Have you tried raster package?
On Sat, Oct 9, 2010 at 1:32 AM, wrote:
>
>
> Can someone let me know what package and function should be used to read
> *.grd files in R? I tried readGDAL, open.ncdf functions already which threw
> errors for file format mismatch.
>
> Thank you all,
> Maha
>
Can someone let me know what package and function should be used to read *.grd
files in R? I tried readGDAL, open.ncdf functions already which threw errors
for file format mismatch.
Thank you all,
Maha
[[alternative HTML version deleted]]
___
Why not plot data and map in original coordinates and then overlay
with grid lines showing magnetic coordinates?
--
Clint BowmanINTERNET: cl...@ecy.wa.gov
Air Quality Modeler INTERNET: cl...@math.utah.edu
Department of Ecology VOICE:
On Fri, Oct 8, 2010 at 7:21 PM, ogbos okike wrote:
> library(maps)
> data(worldMapEnv)
> map("world")
> The three steps above in R gives you the world map I mean.
if you do:
w = map("world")
then w will be a simple list with $x and $y components, as well as
$range and $names. If you write
I have created a SpatialPoints object, converted it to a ppp object, and
then run spatialstat's density function create a density object. I can use
the png function to make a density plot. I would like the density plot to
be transparent so that I can include it as a layer on a map. Is there any
On 8 October 2010 19:52, Barry Rowlingson wrote:
> On Fri, Oct 8, 2010 at 5:32 PM, ogbos okike wrote:
>
> > My data points are given in latitude and longitude (geographic). Using
> AACGM
> > geomagnetic coordinate software, I converted them to magnetic
> coordinates.
> > World map (such as implem
Samuel
No, it is not exp(prediction on the normal scale)
by
exp(porediction in the normal scale + 0.5*variance or the prediction in
the normal scale)
geoiR folows lcosely what is describe in Diggle and Ribeiro (2007)
The Section 3.8 (transformed Gaussian models) it describes the
basis for th
On Fri, Oct 8, 2010 at 5:32 PM, ogbos okike wrote:
> My data points are given in latitude and longitude (geographic). Using AACGM
> geomagnetic coordinate software, I converted them to magnetic coordinates.
> World map (such as implemented in R, which can be generated using maps has
> no data poi
Hi,
I'm working with the function krige.conv of the library geoR. I'm wondering
how the predicted result are back-transformed when the lambda parameter is
set to 0 (log-transformation)? Is it a simply transformation like
exp(result$prediction)? I saw some code example on the web where the exp()
fu
Hi Barry,
On 8 October 2010 18:05, Barry Rowlingson wrote:
> On Fri, Oct 8, 2010 at 4:42 PM, ogbos okike wrote:
>
> > However, I am interested in organizing my data in magnetic coordinates. I
> > have converted my data points from geographic coordinates to magnetic
> > coordinates.
>
> > My pro
On Fri, Oct 8, 2010 at 4:42 PM, ogbos okike wrote:
> However, I am interested in organizing my data in magnetic coordinates. I
> have converted my data points from geographic coordinates to magnetic
> coordinates.
> My problem now is to generate world map in magnetic coordinates.
> Can anybody p
Dear All,
I am using raster to do my geographic plots. I also use maps package to
generate world map in geographic coordinates.
However, I am interested in organizing my data in magnetic coordinates. I
have converted my data points from geographic coordinates to magnetic
coordinates.
My problem
Dear Edzer,
Very many thanks for the rapid response. What you posted is exactly
what I was hoping for!
I will download the updated sp package and reproduce my maps. Thanks again!
Best, Lyndon
On Fri, Oct 8, 2010 at 10:51 AM, Edzer Pebesma
wrote:
> Thanks for the reproducable example. I can s
dear Researchers,
I have a ASCII file with classified value (ex: 0-28) and stretched value
(0-29871) in Arcmap. When I try to read read with Raster or readAsciiGrid
the final result is with stretched value. Some people know some solution?
thanks in advance
Gianni
[[alternative HTML vers
Greetings,
I have two questions related to spplot:
1. I am trying to plot one SpatialPolygonsDataFrame over another, and
fill the background polygon with grey. I can't seem to fill the
background polygon without having it cover over my supposed foreground
polygon, even if I specify "first = T" (w
see pointsToRaster()
On Fri, Oct 8, 2010 at 2:12 AM, Arnald Marcer wrote:
> Hi,
>
> Can anybody help me a little on how to transfer values from a data frame
> (coord.x, coord.y, value) to
> a raster file. I have a raster initialized to 0 values and I want to
> substitute zeros for the specifi
Hi,
Can anybody help me a little on how to transfer values from a data frame
(coord.x, coord.y, value) to
a raster file. I have a raster initialized to 0 values and I want to
substitute zeros for the specific values
at coord.x and coord.y
Thank you very much,
Arnald Marcer
CREAF
__
17 matches
Mail list logo
