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  2. List of lighting design software - Wikipedia

    en.wikipedia.org/wiki/List_of_Lighting_Design...

    The software is typically used by importing the structural design via CAD files. Then lighting elements are inserted. And finally, the lighting objects are associated with a photometry via IES files. The photometry of a light fixture describes the way it distributes its light into space.

  3. AutoCAD version history - Wikipedia

    en.wikipedia.org/wiki/AutoCAD_version_history

    AutoCAD is a commercial computer-aided design (CAD) and drafting software application by Autodesk. The first release of the software started with version 1.0 in December 1982. [1] The software has been continuously updated since its initial release.

  4. AutoCAD - Wikipedia

    en.wikipedia.org/wiki/AutoCAD

    AutoCAD is a 2D and 3D computer-aided design (CAD) software application developed by Autodesk. [1] It was first released in December 1982 for the CP/M and IBM PC platforms as a desktop app running on microcomputers with internal graphics controllers . [ 2 ]

  5. AutoCAD Architecture - Wikipedia

    en.wikipedia.org/wiki/AutoCAD_Architecture

    AutoCAD Architecture (abbreviated as ACA) is a version of Autodesk's flagship product, AutoCAD, with tools and functions specially suited to architectural work. Architectural objects have a relationship to one another and interact with each other intelligently.

  6. Right to light - Wikipedia

    en.wikipedia.org/wiki/Right_to_light

    Right to light is a form of easement in English law that gives a long-standing owner of a building with windows a right to maintain an adequate level of illumination. The right was traditionally known as the doctrine of " ancient lights ". [ 1 ]

  7. Atmospheric refraction - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_refraction

    Diagram showing displacement of the Sun's image at sunrise and sunset Comparison of inferior and superior mirages due to differing air refractive indices, n. Atmospheric refraction is the deviation of light or other electromagnetic wave from a straight line as it passes through the atmosphere due to the variation in air density as a function of height. [1]

  8. Aviation obstruction lighting - Wikipedia

    en.wikipedia.org/wiki/Aviation_obstruction_lighting

    Aircraft warning lights at the Mannheim telecommunications tower, in the background the bright torchlight of a steam cracker, in the distance warning lights from wind turbines Structure using a white strobe Structure using a Red/White Strobe Closeup of an aircraft warning light on top of a highrise in Changzhou, China Closeup of an aircraft warning light on top a factory facilities Structure ...

  9. Color rendering index - Wikipedia

    en.wikipedia.org/wiki/Color_rendering_index

    Researchers use daylight as the benchmark to which to compare color rendering of electric lights. In 1948, daylight was described as the ideal source of illumination for good color rendering because "it (daylight) displays (1) a great variety of colors, (2) makes it easy to distinguish slight shades of color, and (3) the colors of objects around us obviously look natural".