Hi Stacho,

Thanks for the tip, this will greatly help me to improve my 3D !!!

Therion rocks !

Best,
Phil


> On 21 Feb 2017, at 14:18 PM, Stacho Mudrak via Therion <therion@speleo.sk> 
> wrote:
> 
> Hi, this is a problem of 3D generation algorithm of therion...
> 
> If a wall is relatively far away from centreline, height and dimensions 
> interpolation algorithm "averages too much". To overcome this, you need to 
> play with dimensions data for stations (putting some arbitrary large numbers 
> there - see example) or using "point dimensions -value [up down]" in 2D plan 
> somewhere near wall that needs to be affected.
> 
> But these are not nice changes. We should modify 3D generation algorithm to 
> solve these situations correctly.
> 
> S.
> 
> On 15 February 2017 at 13:23, Philippe Vernant via Therion <therion@speleo.sk 
> <mailto:therion@speleo.sk>> wrote:
> Hi guys,
> 
> Here is the .th and .th2 file from a survey of a large chamber. What I don’t 
> understand is why the line survey is outside below  the chamber. Any advice 
> on how to fix that ?
> 
> Thanks,
> Phil
> 
> 
>  
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