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  2. Real image - Wikipedia

    en.wikipedia.org/wiki/Real_image

    A real image is the collection of focus points actually made by converging/diverging rays, while a virtual image is the collection of focus points made by extensions of diverging or converging rays. In other words, a real image is an image which is located in the plane of convergence for the light rays that originate from a given object.

  3. Virtual image - Wikipedia

    en.wikipedia.org/wiki/Virtual_image

    The magnification of the virtual image formed by the plane mirror is 1. Top: The formation of a virtual image using a diverging lens. Bottom: The formation of a virtual image using a convex mirror. In both diagrams, f is the focal point, O is the object, and I is the virtual image, shown in grey. Solid blue lines indicate (real) light rays and ...

  4. Reality–virtuality continuum - Wikipedia

    en.wikipedia.org/wiki/Reality–virtuality_continuum

    The reality–virtuality continuum therefore encompasses all possible variations and compositions of real and virtual objects. It has been described as a concept in new media and computer science. The concept was first introduced by Paul Milgram. [1] The area between the two extremes, where both the real and the virtual are mixed, is called ...

  5. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    Default PDF and file viewer for GNOME; replaces GPdf. Supports addition and removal (since v3.14), of basic text note annotations. CUPS: Apache License 2.0: No No No Yes Printing system can render any document to a PDF file, thus any Linux program with print capability can produce PDF files Pdftk: GPLv2: No Yes Yes

  6. Virtual photography - Wikipedia

    en.wikipedia.org/wiki/Virtual_photography

    The validity and legality of this art form is sometimes questioned, because virtual photographers are taking photos of artwork created by the game's designers and artists. [1] For the most part, virtual photographers share the same motivations as "real life" photographers, including a desire to capture visually interesting images, preserve ...

  7. VR photography - Wikipedia

    en.wikipedia.org/wiki/VR_Photography

    VR photography (after virtual-reality photography) is the interactive viewing of panoramic photographs, generally encompassing a 360-degree circle or a spherical view. The results is known as VR photograph (or VR photo ), 360-degree photo , [ 1 ] photo sphere , [ 2 ] or spherical photo , as well as interactive panorama or immersive panorama .

  8. Virtual art - Wikipedia

    en.wikipedia.org/wiki/Virtual_art

    Popper shows that contemporary virtual art is a further refinement of the technological art of the late twentieth century and also a departure from it. What is new about this new media art , he argues, is its humanization of technology, its emphasis on interactivity , its philosophical investigation of the real and the virtual , and its ...

  9. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [24]