1. JGrass a GIS system which copes with hydrology and geomorhology
Andrea Antonello (1), Silvia Franceschi (2) and Riccardo Rigon (3)
(1) HydroloGIS, Environmental Egineer, Bolzano, Italy (andrea.antonelloi@gmail.com), (2) HydroloGIS, Environmental Egineer, Bolzano, Italy (silvia.franceschi@gmail.com), (3) Department of Civil and Environmental Engineering - Trento (Italy) (riccardo.rigon@ing.unitn.it)
JGrass 3.0 The structure of framework Netcdf Models
http://www.unidata.ucar.edu/software/netcdf/
JGrass is friendly to modelers since it implements tools NetCDF (Network Common Data Form) is a set of Geotop
for which each model can be integrated as a software libraries and self-describing, machine- http://www.geotop.org
JGrass is an Open Source GIS developed by CUDAM
(University of Trento) and Hydrologis (www.jgrass.org). “component”. independent data formats that support the creation, Geotop is a distributed hydrological model, which
It is a multiplatform GIS and is based on the uDig (User access, and sharing of array-oriented scientific data. integrates water and energy budget for any point in
friendly Desktop Internet GIS) and Grass engine. The project is primarly driven by the Unidata program at complex terrain.
It can work on vector or raster map, it’s ready to connect the University Corporation for Atmospheric Research
to an external database (oracle, mysql,..), indeed It (UCAR). 1. 3D topography 5. soil energy balance
inherits all the features of uDig, and exploit the - distributed model - soil temperature
- sky view factor, self and cast
- freezing soil
c a p a b i l i t i e s o f t h e m o s t r e c e n t G e o To o l s shadowing, slope, aspect, drainage
(www.geotools.org). 2. Water balance 6. vegetation
- effective rainfall
- surface flow - multi-layer vegetation scheme
- subsurface flow - evapotranspiration
3. surface
Modelling by components makes easy to understand - radiation
and maintain code, and simplify the interaction between - boundary-layer interaction
modelers. libraries of components can be reused 4. Snow-glaciers
without rewriting the whole code. - multilayer snow scheme
- glacier mass balance
A screenshot of a basic view of uDig/JGrass.
Eclipse Endrizzi et al., 2010
It include a console where run groovy scripts (and have Geotools
The architecture (from John Caron, Unidata/UCAR, July 2009,
SQL, GRASS, JGRASS, OpenMI and OMS support). uDig www.unidata.ucar.edu/projects/THREDDS/tech/tutorial/TDSOverview.ppt )
PostGIS JGrass 3 NewAge
J-Console GIS engine NetCDF is supported for map visualization up to 4D.
2D is handled as as normal raster map, 3D and 4D add
OpenMI UIBuilder support for depth and time levels.
Web The HM It is a set of model OpenMI components, which were
An example of the use of the JGrass console. Both the remote (opendap) and local dataset handling are
services H2 developed by CUDAM and Hydrologis, with the River
supported.
It contains several tools which allow to manipulated dem, Models Adige basin Authority.
Ramadda NetCDF is the key to treat in a GIS three-dimensional
extract network feature, make statistic, estimate basin The components linked together results in a
GEOtop time-vavyng data, as requested by the inputs and outputs
attributes and doing hydro-geomorphologic analysis. GRASS comprehensive model of the river Adige (12000 square
BeeGIS of hydrological models.
(http://code.google.com/p/jgrasstools/wiki/ GeoPaparazzi kilometers) catchment hydrology, which include besides
current viewport
HortonMachine) boundaries to copy/paste rainfall-runoff modelling, snow, evapotraspiration,
The complete framework.
humans works, reservoirs, intake, explicit channel routing
We use with 1-D de Saint Venant equation.
quick setting of
mapscales
BeeGIS OpenMi setting of timestamp of
http://www.beegis.org/ http://www.openmi.org/reloaded/ the layer if supported
The models contained in JGrass are currently
BeeGIS is a JGrass companion, an application developed implemented the OpenMi 1.4 standard.
to be used by geologists on field surveys, but can serve setting of vertical
coordinate of the layer if
any other in works requiring a simple-yet-powerful However we are also implementing
software for registering geographical data on the field.
Once annotated the information are seamlessy imported OMS 3
in JGrass. http://www.javaforge.com/project/omslib
The navigation view A window with the output of one of a model of NewAge.
In the next feature the models are going to switch to the
OMS3 standard. The most important advantages are: Inside JGrass NetCDF module it’s possible display the
 Shorter coding. point variables in data viewer as varying in time and
 Components always execute multi-threaded. with depth.
 Integration with JNA. JGrass community
 Access to hundreds of compatible components. www.jgrass.org
Products
JGrass is a Free Software GIS which has been developed by Hydrologis
and CUDAM since the year 2003. The original community however is
Development seeking for creating around JGrass an ecosystem of co-developers and
An example of the BeeGIS features (geonote). Tools users. In fact from the beginning JGrass was designed to serve the
community, looking at a better interface for GRASS, and already made a
geopaparazzi OM
further step in this direction joining the udig community. Beegis is a new
Knowledge cooperation between Hydrologis and the University of Urbino, that can
http://www.geopaparazzi.eu/ Base serve as an example for other Institutions and people.
It is a BeeGIS companion which allows an Android
phone to do digital field mapping. It can be used with Resources
Acknowledgments
BeeGIS to integrate the geonotes with registered and Modeling by components with OMS The authors thank Daniele Andreis for helping in producing this poster.
oriented pictures. The NetCDF Data viewer