[GRASS-user] using orthortectification tool to orthorectify SPOT-5 images

Greetings I will receive a few SPOT-5 and I will need to Orthorectify them. First of all, how can I use i.ortho.photo in WIndows (the menu entry is disabled)? Second, does it already include a DEM product or I should download one? If I need to download, what free DEM do you suggest? Thanks Luis

[GRASS-user] Assess land cover change

Greetings I have 2 land cover maps (1990 and 1995) and I want to detect changes between them and create a change detection matrix. can this be done in GRASS? Regards, Luis Lisboa ___ grass-user mailing list grass-user@lists.osgeo.org http

Re: [GRASS-user] Assess land cover change

Thank you Moritz Just one last question: is it possible to produce a raster product that attributes a code/color to a specific land cover change? Regards Luis On Wed, Oct 17, 2012 at 3:25 PM, Moritz Lennert mlenn...@club.worldonline.be wrote: On 17/10/12 15:46, Luis Lisboa wrote: Greetings

Re: [GRASS-user] Re: Is it possible to export labels in image?

Maybe the problem is other. this what I am doing: 1- produce a map 2- reclass this map (image1) 3- apply reclass over this same map to have labels) Might this be he problem? Thanks Luis On Thu, May 19, 2011 at 7:55 PM, Giovanni Manghi giovanni.man...@gmail.comwrote: Hi Luis, GIonanni

[GRASS-user] Re: Is it possible to export labels in image?

Hi GIonanni Suggested me to use r.mapcalc new=@old_with_labels but I get a map with Nulls. Is there any way to export Labels? THanks On Fri, May 13, 2011 at 8:44 AM, Luis Lisboa luislisboa1...@gmail.comwrote: Greetings I have an raster file with labels (used r.reclass). Is it possible

[GRASS-user] Defining color table rules- other classes

Greetings I have created a color table and defined colors for classes between 0-20. But, when I export It (as geotiff), it also defines colors for classes that does not exist (all black) or even for classes between 0-20 that does not have any pixel with that value. Is this expected? Thanks Luis

Re: [GRASS-user] Defining color table rules- other classes

So, it also creates an black entry for values from 21 til 255 right? Thanks Luis On Mon, May 16, 2011 at 12:38 PM, Markus Metz markus.metz.gisw...@googlemail.com wrote: On Mon, May 16, 2011 at 1:09 PM, Luis Lisboa luislisboa1...@gmail.com wrote: Greetings I have created a color table

[GRASS-user] Is it possible to export labels in image?

Greetings I have an raster file with labels (used r.reclass). Is it possible to export (r.out.gdal in geotiff format) it with the labels? Thanks Luis ___ grass-user mailing list grass-user@lists.osgeo.org

[GRASS-user] Error while Compiling winGRASS with OSGEO4w- GDAL

Greetings I'm compiling winGRASS with OSGEO4w and I'm getting an error Unable to locate GDAL library. I have gdal but maybe I'm missing some file. can anyone indicate me which one is GDAL library? Thanks Luis ___ grass-user mailing list

Re: [GRASS-user] Re: Exporting Vector data to SHP (v.out.ogr)- takes a lot of time

Well in this case I'm building my Msc Thesis on GRASS (interfaces+functions+modles) and tyhat would mean loose some part of my work So, and since GRASS6.4.0 was expected to export this data, what can I do? is this a lack-of-memory problem? or sometyhing that other users haver already experienced?

[GRASS-user] Re: Exporting Vector data to SHP (v.out.ogr)- takes a lot of time

anyone give me some tips on this? Thanks Luis ...that´ll be a HUGE vector file! So it´s normal, that it takes some minutes. On Thu, Nov 11, 2010 at 3:08 PM, Luis Lisboa luislisboa1...@gmail.comwrote: Greetings I have produced a vector map (with r.to.vector) with the following metadata

Re: [GRASS-user] Re: Exporting Vector data to SHP (v.out.ogr)- takes a lot of time

)... And after 20 minutes it seems freezed It this too much polygons? On Fri, Nov 12, 2010 at 9:06 AM, Achim Kisseler a...@jupiter.uni-freiburg.de wrote: Am 12.11.2010 09:40, schrieb Luis Lisboa: The problem is that, I left it this night processing and, when I returned it has freezed. So, v.out.ogr

[GRASS-user] Exporting Vector data to SHP (v.out.ogr)- takes a lot of time

Greetings I have produced a vector map (with r.to.vector) with the following metadata: v.info test01 ++ | Layer: teste01 | | Mapset: Regional | |

[GRASS-user] Error when importing data in Windows with Python Script

process to change this instead of having the users doing this by-hand? Thanks Luis Lisboa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Question regarding Wiki: Compiling GRASS on MS-Windows

I'm following this wiki http://trac.osgeo.org/grass/wiki/CompileOnWindows and I have one question regarding: Download the MinGW packages: (* updates may be found herehttps://sourceforge.net/project/showfiles.php?group_id=2435 *) - *Temp bugfix* (see here

[GRASS-user] Application of r.color

Hi there I have a script where I create a map (using mapcalc) and I want to attribute a color (gray for instance) but it ranges from 0 to 5 so I cannot attribute gray0-1 neither gray0-255. What can I do to attribute a color table that stretches its color attibution to the image max and minimum

[GRASS-user] Multiple arguments in a grass.command- Python

Greetings I have a script where I need to define a region based on 2 rasters output[0] and output[1]. I'm using thwe following expression: grass.run_command(g.region, rast = output[2] output[3], res= t_srx) But This is not correct. my question is how can I have both rasters without getting an

[GRASS-user] GRASS vectorial and raster data structure- Documentation

Hi there I'm using GRASS in my master thesis and I forgot an very important issue: Since I'm producing data in GRASS format (vectorial and raster) I need to have chapter regarding data structure. I only found a GRASS data structure information in GDAL/OGR website. Is there any other wiki/webpag

Re: [GRASS-user] Converting raster to Vector (areas)- Question

Hello Markus and GRASS ML But these two areas can have the same category, here 1, and you can add more info for each category to the attribute table. But can I do that while running r.to.vect? If yes, How? ___ grass-user mailing list

[GRASS-user] Converting raster to Vector (areas)- Question

Greetings I have a labeled/classified image like this (hoje this displayed correctly ): 1 1 1 1 1 1 3 2 2 2 1 1 1 3 2 2 1 1 1 1 3 2 1 4 4 4 4 4 4 4 4 4 4 4 4 When I convert this to vector (areas) the pixel with value 1 in row 4 is considered a different area from the one with all ones but it

[GRASS-user] Defining a Global Variable in WinGRASS

Greetings I saw a few messages regarding global variable and I reminded that I had this question: - At WinGRASS I need to define a TEMP_folder (destination for temp files) for a few scripts and modules. and I wanted to define as a GRASS GLOBAL VARIABLE (just like GISBASE). Is it possible? Thanks

[GRASS-user] Customize GRASS GUIs modules

I'm using GRASS6.4 with WxGUI and I'm using it to display to a few teachers some processed images (e.g. NDVIs, statistical analysis of images, bla bla bla) but they are complaining about the modules interfaces. Their complaints regards colours, GRASS's icon (they say it should be bigger) and

Re: [GRASS-user] Warnings while importing Kompsat-2 images

of these text items should be a zero byte. On Tue, May 25, 2010 at 9:13 AM, Luis Lisboa luislisboa1...@gmail.comwrote: Hello Hamish On Mon, May 24, 2010 at 6:50 PM, Hamish hamis...@yahoo.com wrote: I believe these are actually GDAL warning messages and not GRASS ones. Will gdalinfo

Re: [GRASS-user] Warnings while importing Kompsat-2 images

Hello Hamish On Mon, May 24, 2010 at 6:50 PM, Hamish hamis...@yahoo.com wrote: I believe these are actually GDAL warning messages and not GRASS ones. Will gdalinfo and/or gdal_translate work with the files? Yes they do work... ___ grass-user

[GRASS-user] Warnings while importing Kompsat-2 images

Hi there I imported Kompsat-2 images using r.in.gdal and I gfot this warnings: rning 1: TIFFFetchNormalTag:ASCII value for tag DocumentName does not end in null byte Warning 1: TIFFFetchNormalTag:ASCII value for tag ImageDescription does not end in null byte Warning 1: TIFFFetchNormalTag:ASCII

[GRASS-user] Calculate statistics for raster values in polygons

Greetings I have a vectorial data that divides my region in sub-areas. I want to calculate the average value of a raster but instead for all pixel values, I want to calculate the average of pixel values that are inside each polygonIs this possible in GRASS? If yes, how? Thank you Luis

[GRASS-user] ORFEO integration/interface with GRASS

Greetings I would like to know if anyone as tried to integrate or build an interface between GRASS and ORFEO toolbox (OTB) http://www.orfeo-toolbox.org/otb/ This tool has a lot of segmentation tools and classifiers that can be used in QGIS. I wanted to know if it's possible to integrate/use in (or

[GRASS-user] WMS maps in i.class

Hi everyone I'm starting to using i.class function and I have a question; instead of using Landasat or other imported images, is it possible to use a WMS image? Best regards, Luis ___ grass-user mailing list grass-user@lists.osgeo.org

[GRASS-user] Univariate Statistics

Greetings I need to do some univariate statitstics that goes beyond the max/min/median/average/standard deviation. I need to do some outliers detection, distribution analysis and some more basic statistics. Since GRASS doesn't perform this I would like to know what are people using? Some

Re: [GRASS-user] Univariate Statistics

/grass_geostats.html Jose Luis Lisboa escribió: Greetings I need to do some univariate statitstics that goes beyond the max/min/median/average/standard deviation. I need to do some outliers detection, distribution analysis and some more basic statistics. Since GRASS doesn't perform this I

[GRASS-user] HTML manuals languages

Greetings I would like to know if it's possible to have html manual pages in different languages besides English. I mean, the LC_Languages, in locale, can also be applied to the English html manual pages? Thanks Luis ___ grass-user mailing list

Re: [GRASS-user] Geometric Correction

Ok I see Are there any remains from the code that was stuck in GRASS 4/5? On Thu, Feb 4, 2010 at 2:11 PM, Markus Neteler nete...@osgeo.org wrote: On Thu, Feb 4, 2010 at 2:06 PM, Luis Lisboa luislisboa1...@gmail.com wrote: Relevant for you is this: - implement/finish linewise ortho

Re: [GRASS-user] Geometric Correction

Relevant for you is this: - implement/finish linewise ortho-rectification of satellite data ...unfortunately stuck since GRASS 4/5... Regarding this... According to Lillesand and Kiefer the idea is to correct geometric distortions of the image. For instance, the Georrectify module is not

[GRASS-user] Geometric Correction

While I was reading chapter 8, from Neteler Mitasova GRASS Book, I realized that there is no specific sub-chapter related with Geometric Correction. This process is to compensate for the distortions introduced by these factors so that the corrected image will have the highest practical geometric

[GRASS-user] Defining Minimum Mapping Units

Greetings all I've been reading a Remote Sensing classic Remote Sensing and Image intepretation by Lillesand and Kiefer. :) By Those guys Minimum Mapping Units are the smallest size areal entity to be mapped as a discrete area. They also state that: The size of a minimum area that can be mapped

[GRASS-user] g.parser's Module/header options

Hey you all I'm reading g.parser description from GRASS website and I'm reading a description of typical header definitions and notes. What I wanted to know is where I can find a description of all parameters (e.g. key, type, description, multiple, ...) that are available and that is possible to

[GRASS-user] Wxpython vector digitizer

for everyone. Luis Lisboa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Error while starting GRASS6.4

Good Evening I have just installed GRASS 6.4 in a Linux and I got this error while trying to start GRASS with WXPYTHON. /usr/lib64/python2.4/site-packages/wx-2.8-gtk2-unicode/wx/_core.py:14448: UserWarning: wxPython/wxWidgets release number mismatch warnings.warn(wxPython/wxWidgets release

Re: [GRASS-user] Supervised classification without i.class

with success this operation? Thanks Best regards Luis Lisboa Universitat Pompeu Fabra, Barcelona ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Defining location/mapset

location for each scale? I would say so, right? If that is the case, I would define mapsets as different data sources or produced maps. Thanks all, Luis Lisboa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo

[GRASS-user] GRASS6.4 in Linux

and compile those to the compiled version? Thanks Best regards Luis Lisboa ___ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user

[GRASS-user] Fwd: New updates

probably 6.4 will be discontinued and people will be using 7 so my code and applications will be outdated and I will have to redone them to GRASS7 version Thanks Best Regards Luis Lisboa ___ grass-user mailing list grass-user@lists.osgeo.org http