GRASS GIS lightening talk at FOSS4G 2006

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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