[Therion] Revisiting Breaking extended elevations on specific stations

[Bruce Mutton]

Stacho

Stop seems like a keyword that probably evokes the right expectations from a user.

Although, what are you thinking that a description of what it does would look like?

 

extend stop 8 7

 

Maybe, “when extending along leg 8 7, stop at 7, backup and start extending at the next part of the centreline that needs to be extended”.

Or would it exactly mimic the extend ignore 8 7 extend ignore 7 8 behaviour shown in the log in my 8 July email, which stops generating at station 8, then backs up, and eventually assigns itself a second start station to patch up an orphaned leg?

 



What would be the expected behaviour of extend 8 7 if the centreline were to be extending from the right, starting at 11?

 

And as a general question…

Are extend statements processed in the sequence they are written, or are they all read by Therion before Therion chooses the best order to process them (as it does with survey data)?

 

Bruce

 

From: Therion <therion-bounces at speleo.sk> On Behalf Of Stacho Mudrak
Sent: Wednesday, 15 July 2020 17:43
To: List for Therion users <therion at speleo.sk>
Subject: Re: [Therion] Revisiting Breaking extended elevations on specific stations

 

Hi, after returning from the caving trip, I would like to finish this topic.

 

For me, adding another parameter to extend is a little bit problematic, I would prefer some new keyword.

 

What do you think about:

 

extend stop 8 7

 

S.

 

On Wed, 8 Jul 2020 at 11:01, Tarquin Wilton-Jones via Therion <therion at speleo.sk <mailto:therion at speleo.sk> > wrote:

> How about...
> extend ignore 8 7 [ (from) | to ]
> ... since we already use the from and to keywords with respect to stations at each end of a survey leg?

It's all good by me.

The only reason I didn't suggest that keyword is that Therion is
stepping through my loop backwards. So a user might assume that the "to"
station is the "to" station from their data, when actually it is the
"to" station from the "extend ignore" pair.

But as long as people think it is intuitive enough, carry on :)
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