Re: [GRASS-user] Problem using r.in.xyz (nodata)

Roberto Marzocchi < roberto.marzoc...@gmail.com> ha scritto: > I use r.in.xyz. > > It import correctly the data but create strange nodata value which are > not present in the input XYZ text file. > > Attached two screenshots of t

[GRASS-user] Problem using r.in.xyz (nodata)

I use r.in.xyz. It import correctly the data but create strange nodata value which are not present in the input XYZ text file. Attached two screenshots of the output result R ___ grass-user mailing list grass-user@lists.osgeo.org

Re: [GRASS-user] Sentinel2- flooding

I Think there isn't any tool pre-configured. You need to find an index to calculate "flooded" cells and then you can simply use r.mapcalc R Il giorno ven 7 dic 2018 alle ore 14:45 Shane Carey ha scritto: > Hi, > > I've obtained an image from sentinel2 where it shows flooding. Just > wondering

Re: [GRASS-user] problem with nnbathy

The problem is related to the following line: grass.call(['nnbathy', > > '-W', '%d' % 0, > > '-i', '%s' % self._tmpxyz, > > '-x', '%d % self.nn_w, '%d' % self.nn_e, > > '-y', '%d' % self.nn_n, '%d' % self.nn_s, > >

Re: [GRASS-user] [GRASS-dev] Strange behavour of t.register command

ssing/maps_registration > > Here's a wiki with examples: https://grasswiki.osgeo.org/ > wiki/Temporal_data_processing#Creating_a_STRDS_and_registering_maps, and > one specific for registering maps: https://grasswiki.osgeo.org/ > wiki/Temporal_data_processing/maps_registration >

[GRASS-user] Strange behavour of t.register command

Dear lists, we are testing the command t.register t.register --o --q -i maps=(name of maps separated by comma) input=time_dataset start='2011-11-03 02:00:00' increment='120' unit='minutes' it run without error but when running g.gui.animation or g.gui.tplot using the time series dataset I have

Re: [GRASS-user] r.damflood and Courant-Friedrich-Lewy stability condition

performance without compromize the stability. Perhaps you can do soem review n the html manual page in order to help users to insert correct input? All the best and happy new year ;-) R -- Eng. Roberto Marzocchi, PhD R coordinator Gter srl Innovazione in Geomatica, Gnss e Gis Spin-off Progetto Uni.T.I

[GRASS-user] r.regression.multi for logistic regression - it is possible?

Dear all, I have dichotomous data (occurrence 1 and non-occurence 0) and I want to use the logistic regression method in order to obtain susceptibility map of landslide occurrence. I try to use r.regression.multi, but I am not sure to correctly define the mapy variable.. I try to use

Re: [GRASS-user] Question about unidimensional and bidimensional waterflow analysis

On 24/10/2013 18:11, Diego Mérida López wrote: Ok, thank you for your response. I was reading the articles in the morning. It would be possible to use GRASS for a flood study of a river or stream in a 2D system (as you can see I am not an expert on this subject and my answers may be

Re: [GRASS-user] Question about unidimensional and bidimensional waterflow analysis

inputs of r.damflood command. I hope to answer to your questions...for further doubts do not hesitate to contact me. Best regards, Roberto -- Eng. Roberto Marzocchi, PhD RD coordinator Gter srl Innovazione in Geomatica, Gnss e Gis Spin-off Progetto Uni.T.I. promosso da UniGE Via Greto di

Re: [GRASS-user] Display decimal degrees instead of DD:MM:SS in Map Display

In the Layer Manager: Config -- preferences In the last tab (projection) there is a radio button DMS/DEG and the precision R -- Dr. Roberto Marzocchi RD coordinator Gter srl Innovazione in Geomatica, Gnss e Gis Spin-off Progetto Uni.T.I. promosso da UniGE Via Greto di Cornigliano 6r - 16152

Re: [GRASS-user] Is r.damflood is suitable for grass6.5

Hi, r.dam is a simple bash script that is useful to create the data for r.damflood. Unfortunately r.dam is written in the grass 6 style and is needed to convert it to use in grass 7, while r.damflood is written in C using the grass7 libraries [1] so you don't find itr for grass6.5. The error [2]

Re: [GRASS-user] How to install and use r.damflood ?

(it is called r.dam). We will upload also this command. Best regards, Roberto Marzocchi -- Gter srl Innovazione in Geomatica, Gnss e Gis Spin-off Progetto Uni.T.I. promosso da UniGE Via Greto di Cornigliano 6r - 16152 Genova P.IVA/CF 01998770992 ph: 010-8694830 Fax: 010-8694737 E-mail

[GRASS-user] From GRASS to postgis - srid 900914 using v.out.ogr

Dear all, exporting a GRASS vector in Postgis suing v.out.ogr the geometry srid is not conserved and I obtain a table with srid = 900914. There is a way to force the srid export of a grass vector using v.out.ogr? Something like the -a_srs option of the ogr2ogr command. Many thanks in advanced.

Re: [GRASS-user] About Flood, Erosion and hydrological modelling

be willing to mentor if there is a student interested in it? In that case you could post it to the ideas page. --Wolf On Sat, Mar 24, 2012 at 14:15, Roberto Marzocchi roberto.marzoc...@gmail.com wrote: The two modules developed by GFOSSERVICE do practically the same thing of hec-geo-ras

Re: [GRASS-user] About Flood, Erosion and hydrological modelling

The two modules developed by GFOSSERVICE do practically the same thing of hec-geo-ras. Concerning r.inund.fluv it use a different approach with an almost-2D flooding model. For any question about this command and for further developments we are available. Best regards, Roberto Il giorno

Re: [GRASS-user] Cost Path

I have resolved with: r.walk -k elevation=your_dtm friction=your_friction output=*walkout*start_points=A stop_points=B afterwards r.drain -c input=*walkout* output=drainout vector_points=B perhaps it is need a filling of the dtm and also of walkout map in order to avoid aq loop effect All the

[GRASS-user] Shell script: d.what.rast

Hello, a simple question! Running a shell script that I am writing, I would like to run d.what.rast on the map display and not in a monitor. It is possible? Thanks in advanced to everyone and have a nice day! RM -- Roberto Marzocchi PhD student in Hydrogeology SUPSI - Institute of Earth