File:PNG transparency demonstration 1.png

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PNG_transparency_demonstration_1.png ‎(800 × 600 pixels, file size: 375 KB, MIME type: image/png)

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A demonstration of a PNG-Image.

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Summary[edit]

DescriptionPNG transparency demonstration 1.png	English: PNG transparency demonstration 24bit PNG with 8bit alpha layer
Source	Own work: Rendered in POV-Ray by user:ed_g2s.
Author	POV-Ray source code
Other versions	See also: Image:PNG transparency demonstration 2.png, Image:PNG transparency demonstration 3.png

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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 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.

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	Date/Time	Dimensions	User	Comment
current	23:01, 7 January 2019	800 × 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 2019	800 × 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 2017	800 × 600 (175 KB)	Gnash (talk \| contribs)	Optimized
	12:27, 22 November 2016	800 × 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 2016	800 × 600 (213 KB)	MB298 (talk \| contribs)	Reverted to version as of 10:15, 24 December 2014 (UTC) (oops!!)
	17:39, 16 January 2016	800 × 600 (216 KB)	MB298 (talk \| contribs)	Reverted to version as of 05:42, 6 December 2012 (UTC)
	10:15, 24 December 2014	800 × 600 (213 KB)	Rhapsody Scarlet (talk \| contribs)	pngout good, zopflipng better.
	05:42, 6 December 2012	800 × 600 (216 KB)	JeffyP (talk \| contribs)	pngout always wins.
	23:25, 30 January 2010	800 × 600 (216 KB)	AtomCrusher (talk \| contribs)	Squeeze!
	12:16, 22 April 2009	800 × 600 (238 KB)	Ed g2s (talk \| contribs)	New version