COMPILING: copy the local.properties.template to local.properties and modify for your system. now type ant should have a successful bild RUNNING: Before running note that if you are on the MAC you have linked to frameworks not in the standard location such as /Library/Frameworks or ~/Library/Frameworks, then you must set the DYLD_FRAMEWORK_PATH to point to that location. For example: let's say that ossim home is located in /my/path/ossim and you linked to an ossim.framework located in the xcode Deploy build location, then: export DYLD_FRAMEWORK_PATH=/my/path/ossim/xcode/ossim/build/Deploy before you run any of the sample applications. For desciption of the env variable can be found if you do a : man 1 dyld There are a couple of ways to run the example apps under bin/apps: 1. In the base dir of the project: To run ImageViewerFrame: java -cp bin/ apps.ImageViewerFrame /Library/WebServer/Documents/ajaxmaps/earth.tif 2. Or if you want to package it up so you can run outside the project dir, use ant: run 'ant dist' to package then just include jar on classpath and wrappers on library path: java -cp dist/jossim.jar -Djava.library.path=dist/ apps.ImageViewerFrame