[Therion] Fwd: Re: How to calculate the volume of a cave

[Ben Cooper]

Hi Bill, Torsten,
What is that file; is it a standard output file from Therion or Survex?
Best regards
Ben

Sent from my iPhone

> On 28 Jan 2022, at 12:57, Bill Gee <bgee at campercaver.net> wrote:
> 
> Ha!  Torsten, you are a magician.  Thanks!
> 
> That was indeed exactly how I calculated this.  I had completely forgotten about it.  Fortunately the data file still exists on my Windows virtual machine, and Compass produces the number I need to defend.  I now know how to reproduce the calculation.
> 
> Breathing a huge sigh of relief ...
> 
> ========
> Bill Gee
> 
> 
>> On Friday, January 28, 2022 6:40:00 AM CST Torsten Schnitter wrote:
>> Hi Bill
>> 
>> May be you are looking for this ... !?
>> 
>> cheers,
>> Torsten
>> 
>>> ---------- Ursprüngliche Nachricht ----------
>>> Von: Bill Gee <bgee at campercaver.net>
>>> An: therion at speleo.sk
>>> Datum: 14.08.2019 23:38
>>> Betreff: Re: [Therion] How to calculate the volume of a cave
>>> 
>>> 
>>> Update:  After poking around a bit, I discovered that Compass will calculate cave volume based on centerline and LRUD data.  Doing that means I have to run a Windows computer (ugh!) and type in the survey data twice (double ugh!)  Fortunately the cave for which I need this is small.
>>> 
>>> Can this feature be added as a suggestion for future versions of Survex?
>>> 
>>> Compass does quite a few other calculations.  For example, it will calculate the volume of the bounding box.  A sample report is attached.  It is nice that the report is in both meters and feet.
>>> 
>>>> Hi, I am also interested on volume calculation!
>>>> 
>>>> Please keep me updated it!
>>>> 
>>>>> On 11 Aug 2019, at 22:22, Benedikt Hallinger <beni at hallinger.org> wrote:
>>>>> 
>>>>> It would be awesome if the compiler could derive this fron the loch model and write it to the statistics block (the one where also loop closure info and total west/east and north/south dimwnsions are returned) when compiling this, as the neccessary data should be already present?
>>>>> 
>>>>>> Am 09.08.2019 um 14:58 schrieb Bill Gee <bgee at campercaver.net>:
>>>>>> 
>>>>>> Hello everyone - 
>>>>>> 
>>>>>> What tools can be used to calculate the volume of a cave based on center line and LRUD data?
>>>>>> 
>>>>>> I found an email from Martin Sluka from about 4 years ago describing how to use Loch to export a .lox file in other formats, then run that file through CloudCompare or ParaView.  The process looks very complex to me, and besides - Loch does not run on my computers, so there is no way for me to generate an export.
>>>>>> 
>>>>>> As far as I can tell, Survex does not have a way to calculate volume.
>>>>>> 
>>>>>> Could it be done with a KML file and Google Earth?
>>>>>> 
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