I'm wondering if there's an easy way to write PNG files from a matrix?
I've got an NxM matrix of values, z, and I want to produce an NxM
pixel PNG file. I have a function pfunc(.) that converts values to
colours.
So currently I do this:
library(rtiff)
library(rgdal)
z = matrix(runif(100),1
On Fri, 14 Aug 2009, Alberto Ruiz Moreno wrote:
I get the error
GDAL Error 4: `C:\DOCUME~1\Temp\Rtmplib5Gm\file5f906952' not recognised as a
supported file format.
When a try to write a SpatialGridDataframe as Idrisi A.1 raster format
x <- readGDAL(system.file("external/test.ag", package="s
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Hello all and sorry for cross-posting,
this is last SoC report - bringing variogram plotting into v.krige!
After a long time searching for the lightest and cleanest
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a R graphics w
I get the error
GDAL Error 4: `C:\DOCUME~1\Temp\Rtmplib5Gm\file5f906952' not recognised as a
supported file format.
When a try to write a SpatialGridDataframe as Idrisi A.1 raster format
> x <- readGDAL(system.file("external/test.ag", package="sp")[1])
C:/ARCHIV~1/R/R-29~1.1/library/sp/externa
On Fri, 14 Aug 2009, Wesley Roberts wrote:
Dear r-sig-geo,
I am having trouble exporting an sp object created in R using writeOGR. Below
is the code I am using, basically it creates a regular grid to cover a point
data set opened using readShapePoints. I then convert the spatialpoints to
pol
Dear r-sig-geo,
I am having trouble exporting an sp object created in R using writeOGR. Below
is the code I am using, basically it creates a regular grid to cover a point
data set opened using readShapePoints. I then convert the spatialpoints to
polygons and then finally to a SpatialPolygonsDat
