File:PNG transparency demonstration 2.png

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Kena i Soqoni

Description
English: PNG transparency demonstration
24bit PNG with 8bit alpha layer
Date 12 Julai 2005, 22 Epereli 2009, 1 Veverueri 2022
Source Own work: Rendered in POV-Ray.
Author POV-Ray source code. 2005 version by Daniel G.. 2009 version by Ed g2s. 2022 version by Nguyễn Trí Minh Hoàng.
Other versions See also: Image:PNG transparency demonstration 1.png, Image:PNG transparency demonstration 3.png
Source code
InfoField
POV-Ray source code

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This image was created with POV-Ray.

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Warning! Transparency is (still) wrong (actual version of 25.Feb.2017) ! See Diskussion page for Details.

Items portrayed in this file

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copyright status English

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media type English

image/png

File history

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Date/TimeThumbnailDimensionsUserComment
current09:10, 1 Veverueri 2022Thumbnail for version as of 09:10, 1 Veverueri 2022997 × 747 (289 KB)Nguyễn Trí Minh HoàngRe-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 image
09:02, 1 Veverueri 2022Thumbnail for version as of 09:02, 1 Veverueri 2022995 × 745 (289 KB)Nguyễn Trí Minh HoàngReverted to version as of 09:01, 1 February 2022 (UTC)
09:01, 1 Veverueri 2022Thumbnail for version as of 09:01, 1 Veverueri 2022800 × 600 (178 KB)Nguyễn Trí Minh HoàngReverted to version as of 19:51, 25 February 2017 (UTC)
09:01, 1 Veverueri 2022Thumbnail for version as of 09:01, 1 Veverueri 2022995 × 745 (289 KB)Nguyễn Trí Minh HoàngRe-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 image
19:51, 25 Veverueri 2017Thumbnail for version as of 19:51, 25 Veverueri 2017800 × 600 (178 KB)GnashOptimized
10:17, 24 Tiseba 2014Thumbnail for version as of 10:17, 24 Tiseba 2014800 × 600 (178 KB)Rhapsody Scarletzopflipng
23:24, 30 Janueri 2010Thumbnail for version as of 23:24, 30 Janueri 2010800 × 600 (180 KB)AtomCrusherSqueeze!
12:16, 22 Epereli 2009Thumbnail for version as of 12:16, 22 Epereli 2009800 × 600 (194 KB)Ed g2sNew version
08:04, 15 Okotova 2005Thumbnail for version as of 08:04, 15 Okotova 2005320 × 240 (47 KB)TxuspeCompressed with PNGOUT.
00:45, 12 Julai 2005Thumbnail for version as of 00:45, 12 Julai 2005320 × 240 (64 KB)Daniel G.24bit PNG with 8bit alpha layer Rendered in POV-Ray by user:ed_g2s. See also: Image:PNG transparency demonstration 1.png {{GFDL}}

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