<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Hi, <div><br></div><div>v.vol.rst starts working when npmin is 100 m or more. I dont believe that this algorythm only works with data points spaced by 100 m that does not make sense. is there a max total number for a dataset? is it because i have too few rows and columns?</div><div>see metadata below. i also showed a lower dmin of 0.9. g.region is printed at the end of the email</div><div><br></div><div><br></div><div><div> +----------------------------------------------------------------------------+</div><div> |<br></div><div> |----------------------------------------------------------------------------|</div><div> | |</div><div> | Type of Map: raster_3d Number of Categories: 0 |</div><div> | Data Type: FCELL |</div><div> | Rows: 90 |</div><div> | Columns: 85 |</div><div> | Depths: 2 |</div><div> | Total Cells: 15300 |</div><div> | Total size: 48229 Bytes |</div><div> | Number of tiles: 4 |</div><div> | Mean tile size: 12057 Bytes |</div><div> | Tile size in memory: 15480 Bytes |</div><div> | Number of tiles in x, y and z: 2, 2, 1 |</div><div> | Dimension of a tile in x, y, z: 43, 45, 2 |</div><div> | |</div><div> | Projection: UTM (zone 17) |</div><div> | N: 4870782 S: 4825713 Res: 500.76666667 |</div><div> | E: 651697 W: 609201 Res: 499.95294118 |</div><div> | T: 352 B: 0 Res: 176 |</div><div> | Range of data: min = -1.17721057 max = 89.22615051 |</div><div> | |</div><div> | Data Source: |</div><div> | |</div><div> | |</div><div> | |</div><div> | Data Description: |</div><div> | generated by v.vol.rst |</div><div> | |</div><div> | Comments: |</div><div> | v.vol.rst --overwrite input="geotechNov8@Toronto" wcolumn="dbl_2" te\ |</div><div> | nsion=40. smooth=0.1 segmax=50 npmin=200 npmax=700 dmin=100 wscale=1\ |</div><div> | .0 zscale=1.0 elevation="geotechnov8" |</div><div> | |</div><div> +----------------------------------------------------------------------------+</div><div>(Tue Nov 13 19:18:12 2018) Command finished (0 sec) </div></div><div><br></div><div><b style="background-color:rgb(255,255,0)">i have also tried with low dmin of 0.9 m:</b></div><div><div><br class="gmail-Apple-interchange-newline"><br></div><div><div>(Tue Nov 13 19:22:49 2018) </div><div>v.vol.rst --overwrite input=geotechNov8@Toronto wcolumn=dbl_2 npmin=60 npmax=100 dmin=0.9 elevation=geotechnov13</div><div>188692 records selected from table</div><div>WARNING: Some points outside of region -- will ignore...</div><div>ERROR: Points are too concentrated -- please increase DMIN</div><div>(Tue Nov 13 19:23:00 2018) Command finished (10 sec) </div></div></div><div><br></div><div><span style="background-color:rgb(255,255,0)">METADATA of Vector points</span></div><div><br></div><div><div>Thu Nov 08 06:06:56 2018 |</div><div> | Timestamp (first layer): none |</div><div> |----------------------------------------------------------------------------|</div><div> | Map format: native |</div><div> |----------------------------------------------------------------------------|</div><div> | Type of map: vector (level: 2) |</div><div> | |</div><div> | Number of points: 188692 Number of centroids: 0 |</div><div> | Number of lines: 0 Number of boundaries: 0 |</div><div> | Number of areas: 0 Number of islands: 0 |</div><div> | Number of faces: 0 Number of kernels: 0 |</div><div> | Number of volumes: 0 Number of holes: 0 |</div><div> | |</div><div> | Map is 3D: Yes |</div><div> | Number of dblinks: 1 |</div><div> | |</div><div> | Projection: UTM (zone 17) |</div><div> | |</div><div> | N: 4870782 S: 4825713 |</div><div> | E: 651697 W: 609201 |</div><div> | B: 0 T: 352 |</div><div> | |</div><div> | Digitization threshold: 0 |</div><div> | Comment: |</div><div> | |</div><div> +----------------------------------------------------------------------------+</div><div>(Tue Nov 13 19:25:30 2018) Command finished (0 sec) </div><div><br></div><div><span style="background-color:rgb(255,255,0)">g.region - p</span></div><div><br></div><div>projection: 1 (UTM)</div><div>zone: 17</div><div>datum: nad83</div><div>ellipsoid: grs80</div><div>north: 4862000</div><div>south: 4825700</div><div>west: 609200</div><div>east: 651700</div><div>nsres: 10</div><div>ewres: 10</div><div>rows: 3630</div><div>cols: 4250</div><div>cells: 15427500 </div></div></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr">Le ven. 9 nov. 2018 à 07:16, Francois Chartier <<a href="mailto:fra.chartier@gmail.com">fra.chartier@gmail.com</a>> a écrit :<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">does anybody know how to resolve this?</div><br><div class="gmail_quote"><div dir="ltr">On Thu, Nov 8, 2018, 06:23 Francois Chartier <<a href="mailto:fra.chartier@gmail.com" target="_blank">fra.chartier@gmail.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Hi, </div><div><br></div><div>I am trying to use V.VOL.RST to interpolate particle size for soil samples. i obtain the error message to increase DMin. unfortunately i have a data point every meter vertically and a total of 190K. if grass is asking to increase DMIN, which i have increased to 30 m to try to see if this was the pb, can I resolve this by reducing the Segment size?</div><div><br></div><div><b> COMMAND OUTPUT</b></div><div><div>(Thu Nov 08 06:17:32 2018) Command finished (10 sec) </div><div>(Thu Nov 08 06:20:40 2018) </div><div>v.vol.rst input=geotechNov8@Toronto wcolumn=dbl_2 npmin=50 npmax=200 dmin=30 elevation=Geotech3DNov8</div><div>188692 records selected from table</div><div>WARNING: Some points outside of region -- will ignore...</div><div>ERROR: Points are too concentrated -- please increase DMIN</div><div>(Thu Nov 08 06:20:51 2018) Command finished (10 sec) </div></div><div><br></div><div><b>METADATA</b></div><div><div>Thu Nov 08 06:11:32 2018) Command finished (0 sec) </div><div>(Thu Nov 08 06:19:17 2018) </div><div><a href="http://v.info" rel="noreferrer" target="_blank">v.info</a> map=geotechNov8@Toronto </div><div> +----------------------------------------------------------------------------+</div><div> | Name: geotechNov8 |</div><div> | Mapset: Toronto |</div><div> | Location: Toronto |</div><div> | Database: C:\Users\Francois Chartier\Documents\grassdata |</div><div> | Title: |</div><div> | Map scale: 1:1 |</div><div> | Name of creator: Francois Chartier |</div><div> | Organization: |</div><div> | Source date: Thu Nov 08 06:06:56 2018 |</div><div> | Timestamp (first layer): none |</div><div> |----------------------------------------------------------------------------|</div><div> | Map format: native |</div><div> |----------------------------------------------------------------------------|</div><div> | Type of map: vector (level: 2) |</div><div> | |</div><div> | Number of points: 188692 Number of centroids: 0 |</div><div> | Number of lines: 0 Number of boundaries: 0 |</div><div> | Number of areas: 0 Number of islands: 0 |</div><div> | Number of faces: 0 Number of kernels: 0 |</div><div> | Number of volumes: 0 Number of holes: 0 |</div><div> | |</div><div> | Map is 3D: Yes |</div><div> | Number of dblinks: 1 |</div><div> | |</div><div> | Projection: UTM (zone 17) |</div><div> | |</div><div> | N: 4870782 S: 4825713 |</div><div> | E: 651697 W: 609201 |</div><div> | B: 0 T: 352 |</div><div> | |</div><div> | Digitization threshold: 0 |</div><div> | Comment: |</div><div> | |</div><div> +----------------------------------------------------------------------------+</div><div>(Thu Nov 08 06:19:18 2018) Command finished (0 sec) </div></div><div><br></div></div></div></div></div></div>
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