Hello,
Torsten Lange claviota:
Hi,
I need to georeference some geological cross sections
Ah, sounds familiar!
to load them into a 3D modeling software, which uses a simple, unprojected, orthogonal coordinate system. But I always have to define a specific projection, which at least in one case distort the map too strong.
? Strange. Are your cross-sections vertical? Usually, for such sections,
you specify x,y,z for each corner, and there should not be any great
distortion. Unless some mistakes are made while typing numbers, of
course. Which modeling software are you using?
Is there a any chance in QGis?
I'm afraid not. Qgis only works (so far!...) on the surface of the
Earth, it is a GIS, not a 3D modelling software.
However, one dream I have is to make an extension of qgis for us
geologists, to work with underground data also!
Doing cross-sections from a database on one side and a GIS on the other
would be very helpful.
Does anyone know if there is already such a project around? Any
volunteer to start something?...
I currently use QGis 1.4.
Thank you, Torsten
A+
Pierre
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