[R-sig-Geo] Problem when export raster to KML

[Richard Ma]

Hi all,

Below is the information of my raster file:

> r.tmp
class       : RasterLayer 
dimensions  : 220, 200, 44000  (nrow, ncol, ncell)
resolution  : 0.05, 0.05  (x, y)
extent      : 128, 138, -23, -12  (xmin, xmax, ymin, ymax)
coord. ref. : +proj=lonlat +datum=WGS84 +no_defs +ellps=WGS84 +towgs84=0,0,0 
values      : in memory
min value   : 5.079816e-05 
max value   : 0.9999755 

however, when I want to use KML function (raster package) to export this
raster to KML, I got an error.

> KML(r.tmp, file = 'r_tmp.kml')
Error in .local(x, ...) : CRS of x must be longitude / latitude

Does this means I need to reproject my raster file to longitude/latitude
coordinates system? How to do that?


-----
Richard Ma
PhD student, Ecology & Remote Sensing
Climate Change Cluster, Department of Environment Science
University of Technology, Sydney
http://everydropr.wordpress.com
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