[Therion] Doubt about vertical sections

Marco Menchise marco.menchise at gmail.com
Thu Nov 1 09:21:26 CET 2012


Bruce, thanks for you explanation.
It appears I missed to carefully read the Therion Book!

Marco


Marco


On Wed, Oct 31, 2012 at 7:08 PM, Bruce <bruce at tomo.co.nz> wrote:

>  Marco****
>
> I tested your example and got the result you described with both xvi and
> pdf outputs.****
>
> ** **
>
> I think you have found the transition defined by ‘vthreshold’.****
>
> From the Therion Book…****
>
> “****
>
> vthreshold <number> <units> ◃ threshold for interpreting LRUD readings as
> left-right-front-back reading perpendicular to the shot.****
>
> If passeges are horizontal (inclination < vthreshold), LR is perpendicular
> to the shot and UD is vertical.****
>
> If passages are more or less vertical (inclination > vthreshold), even UD
> becomes perpendicular to the shot – otherwise passages would not look very
> good. In the case of vertical shots, UD is interpreted as north-south
> dimension from the station to allow tube-like modelling of verticals****
>
> “****
>
> I had thought the default value of vthreshold was 60 degrees, but it seems
> it may be around 67.5 degrees.****
>
> ** **
>
> Bruce****
>
> ** **
>
> ** **
>
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>
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