## Information

• Publication Type: Technical Report
• Workgroup(s)/Project(s): not specified
• Date: September 1997
• Number: TR-186-2-97-19

## Abstract

We propose a technique that enables one to exploit the inherent ability of stochastic radiosity algorithms to work correctly in the presence of arbitrary CSG intersections. With such radiosity algorithms the common approach to storing the illumination over a surface is to attach so--called {\em lightmaps} to them. By suitably splitting those lightmap elements at set--up time that are partitioned in some way by CSG intersections, we create an environment where a photon simulation can be performed without any modifications to the algorithm and little run--time penalty.

No further information available.

## BibTeX

@techreport{Wilkie-1997-PRL,
title =      "Photon Radiosity Lightmaps for CSG Solids",
author =     "Alexander Wilkie and Robert F. Tobler and Werner Purgathofer",
year =       "1997",
abstract =   "We propose a technique that enables one to exploit the
inherent ability of stochastic radiosity algorithms to work
correctly in the presence of arbitrary CSG intersections.
With such radiosity algorithms the common approach to
storing the illumination over a surface is to attach
so--called {\em lightmaps} to them. By suitably splitting
those lightmap elements at set--up time that are partitioned
in some way by CSG intersections, we create an environment
where a photon simulation can be performed without any
modifications to the algorithm and little run--time penalty.",
month =      sep,
number =     "TR-186-2-97-19",
address =    "Favoritenstrasse 9-11/E193-02, A-1040 Vienna, Austria",
institution = "Institute of Computer Graphics and Algorithms, Vienna
University of Technology ",
note =       "human contact: technical-report@cg.tuwien.ac.at",