Wu Yang wrote:
> 
> Hi, all
>   I am trying to find the output image data and found that there is a
> function called
>  trace_pixel(x,Current_Line_Number,Current_Line[x]) in render.cpp file.
> (x,Current_Line_Number) is a pixel position and Current_Line[x] is a
> 5-element float array named COLOUR. I know that the first three elements are
> the RGB values, but I am not sure what the last two elements are. Please
> give me some advice. Thanks
> Wu Yang

RGBFT- the last two are filter and transmit.

-- 
Ken Tyler

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