[Therion] Entrance for cave list

Mon Jan 9 16:18:23 CET 2017

And this is from Samples:

cave-list.thconfig:

!PROCESS
#!TITLE 4 Listing caves
#!
#! When surveying caves in some large area, you often need to generate 
#! an up to date list of all caves in that area. In therion dataset, "cave" 
#! can be defined in several ways, depending on the level of cave survey.
#!
#! If you have just surveyed entrance station (e.g. using GPS or standard
#! surveying methods), all you need to do is to assign <code>entrance</code>
#! flag using
source
centerline
fix cave-1 123456 789101112 1234
fix cave-2 123333 789101122 1256
#!CODE 
station cave-1 "Unsurveyed cave" entrance
#!ENDCODE
#! 
#! If there is some explored passage behind this entrance, but you did not
#! survey it properly, you should add also <code>continuation</code> flag
#! and <code>explored</code> flag followed by explored length. Explored but
#! unsurveyed passage lengths are also part of summary statistics.
#!
#!CODE 
station cave-2 "Unsurveyed but explored" entrance \
continuation explored 80m
#!ENDCODE
endcenterline
#!
#! If you have properly surveyed some cave, its data are usually in some
#! <code>survey</code> structure. Survey becomes a cave, if it has main entrance
#! station specified using <code>-entrance</code> option. Example:
#!
#!CODE
survey small_cave -title "Tunnel cave" -entrance 0
#!ENDCODE
centerline
fix 0 123488 78910888 1244 
data normal from to compass clino tape
0 1 100 -10 10
1 2 200 -20 15
station 0 "Main entrance" entrance
station 2 "Second entrance" entrance
endcenterline
endsurvey

survey xx
endsurvey

endsource
#!
#! If survey contains survey data, but it has no main entrance specified, it
#! is not considered as a cave, just as data organization unit and thus not
#! present in the cave list. Only surveys containing some caves (i.e. entrance 
#! stations or surveys with main entrance defined) are present in the final
#! cave list table.
#!
#! After caves in your data have been properly defined, you can generate
#! table using
#!CODE 
export cave-list -o caves.html
#!ENDCODE
#!
#! Resulting table looks like this
#!HTML caves.html

#!CLEAN caves.html

And result

Title	Length	Depth	Explored	Altitude
Tunnel cave	25	7	 	1244.0
Unsurveyed cave	 	 	 	1234.0
Unsurveyed but explored	 	 	80	1256.0

So there is something I don't understand.

Sorry Pavol.

m.s.

On Jan 09, 2017, at 04:13 PM, Martin Sluka via Therion <therion at speleo.sk> wrote:

It is another "entrance" 

"station 0 entrance" means, that this station is reference point from which is altitude calculated and centerline flipped for extended elevation.

For list of caves it is "entrance 0" in survey section. Or should be.

m.

On Jan 09, 2017, at 04:03 PM, Pavel Herich via Therion <therion at speleo.sk> wrote:

"not enough data readings" - because it´s written under command data 
normal from to ... Proper way to use it is following:

survey -title "Cave name"
...
centerline
station 0 "Cave name" entrance
...
data normal from to compass clino ...
...
endcenterline
ensurvey

Then things works well.
Pavel

Dňa 2017-01-09 15:52 Andrew Atkinson via Therion napísal(a):
The Therion book states it has to be in survey, I tried
entrance 0
in centreline, then you get an error, not enough data readings.

Yes I know what it is meant to do, but it is not working, I will post
examples when I am back in the UK, not easily done from rural
Myanmar....

Andrew

On 9 Jan 2017 20:57, "Pavel Herich via Therion" <therion at speleo.sk>
wrote:

Definition of entrance has to be inside centerline.
Then "export cave-list -location on -o cave.html" gives you
coordinates and lenght and depth of your surveys compiled, conected
with defined entrances. If you have a index.th [1], which connects
all your caves (every cave has to be at least in one or more
surveys; and more surveys connected under one general cave survey),
then you have list of all caves with one or more defined entrances.
Pavel

Dňa 2017-01-09 15:14 Andrew Atkinson via Therion napísal(a):

Yes, that is what I said, and it gives an error

Andrew

On 9 Jan 2017 19:04, "Martin Sluka via Therion" <therion at speleo.sk>
wrote:

Definition of entrance is part of survey-endsurvey

m.s.

On Jan 09, 2017, at 12:55 PM, Andrew Atkinson via Therion
<therion at speleo.sk> wrote:

Page 17 of the Therion hook states that station <station name>
Under the context survey should be used as the entrance identifier
for a cave to be used in cave-list export.

However, this gives an error unknown command -- entrance

Now I can sort of get round it using
Station 0 "" entrance
in the centerline, but this does not define a cave so the list is
a bit weird. Am I missing something?

V 5.3.16 on windows 10

Andrew

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