Interpretation

 

LIME has in-built interpretation and digitisation tools for measuring distances and orientations, creating lines and planes and placing points of interest. Combined with Panels, these are the building blocks of a marked-up virtual environment in LIME.

 

Lines

Lines are easily created and edited by digitising points on a 3D model. Organise your lines with colour, names and folders to structure your project (have you tried to revisit an old interpretation you have made, or a project you have received from someone else, where organisation and naming is not obvious?!). Lines can be closed to create polygons, and it is possible to snap to other 3D elements to share vertices and topology.

Digitising, mapping, interpretation

Outcrop model from the Book Cliffs, Utah, showing interpretation lines and digital surfaces representing key stratigraphic layers.

 

Orientation planes

Orientation measurements can be made directly on a loaded 3D model. Planes can be represented as ellipses or rectangles, and coloured according to orientation (dip, dip direction and strike in structural geology, slope/aspect in GIS terminology­čśâ). Transparency is changed using the display settings of the planes. The plane data can be exported to a simple ASCII file for analysis in external spreadsheet or stereonet software. 

Orientation measurement using planes

Orientation measurements made on outcrops around Arches road cut, Utah, USA (model from V3Geo).

 

Points

Points can be added to denote areas of interest, sampling or measurement points, origin of specimens, or simply labelling features in the 3D scene. In addition, Points can be combined with icons to indicate supplementary information or data available at a particular location in the 3D scene. Add file links to Points to display images, videos and PDF files.

Points are used to mark areas in the 3D scene and link to supplementary files.

Mark-up of the Ainsa Quarry, northern Spain, showing some of the uses of Points.

 

© Virtual Outcrop Geology Group, NORCE Norwegian Research Centre, Bergen, Norway

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