Five minutes lightening talk at FOSS4G 2006, Lausanne: http://2006.foss4g.org/

1. Growing GRASS
Lightening talk
Markus Neteler
on behalf of the GRASS Community
http://grass.itc.it
1

2. GRASS 1984 - today...
GRASS GIS Open Source Geospatial Foundation

3. 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
GRASS GIS Open Source Geospatial Foundation

4. GRASS: THINK GRAPHICAL USER
INTERFACE
gis.m: powerful tcltk GUI,
to be ported to wxPython
Quantum GIS: popular,
user friendly GIS
viewer with GRASS
plugin
JGRASS: Java based
framework for GRASS,
focus on hydrologic
applications
GRASS GIS Open Source Geospatial Foundation

5. Analysis and visualization
Visualization of flooding
potential taking into
account the height of
the buildings (GRASS6,
2006)
Analysis of solar conditions in urban environment
(GRASS6, 2006)
GRASS GIS Open Source Geospatial Foundation

6. CONNECTING TO THE WORLD
Portability, interoperability
Geostatistics View
Predictive R-stats Interact
modeling Teach
raster Spatial
External
data GDAL/OGR GRASS Analysis
vector
Modeling
Database MySQL
engine:
Tables, PostgreSQL
attributes SQLite Paraview Visualize
DBF
GRASS GIS Open Source Geospatial Foundation

7. PROCESSING OF LIDAR DATA
M. Brovelli and R. Antolín
H. Mitasova
Lidar First pulse
Last pulse Digital Situation
Model (DSM)
Digital Terrain
Model (DTM)
Processing 500 Million points....
GRASS GIS Open Source Geospatial Foundation

8. GRASS: THINK YOUR FRIENDLY
GIS Backbone
Growing SWIG/Python interface
Internet
MapServer SWIG/Python
Spatial
GDAL/OGR GRASS Analysis
Modeling
MySQL
GeoTIFF, PostgreSQL/
IMG, ... PostGIS
SHAPE, ...
GRASS GIS
SQLite Open Source Geospatial Foundation

9. GRASS GOES WEB: PyWPS
MapServer using
network analysis
tools from GRASS
MapServer linked to
GRASS GIS GRASS through Python
Open Source Geospatial Foundation
http://www.bnhelp.cz/mapserv/wpsdemo/

10. GRASS: 3D MODELING AND
VISUALIZATION
Buildings: extruded Trees: generated
from 2D (v.extrude) with v.tree3d
Wells: extruded 2D Flow traces:
circles (v.extrude) Groundwater flow as
voxels with 3D
algebra (r3.mapcalc)
Paraview drawing
by Sören Gebbert Visualization: Paraview via
GRASS GIS
VTK export (r.|v.|r3.out.vtk) Geospatial Foundation
Open Source

11. Brought to you by
GRASS Development Team
&
The GRASS Community
Check it out at
http://grass.itc.it
http://grass.osgeo.org
GRASS GIS Open Source Geospatial Foundation