[Therion] Revisiting Breaking extended elevations on specific stations

[Stacho Mudrak]

Thanks Marco and others for pointing these problems out.

So I have another suggestion. Not to implement extend stop, equate, but add
the possibility of 3 stations in extend ignore. I.e.

extend ignore <s1> <s2> <s3>

would mean, do not go to s3 if you came to s2 from s1. In your case
Tarquin, specifying

extend ignore 8 7 11
extend ignore 6 7 12

should save the situation. Am I still missing something?

S.

On Thu, 16 Jul 2020 at 23:15, Stacho Mudrak <stacho.mudrak at gmail.com> wrote:

> Thanks Marco, Tarquin for pointing this out.
>
> So I have another suggestion. Not to implement extend stop, but add the
> possibility of 3 stations in extend ignore.
>
> extend ignore <s1> <s2> <s3>
>
> would mean, do not go to s3 if you came to s2 from s1. In your case
> Tarquin, specifying
>
> extend ignore 8 7 11
> extend ignore 6 7 12
>
> should save the situation. Am I missing something?
>
> S.
>
> On Thu, 16 Jul 2020 at 22:40, Tarquin Wilton-Jones via Therion <
> therion at speleo.sk> wrote:
>
>> > Something important I had not considered.  I wonder what it does to
>> tarquin's example.
>>
>> I don't even begin to know how to cope with the situation where there is
>> a separate branch from 7 to 12 in my example, where you want
>> 2-10-9-8-7-12 to be shown as one branch in the extended elevation, and
>> 1-2-3-4-5-6-7-11 in the other branch, with two station 7s.
>>
>> At that point, I think the only way to cope with it is to say:
>>
>> 7 7a 0 0 0
>> 7a 8 1 2 3
>> ...
>> 7a 12 1 2 3
>> extend ignore 7-7a
>>
>> Manipulate the data to add an extra station, allowing a break.
>>
>> I also don't think this discussion of "extend stop 8 7" can cope with it
>> either.
>>
>> I sense a large spanner in the works...
>>
>>
>> Tarquin
>> _______________________________________________
>> Therion mailing list
>> Therion at speleo.sk
>> https://mailman.speleo.sk/listinfo/therion
>>
>
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