File:PNG transparency demonstration 1.png

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search

PNG_transparency_demonstration_1.png ‎(800 × 600 pixels, file size: 222 KB, MIME type: image/png)

Captions

Captions

Add a one-line explanation of what this file represents

Summary[edit]

Description
English: PNG transparency demonstration
24bit PNG with 8bit alpha layer
Date 12 July 2005, 22 April 2009, 7 January 2019
Source Own work: Rendered in POV-Ray.
Author POV-Ray source code. 2005 version by Daniel G.. 2009 version by Ed g2s. 2019 version by CyberShadow.
Other versions

Licensing[edit]

I, the copyright holder of this work, hereby publish it under the following licenses:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or 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.
You may select the license of your choice.
Annotations
InfoField
This image is annotated: View the annotations at Commons

File history

Click on a date/time to view the file as it appeared at that time.

(newest | oldest) View (newer 10 | ) (10 | 20 | 50 | 100 | 250 | 500)
Date/TimeThumbnailDimensionsUserComment
current22:46, 1 July 2021Thumbnail for version as of 22:46, 1 July 2021800 × 600 (222 KB)Rhapsody Scarlet (talk | contribs)further optimized
19:11, 26 September 2020Thumbnail for version as of 19:11, 26 September 2020800 × 600 (223 KB)Avayak (talk | contribs)optimized
23:01, 7 January 2019Thumbnail for version as of 23:01, 7 January 2019800 × 600 (375 KB)CyberShadow (talk | contribs)Re-render and calculate proper transparency. POV-Ray seems to ignore the effects of transparency for translucent objects when calculating the output image alpha channel. Even though the dice are semi-transparent, this is not represented in the resulting PNG image. Rectify this by performing two renders (with a fully-black and fully-white background), then calculate the correct alpha value with a separate tool, so that the dice appear properly translucent depending on the background the imag...
03:11, 6 January 2019Thumbnail for version as of 03:11, 6 January 2019800 × 600 (213 KB)CyberShadow (talk | contribs)Reverted to version as of 17:40, 16 January 2016 (UTC) - the "compression" was destructive and overwrote some of the alpha channel (try viewing on a black background, e.g. in Chromium!)
19:49, 25 February 2017Thumbnail for version as of 19:49, 25 February 2017800 × 600 (175 KB)Gnash (talk | contribs)Optimized
12:27, 22 November 2016Thumbnail for version as of 12:27, 22 November 2016800 × 600 (197 KB)Pandakekok9 (talk | contribs)More filesize reduction using IrfanView, with compression level at maximum (9) and transparency saved in alpha channel. No PNGOUT used.
17:40, 16 January 2016Thumbnail for version as of 17:40, 16 January 2016800 × 600 (213 KB)Kingofthedead (talk | contribs)Reverted to version as of 10:15, 24 December 2014 (UTC) (oops!!)
17:39, 16 January 2016Thumbnail for version as of 17:39, 16 January 2016800 × 600 (216 KB)Kingofthedead (talk | contribs)Reverted to version as of 05:42, 6 December 2012 (UTC)
10:15, 24 December 2014Thumbnail for version as of 10:15, 24 December 2014800 × 600 (213 KB)Rhapsody Scarlet (talk | contribs)pngout good, zopflipng better.
05:42, 6 December 2012Thumbnail for version as of 05:42, 6 December 2012800 × 600 (216 KB)JeffyP (talk | contribs)pngout always wins.
(newest | oldest) View (newer 10 | ) (10 | 20 | 50 | 100 | 250 | 500)

You cannot overwrite this file.

File usage on other wikis

The following other wikis use this file:

View more global usage of this file.

Retrieved from "https://commons.wikimedia.org/w/index.php?title=File:PNG_transparency_demonstration_1.png&oldid=855410562"