Year: 1990-2001 Software: GVS 3.0, 3.2, SRKeith, circia 1990 to 1997, GL, C; PMARCviewer, circa 1997 to 2001, OpenGL, C Hardware: GVS 3,x: SGI Personal Workstation; PMARCviewer: Macintosh, Windows NT 4, Sun Sparc and SGI. Title: Panel Methods data (PMarc) using the delta model. Comments: This image is from PMARCviewer, a product I produced as SRK Graphics Rsch for the Macintosh. I designed the software to be purposefully cross platform independent. This image was created by using TIFF generation software that is part of PMARCviewer.