2
votes
1answer
155 views

Convert lat/long four corners data to raster

I have a data set in the following format.each row represents the coordinates of the four corners of a cell and the last column is the value associated to the cell. lon1 lat1 lon2 lat2 lon3 lat3 lon4 ...
2
votes
1answer
2k views

Converting geographic coordinate system in R

I have points in geographic coordinate system and I wanted to convert them to swiss grid (CH1903+). Sample data: id lon lat 2 7.173500 45.86880 3 7.172540 45.86887 4 7.171636 ...
14
votes
2answers
4k views

How can I convert data in the form of lat, lon, value into a raster file using R?

I have a data set of values over a km grid in the continental U.S. The columns are "latitude", "longitude", and "observation", e.g.: "lat" "lon" "yield" 25.567 -120.347 3.6 25.832 ...