Does the example in v.rast.stats manual [1] work for you, Luis? Is your polygon vector map "healthy"? The error you get seems to be while converting the vector to raster, hence I wonder if boundaries of all areas in your vector are right.
my 0.02 cents Vero [1] https://grass.osgeo.org/grass78/manuals/v.rast.stats.html El lun, 1 feb 2021 a las 16:31, Luís Moreira de Sousa via grass-user (< grass-user@lists.osgeo.org>) escribió: > Hi Micha, thank you for replying. > > I recreated the PSU layer in another mapset with the default SQLite > back-end, v.rast.stats fails with the exact same error. So this is not > related to the back-end. > > Below are the outputs you requested. Thank you. > > > v.info PSU > > +----------------------------------------------------------------------------+ > | Name: > PSU | > | Mapset: > MAL | > | Location: > S4AHomolosine | > | Database: > /home/duque004/Work/GRASSDATA | > | > Title: | > | Map scale: > 1:1 | > | Name of creator: > duque004 | > | > Organization: | > | Source date: Fri Jan 29 08:13:08 > 2021 | > | Timestamp (first layer): > none | > > |----------------------------------------------------------------------------| > | Map format: > native | > > |----------------------------------------------------------------------------| > | Type of map: vector (level: > 2) | > | > | > | Number of points: 0 Number of centroids: > 19468516 | > | Number of lines: 0 Number of boundaries: > 38945853 | > | Number of areas: 19468516 Number of islands: > 1 | > | > | > | Map is 3D: > No | > | Number of dblinks: > 1 | > | > | > | Projection: > unknown | > | > | > | N: 4289569.27224353 S: > -4452930.72775647 | > | E: 6679312.25515029 W: > -2226387.74484971 | > | > | > | Digitization threshold: > 0 | > | > Comment: | > | > | > > +----------------------------------------------------------------------------+ > > > r.info MAL_Mode_5x5 > > +----------------------------------------------------------------------------+ > | Map: MAL_Mode_5x5 Date: Thu Jan 28 09:08:14 > 2021 | > | Mapset: MAL Login of Creator: > duque004 | > | Location: > S4AHomolosine | > | DataBase: > /home/duque004/Work/GRASSDATA | > | Title: 5x5 neighborhood: mode of > MAL_AFRICA | > | Timestamp: > none | > > |----------------------------------------------------------------------------| > | > | > | Type of Map: raster Number of Categories: > 0 | > | Data Type: > CELL | > | Rows: > 87425 | > | Columns: > 89057 | > | Total Cells: > 7785808225 | > | Projection: > unknown | > | N: 4289569.27224353 S: -4452930.72775647 Res: > 100 | > | E: 6679312.25515029 W: -2226387.74484971 Res: > 100 | > | Range of data: min = 0 max = > 1 | > | > | > | Data > Description: | > | generated by > r.neighbors | > | > | > | > Comments: | > | r.neighbors input="MAL_AFRICA" output="MAL_Mode_5x5" method="mode" > s\ | > | > ize=5 | > | > | > > +----------------------------------------------------------------------------+ > > > -- > Luís > > Sent with ProtonMail <https://protonmail.com> Secure Email. > > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Friday, January 29, 2021 3:31 PM, Micha Silver <tsvi...@gmail.com> > wrote: > > > > On Fri, Jan 29, 2021 at 3:53 PM Luís Moreira de Sousa via grass-user < > grass-user@lists.osgeo.org> wrote: > >> Dear all, >> >> I am getting the error "Unable to seek" with v.stats.error. There is not >> much information that could point the cause, just a warning saying that >> some data base files are not found. I checked the database connection and >> everything looks in order (see below). Any hints on what may be causing >> this error? >> >> Thank you. >> >> > v.rast.stats map=PSU raster=MAL_Mode_5x5 method=number >> column_prefix=mal >> ERROR: Unable to seek: Invalid argument >> ERROR: An error occurred while converting vector to raster >> WARNING: No data base element files found >> >> > db.connect -p >> driver: pg >> database: s4a >> schema: mal >> group: >> >> > psql -d s4a -p 5434 >> psql (12.5 (Ubuntu 12.5-0ubuntu0.20.04.1)) >> Type "help" for help. >> >> s4a=# \dt mal.* >> List of relations >> Schema | Name | Type | Owner >> --------+--------------------------+-------+---------- >> mal | psu | table | duque004 >> (1 rows) >> >> > Could it be simply CAPS in the vector name vs small letters in the > Postgres table? > Can you post the outputs from: > v.info PSU > r.info MAL_Mode_5x5 > > > >> s4a=# select count(*) from mal.psu; >> count >> ---------- >> 19468516 >> (1 row) >> >> >> >> >> -- >> Luís >> >> _______________________________________________ >> grass-user mailing list >> grass-user@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/grass-user >> > > > -- > Micha Silver > Ben Gurion Univ > Sde-Boker Remote Sensing Lab > cell: +972 (52) 3665918 > > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-user >
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