[Therion] How to extract the length of each centerline ?

[Xavier Robert]

Hi,

Thanks a lot for your answers, that helps me a lot to understand how to use this database !
Regards,

Xav



Le 29 mai 2012 à 18:21, cawa sorix a écrit :

> Hi Xavier,
> 
> I understood you works on windows I think you can use a tools to do
> the first step for example :
> http://sqlitebrowser.sourceforge.net/
> 
> and create query on sql language to select the data you need with
> where conditions.
> 
> Regards,
> Laurent
> 
> 2012/5/29, Marco Corvi <marco_corvi at yahoo.com>:
>> hi xavier,
>> 
>> just export as database, say with output "cave.sql",
>> make a db with it: "sqlite3 cave.db< cave.sql".
>> open the db and select from the table centreline: "sqlite3 cave.db" and at
>> the prompt
>> 
>> "select title, length from centreline;"
>> 
>> or "select title, length from centreline where title not null;"
>> use ".schema centreline" to see the fields of the table,
>> ".help"for help.
>> 
>> 
>> marco
>> 
>> 
>> 
>> ________________________________
>> From: Xavier Robert <xavier.robert01 at gmail.com>
>> To: Therion <therion at speleo.sk>
>> Cc: stephane lips <stephane.lips at free.fr>
>> Sent: Tuesday, May 29, 2012 11:43 AM
>> Subject: [Therion] How to extract the length of each centerline ?
>> 
>> Hi all,
>> 
>> I am still working on the survey of the Jean-Bernard system in the French
>> Alps. I have a bunch of different centerlines series, and I need to extract
>> the length of each centerline to link them to the history of the
>> exploration/surveying.
>> 
>> I understood how to export the SQL database of the cave system, however, as
>> I do not know at all how to deal with SQL databases, I wondering if there is
>> there an easy way to extract this information with a command similar to
>> "export survey-list" ? The best will be an output like "centerline_ID -
>> Station_first - Station_last - Centerline_length - Topo_date" !
>> 
>> Cheers,
>> 
>> Xavier
>> 
>> 
>> 
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