[no subject]
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[R-sig-Geo] Vegetation calculation
Dear Community! I need to calculate the total pixels of vegetation in my Quick bird Image. I want to divide image by 300*300 pixel and then want to know how many pixels are covered with vegetation within this area and so on for whole image. e.g. Area1= 45 pixel out of 300*300 pixels, Area2= 10 pixel out of 300*300 , so on for whole image Your method\package and comments will be helpful to achieve my target. with Best Regards, Malik [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] ASTER DATA???
Dear How I can download ASTER DataYour valuable comment will be appreciated. Thanks in Advance...Malik [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[OpenLayers-Users] ASTER DATA???
Dear How I can download ASTER Data Your valuable comment will be appreciated. Thanks in Advance... Malik ___ Users mailing list us...@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/openlayers-users
[R-sig-Geo] Basic Info. requried
I want to read Iknos image and then want to see display in R. Just read and display nothing else. I try using raster package rasterfile-system.file(C:/iknos/edwards_airbase_usa_1m_tc.tif,package=raster) Then plot with the help of this command plot(rasterfile) Error in plot.window(...) : need finite 'ylim' values In addition: Warning messages: 1: In min(x) : no non-missing arguments to min; returning Inf 2: In max(x) : no non-missing arguments to max; returning -Inf Need help from where I can learn basic things, I already read raster package manual but unable to see the image. with Best Regards, Malik Shahzad Visiting Researcher National Institute of Informatics (NII) Tokyo, Japan Doctoral Student Asian Institute of Technology (AIT) Bangkok, Thailand +66-8-7676-5616 [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] R Basic Info. requried
Dear thanks for help, In first line there is no problem rasterfile-system.file(C:/iknos/edwards_airbase_usa_1m_tc.tif,package=raster) This works fine without any error, It mean image has been loaded into variable raster file, but now how i can display raster file in R. I mean I want to see my image that is stored in this variable. When I use plot(rasterfile) it shows error. Before this I work with rImage package to load image(*.jpg) file and then show with the help of plot(image). it works there fine and I can see image but now I am unable to see my output. I hope you got my point. with Best Regards, Malik Shahzad Visiting Researcher National Institute of Informatics (NII) Tokyo, Japan Doctoral Student Asian Institute of Technology (AIT) Bangkok, Thailand +66-8-7676-5616 Date: Wed, 6 Oct 2010 17:49:35 +0300 Subject: Re: [R-sig-Geo] Basic Info. requried From: r.hijm...@gmail.com To: kmcou...@gmail.com CC: geoma...@live.com; r-sig-geo@stat.math.ethz.ch Indeed, and as Malik is not using a system file (files packaged with R to serve as examples), you can should leave that bit out and do: r -raster(C:/iknos/edwards_airbase_usa_1m_tc.tif') plot(r) Robert On Wed, Oct 6, 2010 at 4:44 PM, kapo coulibaly kmcou...@gmail.com wrote: I believe there is a mistake in your command. You skipped the raster command itself. From the raster help files here is the correct way: r - raster(system.file(external/test.grd, package=raster)) On Wed, Oct 6, 2010 at 7:36 AM, Malik Shahzad geoma...@live.com wrote: I want to read Iknos image and then want to see display in R. Just read and display nothing else. I try using raster package rasterfile-system.file(C:/iknos/edwards_airbase_usa_1m_tc.tif,package=raster) Then plot with the help of this command plot(rasterfile) Error in plot.window(...) : need finite 'ylim' values In addition: Warning messages: 1: In min(x) : no non-missing arguments to min; returning Inf 2: In max(x) : no non-missing arguments to max; returning -Inf Need help from where I can learn basic things, I already read raster package manual but unable to see the image. with Best Regards, Malik Shahzad Visiting Researcher National Institute of Informatics (NII) Tokyo, Japan Doctoral Student Asian Institute of Technology (AIT) Bangkok, Thailand +66-8-7676-5616 [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R-sig-Geo] Syntax for reading Ploting Satellite Image using raster library
I need help how to read IKNOS image using R raster library and then plot\show that image. (very basic question, sorrry for this). with Best Regards, Malik Shahzad Doctoral Student Asian Institute of Technology (AIT) Bangkok, Thailand +66-8-7676-5616 [[alternative HTML version deleted]] ___ R-sig-Geo mailing list R-sig-Geo@stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/r-sig-geo
[R] Help required
Is it possible to read jpeg files into R? If yes please guide, Thanks.. I tried to search many time but failed to do. Thankis in advance.. with Best Regards, Malik Shahzad Visiting Researcher National Institute of Informatics (NII) Tokyo, Japan Doctoral Student Asian Institute of Technology (AIT) Bangkok, Thailand +66-8-7676-5616 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
