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I'm very new to QGIS, I have started using it as my new company is not willing to pay for ArcGIS and Target at this stage so I'm hoping QGIS can substitute not just in the interim but for good.

What I am looking for is a way to load in my borehole database and create 3d visualizations of the data, make cross sections and if possible model seams. Is there any capability within the QGIS world to undertake this kind of work?

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Currently QGIS lacks decent 3D support (its a work in progress). But there are other Open Source tools you can use, even if they're not quite as user friendly. Gene's answer offers an excellent example of one possible solution. – GIS-Jonathan Nov 21 '12 at 13:00

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Yes, it is possible but using a Python script in the console see For geologists: 3D geological boreholes

3D surfaces in QGIS boreholes in QGIS

I presented the scripts in visualizing 3D data (Z values) or data with z attribute: a solution 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 in French and QGIS, visualización 3D de capas vectoriales con Python in Spanish.

More generally I use GRASS GIS to do, see Automatic 3D geological boreholes representation (automate v.extrude from a table ?): my solution in Python and 3D geological volume modeling (raster 3D): is it really possible ?

boreholes boreholes

layer one layer one

layer 2 layer two

with interpolated surfaces and cross sections: enter image description here

or

enter image description here

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I don't see how this was done in QGIS. – Willy Nov 21 '12 at 12:38
??? -> in the references cited about QGIS, I explain how to do it in the QGIS Python console with the Python modules Matplotlib and Visvis – gene Nov 21 '12 at 16:09
OK, I have put more effort in, I have translated the other pages. Thankyou. – Willy Nov 22 '12 at 19:43

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