POV-Ray : Newsgroups : povray.beta-test : Mesh2 not smooth with 64bit 3.7beta32 Server Time
26 Feb 2024 15:00:46 EST (-0500)
  Mesh2 not smooth with 64bit 3.7beta32 (Message 1 to 8 of 8)  
From: Verm
Subject: Mesh2 not smooth with 64bit 3.7beta32
Date: 14 Apr 2009 18:56:09
Message: <49e51489$1@news.povray.org>
Hi,
    I've found that my 64bit (winXP) beta32 is failing to render a mesh2 
smoothly - I get flat triangles not smoothed triangles.
I've tried the same scene with 3.6.1 (32 and 64 bit) and with a 32bit 
beta32 and I get a nice smooth mesh with all 3 versions.

I've not got a minimal scene file (I'm playing with car models) but 
could create one if needed.

sorry if this has already been reported....

thanks


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From: Chris Cason
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32
Date: 15 Apr 2009 01:59:46
Message: <49e577d2$1@news.povray.org>
Verm wrote:
>     I've found that my 64bit (winXP) beta32 is failing to render a mesh2 
> smoothly - I get flat triangles not smoothed triangles.
> I've tried the same scene with 3.6.1 (32 and 64 bit) and with a 32bit 
> beta32 and I get a nice smooth mesh with all 3 versions.
> 
> I've not got a minimal scene file (I'm playing with car models) but 
> could create one if needed.

That would help, thanks (though if it happens with the standard demo scenes
also, no need - have you tried this?)

-- Chris


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From: Verm
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32
Date: 15 Apr 2009 02:57:08
Message: <49e58544$1@news.povray.org>
Sorry was late and I'd not thought of the demo scenes.
Results of chess demo in p.b-t.b

thanks


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From: Verm
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32 - same with mesh
Date: 15 Apr 2009 03:13:16
Message: <49e5890c@news.povray.org>
In case anyone had not spotted it... chessmesh uses a mesh not mesh2 so 
the issue is not mesh2 specific.


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From: clipka
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32 - same with mesh
Date: 15 Apr 2009 16:00:01
Message: <web.49e63bd79879e08b255d1edc0@news.povray.org>
Verm <a@b> wrote:
> In case anyone had not spotted it... chessmesh uses a mesh not mesh2 so
> the issue is not mesh2 specific.

.... which would have been a surprise anyway, because below the hood they're
actually the same.

(But it rules out the parser as the source of the error :P)


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From: Friedrich Lohmüller
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32
Date: 14 May 2009 08:31:59
Message: <4a0c0f3f$1@news.povray.org>
Chris Cason wrote:
>> I've not got a minimal scene file (I'm playing with car models) but 
>> could create one if needed.
> 
> That would help, thanks (though if it happens with the standard demo scenes
> also, no need - have you tried this?)
> 
Confirmation: Mesh2 not smooth with 64bit 3.7beta32
  tested with Core2Quad Q9300 and also with a Core i7.
  No problems with 64bit 3.7beta31 or version 3.6

minimal scene:
//------------------------------------------------
#default{ finish{ ambient 0.1 diffuse 0.9 }}
#include "shapes.inc"
//------------------------------------------------
camera{ location <4,6,-4>
         right x*image_width/image_height
         angle 26
         look_at  <1,0.15,1>
       }
//------------------------------------------------
light_source{<-500,2500,-2500> color rgb 1}
sky_sphere{ pigment{ color rgb<0.25,0.25,0.75>}}
//------------------------------------------------
#declare Fn_1 =
  function(x, y, z)
   {1 -  (-f_snoise3d(x*1.5,y*2,  z*2)*0.25)}
//------------------------------------------------
object{
HF_Square ( Fn_1  , //Function,
             0, // UseUVheight, // 0 or 1
             1, // UseUVtexture,// 0 or 1
             <15,15>, // Res,
             1, // Smooth,// 0 or 1
             "", // i.e. "Mesh2_00.inc", // FileName,
             <0,0,0>,<2,2,2> // box of MnExt,MxExt
           ) //----------------------------------
//#include "Mesh2_00.inc"
  pigment{ color rgb< 1,1,1>}
  translate<0,-1.80,0>
}  // end of HF_Square ----------------------------
///////////////////////////////////////////////////
I hope that helps to find the error.


Thanks to the whole POV-Team!
Great work!


Friedrich

Email:  Fri### [at] t-onlinede
Homepage: http://www.f-lohmueller.de/


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From: Friedrich Lohmüller
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32
Date: 14 May 2009 09:24:05
Message: <4a0c1b75$1@news.povray.org>
> Confirmation: Mesh2 not smooth with 64bit 3.7beta32
>  tested with Core2Quad Q9300 and also with a Core i7.
forgot to mention both with WindowsVista64  !

Friedrich


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From: Le Forgeron
Subject: Re: Mesh2 not smooth with 64bit 3.7beta32
Date: 14 May 2009 12:18:28
Message: <4a0c4454@news.povray.org>

> 
>> Confirmation: Mesh2 not smooth with 64bit 3.7beta32
>>  tested with Core2Quad Q9300 and also with a Core i7.
> forgot to mention both with WindowsVista64  !
> 
the minimal scene render fine on Linux 64 (compiled from sources).
Maybe some issue with Windows naming of a structure and compiler-related ?

Or something totally different (like the window binary for 64 being build on
uncommitted
sources ?)


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