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AN AUTOMATED GRASS-BASED PROCEDURE TO ASSESS THE GEOMETRICAL ACCURACY OF THE OPENSTREETMAP PARIS ROAD NETWORK
Accuracy FOSS4G GRASS Open data OpenStreetMap Road network Volunteered Geographic Information
2016/11/24
OpenStreetMap (OSM) is the largest spatial database of the world. One of the most frequently occurring geospatial elements within this database is the road network, whose quality is crucial for applic...
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 ...