Re: Alpha channel in RayShade

[Roger H. <rog...@mi...>]

On 5 Jul, 2007, at 20:40, Jose' Cruanyes wrote:

>
> I vote to maintain four floats till is converted to the native format
>
> the code to write the pixels to the destination bitmap is ugly to say
> the least, specially on windows, so I think it has to be reworked.


OK, will do.

>
> On the other hand, while experimenting with spherical lights, I've
> noted problems with the antialiasing, but I've not gone much further
> since,

Is this the same problem we are seeing with spheres?

We are doing an animation of a virtual pool table and we see  
horrendous random white speckles around the periphery of some of the  
balls and sometime a similar round pattern of white speckles on the  
cloth of the pool table.


>
> if we have to redo the antialiasing code (cubic and gaussian)
> probably is better to have the data as four floats, the size is not a
> problem, anyway we need just a tiny strip of data that will be copied
> to the destination buffer


OK.



Roger.