Embed Size (px)
DESCRIPTION
Five minutes lightening talk at FOSS4G 2006, Lausanne: http://2006.foss4g.org/
Citation preview
1
Growing GRASS
Lightening talk
Markus Neteleron behalf of the GRASS Communityhttp://grass.itc.it
Open Source Geospatial FoundationGRASS GIS
GRASS 1984 - today...
Open Source Geospatial FoundationGRASS GIS
GRASS: Development of Algorithms
Visualization for development of particle sampling method for solving sediment flow continuity equation (GRASS4.2
1996): impact of number of particles on accuracy
Open Source Geospatial FoundationGRASS GIS
GRASS: THINK GRAPHICAL USER INTERFACE
Quantum GIS: popular, user friendly GIS viewer with GRASS plugin
JGRASS: Java based framework for GRASS, focus on hydrologic applications
gis.m: powerful tcltk GUI,to be ported to wxPython
Open Source Geospatial FoundationGRASS GIS
Analysis and visualization
Analysis of solar conditions in urban environment (GRASS6, 2006)
Visualization of flooding potential taking into account the height of
the buildings (GRASS6, 2006)
Open Source Geospatial FoundationGRASS GIS
CONNECTING TO THE WORLD
GRASS
R-stats
GDAL/OGR
Paraview
Portability, interoperability
MySQLPostgreSQL
SQLiteDBF
Geostatistics Predictive modeling
raster
vector
View InteractTeach
Visualize
External data
Databaseengine:Tables,
attributes
SpatialAnalysisModeling
Open Source Geospatial FoundationGRASS GIS
PROCESSING OF LIDAR DATAM. Brovelli and R. AntolínH. Mitasova
Lidar First pulse Last pulse Digital Situation
Model (DSM)
Digital TerrainModel (DTM)
Processing 500 Million points....
Open Source Geospatial FoundationGRASS GIS
GRASS: THINK YOUR FRIENDLYGIS Backbone
Growing SWIG/Python interface
SpatialAnalysisModeling
Internet
GDAL/OGR GRASS
SWIG/PythonMapServer
GeoTIFF,IMG, ...SHAPE, ...
MySQLPostgreSQL/
PostGISSQLite
Open Source Geospatial FoundationGRASS GIS
GRASS GOES WEB: PyWPS
http://www.bnhelp.cz/mapserv/wpsdemo/
MapServer linked to GRASS through Python
MapServer usingnetwork analysistools from GRASS
Open Source Geospatial FoundationGRASS GIS
GRASS: 3D MODELING AND VISUALIZATIONBuildings: extruded from 2D (v.extrude)
Trees: generatedwith v.tree3d
Flow traces: Groundwater flow as
voxels with 3D algebra (r3.mapcalc)
Wells: extruded 2Dcircles (v.extrude)
Visualization: Paraview viaVTK export (r.|v.|r3.out.vtk)
Paraview drawingby Sören Gebbert
Open Source Geospatial FoundationGRASS GIS
Brought to you byGRASS Development Team&The GRASS Community
Check it out at
http://grass.itc.ithttp://grass.osgeo.org
