A related route I’ve been looking at is working in 3D in a Postgresql/PostGIS 
system and generating the views to support what QGIS needs to work with.  This 
is part of a bigger geological data management system we are building.

John Harrop
VP Exploration
International Lithium Corp

> On Sep 13, 2016, at 7:25 AM, John Layt <jl...@kde.org> wrote:
> 
> On 12 September 2016 at 14:49, Lester Anderson <arctica1...@gmail.com> wrote:
> 
>> I was wondering if anyone had advice or ideas about digitising profile
>> data (say on a geological cross-section) that is referenced to a
>> polyline in the project,
> 
> This is something we've been working on for archaeological use cases.
> At the moment we digitise our sections using false coordinates, then
> use composer to show both the plan and section views. We cheat by
> storing the 2D plan coordinates in real space so they show up in
> spatial queries and can be visualised by setting a buffer around them,
> but they're not really linked in a data or ui sense.
> 
> Longer term, I have a cunning plan to start using the new-ish 3D
> geometry engine to store the sections in 3D so they can live in the
> same shapefiles and so be properly queried, and by clicking on the
> section line in plan view a pop-up window shows the section by
> flipping the y and z coordinates on the fly. Unfortunately it's on a
> very long list of such ideas...
> 
> There's also a plugin called Midvatten which does borehole data which
> may have some ideas you could borrow.
> 
> John.
> _______________________________________________
> Qgis-user mailing list
> Qgis-user@lists.osgeo.org
> List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user

_______________________________________________
Qgis-user mailing list
Qgis-user@lists.osgeo.org
List info: http://lists.osgeo.org/mailman/listinfo/qgis-user
Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-user

Reply via email to