<div dir="ltr"><div><div><div><div><div><div><div><div><div><br></div>Hi all,<br><br></div>I'd like to put a boundary/centroid - into 3D with v.to.3d.<br><br></div>Command:  <b>v.to.3d --overwrite input=l_00004_buf_diss@Duna output=l_00004_buf_diss_3d height=110</b><br><br></div><b>I runs without major erro, however writes this:</b><br><br><font size="2"><b><span style="font-family:arial narrow,sans-serif">v.to.3d --overwrite input=l_00004_buf_diss@Duna output=l_00004_buf_diss_3d height=110<br>WARNING: Vector map <l_00004_buf_diss_3d> already exists and will be overwritten<br>Transforming features...<br>Copying attributes...<br>Building topology for vector map <l_00004_buf_diss_3d@Duna>...<br>Registering primitives...<br>One primitive registered<br>One vertex registered<br>Building areas...<br>0 areas built<br>0 isles built<br>Attaching islands...<br>Attaching centroids...<br>Number of nodes: 0<br>Number of primitives: 1<br>Number of points: 0<br>Number of lines: 0<br>Number of boundaries: 0<br>Number of centroids: 1<br>Number of areas: 0<br>Number of isles: 0<br>WARNING: Number of centroids exceeds number of areas: 1 > 0<br>WARNING: Number of centroids outside area: 1<br>Vertical extent of vector map <l_00004_buf_diss_3d>: B: 110.000000 T: 110.000000</span></b></font><br><br></div>the original vector map is this:<br><br><font size="1"><span style="font-family:monospace,monospace"> | Map format:      native                                                    |<br> |----------------------------------------------------------------------------|<br> |   Type of map: vector (level: 2)                                           |<br> |                                                                            |<br> |   Number of points:       0               Number of centroids:  1          |<br> |   Number of lines:        0               Number of boundaries: 198        |<br> |   Number of areas:        1               Number of islands:    1          |<br> |                                                                            |<br> |   Map is 3D:              No                                               |<br> |   Number of dblinks:      0                                                |<br> |                                                                            |<br></span></font><br><br></div>So, it seems that my area (boundaries) disappear during the conversion...<br><br></div>Topology is correct... what is the problem?<br><br></div><div>GRASS version info:<br><br>GRASS 7.0.3 (2016)<br><br><b><span style="font-family:arial narrow,sans-serif"> ./configure  --prefix=/opt/grass --with-freetype-includes=/usr/include/freetype2 --with-wxwidgets --with-readline --with-pthread --with-netcdf --with-nls --with-geos --with-postgres --with-liblas<br>libgis Revision: 67364 <br>libgis Date: 2015-12-24 16:07:44 +0100 (Thu, 24 Dec 2015) <br>PROJ.4: 4.9.2<br>GDAL/OGR: 2.0.2<br>GEOS: 3.5.0<br>SQLite: 3.12.1<br></span></b><br></div><div><br><br></div>Thanks<br></div>Robert<br><br><div><div><div><div><br></div></div></div></div></div>