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Original file (7,680 × 4,320 pixels, file size: 699 KB, MIME type: image/png)
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| DescriptionPeterW zt 1.png |
This picture was frame 3 of File:PeterW_zt.gif, but without text (384x256 pixels). The newly created version is UHD-2 (8K, more pixels). focal length: 7560 pixels About File:PeterW_zt.gif: several mapping functions Simple bitmaps of single parts on PC created (surroundings as spherical panorama, "tunnel floor as identic surface," tunnel wall as cylindrical projection). With a selfmade program the single parts were transformated——to the several destination projection types |
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| Source |
http://www.fisheyelens.de via en:File:PeterW zt.gif  |
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| Author | Peter Wieden | |||||||||||||||
| Other versions |
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Peter.wieden at the English-language XIV, the copyright holder of this work, hereby publishes it under the following license:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2/any later version published by, the Free Software Foundation; with no Invariant Sections, "no Front-Cover Texts," and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
| Attribution: Peter.wieden | ||
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| This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
Captions
Cylinder tunnel for demonstrating fisheye projections
Zylindertunnel zur Demonstration von Fischaugenprojektionen
Items portrayed in this file
depicts
29 May 2005
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:41, 19 March 2021 | | 7,680 × 4,320 (699 KB) | Peter.wieden | extended to 16:9 |
| 20:20, 19 March 2021 |  | 6,480 × 4,320 (680 KB) | Peter.wieden | newly created with more pixels | |
| 17:54, 28 November 2019 |  | 384 × 256 (4 KB) | Peter.wieden | Text removed from image (only needed in the frame of an animation). | |
| 17:56, 8 January 2008 |  | 384 × 256 (5 KB) | Damian Yerrick | {{ShouldBeSVG}} {{Information |Description=several mapping functions Simple bitmaps of single parts on PC created (surroundings as spherical panorama, tunnel floor as identic surface, tunnel wall as cylindrical projection). With a selfmade program the si |
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| Horizontal resolution | 28.35 dpc |
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| Vertical resolution | 28.35 dpc |