[therion] piles of rocks

[Martin Budaj]

Martin Sluka wrote:

>> At 23:50 +0000 7.1.2005, Wookey wrote:
>> *******************************************
>>
>
>>>>However in the example shown above, the overlying,overlapping rock,does
>>>>not obscure the one below. So - how do I get the effect Martin S had -
>>>> what
>>>>are the rules?
>
>>
>> There is no rule for it - I just drew blocks and checked if the small
>> yellow tick is outside of block. This tick indicates allways the
>> "free space" - inside the passage, inside of chimney or pit, higher
>> part of overhang or ceiling step, lower part of floor step or
>> conture, outside of block.


In this case line orientation doesn't matter -- iff the line is closed,
the rock is filled and hides everything below.

Martin