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2. Opaque projector - Wikipedia

   en.wikipedia.org/wiki/Opaque_projector

   The document camera is also called a desktop presenter unit or opaque projector. Opaque projectors are still in use for tracing, called tracing projectors. A flat or solid original is projected on a larger sheet of paper onto a wall or easel, where the artist or craftsperson can trace the outline reliably. [4] [5]

3. List of ray tracing software - Wikipedia

   en.wikipedia.org/wiki/List_of_ray_tracing_software

   Ray tracing is a technique that can generate near photo-realistic computer images. A wide range of free software and commercial software is available for producing ...

4. Rotoscoping - Wikipedia

   en.wikipedia.org/wiki/Rotoscoping

   By tracing an object, the filmmaker creates a silhouette (called a matte) that can be used to extract that object from a scene for use on a different background. While blue- and green-screen techniques have made the process of layering subjects in scenes easier, rotoscoping still plays a large role in the production of visual effects imagery.

5. POV-Ray - Wikipedia

   en.wikipedia.org/wiki/POV-Ray

   The Persistence of Vision Ray Tracer, most commonly acronymed as POV-Ray, is a cross-platform ray-tracing program that generates images from a text-based scene description. It was originally based on DKBTrace, written by David Kirk Buck and Aaron A. Collins for Amiga computers.

6. Camera lucida - Wikipedia

   en.wikipedia.org/wiki/Camera_lucida

   If the right lens is inserted, so that the chosen distance roughly equals the distance of the drawing surface, both images can be viewed in good focus simultaneously. [citation needed] If white paper is used with the camera lucida, the superimposition of the paper with the scene tends to wash out the scene, making it difficult to view.

7. Comparison of raster-to-vector conversion software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_raster-to...

   Graphic Tracer Professional Steve Boek Graphic Powers AB 2016 2023 (version 12:2) $15 per month or $120 per year Proprietary: Windows Inkscape (uses Potrace) Inkscape.org 2003 2023 (version 1.3) Free GPL-2.0-or-later: Windows, macOS, Linux ImageTracer: András Jankovics 2015 2020 (version 1.2.6) Free Public domain