Way you not defined another map definition only from surveys? And "select" that 
map definition for output?

M.s. 

Odesláno z iPhonu

2. 8. 2015 v 10:53, Michael <knollesimage at t-online.de>:

> Thanks Andrew and Bruce, for your suggestions.
>  
> I “solved” the problem by maintaining two redundant, complete trees  of 
> *.th – Files. One set does include scraps, the other set does not include 
> them.
>  
> For one of the next Therion releases, it would be nice to be able to forcibly 
> suppress scraps by command or parameter as suggested below.
>  
> Regards, Michael.
>  
>  
> From: therion-bounces at speleo.sk [mailto:therion-bounces at speleo.sk] On 
> Behalf Of Bruce
> Sent: Donnerstag, 25. Juni 2015 13:08
> To: 'List for Therion users'
> Subject: Re: [Therion] Forcing Therion to print centerlines only
>  
>  
> >If you put a survey in a map it will show the centreline...
>  
> Andrews suggestion is the only way I have done it to date, due to the 
> (generally helpful) behaviour of Therion whereby (for pdf exports) selecting 
> nothing selects all, and selecting any map object suppresses all selected 
> survey objects.
>  
> But it would be nice to be able to forcibly suppress scrap output, maybe 
> something like this in a layout would do it;
>  
> layout LayoutSurveyOnly
>       symbol-hide group all
>       # hides all survey and scrap symbols except passage foreground and 
> background colours I think
>       symbol-show group centreline #shows centreline related symbols
>       debug station-names #shows all station names
>       scale 1 1000
> endlayout LayoutSurveyOnly
>  
> That layout in combination with no selections (which by default selects all 
> surveys and all scraps/maps in a source file) might do the trick. 
> It worked for me, although it is slow to compile large projects due to 
> Therion having to process all the scraps. As written above the layout 
> generates centrelines with all the offsets and previews defined in maps, but 
> hides all other drawing symbols.
>  
> You can see below the effect on one of my projects.  The light grey shading 
> is the effect of the default white passage foreground colour overlying the 
> preview below shading.
>  
> Thanks for seeding the idea Michael
>  
> Bruce
> 
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