The upcoming GRASS GIS 6.4.0 release
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The upcoming GRASS GIS 6.4.0 release

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GRASS 6.4.0, the new stable release after more than one year of development and testing, brings a number of exciting enhancements to the GIS. Besides the hundreds of new module features, supported ...

GRASS 6.4.0, the new stable release after more than one year of development and testing, brings a number of exciting enhancements to the GIS. Besides the hundreds of new module features, supported data formats, and language translations, GRASS 6.3 brings a number of exciting enhancements to the GIS. A prototype of the new wxPython user interface is debuted, and for the first time since its inception with a port from the VAX 11/780 in 1983, GRASS will run on a non-UNIX based platform: MS-Windows. This is currently still in an experimental state and we hope that widespread testing of 6.3.0 will mean the 6.4 release of WinGRASS will be fully functional and robust. Existing UNIX and Mac users will be happy to know that these new features do not disrupt the base GIS which remains as solid as ever and fully backwards compatible with earlier GRASS 6.0 and GRASS 6.2 releases.

Several infrastructure changes accompany this release with the project becoming a founding member of the Open Source Geospatial Foundation (OSGeo). This includes a new home for the website, the Wiki help system, source code repository, community add-on module repository, integrated bug tracking system, and formal membership for the project in a non-profit legal entity. We hope that these changes will guarantee that the GRASS community will be well supported and vibrant well into the future.

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  • Over the past decade free and open source software (FOSS) has moved into mainstreem and its growth includes a wide range of geospatial software tools. The presentation will briefly describe the principles of FOSS and provide an overview of major FOSS projects that support management, processing, analysis, visualization and on-line distribution of georeferenced data. Interoperability between the different tools enabled by the FOSS concept will be highlighted using examples of applications that combine software developed by several projects, such as GRASS, Mapserver, GDAL, PROJ, R-stats, PostGIS, paraview and others. Special focus will be given to the recent new developments in Geographic Resources Analysis Support System (GRASS, http://grass.itc.it ). Since its original design as a land management tool for military installationsthe system has evolved into one of the most comprehensive, general purpose GIS and support for environmental modeling has been an integral part of its development. Overview of the GRASS6 capabilities relevant to environmental modeling will be provided, including tools for working with 2D and 3D raster data, the completely redesigned topological 2D/3D vector engine, vector network analysis and SQL-based attribute management. Various graphical user interfaces, such as QGIS and JAVAGRASS, that are being used with GRASS will be introduced and enhancements to 3D dynamic visualization will be presented. Environmental modeling will be illustrated by examples in the area of coastal management and sediment pollution control using the latest lidar data and new or updated GRASS6 modules. The talk will conclude with discussion of visions for the future of FOSS geospatial modeling.

The upcoming GRASS GIS 6.4.0 release The upcoming GRASS GIS 6.4.0 release Presentation Transcript

  • GRASS GIS 6.4.0 Marku s Neteler & GRASS Development Team Fondazione Mach – Centro Ricerca e Innovazione Cagliari, 26-27 February 2009 GRASS GIS
  • GRASS: 25 years of GFOSS 1987 USA (GRASS 2.0, no Web!) 1995 USA 1997, Univ. of Hannover, Germany 1999 Baylor Univ., USA 2002 ITC-irst Trento + Baylor ITC-irst 2002 Today...
  • GRASS: command line and graphical user interfaces 1982.. .. 1995 2007.. … today
  • GRASS6 spatial data types 2D raster and imagery 2D/3D topological vector 3D raster (voxels)
  • GRASS6 functionality I
    • fully integrated 350+ modules
    • add-ons managed on Wiki + SVN
    • raster: 2D/3D map algebra, DEM analysis, flowtracing, buffers, neighbourhood analysis, solar, cost surfaces, covariance,
    • image : rectification, multispectral, radiometric correction, principal and canonical component analysis, reclassification
    • visualization : 2D display, 3D interactive visualization
  • GRASS6 functionality II
    • Vector : buffers, overlays, conversions, networks, linear referencing system, digitizing, topology, triangulation, voronoi polygons
    • DBMS : attribute management with SQL
    • Transformations : projections, raster-vector conversions, interpolation/approximation
    Web Services
    • WMS support with r.in.wms
    • WFS support with v.in.wfs
    • KML/KMZ - Google Earth through v.out.ogr and r.out.gmap (in add-ons)
    GRASS GIS Open Source Geospatial Foundation
  • Connecting the OSGeo stack Spatial Analysis Modeling Portability, interoperability GRASS View Interact Teach Geostatistics Predictive modeling Database engine: Tables, attributes DBF vector raster External data Visualize Web Processing Service
  • GRASS 6.4.0 News New modules
    • NVIZ for wxPython: new
    • r.external : link raster maps instead of import
    • v.colors : new, easy vector color tables
    • v.out.gpsbabel : new, export to GPS
    • and even more...
    d.split.frame, r.colors.stddev, r.grow.distance, v.to.3d
  • GRASS 6.4.0 News Modules improvements Rewritten for fast!...
    • g.mlist, g.mremove: scripts rewritten as faster C version
    • r.cost : 50x faster
    • r.watershed : time consumption reduced from n to log(n)
    • r.horizon (new) + r.sun (rewritten): faster, improved Improved...
    • v.out.ascii : attribute export added
    • v.out.gpsbabel : new, export to GPS
    • v.buffer, v.delaunay, v.parallel: rewritten (Google SoC 2008 projects)
    • wxPython digitizer : Undo function added
    • wxPython GUI : MS-Windows portable
    Additionally: > 230 bug tickets fixed R-GRASS-Interface: now fast data exchange
  • Open Source Geospatial Foundation – OSGeo www.osgeo.org Mission: To support the development of open source geospatial software and promote its widespread use. Founding projects (constituted in February 2006): GDAL/OGR, GeoTools, GRASS GIS, Mapbender, MapBuilder, MapGuide Open Source (Autodesk), MapServer, OSSIM Since Feb 2008: GRASS (and others) are official members Motivation: More that 200 GFOSS projects worldwide... … need for selection and organization: User oriented! Italian OSGeo Chapter: www.gfoss.it
  • New OSGeo4W Installer
  • www.mappinghacks.com http://wiki.osgeo.org/wiki/Library FOSS4G bookshelf www.spatialguru.com www.grassbooks.org
  • GRASS: Ongoing and future plans http://grass.osgeo.org GRASS 6.4.0: almost completed (currently release candidates) with stable native winGRASS and new Python based GUI GRASS 7 (ideas, partially started):
    • Major rewrite of raster data management
    • Addition SQL-based time series support
    • New CAIRO based display system
    • Further modernization of the code
    • Built-in extension (Addons) management tool
    Completed Italian translation ;-) Thanks for your attention!