05455
> 51.41355, 0.0254105 51.42899, 0.0398142 51.44099, 0.0585966 51.42459,
> 0.0753431 51.43199, 0.1124939 51.41317, 0.134136 51.41385, 0.1488766
> 51.40848, 0.1598909 51.39465, 0.1498092 51.39087, 0.1532098 51.37804,
> 0.1362526 51.34555, 0.1166538 51.3413, 0.1202182 51.33214, 0.1047428
&g
Dear list,
I have recently submitted a little R package to CRAN (now waiting for
approval) https://github.com/MatMatt/clmsapi.
The package is a R client for downloading data from the Copernicus Land
Monitoring Service (https://cryo.land.copernicus.eu/finder/).
The API expects a parameter called
Dear list,
We would like to announce the release of the MODIS package to CRAN. This
was finally possible thanks to the constant efforts of Florian Detsch, whom
I would like to say thank you!
Some months ago we decided to move the development from R-Forge to GitHub
and we are thankful for any
Dear list,
I would like to add some meta information to a tif file. As my tif file can
created by one or more source files depending on its location, I need to safe
this information inside my tif.
Precisely I need to add if the specific file _could_ be created by one or two
files (names of
Dear Amit,
Thats correct, if you want to use only pixel of quality you have to set 0
as threshold (everything than threshold is set to 0 weight). But for what I
remember, and this might explains your result with all 0s, is that does
not exist in MODIS data despite the fact that it is
the Sinusoidal projection for the first raster, then convert its
projection to WGS84 using QGIS and use it as the extend raster r you kindly
mentioned. If the gdal did the same resampling, I will simply keep Sinusoidal
projection for all and convert using QGIS.
Amit
Matteo Mattiuzzi matteo.mattiu
Dear Amit,
if you set pixelSize asIn, the handling of the pixelsize is done by
gdal_translate, runGdal in such case does not provide any information about
resolution to used 'gdal_translate'.
As your outProj is 4326 you have geographic coordinates, this means that in
planar coordinates your
Is that what you want?
library(raster)
# your reproducible! raster
r - raster()
r[] - sample(0:2,ncell(r),replace=TRUE)
funX - function(x){sum(x==1)}
res1 - focal(r,fun=funX,w=matrix(1, ncol=3, nrow=3))
# or in this special case (sum if 1) also
rn - r==1
res2 - focal(rn,w=matrix(1, ncol=3,
Dear List,
please find here an interesting job opportunity at the UNODC (SASS) in Vienna.
If you are interested contact directly Ms. Irmgard Zeiler
(irmgard.zei...@unodc.org).
good luck
Matteo Mattiuzzi
Irmgard ZEILER irmgard.zei...@unodc.org 02/03/14 5:02 PM
Dear all,
I would like
Camillo,
I think your example is missing important information, especially the context
of this processing step, that matters a lot for the solution to choose.
based on you example I could suggest you to try something like that:
library(raster)
#creates 3 test rasters
a - raster(nrow=3, ncol=3)
.
They did it with Matlab, is there a way to do it in R?
Thanks again
Mohammad
On 21.10.2013 12:49, Matteo Mattiuzzi wrote:
Mohammad,read answers inline
Mohammad Abdel-Razekabdelra...@uni-bonn.de 10/13/13 3:46 PM
Dear All,
I am analyzing MODIS EVI time sereis for 2004-2010. Preprocessing
Mohammad,read answers inline
Mohammad Abdel-Razek abdelra...@uni-bonn.de 10/13/13 3:46 PM
Dear All,
I am analyzing MODIS EVI time sereis for 2004-2010. Preprocessing
included: reprojecting to WGS84 and export EVI to Geotiff (along with
blue reflectance and view zenith angel). Then I filtered
Dear Agus,
yes please send the output of gdalinfo (close to the end is the string you have
to use).
Matteo
Agustin Lobo alobolis...@gmail.com 10/07/13 5:42 PM
Hi!
I get the following error when try to read an hdf image (release 4):
modisima -
Right ( 512.0, 512.0)
Center ( 256.0, 256.0)
On Tue, Oct 8, 2013 at 1:34 PM, Matteo Mattiuzzi
matteo.mattiu...@boku.ac.at wrote:
Dear Agus,
yes please send the output of gdalinfo (close to the end is the string you
have to use).
Matteo
Agustin Lobo alobolis...@gmail.com 10/07
to use
whittaker.rasteRe: [R-sig-Geo] Adaptive Savitzky Golay Filter function
From:Matteo Mattiuzzi
To: Nicolas Bories; r-sig-geo@r-project.org
BC:
Date:Tuesday - June 11, 2013 4:44 PM
Subject:Re: [R-sig-Geo] Adaptive Savitzky Golay Filter function
Dear Nicolas,
Fixed
Just a guess, open a terminal and type gdalinfo is the command not known
install gdal-bin.
sudo apt-get install gdal-bin
Matteo
Alexandre Santos alexandresanto...@yahoo.com.br schrieb:
Dear members list,
��
��� I
try to subset a Landsat geotiff image with the lssub(
) function in
a
Dear Jonathan,in the MODIS package I use the following function to list files
within a http or a ftp folder. I'm not really practical in XML stuff but I got
it working somehow.
The LP DAAC has changed from FTP to HTTP, I'm not sure if it is good idea to
use the ftp protocol anymore. I also had
Jonathan,
I don't know but this would interest me also. Have you checked the
functionalities in the MODIS package? I think you intend to do things that
probably are already implemented, and if not it would be great to get some help
over here!
The MODIS package uses the alternative installations
Dear Ross,
Euclidean Distance is not an units, it is a type of distance measurement an it
is always in input units!
The Euclidean Distance is the length of a rope between your hands that you hold
strained, but see here: http://en.wikipedia.org/wiki/Euclidean_distance
. That is why I used the more complicated
approach outlined here (
http://cran.r-project.org/web/packages/raster/vignettes/functions.pdf).
On Tue, Apr 30, 2013 at 3:24 AM, Matteo Mattiuzzi
matteo.mattiu...@boku.ac.at wrote:
Dear Ted,
Isn't it simply that?
out - raster(nrow=2,ncol=1900
Dear rgdal Maintainers,
spTransform is not available for standard call. I haven't tested other rgdal
functions but the problem has happened with the last update of rgdal (I think
today).
Matteo
sessionInfo()
R version 2.15.3 (2013-03-01)
Platform: x86_64-pc-linux-gnu (64-bit)
locale:
[1]
Dear Roger,
yes I've used update.packages()
re-installing (without removing first) sp and then rgdal using
install.packages(sp) ; install.packages(rgdal) ... solved the problem.
Thanks
Matteo
Roger Bivand 04/24/13 10:27 AM
On Wed, 24 Apr 2013, Matteo Mattiuzzi wrote:
Dear rgdal
wait for
R-forge)
Matteo
Omphalodes Verna 04/09/13 8:56 AM
Thank you Robert.
It is already possible to install it?
Thank you, OV
From: Robert J. Hijmans
To: Matteo Mattiuzzi
Cc: r-sig-geo ; omphalodes.ve...@yahoo.com
Sent: Tuesday, April 9, 2013 8:40
, ]
plot(segment[,1], type = l)
Thanks, OV
- Original Message -
From: Matteo Mattiuzzi
To: r-sig-geo@r-project.org; omphalodes.ve...@yahoo.com
Cc:
Sent: Thursday, March 21, 2013 7:52 PM
Subject: Re: [R-sig-Geo] vertical profile of raster DEM along road (package
raster)
Dear Omphalodes
Dear Omphalodes,
library(raster)
library(sp)
set.seed(2)
data(volcano)
r - raster(volcano)
plot(r)
l1 = cbind(c(seq(0,1 , by = 0.1)), runif(11, 0, 1))
S1 = Lines(list(Line(l1)), ID = a)
lines(S1, asp = 1, col = red)
S1-SpatialLines(list(S1)) # I'm not practic in sp, but this at least works!
Dear Ross,
set.seed(1234)
myPointsSp - data.frame(x=rnorm(10, mean=1.23347499, sd=0.002),
y=rnorm(10, mean=52.00096, sd=0.002))
coordinates(myPointsSp) - c('x', 'y')
proj4string(myPointsSp) - CRS(+proj=longlat +ellps=WGS84 +datum=WGS84)
# make raster
myExtent - extent(myPointsSp)
myRaster -
And of coarse the last step was not completely right:
...
myPointsDf - as.data.frame(myPointsSp)
vals - extract(myRaster,myPointsSp)
myPointsDf - cbind(myPointsDf,vals)
so now the values are in your data.frame, or maybe also this is ok:
myDf - extract(myRaster,myPointsSp,df=TRUE)
Ross
to an equal area projection (Sinusoidal):
myRaster - projectExtent(r,crs=+proj=sinu +lon_0=0 +x_0=0 +y_0=0
+a=6371007.181 +b=6371007.181 +units=m +no_defs)
Using the obeyRes function kindly given to me by Matteo Mattiuzzi
(
https://stat.ethz.ch/pipermail/r-sig-geo/attachments/20130224/3247ffd4/atta
=+proj=longlat +ellps=WGS84 +datum=WGS84)
Ive projected the raster to an equal area projection (Sinusoidal):
myRaster - projectExtent(r,crs=+proj=sinu +lon_0=0 +x_0=0 +y_0=0
+a=6371007.181 +b=6371007.181 +units=m +no_defs)
Using the obeyRes function kindly given to me by Matteo Mattiuzzi
(https
Hi Zia,
instead of writeGDAL you can use the writeRaster function:
r-writeRaster(r,tr,options=TFW=YES)
Matteo
Zia Uddin Ahmed z...@cornell.edu 01.03.2013 15:38
Thanks everybody. It works fine with following codes for extracting
max value from list from a huge data set (max pixel value of
to Sinusoidal, perhaps I could
first
draw the polygons on the WSG84 google map, then re-project each polygon
to
Sinusoidal?
Thanks
Ross
From: Matteo Mattiuzzi
Date: Friday, 1 March 2013 14:42
To: Ross Ahmed ,
Subject: Antw: [R-sig-Geo] project google map to Sinusoidal
myExtent - extent(c
Dear Ani,
Your a and b are not objects, they are the name the layers in your object
s. So you can't treat it that way.
Maybe this is what you want?
require(raster)
r- raster(nrows=2, ncols=2)
r[]-1:ncell(r)
s-stack(r,r)
names(s)-c(a,b)
r1- s[[a]] + s[[b]]
Matteo
aniruddha ghosh
cell in raster is 300^2km
sqrt(800)*800 = each cell in raster is 800^2km
Could you let me know if these are correct?
Ross
On 24 Feb 2013, at 10:16, Matteo Mattiuzzi wrote:
Dear Ross,
in your mail you wrote 100 qkm and 1000 qkm. The map unit of
sinusoidal is [m] as you see in the CRS.
sqrt
is 1000^2m, you have provided this code:
ext1000 - obeyRes(extent(EAE),resolution=sqrt(1000)*1000)
Why have you used sqrt(1000)*1000? Why not 1000*1000?
Ross
On 20/02/2013 16:08, Matteo Mattiuzzi
wrote:
Dear Ross,
You have 2 problems, one is that by changing the resolution you change
in most
Dear List,
I want to invite you to that discussion
http://osgeo-org.1560.n6.nabble.com/QGIS-SEXTANTE-R-td5036108.html about the
integration of R in SEXTANTE-QGIS.
I think SEXTANTE offers a really interesting possibility to use R from within
Q-GIS. So also people not comfortable with R could
Dear Ross,
You have 2 problems, one is that by changing the resolution you change
in most of the cases also the extent, and second you cannot generate a
regular raster (same area for all pixels) based on LAT/LON.
You will have to use to an equal area projection.
Dear Abdulhakim,
which version is your MODIS package? In the last version 0.8-04 this
should work!
Matteo
Abdulhakim Abdi 02/19/13 2:19 PM
Dear List,
I'm trying to execute the arcStats function in the MODIS package:
arcStats(product=MYD17A2, collection=005,
Hi Jonathan,
for what I understand from your question the main issue is the resizing of the
pixels to a larger size. The solution below is 1 not very performant and 2 not
fully memory save as polygonToRaster is used again, but maybe you find
something usefull.
Matteo
# largest area function
Dear Wesley,
You may give a try to the MODIS package. Currently it has build problems in
R-Forge but you can also install ZIP or TAR from here:
https://www.dropbox.com/sh/18t0rgcm6bga7xt/-4k_Xwojxr/MODIS
If you just want to download the data you are fine with that. If you want to
also
example scripts I could use to become more familiar with
the tools? I have the manual and will use that for now.
Many thanks,
Wesley
On Mon, Dec 10, 2012 at 3:48 PM, Matteo Mattiuzzi
matteo.mattiu...@boku.ac.at wrote:
Dear Wesley,
You may give a try to the MODIS package. Currently it has build
Hi,
using the example of ?extract you can do:
r - raster(ncol=36, nrow=18)
r[] - 1:ncell(r)
r - stack(r,r,r)
cds1 - rbind(c(-180,-20), c(-160,5), c(-60, 0), c(-160,-60), c(-180,-20))
cds2 - rbind(c(80,0), c(100,60), c(120,0), c(120,-55), c(80,0))
polys -
Dear Julio,
format(as.Date(2005135,%Y%j),%Y/%b/%d)
Here a nice description of possibilities:
http://statistics.berkeley.edu/classes/s133/dates.html
Matteo
Julio Oliveira 02.12.12 18.34 Uhr
Dears,
I have dates of the type ddd (ex.: 2005135), where 2005 is the year and 135
is day of
Hi Steve, what about this?
DF - structure(list(v = c(4L, 4L, 4L, 4L, 4L, 4L, 4L), h = 8:14, ll_lon =
c(-131.0149,
-117.7464, -104.5202, -91.3388, -78.2083, -65.15, -52.1199),
ll_lat = c(39.7081, 39.7342, 39.7557, 39.7728, 39.7858, 39.7937,
39.7994), ul_lon = c(-156.8405, -140.7952,
,lr_lat)
On Sun, Oct 7, 2012 at 9:51 AM, Matteo Mattiuzzi
matteo.mattiu...@boku.ac.at wrote:
Hi Steve, what about this?
DF - structure(list(v = c(4L, 4L, 4L, 4L, 4L, 4L, 4L), h = 8:14, ll_lon =
c(-131.0149,
-117.7464, -104.5202, -91.3388, -78.2083, -65.15, -52.1199),
ll_lat = c(39.7081
interactive map. and I
just wanted a very simple super simple api. getVH(lonlat) or a case that
accepts poly or bbox as input.
On Sun, Oct 7, 2012 at 10:23 AM, Matteo Mattiuzzi
matteo.mattiu...@boku.ac.at wrote:
If MODIS tiles are your aim why don't you use?
MODIS:::getTile()
steven mosher
, 2012 at 10:53 AM, Matteo Mattiuzzi
matteo.mattiu...@boku.ac.at wrote:
This is what I can serve:
getTile(extent=path/to/your/file.shp)$tile # poly
getTile(extent=path/to/your/raster.file)$tile # rasterfile
getTile(extent=extent(raster.file))$tile # raster extent
getTile(extent=austria)$tile
Hi,
the only way I can see is to use ?xyFromCell
r - raster()
r[] - 1:ncell(r)
r - brick(r,r*2)
vals - getValues(r)
coords - xyFromCell(r,1:ncell(r))
res - cbind(coords,vals)
write.table(res,file1.txt)
Matteo
Tiffany Smith 03.10.12 22.34 Uhr
Hello,
I'm trying to write out the
Dear David,
lets say you are getting the EVI from MOD13Q1 product:
https://lpdaac.usgs.gov/products/modis_products_table/mod13q1
scroll down and click on layers.
Here you find every infromation about scaling and in case of EVI it is :
layer Name: 250m 16 days EVI
Units: EVI
bit type: 16-bit
Dear all!
I have done some changes regarding the dependencies of the MODIS
package (current version 0.3-16). I have removed nearly every dependency
and moved less central packages to the suggested once (probably I have
exaggerated a bit with it!). To work reasonably you need also some of
the
, fun, filename=fout))
user system elapsed
393.477 79.516 2197.248
Same 45 images took ~36 minutes to be integrated using 'rowSums' function!!
Thanks for this tip - it will certainly speed up my work!
All the best,
Thiago.
From: Matteo Mattiuzzi
=FALSE)
Best, Robert
On Sat, May 12, 2012 at 2:26 AM, Matteo Mattiuzzi wrote:
Dear Thiago,
is this what you need?
library(raster)
r - raster()
r[]-1:ncell(r)
r2 - raster()
r2[]-ncell(r):1
r -brick(r,r2)
plot(r)
sos - calc(r,sum)
x11()
plot(sos)
Matteo
sos - calc(r
Dear Thiago,
is this what you need?
library(raster)
r - raster()
r[]-1:ncell(r)
r2 - raster()
r2[]-ncell(r):1
r -brick(r,r2)
plot(r)
sos - calc(r,sum)
x11()
plot(sos)
Matteo
sos - calc(r,sum)
plot(sos)
Thiago Veloso 11.05.12 23.29 Uhr
Dear R-colleagues,
I am trying to sum all
don't close in the way I want it.
Polygons crossing lon +-180 close by crossing the entire globe and not
crossing the line lon +-180...Is there a way to control this?
Thanks Matteo
Edzer Pebesma edzer.pebe...@uni-muenster.de 5/9/2012 3:20 pm
On 05/09/2012 03:07 PM, Matteo Mattiuzzi
- Reply message -
Von: Vikram Ranga babuaw...@gmail.com
An: Matteo Mattiuzzi matteo.mattiu...@boku.ac.at
Cc: r-sig-geo@r-project.org
Betreff: Antw: Re: [R-sig-Geo] HDF format
Datum: Mo., Jan. 30, 2012 13:06
Hi Matteo,
The gdalinfo --verison of my fwtools is
C:/gdalinfo --verison
GDAL 1.7.0b2
\sysWOW64\ but the output is
'gdalinfo' is not recognised as an internal or external command,
operable program or batch file.
Thank you very much Matteo for your work.
Regards,
Vikram.
On 1/27/2012 1:56 PM, Matteo Mattiuzzi wrote:
Hi Vikram, I had to leave yesterday but I'm back at office now
Hi Vikram,
Isn't Aster HDF not an HDF4 format (like MODIS)? HDF4 and HDF5 are not really
comparable/compatible each to other.
If I'm right, you can open the file using GDAL, or even with the raster
package, but you have to point the path to the layer (SDS) and not only to the
file. There was
(strangely)
Regards,
Vikram.
On 1/26/2012 11:29 AM, Matteo Mattiuzzi wrote:
Hi Vikram,
Isn't Aster HDF not an HDF4 format (like MODIS)? HDF4 and HDF5 are not really
comparable/compatible each to other.
If I'm right, you can open the file using GDAL, or even with the raster
package, but you have
H:/new
aster/AST_09_00304012003053127_20120124074826_13837.hdf' had status 1
but It is still returning NULL values...
sds
$SDSnames
NULL
$SDS4gdal
NULL
On 1/26/2012 3:25 PM, Matteo Mattiuzzi wrote:
Ok, I piked a ASTEfile:
ftp://e4ftl01.cr.usgs.gov/ASTER_B/ASTT/AST_L1B.003/2000.03.30
.
Please send always the outputs...
Matteo
Matteo Mattiuzzi matteo.mattiu...@boku.ac.at 1/26/2012 3:53 pm
ok should be simple...remove the space in: c:/new aster and try again
Vikram Ranga babuaw...@gmail.com 1/26/2012 3:45 pm
OK I tried this,
sds-getSDS(HdfName=H:/new
aster
Dear Vikram,
I have update the RemoteSensing package in order to easily compute the DN to
reflectance conversion.
For Unix system you should be able to update RemoteSensing to 0.4.2 with this
updates. On Windows you have to wait a little more.
try:
metafile -
Hi Agus,
no I mean the RemoteSensing package
https://r-forge.r-project.org/projects/remotesensing/
Cheers
Agustin Lobo alobolis...@gmail.com 19.01.2012 11:26
Matteo,
by RemoteSensing package you mean the landsat package?
Agus
2012/1/18 Matteo Mattiuzzi matteo.mattiu...@boku.ac.at:
Dear
Dear Vikram,
It is not good to calculate NDVI from DN. The purpose of DN (digital
number) is only for packing as much information as possible into a given
âBIT-sizeâ (in Landsat 8-bit/pixel/band).
DN is practically the radiance (I think TOA?) modified with an offset
and a gain in order to
Default Title
Dear List,
I'm looking for a method to tile raster files with an fixed origin and fixed
size. So the indexing (HxxVxx) would be important too.
Does anybody know a good solution for my problem.
Thanks,
Matteo Mattiuzzi
[[alternative HTML version deleted
@Barak
I would remove this option completely, it often leads to problems with server
connection (not deeper investigated!).
My suggestion is:
Instead of:
getlist - strsplit(getURL(paste(FTP,/,dirs[i], /, sep=),
.opts=curlOptions(ftplistonly=TRUE)), \r*\n)[[1]]
do something like:
ftpfiles
base
other attached packages:
[1] audio_0.1-4getMODIS_0.2-9 RCurl_1.6-10 bitops_1.0-4.1
loaded via a namespace (and not attached):
[1] tools_2.13.2
Any tip on what might be causing this error?
Best wishes,
Thiago.
--- On Thu, 27/10/11, Matteo Mattiuzzi wrote:
From
Hi,
I think the main difference and problem, comparing a features space of spectral
bands and one of NDVI values in the time domain is that the spectral bands do
not shift, but a NDVI pattern does.
I.e.
Wheat in different climatological areas (mountain/valley, north/south,
continental/...)
Hi Alfredo,
Wilfrieds code is without doubt the fastest, but not memory safe!
calc calls the function for each pixel, so x is a single pixel (if test is
a single layer), I think this makes calc slow.
If the solution below is still to slow, you could think using more cores if you
machine
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