[Therion] How to properly scale xvi for using as a background image for drawing

[Martin Sluka]

There is option to export splay shots directly from Topodroid to .xvi. Another possibility is to export sketch as .png with factor 5.

Martin

> 18. 6. 2018 v 23:09, Marco Menchise via Therion <therion at speleo.sk>:
> 
> Yes, I'm using Topodroid.
> 
> Topodroid sketches are exported using a scale factor of 39.37, so to create a proper .xvi I had to use the following thconfig (let's say survey,th contains centerline data and splays): 
> 
> 
> ------------------------
> source survey.th <http://survey.th/>
> layout topodroidlayout
> scale 1 39.37
> endlayout
> export map -proj plan -layout topodroidlayout -output background.xvi
> ------------------------
> 
> 
> After that I'm able to use the generated .xvi as the backround for the Topodroid sketches in xtherion.
> 
> Thanks to Marco Corvi for the explanation.
> 
> Marco
> 
> 
> 
> 
>  
> 
> Il giorno mer 13 giu 2018 alle ore 07:24 Martin Sluka via Therion <therion at speleo.sk <mailto:therion at speleo.sk>> ha scritto:
> Topodroid?
> 
> Martin S. 
> 
> Odesláno z iPhonu
> 
> 13. 6. 2018 v 0:07, Marco Menchise via Therion <therion at speleo.sk <mailto:therion at speleo.sk>>:
> 
> > Hello,
> > 
> > is there a simple way to scale .th2 scraps to make they perfectly match the scale factor of a .xvi file used as background image in xtherion?
> > 
> > I want to edit a set of scraps (which are contained in a single th2 file) while having centerline and splays as a background image. So I usually generate the .xvi file from centerline data and load it as a background image of the scrap in xtherion. If the scraps don't have the same scale factor of the background I'm not able to superimpose them and edit the drawing.
> > 
> > How to make they match? Should I edit .th2 files by hands and do some calculations?
> > 
> > Could someone please clarifiy how Therion manages scale factor of scraps?
> > 
> > My scraps usually contain stations so I'm quite sure I don't have to change the "-scale" option of the scraps.
> > 
> > Thanks,
> > Marco
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