The immersive experience!
Background: Panorama Viewer GeometryWhat is different from "ordinary" viewers?
More Background Articles:
Image Metadata GPS and Geocoding HDR Imaging (High Dynamic Range) How to Create Great Panoramas |
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What is a panoramic picture? |
A panoramic picture is a photo with a horizontal and/or vertical visual field of view which is too large for a satisfying "flat" representation.
Special technology is required for creating and viewing this kind of picture. For an overview of software products for creating ("stitching") panoramas please click here. Let's now have a look on viewing panoramas.
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What is a panoramic viewer? |
This is achieved by displaying a moveable section of a large picture within a window. Typically, the user moves the mouse to indicate the direction where the visual section should be moved.
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What is "spherical projection"? |
A panoramic viewer is able to display an arbitrary section of this image "correctly". This is a time-consuming operation, compared to displaying just a "flat" image.
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Is a panoramic viewer suitable for "ordinary" pictures? |
The "moving with the mouse" technology was originally developed for displaying panoramic pictures. If this is combined with flat projection, it is well suited for any case where a section of a large picture is to be displayed on a screen.
Large pictures in this sense is exactly what you get from today's digital cameras -
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Examples: Landscapes, urban
environments, interiors of buildings, architectural ensembles. A panoramic picture is
typically a seamless 360° image taken from one viewpoint. To the extreme, it is a full
spherical image allowing a vertical visual angle of +/- 90°.
A panoramic viewer is a
software tool which enables you to watch panoramic pictures comfortably on a computer screen.
This is a technique for
transfering a ball-shaped ("spherical") image to a flat surface. The resulting image looks
kind of distorted (see above).
Typical resolution of a 22+ inch HD monitor: