New answers tagged 3d
This is a process that takes several stages. 1) You need to turn the coordinates into shapes. Any good GIS can do this; in the case of QGIS just add the data using the "Add delimited data". Tutorial: http://maps.cga.harvard.edu/qgis/wkshop/import_csv.php 2) Then you need to turn it into a 3d model. This is more problematic. QGIS has poor/no real 3D ...
It seems these guys did the job : MaxSea 3DDB.ptz xyz export
For getting DSM or a DTM some countrys have thier own DSM for free, for example in Spain is this page www.cnig.es, and you can download for free the DSM and DTM but only for Spain. Search if your country have similar system.
I have done this using a DXF to CSV converter which gave me points with XYZ which I was able to build tins from in paraview or interpolate from in QGIS
Assuming that its photo quality is adequate for the job, your cell phone has all the sensor hardware you need.
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