Developer Documentation and HowTo

Basics

• Eclipse: Set up OpenJUMP as a Maven project from git sources
• Creating an OJ release version
• java API docs are available for
  • stable releasesalongside the distribution downloads
  • latest snapshot online https://oj.soldin.de/apidocs/
• OpenJUMP programming Guideline

Making Your Own Plugins

PlugInContext diagram

• The difference of PlugIn and Extension and Registry
• How to use and make own Plugins
• How to use a plugin with a properties file in ECLIPSE

• Example PlugIns:
  • How to display customer xyz data from a file
  • Example Plugin For Buffering Features in a Layer
  • How to Access and Display Attributes of Selected Features
  • Example Plugin For Accessing Sextante Algorithms
  • How to load a Sextante raster layer and read its cell values

FeatureModel diagram

• How to use i18n Internationalization
• How to load data from a Shape File directly
• Implementing Undo
• Displaying Debug Messages
• Adding A Toolbar Button
• Implementing cursortools
• Converting a CursorTool to a PlugIn
• Extending a FeatureCollection by Adding new Attributes
• Drawing an on-screen ornament
• OpenJUMP with Wallpaper

Notes:

• Tips and Tricks around the Java Topology Suite
• Notes On OpenJUMP's Rendering System
• Notes on Speed Improvements on Rendering
• Notes on TaskFrames
• Notes on the Display of AttributeTables
• Using JUMP Libraries in an External Application
• A method/class diagram for the PlugInContext (click on the image to the right)
• Looking for Icons? then check out: http://projects.opengeo.org/geosilk

Adding support for new data formats

• How to write a new driver (Spring 2007)
• How to Create an Open Wizard (Since OpenJUMP Version 1.2)
• Some additional notes on adding support for a new file format: File DataSource Notes
• Working with GML

Scripting and Customization

• Scripting with BeanShell
• Using Jython

Other

• How to translate OpenJUMP into another language