Re: [GRASS-dev] Query Regarding GSOC'17 Idea

Hello Manan and welcome ! Le 7 mars 2017 04:26:36 GMT+01:00, Manan Singh a écrit : >Hi Community! >I'm Manan, an undergrad from New Delhi, India. > >I liked the idea "Additional GUI tools for image analysis" and would >like >to know more about it. >A quick question, is

[GRASS-dev] [GRASS GIS] #3309: Avoid errors in parallel creation of tempfiles

#3309: Avoid errors in parallel creation of tempfiles --+- Reporter: sbl | Owner: grass-dev@… Type: enhancement | Status: new Priority: normal| Milestone: 7.2.1 Component: LibGIS|

[GRASS-dev] Query Regarding GSOC'17 Idea

Hi Community! I'm Manan, an undergrad from New Delhi, India. I liked the idea "Additional GUI tools for image analysis" and would like to know more about it. A quick question, is wxpython necessary or some other gui framework can also be used(tkinter, pyside or pyqt) ?

Re: [GRASS-dev] set computational region iteratively for each clump in a map

Le 6 mars 2017 18:41:28 GMT+01:00, Yann a écrit : >Hi, > >I am having to process each clump individually and I need to set the >computational region successively to each of them. How can I do that? I > >thought about vectorizing and somehow select one polygon and set

[GRASS-dev] set computational region iteratively for each clump in a map

Hi, I am having to process each clump individually and I need to set the computational region successively to each of them. How can I do that? I thought about vectorizing and somehow select one polygon and set the computational region to it... but a bit expensive in processing. Thank you,

Re: [GRASS-dev] RGB colored and Transparent areas in one vector map

On Mon, Mar 6, 2017 at 11:20 AM, Nikos Alexandris wrote: > > Vaclav Petras: > >> Try setting the column value to "none" (usually implemented for parameters, >> I'm not sure here). > > > Does not work, already tried that before. It would make sense to have it, please

Re: [GRASS-dev] RGB colored and Transparent areas in one vector map

Nikos Alexandris: I have an rgb_column with RGBs for a vector map. For some areas, I would like to have no color, as in trasparent. If I am not wrong, we can't do that, ie define "nv" as we can do in color rules for a raster map. Vaclav Petras: Try setting the column value to "none"

Re: [GRASS-dev] r.in.gdal and xargs

Thanks Vincent for your swift reply. In principle the pipe to xargs works, as 99% of the data is imported properly. And also in the case were I get roors, the command is started properly... Thus, I suspect that r.in.gdal can have issues when run in parallel; or the creation of temp files, in

Re: [GRASS-dev] r.in.gdal and xargs

Yes, perhaps something to do with r.in.gdal temp files handling. And what if you try to reduce P value ? well, of course it will slow down the bulk import... Le lundi 06 mars 2017 à 14:02 +, Blumentrath, Stefan a écrit : > Thanks Vincent for your swift reply. > > In principle the pipe to

Re: [GRASS-dev] RGB colored and Transparent areas in one vector map

On Mon, Mar 6, 2017 at 6:44 AM, Nikos Alexandris wrote: > I have an rgb_column with RGBs for a vector map. For some areas, I would > like to have no color, as in trasparent. > > If I am not wrong, we can't do that, ie define "nv" as we can do in > color rules for a

Re: [GRASS-dev] r.in.gdal and xargs

Hello Stefan, just a suggestion, inspired from how I usually use xargs: did you try to put the arguments list in a file (say my_ringdal_args.txt), then run : xargs -a my_ringdal_args.txt -P10 -n 3 r.in.gdal (-n 3 indicating xargs to read 3 arguments for each call to r.in.gdal, i.e. input=

Re: [GRASS-dev] RGB colored and Transparent areas in one vector map

On 06/03/17 12:44, Nikos Alexandris wrote: Dear all, I have an rgb_column with RGBs for a vector map. For some areas, I would like to have no color, as in trasparent. If I am not wrong, we can't do that, ie define "nv" as we can do in color rules for a raster map. Can we? I don't think so,

[GRASS-dev] RGB colored and Transparent areas in one vector map

Dear all, I have an rgb_column with RGBs for a vector map. For some areas, I would like to have no color, as in trasparent. If I am not wrong, we can't do that, ie define "nv" as we can do in color rules for a raster map. Can we? I did not test for removing the centroids, from the areas which

[GRASS-dev] r.in.gdal and xargs

Dear all, I am trying to import time series data using a combination of xargs an r.in gdal: cat current_datasets_age.txt | awk -v U="myunits" -v N="name" '{ print "r.in.gdal input=$1 ".bil output=" $2 "_tmp title=\"" N " in " U " at " $3 "\" --o --q -o\0"}' | xargs -P 10 -I {} -0 bash -c {}

[GRASS-dev] i.atcorr produces 'nan' values for certain RapidEye bands

Dear all, I am experiencing rather strange behavior when using RapidEye top-of-atmosphere (TOA) reflectances as input for i.atcorr. Here, some band-specific output solely contains nan values, whereas other atmospherically corrected layers look just fine. For replication purposes, sample