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Warp <war### [at] tag povray org> wrote:
> Grassblade <nomail@nomail> wrote:
> > No, Pov-ray currently doesn't support Hdr
>
> POV-Ray 3.7 does.
>
> --
> - Warp
True, but unless I missed its release, 3.7 is still a beta.
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clarkking wrote:
> Well when I use the +UA and +FN switches i get what i wanted but it seems
> like a have lost my reflections and some surface props of my object. The
> reflections remain while I use no_image for the planes objects, but the
> reflections seems to be lost when i use the +UA switch, why?
well, +UA will change your background color to transparent,
so everywhere the background itself is seen in the reflection,
you would see a change. You should still see the reflection
of the objects tagged with "no_image", though.
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Alain nous apporta ses lumieres en ce 2007/06/26 20:33:
> clarkking nous apporta ses lumieres en ce 2007/06/26 15:32:
>> "Grassblade" <nomail@nomail> wrote:
>>> "clarkking" <cla### [at] sbcglobal net> wrote:
>>>> I have been using Pov Ray now for a few weeks concentrating on learning
>>>> syntax. I have seen its results and capabilities before however
>>>> since i
>>>> have played about with 3d art for several years now. I am simply
>>>> amazed at
>>>> some of the photorealistic results using hdri and radiosity can offer.
>>>>
>>>> At current however i am trying to render a scene with a transparent
>>>> background. I am using the +UA command line switch and "no_image" for
>>>> anything like a plane or background. Now my render in Pov is an
>>>> image say
>>>> with my oject perfectly rendered with a trans. bg. However when i
>>>> go to
>>>> open the image file in say Adobe elements (editor) the image has a
>>>> black
>>>> bg, and I cant seem to separate it. Thats rendering to bmp format.
>>>> I have
>>>> also tried outputing as Targa format but same thing happens. What am i
>>>> doing wrong.
>>> 'twould seem you haven't played enough with *2d* art. ;-) To save
>>> transparency you need an alpha channel, it is present in PNGs and some
>>> Targas, AFAIK. BMP doesn't have it, so your image editor will read the
>>> pigment and output black or white depending if it reads 0,0,0 as
>>> black or
>>> white.
>>>> My goal here is to take that object and layer it onto a bg
>>>> image in the iamge editor. Also could i just use the image as my
>>>> background in Pov? How would I do that though, as an image map? I
>>>> have
>>>> tried that i think but how do i tell Pov Ray where to look for the
>>>> image?
>>> Respectively yes, yes and Library_Path (or +L, see
>>> http://www.povray.org/documentation/view/3.6.1/220/).
>>>> Well thats enough for now...thanks alot.
>>>>
>>>>
>>>> <C>
>>
>> Thank you both it works of course.
>>
>> I would really like to learn more about using HDRI light maps to light my
>> scenes and objects. Can i do that with the current version of POV? I
>> have
>> seen online Mega POV and i have downloaded it. but does it just run
>> in the
>> background to the main POV 3.6 windows console? I am a beginner with
>> hdri
>> for sure so some comprehensive tutoials would be wonderful.
>>
>>
>> Thanks again!
>>
>>
> Normal POV-Ray don't support HDR. BUT, megapov does, as does the current
> 1.7BETA version.
>
> Please remember that the v1.7x are beta, development versions that have
> an expiry date. The expiry date is there to prevent bug repost about
> versions that are to old and whose bugs may be solved in more recent
> versions.
>
Excuse me, I meant v3.7 beta, not 1.x :-(
--
Alain
-------------------------------------------------
Politicians are like diapers, they should be changed often and for the same reason.
Bob Monkhouse
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