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PROCESSING UAV AND LIDAR POINT CLOUDS IN GRASS GIS
3D rasters decimation sampling binning LAS PDAL PCL Kinect
2016/11/24
Today’s methods of acquiring Earth surface data, namely lidar and unmanned aerial vehicle (UAV) imagery, non-selectively collect or generate large amounts of points. Point clouds from different source...
Combining Mars Data in Grass Gis for Geological Mapping
Extra-terrestrial Planetary Exploration
2015/7/8
Geo Information Systems (GIS) are standard tools in the Earth sciences whenever different geographic data sets must be combined.
GIS became increasingly popular in the field of planetary research as ...
THE CONTRIBUTION OF GIS IN FLOOD MAPPING: TWO APPROACHES USING OPEN SOURCE GRASS GIS SOFTWARE
Spatial Information Sciences Hazards DEM/DTM Disaster Open Systems
2014/4/24
The first step of a risk assessment analysis is the evaluation of flood-prone areas. Its importance is considered for both managing and
planning emergency activities, such as hydraulic risk reductio...