<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">On Feb 14, 2017, at 3:43 AM, Moritz Lennert <<a href="mailto:mlennert@club.worldonline.be" class="">mlennert@club.worldonline.be</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">On 13/02/17 20:27, Anna Petrášová wrote:<br class=""><blockquote type="cite" class="">On Mon, Feb 13, 2017 at 11:07 AM, Stuart Edwards <<a href="mailto:sedwards2@cinci.rr.com" class="">sedwards2@cinci.rr.com</a>> wrote:<br class=""><blockquote type="cite" class=""><br class="">Anna<br class=""><br class="">I now have a working vector file that displays correctly and can be queried with normal results. However after much trial and error I am still unable to access the elevation data in other modules (e.g. v.to.rast). There is always a requirement to specify the attribute - and as you can see, the geotmetric data are not attributes and do not show up in the menu of attributes. Here's the output from a query that may help visualize the problem:<br class=""><br class="">east, north: -79.7630759471, 39.0874586371<br class="">DBT@corH:<br class=""> Type: Line<br class=""> Id: 885<br class=""> Length: 275.746<br class=""> Line_height: 698.602997<br class=""> Layer: 1<br class=""> Category: 885<br class=""> Driver: sqlite<br class=""> Database: /Users/sesMacBook/grassdata/KML/corH/sqlite/sqlite.db<br class=""> Table: DBT<br class=""> Key_column: cat<br class=""> Attributes:<br class=""> cat: 885<br class=""> cat_: 885<br class=""> tessellate: -1<br class=""> extrude: -1<br class=""> visibility: -1<br class=""><br class="">What I need is the Line_height value, which is not an 'attribute' - neither is it 'z'<br class=""><br class="">I tried exporting the file as a shape file and reimporting it - same result. Then as a GRASS ascii - no file created - and ran out of ideas. Is there a way to add Line_height as an attribute?<br class=""><br class="">Any help appreciated...<br class=""></blockquote><br class="">I would try v.to.db with option start, then v.to.3d<br class=""></blockquote><br class="">It would probably be nice, and IMHO not too complicated, to add line height as an option to v.to.db. Stuart, I invite you to post an enhancement request on the trac [1] for that.<br class=""><br class="">Moritz<br class=""><br class="">[1] <a href="https://trac.osgeo.org/grass/" class="">https://trac.osgeo.org/grass/</a><br class=""></div></blockquote><br class=""></div><div class="">..... that would be very cool. Done.</div><br class=""></body></html>