HeiankyoView by Takayuki Itoh (Ochanomizu University, Japan, E-mail:itot(at)is.ocha.ac.jp) Implementation of hierarchical data visualization technique published as follows: T. Itoh, H. Takakura, A. Sawada, and K. Koyamada, Hierarchical Visualization of Network Intrusion Detection Data in the IP Address Space, IEEE Computer Graphics and Applications, Vol. 26, No. 2, pp. 40-47, 2006. Running on Java 1.8 or newer, and JOGL (Java binging OpenGL) 2.2. (Remark that unrecommended packages (java.awt, java.swing, etc.) are used in the code.) How to run: 1) Invoke "org.heiankyoview2.applet.heiankyoview.HeiankyoView". 2) Press the button "File Open" and select a data file. Data file format: (to be described)