POV-Ray : Newsgroups : povray.advanced-users : 48 bit png output broken Server Time
30 Jul 2024 04:21:08 EDT (-0400)
  48 bit png output broken (Message 5 to 14 of 14)  
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From: Thorsten Froehlich
Subject: Re: 48 bit png output broken
Date: 9 Aug 2000 12:56:47
Message: <39918d4f$1@news.povray.org>
In article <39912556.174ADE9F@kivisalo.net> , Kari Kivisalo 
<kar### [at] kivisalonet>  wrote:

>> Are you sure you are using a program that supports 16 bit per colour
>> component PNG images?
>
> Photoshop 5.5 says it's 16bit but displays this.
> Looks like high/low bytes are reversed.

That would be a Photoshop problem...


     Thorsten


____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

Visit POV-Ray on the web: http://mac.povray.org


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From: David Fontaine
Subject: Re: 48 bit png output broken
Date: 9 Aug 2000 15:02:03
Message: <3991A8AF.D654D090@faricy.net>
Warp wrote:

>   You should know better and not post binary attachments to a non-binaries
> group.
>
> --
> main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> ):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

Oh? And what do you call the data string in your sig? ;)

--
David Fontaine     <dav### [at] faricynet>     ICQ 55354965
Please visit my website: http://www.faricy.net/~davidf/


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From: Mark Gordon
Subject: Re: 48 bit png output broken
Date: 9 Aug 2000 20:00:22
Message: <3991F135.3EADF561@mailbag.com>
David Fontaine wrote:
> 
> Warp wrote:
> > main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
> > ):_;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/
> 
> Oh? And what do you call the data string in your sig? ;)

Source.  Certainly not a binary, at least not in the technical sense.

Then again, I don't think it's entirely proper to post PPM files to text
groups. ;-)

-Mark Gordon


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From: Chris Huff
Subject: Re: 48 bit png output broken
Date: 9 Aug 2000 21:18:07
Message: <chrishuff-0DB083.20191109082000@news.povray.org>
In article <3991A8AF.D654D090@faricy.net>, David Fontaine 
<dav### [at] faricynet> wrote:

> Oh? And what do you call the data string in your sig? ;)

His signature is two lines of somewhat human-readable text, in the 
message and not as an attachment, written in a programming language (C), 
and generated by a human. The image was a ~50KB JPEG image file 
attachment. There is a big difference.

Messages with file attachments(including attachments of text files) go 
in one of the binary groups, only post text messages to text groups.

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/


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From: Kari Kivisalo
Subject: Re: 48 bit png output broken
Date: 10 Aug 2000 09:13:03
Message: <3992AA72.8BEC1CEF@kivisalo.net>
Thorsten Froehlich wrote:
>
> That would be a Photoshop problem...

Is there _any_ app that can open pov 48bit output and save as uncompressed
tif or raw? I guess there isn't raw output option for advanced users because
advanced users just patch it in if they need it :). I'm not going to patch yet.

K.K.


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From: Peter Popov
Subject: Re: 48 bit png output broken
Date: 10 Aug 2000 12:47:24
Message: <qpm5pso2ccfa3pnid549j6q9flihh7bjur@4ax.com>
On Thu, 10 Aug 2000 16:13:22 +0300, Kari Kivisalo <kar### [at] kivisalonet>
wrote:

>Is there _any_ app that can open pov 48bit output and save as uncompressed
>tif or raw? I guess there isn't raw output option for advanced users because
>advanced users just patch it in if they need it :). I'm not going to patch yet.

I think ImageMagick and/or the GIMP can do it. Both are for Unix but
there are Windows ports and I think there are ports to other popular
OSs.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG      e-mail : pet### [at] tagpovrayorg


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From: Kari Kivisalo
Subject: Re: 48 bit png output broken
Date: 10 Aug 2000 13:58:32
Message: <3992ED5C.AA910340@kivisalo.net>
Peter Popov wrote:
>
> I think ImageMagick and/or the GIMP can do it.

The Gimp port can read 48bit but exports as 24bit.
ImageMagick converts to inverted byte order 24 bit tif
and really messes up 48 bit tif, psd and raw export.

K.K.


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From: Peter Popov
Subject: Re: 48 bit png output broken
Date: 11 Aug 2000 03:49:19
Message: <ohb7ps8kg6tmmugnte5k5se5jpr622a3nm@4ax.com>
On Thu, 10 Aug 2000 20:58:52 +0300, Kari Kivisalo <kar### [at] kivisalonet>
wrote:

>The Gimp port can read 48bit but exports as 24bit.
>ImageMagick converts to inverted byte order 24 bit tif
>and really messes up 48 bit tif, psd and raw export.

OK, I'll try PhotoPaint and ZSoft PaintBrush to see what they can do.


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG      e-mail : pet### [at] tagpovrayorg


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From: Kari Kivisalo
Subject: Re: 48 bit png output broken
Date: 13 Aug 2000 11:15:50
Message: <3996BBBD.7B783AE5@kivisalo.net>
I wrote:
>
> The Gimp port can read 48bit but exports as 24bit.
> ImageMagick converts to inverted byte order 24 bit tif
> and really messes up 48 bit tif, psd and raw export.

Image Alchemy and pngtopnm can't convert to 48bit
and the official ptot png2tif stops on assert failure.

I need Star Trek universal phase translator converter to
open this file.

K.K.


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From: Peter J  Holzer
Subject: Re: 48 bit png output broken
Date: 19 Aug 2000 18:25:58
Message: <slrn8ptqbc.bpb.hjp-usenet@teal.h.hjp.at>
On Wed, 09 Aug 2000 19:03:01 -0500, Mark Gordon wrote:
>Then again, I don't think it's entirely proper to post PPM files to text
>groups. ;-)

You don't?

---8<------8<------8<------8<------8<------8<------8<------8<---
P3
15 5 1
1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
0 1 
1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
0 1 
1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
0 1 
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0
0 0 
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0
0 0 
---8<------8<------8<------8<------8<------8<------8<------8<---

SCNR,

	hp

-- 
   _  | Peter J. Holzer    | Nicht an Tueren mangelt es,
|_|_) | Sysadmin WSR       | sondern an der Einrichtung (aka Content).
| |   | hjp### [at] wsracat      |    -- Ale### [at] univieacat
__/   | http://www.hjp.at/ |       zum Thema Portale in at.linux


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