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Hello,

I just compiled the source code of POV-Ray for Windows. Surprisingly,
there seems to be problems with anti-aliasing, it just won't work and
a low-quality picture is produced. Is it just me, or has anyone else
experienced this (and maybe can help me out)?

Thanx in advance,
Martin

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Martin Eisenhardt wrote:
> 
> I just compiled the source code of POV-Ray for Windows. Surprisingly,
> there seems to be problems with anti-aliasing, it just won't work and
> a low-quality picture is produced. Is it just me, or has anyone else
> experienced this (and maybe can help me out)?
> 

Some more detailed information would probably be good, like:

- what compiler
- what antialiasing options
- maybe a sample piture shaowing the 'low-quality' in p.b.i

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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"Christoph Hormann" <chr### [at] gmxde> schrieb im Newsbeitrag
news:3B1D2781.CAAF74B9@gmx.de...
>
>
> Martin Eisenhardt wrote:
> >
> > I just compiled the source code of POV-Ray for Windows.
> > Surprisingly, there seems to be problems with anti-aliasing, it
> > just won't work and a low-quality picture is produced. Is it just
> > me, or has anyone else experienced this (and maybe can help me
> > out)?
> >
>
> Some more detailed information would probably be good, like:
>
> - what compiler
> - what antialiasing options
> - maybe a sample piture shaowing the 'low-quality' in p.b.i
>
> Christoph
>

Hi Christoph,

I used VC++ 6. The anti-aliasing options is a threshold of 0.3 (one
of the render option sets provided by the POV-Ray GUI). And take it
for granted: the output is the same, regardless whether I use
anti-aliasing or not.

BTW: What is p.b.i. ?

Thank you,
Martin

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Martin Eisenhardt wrote:
> 
> Hi Christoph,
> 
> I used VC++ 6. The anti-aliasing options is a threshold of 0.3 (one
> of the render option sets provided by the POV-Ray GUI). And take it
> for granted: the output is the same, regardless whether I use
> anti-aliasing or not.

Does it say that antialiasing is used in the render statistics?

> 
> BTW: What is p.b.i. ?
> 

the povray.binaries.images newsgroup.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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On Tue, 5 Jun 2001 21:03:33 +0200, Martin Eisenhardt wrote:
>
>I used VC++ 6. The anti-aliasing options is a threshold of 0.3 (one
>of the render option sets provided by the POV-Ray GUI). And take it
>for granted: the output is the same, regardless whether I use
>anti-aliasing or not.

Does the message pane tell you that AA is on or off when you render with
what should be AA?

That is, this is what you should see without AA:

Tracing Options
  Quality:  9
  Bounding boxes.......On  Bounding threshold: 3 
  Light Buffer.........On  Vista Buffer.........On  Draw Vista Buffer...Off
  Antialiasing........Off
  Radiosity...........Off

And this is what you should see with it on:

Tracing Options
  Quality:  9
  Bounding boxes.......On  Bounding threshold: 3 
  Light Buffer.........On  Vista Buffer.........On  Draw Vista Buffer...Off
  Antialiasing.........On  (Method 1, Threshold 0.300, Depth 3, Jitter 1.00)
  Radiosity...........Off

-- 
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbt 1}hollow interior{media{emission T}}finish{
reflection.1}}#end Z(-x-x.2y)Z(-x-x.4x)camera{location z*-10rotate x*90}

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"Christoph Hormann" <chr### [at] gmxde> schrieb im Newsbeitrag
news:3B1D32B6.9368CD21@gmx.de...
>
>
> Martin Eisenhardt wrote:
> >
> > Hi Christoph,
> >
> > I used VC++ 6. The anti-aliasing options is a threshold of 0.3
> > (one of the render option sets provided by the POV-Ray GUI). And
> > take it for granted: the output is the same, regardless whether I
> > use
> > anti-aliasing or not.
>
> Does it say that antialiasing is used in the render statistics?
>
>
> Christoph
>

Hello again,

that was one of the first things I checked, and the answer is: no, it
does not use anit-aliasing (if I go by the render statistics)
although - after I replaced pvengine.exe with the originally
distributed binary - the original POV-Ray does it (using the same
rendering options).

What now?

Thanks in advance,
Martin

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"Ron Parker" <ron### [at] povrayorg> schrieb im Newsbeitrag
news:slr### [at] fwicom...
> On Tue, 5 Jun 2001 21:03:33 +0200, Martin Eisenhardt wrote:
> >
> >I used VC++ 6. The anti-aliasing options is a threshold of 0.3
> >(one of the render option sets provided by the POV-Ray GUI). And
> >take it for granted: the output is the same, regardless whether I
> >use
> >anti-aliasing or not.
>
> Does the message pane tell you that AA is on or off when you render
> with what should be AA?
>
> That is, this is what you should see without AA:
>
> Tracing Options
>   Quality:  9
>   Bounding boxes.......On  Bounding threshold: 3
>   Light Buffer.........On  Vista Buffer.........On  Draw Vista
> Buffer...Off
>   Antialiasing........Off
>   Radiosity...........Off
>
> And this is what you should see with it on:
>
> Tracing Options
>   Quality:  9
>   Bounding boxes.......On  Bounding threshold: 3
>   Light Buffer.........On  Vista Buffer.........On  Draw Vista
> Buffer...Off
>   Antialiasing.........On  (Method 1, Threshold 0.300, Depth 3,
> Jitter 1.00)
>   Radiosity...........Off
>

Hello,

please see my answer to Christoph Hormann's posting, for he asked for
the same details as you. As you might have assumed, no anti-aliasing
was used according to the rendering statistics (and according to the
picture quality ;-).

Bye,
Martin

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in news:3b1d2d09@news.povray.org Martin Eisenhardt wrote:

> The anti-aliasing options is a threshold of 0.3 (one
> of the render option sets provided by the POV-Ray GUI).

Maybe a stupid question, have you tried what happens if you set the 
anti-aliasing on the command line +a0.3 instead of using the 
predefined settings?

Ingo

-- 
Photography: http://members.home.nl/ingoogni/
Pov-Ray    : http://members.home.nl/seed7/

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"ingo" <ing### [at] homenl> schrieb im Newsbeitrag
news:Xns### [at] povrayorg...
> in news:3b1d2d09@news.povray.org Martin Eisenhardt wrote:
>
> > The anti-aliasing options is a threshold of 0.3 (one
> > of the render option sets provided by the POV-Ray GUI).
>
> Maybe a stupid question, have you tried what happens if you set the
>  anti-aliasing on the command line +a0.3 instead of using the
> predefined settings?
>
> Ingo
>

I am ashamed ... but: how would I do that? I am only used to the
POV-Ray GUI, not to the command line port ...

bye,
Martin

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Martin Eisenhardt wrote:

> > Maybe a stupid question, have you tried what happens if you set the
> >  anti-aliasing on the command line +a0.3 instead of using the
> > predefined settings?

> I am ashamed ... but: how would I do that? I am only used to the
> POV-Ray GUI, not to the command line port ...

Press alt+c to open the command line dialog. At the bottom of the window
you will see a place to put command line options. Enter +a0.3 there and
close the window. Every time you render the commands you enter on this
line will over ride any .ini file options you may have specified such
as those quickres.ini uses in GUI drop down list.

-- 
Ken Tyler

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