VISIG©

VISIG© is a tool for calculating and visualizing the radiance of solid bodies in space. It produces time varying radiance maps. Object radiance is calculated at the user-specified wavelengths as the sum of the componenets due to self-emission and reflected sunshine and earthshine. VISIG is used by the defense community to estimate the brightness of spaceborne objects to aid in the design of sensors and algorithms for tracking and discrimination. VISIG uses Graphics Library routines to project the object from a sensor perspective and to remove hidden surfaces. The system on which VISIG runs should have 24 bits of RGB and a z-buffer. VISIG is currently at version 3.0 with version 4.0 due by August 1994.

William Cornette

Senior Staff Scientist