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## Re: vertical spacing - skyline integrals

 From: Janek Warchoł Subject: Re: vertical spacing - skyline integrals Date: Thu, 22 Mar 2012 09:05:06 +0100

```On Wed, Mar 21, 2012 at 11:31 PM, Werner LEMBERG <address@hidden> wrote:
>
>>> Looks right: The area between horizontal skylines should influence the
>>> spacing.  However, I think we need a parameter to adjust the amount of
>>> influence.
>>
>> I'm not sure what you mean.
>
> I mean that some people probably want a more rigid spacing, only
> slightly influenced by the area inbetween.  This is a matter of taste
>
> [...] I would like to have an additional parameter, say,
>
>  system-system-spacing #'rigidity = X
>
> where X is a number between 0 and 1.  Value 1 essentially means no
> skyline integrals, while value 0 exactly the opposite.

Maybe.  We'll see when there is some working code.
I'd like to have as few parameters as possible, to make things simpler
(within reason).

>> I've identified two potential problems that may appear, and ideas
>> for solutions:
>>
>>   www.anonstorage.net/PStorage/621.skyline-integrals-teeth-marked.pdf
>>   www.anonstorage.net/PStorage/328.integrals-pitfall-two-marked.pdf
>
> A possible solution is to `dampen' the skyline for the area
> computation, this is, to apply the beam logic to the skyline.  For
> example, this
>
>  ----------
>           |
>           |
>           |
>           |
>           -----------------------------
>
> becomes this:
>
>  ---------
>             \
>                 \
>                     \
>                         \
>                            ------------

That's what i meant (for the first problem).

thanks,
Janek

```