POV-Ray: Newsgroups: povray.general: LogLuv tiff

POV-Ray : Newsgroups : povray.general : LogLuv tiff		Server Time 20 Nov 2024 10:13:56 EST (-0500)

From: Mael
Subject: LogLuv tiff
Date: 9 Oct 2001 10:32:39
Message: <3bc30a87$1@news.povray.org>

Can povray 3.5 read (write ?) high dynamic range images in tiff format (see:
http://positron.cs.berkeley.edu/gwlarson/pixformat/tiffluv.html) ?

M

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From: Ron Parker
Subject: Re: LogLuv tiff
Date: 9 Oct 2001 10:34:53
Message: <slrn9s62oq.5g3.ron.parker@fwi.com>

On Tue, 9 Oct 2001 16:35:35 +0200, Mael wrote:
>Can povray 3.5 read (write ?) high dynamic range images in tiff format (see:
>http://positron.cs.berkeley.edu/gwlarson/pixformat/tiffluv.html) ?

No.

-- 
#local R=rgb 99;#local P=R-R;#local F=pigment{gradient x}box{0,1pigment{gradient
y pigment_map{[.5F pigment_map{[.3R][.3F color_map{[.15red 99][.15P]}rotate z*45
translate x]}]#local H=pigment{gradient y color_map{[.5P][.5R]}scale 1/3}[.5F
pigment_map{[.3R][.3H][.7H][.7R]}]}}}camera{location.5-3*z}//only my opinions

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From: Kari Kivisalo
Subject: Re: LogLuv tiff
Date: 9 Oct 2001 13:08:10
Message: <3BC32F40.E5033140@engineer.com>

Mael wrote:
> 
> Can povray 3.5 read (write ?) high dynamic range images in tiff format (see:
> http://positron.cs.berkeley.edu/gwlarson/pixformat/tiffluv.html) ?

Povray can write 48bit png or ppm (Photoshop likes them raw)
HDR images. See http://www.pp.htv.fi/kkivisal/c/compress.htm

_____________
Kari Kivisalo

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