hallo everybody,

i have an urgent problem.
I am rendering one picture, and set the background { color Clear },
because I thought I will get an transparenc background. I render und open the
picture for example with photo-paint.
but the background is still there. I need to import the pic in flash und would
like to keep the falsh backgroud colour.

Can somebody help me please?

thanks
shiva

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> i have an urgent problem.

http://catb.org/~esr/faqs/smart-questions.html#urgent

> I am rendering one picture, and set the background { color Clear },
> because I thought I will get an transparenc background. I render und open the
> picture for example with photo-paint.
> but the background is still there. I need to import the pic in flash und would
> like to keep the falsh backgroud colour.

Use +ua command line option, or the equivalent Output_Alpha=true on your 
ini file.

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hallo,


> http://catb.org/~esr/faqs/smart-questions.html#urgent

thanks for the advice.

But could you be more clear please?

> Use +ua command line option, or the equivalent Output_Alpha=true on your
> ini file.

I have used pov only for rendering my crystallstuctures, and had not enough time
to go in datails althoug it is fascinating for me.

At which position should I write Output_Alpha=true,

thanks for answering
shiva

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>> http://catb.org/~esr/faqs/smart-questions.html#urgent
> 
> thanks for the advice.
> 
> But could you be more clear please?

Sure: don't claim your problem to be urgent. That's your problem, not mine.

>> Use +ua command line option, or the equivalent Output_Alpha=true on your
>> ini file.
> 
> I have used pov only for rendering my crystallstuctures, and had not enough time
> to go in datails althoug it is fascinating for me.
> 
> At which position should I write Output_Alpha=true,

I'll assume you're using Windows.
http://imagebin.org/11364
Type +ua on that textfield and it will render with alpha channel. Also 
make sure you're rendering to the PNG format, not BMP. Add +fn to make sure.

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THANK You so much ******
over one year I am playing with povray to solve this problem.
And now here it is....
I will take you to task, thank you again.


the presentation is much more professionel now

shiva

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shiva nous apporta ses lumieres en ce 2007/10/27 19:48:
> hallo,
> 
> 
>> http://catb.org/~esr/faqs/smart-questions.html#urgent
> 
> thanks for the advice.
> 
> But could you be more clear please?
> 
>> Use +ua command line option, or the equivalent Output_Alpha=true on your
>> ini file.
> 
> I have used pov only for rendering my crystallstuctures, and had not enough time
> to go in datails althoug it is fascinating for me.
> 
> At which position should I write Output_Alpha=true,
> 
> thanks for answering
> shiva
> 
> 
> 
In the command line box next to the resolution drop menu.
Add the folowing:
+ua +fn

+ua turn on transparency with an alpha chanel. Anytime you reatch the 
background, the output is transparent.
+fn set the output as png, as bmp don't support the alpha chanel.

-- 
Alain
-------------------------------------------------
You know you've been raytracing too long when you see the movie credits going by 
and instead of seeing Lenses by Panaflex it always seems to say Lens Effects by 
Chris Colefax.
Ken Tyler

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