Hi, On Wed, Dec 5, 2018 at 1:36 PM Veronica Andreo <veroand...@gmail.com> wrote:
> Hi, > > El mié., 5 dic. 2018 a las 11:04, Moritz Lennert (< > mlenn...@club.worldonline.be>) escribió: > >> On 5/12/18 10:47, Margherita Di Leo wrote: >> > Hi, >> >> This can probably somehow be solved within t.rast.univar, but IIUC the >> actual issue comes from the underlying r.univar call which has the same >> behaviour, for example when call with the 'zones' parameter and the '-t' >> flag: data is just absent if there are only null values in a given zone. >> I've been struggling with that, for example for addon modules such as >> i.segment.stats. I don't know how easy it would be to change that within >> r.univar, but it would be nice. >> >> IIUC, the issue comes from stats.c [1]: >> >> 123 if (stats[z].n == 0) >> 124 continue; >> >> Maybe a flag to fill the stats with NULL values, instead of ignoring >> them, would be appropriate ? > > > [...] > +1!! > > But I don't know what an good NULL value would be here. >> > > IIRC, r.out.xyz and t.rast.out.xyz use the '*' character. > Indeed, this is the case also for t.rast.what It would be good to create a ticket for this, no? As to not forget > afterwards... > Yes. I'm not sure if this should be put as a ticket for r.univar, or for t.rast.univar or 2 separate tickets referring to each other? -- Margherita Di Leo
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