OpenJUMP – open source Geographic Information System

OpenJUMP is an open source Geographic Information System (GIS) written in the Java programming language. It’s the unified mapping platform.

The software is released under an open source license.

OpenJUMP is a “fork” of the JUMP “Java Unified Mapping Platform” software, developed by Vividsolutions and released in 2003.

Features include:

  • Vector GIS (that can read rasters as well).
  • Provides open API & PlugIn system, scripting via BeanShell and Java Python.
  • Edit, save, analyze, conflate and display your GIS data.
  • Strives to handle empty geometries well.
  • Elaborate shortcuts, undo/redo.
  • Vector formats:
    • read DXF*, JML, GeoJSON, GML, SHP.
    • write DXF*, JML, GeoJSON, GML, SHP, SVG*.
  • Raster format read support:
    • Georeferencing per world file or GeoTIFF.
    • ECW & JPEG2000 (with 32bit Java on Windows, Linux, MacOSX) incl. in Plus.
    • MrSID (with oracle jre on Windows, Linux).
  • Raster format write support:
    • JPG, PNG
  • Database access:
    • Read PostGIS, ArcSDE, Oracle, MySQL, SpatialLite.
    • Write PostGIS.
  • Archives and compressed files:
    • Read known data formats from zip, tar, tar.gz, tar.bz2 archives or gz, bz2 compressed files.
  • Supports OGC standards WMS & WFS (-T), GML 2, SLD, SFS.
  • Topology tools: line noder, polygonizer, planar graph,…
  • Raster analysis via SEXTANTE connector.
  • Attribute transfer tools (1:1 transfer, or n:1 transfer).
  • Calculating length, area, centroid, buffer, convex hull,…
  • Spatial and attribute query functions.
  • Rotating, scaling, auto-complete polygon, cut, merge, simplify polygons and lines.
  • Warping, quality assurance tools.
  • Map generalization functions.
  • Sophisticated print out capability.
  • Internationalization support – translations are available for Chinese, Czech, Finnish, French, German, Hungarian, Italian, Japanese, Malayalam, Portuguese (Brazilian), Spanish, Tamil, and Telugu.

Support: Mailing List
Developer: Jump Pilot Project Team
License: GNU General Public License version 2 (GPLv2)


OpenJUMP is written in Java. Learn Java with our recommended free books and free tutorials.

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