--- /dev/null
+src/com/infomatiq/jsi/ contains the Java Spatial Index (JSI) library (http://jsi.sourceforge.net/).\r
+The library is under LGPL license. Log4j dependency has been removed from class RTree to prevent\r
+a dependency on it.\r
+\r
+src/gnu/trove/ gathers only the necessary parts of GNU Trove 2.1.0 required by\r
+com.infomatiq.jsi and org.simantics.scenegraph.g2d.nodes.spatial packages to\r
+keep the size of the org.simantics.scenegraph plug-in and its dependencies down\r
+to a minimum.\r