[Therion] Lox Model showing walls from wrong side

[Ladislav Blažek]

 Why you have "survey line" in your scraps? You need only points 
 (station type) for orientation/scaling. I think there should be another 
 problem in your data files then what you described.

 L.


 On Fri, 25 Feb 2011 14:39:38 +0000, Footleg <drfootleg at gmail.com> 
 wrote:
> Right, some more investigation has proved that this is not because of
> the wall lines exactly, but is due to the fact that I have a survey
> point outside the area enclosed by the walls. See the attached
> screenshot. By adding the small line shown in red the problem goes
> away. I think the problem arises if you draw imaginary lines between
> the two pairs of points forming the ends of the two walls, and there
> is a survey point outside the area defined by the walls and imaginary
> enclosing lines then you get the 'scrap outline intersects itself'
> error and the lox model walls get all messed up.
>
> Correction! I just tried deleting the survey point and survey line,
> and it messes up still unless I have that extra bit of wall line 
> shown
> in red. So it appears that you have to end your two wall lines 
> roughly
> on a line perpendicular to the passage. If one is shorter than the
> other then the lox model messes up. I confirmed this by removing my
> extra bit of wall line from the scrap, and then splitting the other
> wall line a couple of nodes up and deleting the end bit off that 
> wall.
> This renders fine too.
>
> Footleg
>
> On 25 February 2011 13:32, Footleg  wrote:
>  Following the discussions yesterday I have tried adding more survey
> points to my scrap but this did not make any difference. I did notice
> that the log warned me that my scrap outline intersects itself,
> followed by some numbers. But visually in the editor I cannot see any
> place where the lines are messed up. So what to the numbers after the
> warning mean? My wall lines were imported from Inkscape.
>
> The warnings:
> [Warning: scrap outline intersects itself in scrap layer4 at Riano]
> [Warning: scrap outline intersects itself in scrap layer4 at Riano] [8]
> [9] [10]
> (./mptextmp.mp [2]) [11] )
>
> Footleg
>
>
>
> Links:
> ------
> [1] mailto:drfootleg at gmail.com
> [2] http://mptextmp.mp