You are right, there are two kinds of behavior, so it should not be bug, but very important difference: 1. wall „-visibilty off" will create normal wall, just invisible. 2. wall "-subtype invisible“ will create dummy wall, just to restrict a scrap Funny, I never think about it. m.s.
19. 2. 2017 v 9:21, Bruce Mutton via Therion <therion@speleo.sk>:
Too late. In any case I don't think it looks like a bug. I think the difference is a good thing, it gives valuable drawing options and the -visibility off for walls seems to be consistent behaviour with -visibility off for other line types.
I'm not sure it affects clipping unless wall subtype outline is none.
Testing would to be good, just to be sure.
Bruce
-----Original Message----- From: Therion [mailto:therion-bounces@speleo.sk] On Behalf Of Martin Sluka via Therion Sent: Sunday, 19 February 2017 9:11 PM To: List for Therion users <therion@speleo.sk> Cc: Martin Sluka <martinsluka@mac.com> Subject: Re: [Therion] Surface or Canyon walls
Please, don't do it! It is evidently a bug. Invisible wall must not change the behaviour of clipping. In any case.
I'll do one test more to see which way is correct.
Martin
Odesláno z iPhonu
19. 2. 2017 v 0:54, Bruce Mutton via Therion <therion@speleo.sk>:
Thanks Duncan and Martin I was not aware of this distinction between the different (in)visibilities for wall behaviour. I'll add it to the wiki page.
-----Original Message----- From: Therion [mailto:therion-bounces@speleo.sk] On Behalf Of Duncan Collis via Therion Sent: Friday, 17 February 2017 5:04 PM To: List for Therion users <therion@speleo.sk> Cc: Duncan Collis <duncan.collis@gmail.com> Subject: Re: [Therion] Surface or Canyon walls
On 15/02/2017, Martin Sluka via Therion <therion@speleo.sk> wrote:
14. 2. 2017 v 19:30, Bruce Mutton via Therion <therion@speleo.sk <mailto:therion@speleo.sk>>: are used by the scrap join algorithm to decide which line ends to join (for visible wall lines only),
For automatic scrap join algorithm. But you may join any kind of lines at any line points - typically wall to corner of block
It's worth noting that there are two different ways of making a wall line invisible in Therion, which are treated differently by the automatic scrap join algorithm:
line wall -subtype invisible The wall line is not displayed, and will be ignored by the scrap join algorithm.
lne wall -visibility off The wall line is not displayed, but can be used by the scrap join algorithm when it chooses which points to join.
This caused me a fair amount of confusion until I figured it out!
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