LIS GeoTec Plugin RiSCAN PRO – Surface Extraction and Analysis The LIS GeoTec software tool is a RiSCAN PRO Plugin for geotechnical analysis of scanned rock surfaces. It facilitates the calculation of surface normals for a local neighborhood. These surface normals are further analyzed to detect clusters of pre-dominant surface orientations, which are used for data classification and visualization on a polarplot diagram. DETAILED ANALYSIS GEOLOGY

Geotechnical Analysis Surface Normals Surface normals are extracted with respect to a local neighborhood. For every measured point a user defined number of neighboring points is analyzed to calculate a best fit plane. The surface normal of the plane represents the point surface normal. All further analysis is based on the point surface normal attribute. Analysis Visualization Dip and dip direction angles are calculated with respect to a given coordinate reference system. Dip is the vertical angle of the surface with a horizontal intersecting plane. Dip direction is the angle of the horizontal...