[Qgis-user] create 3d shapefile and/or GPX

[gene]

Yes, in the Python console using other Python modules like Shapely but it is
even easier to do it directly in Python without QGIS:

*In the Python console of QGIS*
see  QGIS, visualización 3D de capas vectoriales con Python
<http://geotux.tuxfamily.org/index.php/en/geo-blogs/item/315-qgis-visualizacion-3d-de-capas-vectoriales-con-python>  
(in Spanish) or  QGIS, représentation 3D des couches vectorielles
(shapefiles dits 3D ou shapefiles avec attributs z) avec les modules Python
Matplotlib ou Visvis à partir de la console Python
<http://www.portailsig.org/content/qgis-representation-3d-des-couches-vectorielles-shapefiles-dits-3d-ou-shapefiles-avec-attrib>  
(in French) or  Is there are QGIS plugin to allow the 3d visualisation of
geological borehole data similar to the functionality of Target for ArcGIS?
<http://gis.stackexchange.com/questions/41701/is-there-are-qgis-plugin-to-allow-the-3d-visualisation-of-geological-borehole-da/41719#41719>  

it shows how to read 3D Shapefiles or taking the z coordinate from a column
in the table. Create a 3D shapefile is just as easy.

*Directly in Python*
With modules like Shapely, ogr or Pyshp, see for example 
http://code.google.com/p/pyshp/wiki/CreateElevationValues
<http://code.google.com/p/pyshp/wiki/CreateElevationValues>  . 

You can even take the z values ​​from a DEM (see 
http://www.portailsig.org/content/python-utilisation-des-couches-vectorielles-et-matricielles-dans-une-perspective-geologique-
<http://www.portailsig.org/content/python-utilisation-des-couches-vectorielles-et-matricielles-dans-une-perspective-geologique-> 
, in French)

Python can do everything ....



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