot onto one another! I called up
View(coordinates(behr, srtobehr):
Here are examples of the coordinates:

Coordinates example for shapefile (V1, V2) after projection changed to
Behrmann:
       -13640884	 3659427

Coordinates example for GBIF data (lon, lat) after projection changed to
Behrmann. I have subsetted the entire GBIF dataset for this species to only
include species point occurrence data from the Mediterranean:
	3372195	3608795

If someone has seen these type of coordinates before, please help! 




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