i will do that. i think also as there is denilevation in that area, some of the voxels are above ground which creates these 'empty' areas.
On Thu, Jan 31, 2019, 02:25 Markus Metz <[email protected] wrote: > > > On Sat, Jan 26, 2019 at 7:43 PM Francois Chartier <[email protected]> > wrote: > > > > Hi, > > > > Using v.vol.rst, (see command below, and g.region), the interpolation > results in rectangular areas in certain areas, see attached photo. > > Does this have to do with the segmentation process or something else? > > Most probably yes, try to increase npmin. Maybe you also need to increase > segmax, but segmax should not be increased without increasing npmin, > otherwise you might get more of these block artefacts. > > Markus M > > > > v.vol.rst --overwrite input="Dec16CleanedJjan12@Toronto" wcolumn="db\ > | > > | l_2" tension=10 smooth=0.1 segmax=50 npmin=200 npmax=700 dmin=0.1 > ws\ | > > | cale=1.0 zscale=1.0 elevation="jan25" > > > > (Sat Jan 26 13:37:21 2019) Command finished (0 sec) > > > (Sat Jan 26 13:37:44 2019) > > > r3.info map=Jan25@Toronto > > > > > +----------------------------------------------------------------------------+ > > | Layer: Jan25@Toronto Date: Fri Jan 25 22:12:59 > 2019 | > > | Mapset: Toronto Login of Creator: Francois > Charti | > > | Location: Toronto > | > > | DataBase: C:\Users\Francois Chartier\Documents\grassdata > | > > | Title: jan25 > | > > | Units: none > | > > | Vertical unit: units > | > > | Timestamp: none > | > > > > |----------------------------------------------------------------------------| > > | > | > > | Type of Map: raster_3d Number of Categories: 0 > | > > | Data Type: FCELL > | > > | Rows: 400 > | > > | Columns: 450 > | > > | Depths: 65 > | > > | Total Cells: 11700000 > | > > | Total size: 27646661 Bytes > | > > | Number of tiles: 1575 > | > > | Mean tile size: 17553 Bytes > | > > | Tile size in memory: 32400 Bytes > | > > | Number of tiles in x, y and z: 15, 15, 7 > | > > | Dimension of a tile in x, y, z: 30, 27, 10 > | > > | > | > > | Projection: UTM (zone 17) > | > > | N: 4837000 S: 4833000 Res: 10 > | > > | E: 632500 W: 628000 Res: 10 > | > > | T: 115 B: 50 Res: 1 > | > > | Range of data: min = -25.42733002 max = 121.86579132 > | > > | > | > > | Data Source: > | > > | > | > > | > | > > | > | > > | Data Description: > | > > | generated by v.vol.rst > | > > | > | > > | Comments: > | > > | v.vol.rst --overwrite input="Dec16CleanedJjan12@Toronto" > wcolumn="db\ | > > | l_2" tension=10 smooth=0.1 segmax=50 npmin=200 npmax=700 dmin=0.1 > ws\ | > > | cale=1.0 zscale=1.0 elevation="jan25" > | > > | > | > > > > +----------------------------------------------------------------------------+ > > (Sat Jan 26 13:37:45 2019) Command finished (0 sec) > > > > > C:\Users\Francois Chartier>g.region -p3 > > projection: 1 (UTM) > > zone: 17 > > datum: nad83 > > ellipsoid: grs80 > > north: 4837000 > > south: 4833000 > > west: 628000 > > east: 632500 > > top: 115.00000000 > > bottom: 50.00000000 > > nsres: 10 > > nsres3: 10 > > ewres: 10 > > ewres3: 10 > > tbres: 1 > > rows: 400 > > rows3: 400 > > cols: 450 > > cols3: 450 > > depths: 65 > > cells: 180000 > > cells3: 11700000 > > > > C:\Users\Francois Chartier> > > > > Virus-free. www.avast.com > > _______________________________________________ > > grass-user mailing list > > [email protected] > > https://lists.osgeo.org/mailman/listinfo/grass-user >
_______________________________________________ grass-user mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/grass-user
