On 22 Jul 1998 06:37:13 -0500, Nieminen Mika <war### [at] assaricctutfi> wrote:
>In povray.general Ron Parker <ron### [at] rongwmicrocom> wrote:
>: since merges are more expensive than unions
>
>  Can you present some facts to support his claim?

[snip good argument]

>  I suppose that povray uses this kind of algorithm. So can you present some
>facts why merge is slower than union?

What you've said seems to make sense.  In my defense, I have only the word of
the 3.1b documentation, page 122, which says:

| Note that merge is slower rendering than union so it should only be used 
| when it is really necessary.

Post a reply to this message