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On Wed, 05 Dec 2001 22:57:53 +0100, Christoph Hormann wrote:
>
>
> Ron Parker wrote:
>>
>> Past povray versions had a known bug.
>>
>
> In this case it's of course reasonable to presume that programs like
> gforge took the wrong format from Povray.
>
>> Has anyone tested POVWin's 16-bit PNG output on a Mac? I seem to remember
>> that we did that when this first came up and it worked okay, leading me to
>> believe that it's all those windows apps that are broken.
>>
>
> I just tested with xv and gimp BTW, the both behave just like the Windows
> programs.
The goal is to test on a big-endian machine, so that test is inconclusive.
--
plane{-z,-3normal{crackle scale.2#local a=5;#while(a)warp{repeat x flip x}rotate
z*60#local a=a-1;#end translate-9*x}pigment{rgb 1}}light_source{-9red 1rotate 60
*z}light_source{-9rgb y rotate-z*60}light_source{9-z*18rgb z}text{ttf"arial.ttf"
"RP".01,0translate-<.6,.4,.02>pigment{bozo}}light_source{-z*3rgb-.2}//Ron Parker
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Ron Parker wrote:
>
> > I just tested with xv and gimp BTW, the both behave just like the Windows
> > programs.
>
> The goal is to test on a big-endian machine, so that test is inconclusive.
>
All right, just wanted to mention it.
BTW, how about:
http://www.libpng.org/pub/png/pngsuite.html
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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On 5 Dec 2001 16:32:16 -0500, Ron Parker wrote:
> Has anyone tested POVWin's 16-bit PNG output on a Mac? I seem to remember
> that we did that when this first came up and it worked okay, leading me to
> believe that it's all those windows apps that are broken.
Never mind. I found it... color 16bpp images are okay, gray ones are
broken. 9-15 bpp are probably broken, too, but in a different way.
It'll be fixed in the next beta.
--
#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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never mind, I fixed it, I was actually making the hf image at a lower
resolution than I had thought.... doh....!
"Paul D. Jones" wrote:
> Howdy povers!
>
> I seem to be having a wee bit o' difficulty in making a nice
> heightfield. I have read the docs and tried a bunch of things
> (hf_gray_16, tga and png formats etc...) but no matter what I try, I
> cannot make a smooth height field.
>
> I use an orthographic scene file with an agate pattern to generate the
> required hf image (1024 x 768 aa 0.3), then in another scene use the
> smooth command and I get a stepped effect.
>
> Does any on have any suggestions as to what would make a good hf? Would
> an isosurface (shudder.....) be better?
>
> -thanks
>
> paul (a three year pov user, and still a new user!! argh!! :-)
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