Re: [GRASS-dev] r.stats.quantile: does the 50th percentile equal to the median?

Thank you Markus! --- On 2021-01-23 21:20, Markus Metz wrote: On Fri, Jan 22, 2021 at 2:51 PM wrote: Hi devs, does the default `percentiles=50` in `r.stats.quantile` equal to the median? Is the definition exclusive or inclusive? The median is commonly defined as the 50% percentile, the

[GRASS-dev] r.stats.quantile: does the 50th percentile equal to the median?

Hi devs, does the default `percentiles=50` in `r.stats.quantile` equal to the median? Is the definition exclusive or inclusive? Thank you for any insight, Nikos -- See also - https://en.wikipedia.org/wiki/Percentile - https://math.stackexchange.com/q/2048470/445399

[GRASS-dev] Render related environment variables and vector maps

Dear 'GRASS_RENDER'-experts, I use custom functions to render several raster maps on the same output image file (always in the Terminology terminal): ``` # draw a raster map using `tyraster` function tyraster { # new frame, new file unset GRASS_RENDER_FRAME unset

Re: [GRASS-dev] Read-access to data in a different location with same SRS

Hi all. Greetings and have nice programming sessions. (Not happy not being able to be an active member of the great team you have). Regarding linking, this https://github.com/NikosAlexandris/r.internal might be of interest. Created to not duplicate tens of thousands of Landsat maps in the

Re: [GRASS-dev] Extract vector features from external PostGIS layer without building topology

À Dimanche 6 août 2017, Martin Landa a écrit : > Hi, > > 2017-08-06 8:38 GMT+02:00 Nikos Alexandris : > > I am looking for a confirmation that the following is _not_ possible: > > > > v.external -b input="PG:host=somehost user=someuser dbname=somepgdb" > >

Re: [GRASS-dev] Status of r.cva?

Nikos Alexandris: ...(and r.viewshed [2]). [2] Module/manual exists only for G7 http://grass.osgeo.org/grass70/manuals/r.viewshed.html, not for G64! Markus Metz wrote: r.viewshed is available as add-on for G6: http://grasswiki.osgeo.org/wiki/AddOns/GRASS_6#r.viewshed Compiles and works

Re: [GRASS-dev] i.segment error: Ri is 0

[..] Markus Metz wrote: Not really. I created a sample dataset with a MASK leaving only a narrow diagonal strip and everything went fine. Did you get any other warnings while running i.segment? I assume you are using 64 bit Linux with more than 3072 GB RAM and lots of free disk space on the