RayTrace: A Simplified Ray Tracing Software for use in AutoCad

Gregers Peter Reimann, C.K. Tang

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


    A design aid tool for testing and development of daylighting systems was developed. A simplified ray tracing software was programmed in Lisp for AutoCad. Only fully specularly reflective, fully transparent and fully absorbant surfaces can be defined in the software. The software is therefore best suited to evaluation of light transmission through specularly reflective daylighting systems. A graphic and numeric display of arrays for each incident angle aids the user in the ray tracing analysis. The results are automatically written to a text file for easy import and analysis in a spreadsheet.
    Original languageEnglish
    Title of host publicationSeminar on Advances in Malaysian Energy Research 2005
    Place of PublicationUniversity Kebansaan Malaysia
    Publication date2005
    Publication statusPublished - 2005


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