Thanks Bruce and Tarkin for your advices.

Connexion lines & offsetThe structure of my program doesn't look like Tarkin's 
last description. Issue is similar to Bruce's one description.I managed to 
improve the issue in several cases with removing a maximum of mid level map to 
come back to 2 level max, ok for most but still ko when I need a third level of 
offset for serial pit for example  :(

Ok for "withtransparentcolor" I have recovered transparency :)  tks Tarkin
Have a good weekDavid


    Le dimanche 10 juillet 2022 à 02:41:02 UTC+2, Bruce Mutton 
<[email protected]> a écrit :  
 
 

> But I just tested it done with multiple levels, and my offset arrows still 
> work, so I cannot reproduce the behaviour you described. It is always the 
> inner-most offset (so to speak) that creates the arrow. At least with my 
> stuff - you doubtless have much more complex stuff than me.
  

...mumbles "must be something I'm doing", and "I was trying to keep my data 
structure simple".

Obviously I failed on the simple bit.

  

Clutching at straws - I wonder if it because I define lowest level maps outside 
of the survey they are associated with?

  

map 5-HawkesPlan -projection plan

              5-HawkesPlan-s1

              5-HawkesPlan-s2

endmap

map 5-HawkesPlanCL -projection plan

              5 # a map containing only the survey centreline

endmap

  

survey 5 -title "5-Hawkes"

              centreline

              #survey data here

              endcentreline

endsurvey 5

  

A crude attempt at trying to bisect to a possible cause:
   
   - I'm guessing Tarquin defines his maps INSIDE lowest level surveys (survey 
5 in the above example), rather than outside as I have done above.
   - David, I wonder which approach you use?  Low level maps defined inside or 
outside of the low level survey?

Regardless of the outcome of this quiz it won’t necessarily point to a correct 
reason, because there are other characteristics of project setup that could 
affect the answers (relationship of these low level surveys and maps to the 
surveys and maps that collect together the whole cave).

  

Bruce
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