[Therion] Pb with LRUD on null length and vertical shots

[Xavier Pennec]

Thanks Martin, but this does not solve the problem for the reuse of all 
toporobot surveys: using either data dimension or [] means changing a 
lot in the data and I want to stay close to the original data so that I 
can verify the translation errors.

What I don't understand is:
* why a horizontal shot of 1mm should be considered as vertical for 
displaying the LRUD?
* why vertical shots are always oriented north even though a direction 
is given?

Xavier


Martin Sluka a écrit :
>
> On 20.12.2008, at 9:09, Xavier Pennec wrote:
>
>> To specify the LRUD at the beginning of  a leg (or when a is a sudden 
>> change) it is usual in toporobot to make a null (or very small) 
>> length shot (this is also usual in other survey softwares such as 
>> vtopo).
>
>
> example A.
>
> data dimensions station left right up down #you may use this 
> definition of data for all stations just separate LRUD from survey shots.
>
> 0 1 2 3 4
>
> data normal compass clino length left right up down
>
> 0 1 185 -15 4,5 1 1 5 1
>
> .....
>
>
> example B:
>
> data normal compass clino length left right up down
>
> 0 1 185 -15   4,5 [1 1] [2 1]  [3 5]  [4 1] #you may use this syntax 
> for LRUD anywhere the LRUD are changed on particular station
> 1 2 201  10 12      2      3       1       2
>
> ....
>
> LRUD in brackets mean first one for LRUD at "from" station, second one 
> for LRUD at "to" station.
>
> Martin
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