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I don't think that loss of GIF is that bad. I, for one, never use GIF
with POV. It supports only 8 bit color. And why is PNG the only other
option? What about PICT? It's a great format. Or JPEG? Why does anyone use
GIF anyway?
David McCabe
dav### [at] maccom
> From: Anybody <any### [at] nirvananet>
> Newsgroups:
> povray.general,povray.macintosh,povray.unofficial.patches,povray.windows
> Date: Mon, 05 Jun 2000 12:22:56 +0200
> Subject: Re: Announce: MegaPov 0.5a available.
>
> Chris Huff wrote:
>>
>> In article <3938985b@news.povray.org>, "Mark Wagner"
>> <mar### [at] gtenet> wrote:
>>
>>> That's the .pot format. There are exactly two programs in the world that
>>> support it: POV-Ray, and Fractint.
>>
>> GraphicConverter(a Mac image editor) will open them, but it seems(at
>> first glance, anyway) to treat them as ordinary GIF images.
>
> Actually the .pot format _is_ in gif format. The pictures are only twice
> as width as the original picture, because the high 8 bits of the 16bit
> picture are stored in the second half of the picture.
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On Mon, 05 Jun 2000 14:44:01 -0700, David <dav### [at] maccom> wrote:
> And why is PNG the only other option? What about PICT?
PICT is primarily a "Mac" format. PNG is far more cross-patform, and
is designed specifically to be a superior replacement for the GIF
format.
>Or JPEG?
JPEG is certainly useful, but it is too lossy and has too many
artifacts for many people's needs.
PNG is lossless. PNG files can also be created as true-color images,
or with palettes, similar to GIF palette-based images. JPEG images
can't be created as palette-based images. Palette-based images
actually have their uses in POV-Ray, especially as input-images.
>Why does anyone use GIF anyway?
There are some "input-file" applications that only work well with GIF.
Certain types of filtering, in their use as image_maps, for example. I
don't think PNG's behaved in exactly the same manner in all cases, but
the exact details of the descrepancies escape my memory at the moment.
Later,
Glen Berry
7no### [at] ezwvcom
(Remove the "7" to reply via email.)
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Andrea Ryan wrote:
> The banner on top of that Unisys page is a gif image. If Unisys has not
> licensed itself, it will have to sue itself! ;)
What's funny is it says, "We eat, sleep and drink this stuff" and then there's
pages and pages of legal issues and licensing info... yeah, they eat, sleep and
drink that all right.
--
David Fontaine <dav### [at] faricynet> ICQ 55354965
Please visit my website: http://www.faricy.net/~davidf/
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Did Unisys even make the GIF format? I've never heard of that before.
Who even is Unisys?
> From: David Fontaine <dav### [at] faricynet>
> Newsgroups:
> povray.general,povray.macintosh,povray.unofficial.patches,povray.windows
> Date: Wed, 07 Jun 2000 16:51:26 -0500
> Subject: Re: Announce: MegaPov 0.5a available.
>
> Andrea Ryan wrote:
>
>> The banner on top of that Unisys page is a gif image. If Unisys has not
>> licensed itself, it will have to sue itself! ;)
>
> What's funny is it says, "We eat, sleep and drink this stuff" and then there's
> pages and pages of legal issues and licensing info... yeah, they eat, sleep
> and
> drink that all right.
>
> --
> David Fontaine <dav### [at] faricynet> ICQ 55354965
> Please visit my website: http://www.faricy.net/~davidf/
>
>
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David wrote:
> Did Unisys even make the GIF format?
CompuServe made the GIF format, using an algorithm that they did not
realize had been patented by a company that had subsequently been
purchased by Unisys. Had CompuServe known the algorithm was encumbered
by a patent, they probably would have chosen a different algorithm.
-Mark Gordon
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In article <3938f254@news.povray.org>, Thorsten Froehlich
<tho### [at] trfde> wrote:
> In article <3938A752.3E308FEF@iol.it> , Alessandro Coppo <a.c### [at] iolit>
> wrote:
>
> > PNG is supported by rel 4 browsers (IE4 supports it, there is just a
> > problem:
> > you can add and IMG tag to a page but for unknown reasons drag-dropping the
> > PNG file is not supported, so many people think IE4 is not PNG aware).
>
> This is only correct for IE 4 for Windows, IE 4 for Mac OS does not support
> it at all (but IE 5 does).
>
>
> Thorsten
How about Netscape...?
Anton
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From: Thorsten Froehlich
Subject: Re: Announce: MegaPov 0.5a available.
Date: 8 Jun 2000 14:52:34
Message: <393feb72@news.povray.org>
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In article <080620001739487380%a.r### [at] directa2000nl> , Anton Raves
<a.r### [at] directa2000nl> wrote:
>> This is only correct for IE 4 for Windows, IE 4 for Mac OS does not support
>> it at all (but IE 5 does).
>>
>>
>> Thorsten
>
> How about Netscape...?
In some higher 4.0x (4.04?) or so minimal support is integrated, on the Mac,
and on all other platforms as well, I guess.
Thorsten
____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde
Visit POV-Ray on the web: http://mac.povray.org
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> * fixed interface-related bugs (Windows version moved to 3.1g interface)
I still get lines of garbage in the message window, but the about box says
3.1g, could you have mixed up some files? Can anyone confirm this?
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Jetlag wrote:
> > * fixed interface-related bugs (Windows version moved to 3.1g interface)
>
> I still get lines of garbage in the message window, but the about box says
> 3.1g, could you have mixed up some files? Can anyone confirm this?
I only get the garbage using blue rock but not any of the other backgrounds
BTW I looked a MegaPOV.exe with a resource ripper & the blue rock bitmap has ~
4 lines of pixels where the blue is all the same colour and about 1/3 -1/2 the
way across the next line is also like this.
I also checked pvengine.exe & my home custom compile but neither had these
artifacts - So maybe Nathan should redownload the win3.1g src archive & make
sure the bitmap he compiles with is the correct one & has no artifacts.
BTW this still doesn't explain the colours I see - sometimes all one colour
(black/white/others), sometimes pinks, blue, grey & others - tiled pattern
Bye
Pabs
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I did like someone had suggested and updated Internet Explorer to the latest
non-beta version and haven't seen anything go wrong since, along with using
the WinMegaPov 0.5a version.
Guess you're using NT, Pabs? And Jetlag, a beta of IE or something? May be
specific troubles to those.
I also tried to see if I could "soft-crash" MegaPov just now by doing Selected
Area renders over and over again. 100+ times and all fine. I've been wanting
to try counting that before.
Bob
"Pabs" <pab### [at] hotmailcom> wrote in message
news:39408314.89A734AF@hotmail.com...
| Jetlag wrote:
|
| > > * fixed interface-related bugs (Windows version moved to 3.1g interface)
| >
| > I still get lines of garbage in the message window, but the about box says
| > 3.1g, could you have mixed up some files? Can anyone confirm this?
|
| I only get the garbage using blue rock but not any of the other backgrounds
| BTW I looked a MegaPOV.exe with a resource ripper & the blue rock bitmap has
~
| 4 lines of pixels where the blue is all the same colour and about 1/3 -1/2
the
| way across the next line is also like this.
| I also checked pvengine.exe & my home custom compile but neither had these
| artifacts - So maybe Nathan should redownload the win3.1g src archive & make
| sure the bitmap he compiles with is the correct one & has no artifacts.
| BTW this still doesn't explain the colours I see - sometimes all one colour
| (black/white/others), sometimes pinks, blue, grey & others - tiled pattern
|
| Bye
| Pabs
|
|
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