Thank you for your illustration about file types, compression types and 
naming conventions for frame images.

Regarding my question, I guess that the answer is: No, it is not possible to 
know the file name of the image that is being created from the SDL code.

Regards,
Zoly.

"Alain" <ele### [at] netscapenet> wrote in message 
news:46d1986c@news.povray.org...
> Zoly nous apporta ses lumieres en ce 2007/08/26 07:37:
>> Hi,
>>
>> Is there any way to know the final name of the image file that is being 
>> created from the code?
>>
>> I want to preprocess a series of frames and store the radiosity 
>> information (save_file option) in a different file for each frame so that 
>> I can reuse them later in the same serie of frames at a higher quality. I 
>> would like the radiosity file to have the same name than the image file 
>> but with a diffreent extension but I can't imagine how can i get the file 
>> image name (my_image001.bmp, for instance).
>>
>> Thanks,
>> Zoly
> The image's name is the same as that of the scene file.
> scene.pov -> scene.bmp
> Unless you specificaly set it to something else.
>
> In the case of an animation, it's:
> scene.pov -> scene01.bmp, scene02.bmp, scene03.bmp,...
> If your animation is up to 9 frames, it use 1 digit.
> If your animation is 10 to 99 frames, it use 2 digits.
> If your animation is 100 to 999 frames, it use 3 digits...
> To save the radiosity data for each frame, you need to specify the naming 
> yourself:
> save_file concat("Some_name",str(frame_number,-2,0),".rad")
> will create files of the format:
> Some_namexx.rad
>
> You can change the file format by using some command-line parameter: +fn 
> set the output as PNG for example. You can add this to the main ini file 
> to set it for all produced images: add a line with "+fn" to povray.ini. 
> PNG is lossless and a LOT smaller than BMP. You can't set the output to 
> JPG. Read the documentation for the supported image formats and the 
> coresponding switches.
>
> -- 
> Alain
> -------------------------------------------------
> Scientology: If shit happens, see "Dianetics", p.157.

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