OSTCTools import support

[Anton Lundin]

On 10 July, 2015 - Salvador Cuñat wrote:

> Hi Anton.
> 
> 2015-07-09 0:13 GMT+02:00 Anton Lundin <glance at acc.umu.se>:
> 
> > On 26 April, 2015 - Anton Lundin wrote:
> >
> > > On 03 April, 2015 - Anton Lundin wrote:
> > >
> > > Anyhow. I'm out of ideas on how to produce some data to try to import.
> > > After my experience with OSTCProfile, i don't think any users will have
> > > data they would like to import either.
> > >
> >
> > Something have changed in the state of ostctools.
> >
> > A user reported some perceived problem in:
> > http://forum.heinrichsweikamp.com/read.php?6,15165
> >
> > And attached .dive files from his OSTC3, so how there are test files =)
> >
> >
> > subsurface failed to import those, due to the place where we thought
> > they stored dc_fam contains all kinds of weirdness in those files, and
> > then we set dc_fam = DC_FAMILY_NULL, and then try to fill up our devdata
> > with info, and if dc_fam is DC_FAMILY_NULL everything is still
> > null-pointers, and then we segfault on strlen(devdata->vendor) where
> > devdata->vendor is NULL.
> >
> 
> Thanks for the reference and your tests.
> 
> The OSTCTools file is pretty the same, with slight changes.  What is quite
> different is the header and profile data for OSTC 3. Fortunately libdc will
> do the diveparsing job for us.
> 
> BTW I have just found this paper
> 
> 
> https://bitbucket.org/heinrichsweikamp/hwos_code/src/0740bd920c5189ae7e7983a2406e400deeac1d83/doc/hwos_interface.odt?at=default
> 
> which credits Jef and Dirk   :-) , and its previous cousin for
> OSTC-OSTC2N/C.
> 
> Identify the family for OSTC 3 is easy (just read the correct byte which is
> different than OSTC), but I haven't figured out a way to identify the model
> yet  (OSTCTools does, so it is stored there somehow).
> 

Looks like the first byte is a version(?) marker to. 0x64 in the old
files in dives/ and 0x65 in the ones posted on the forum.

> I expect to have some time this weekend to play with the new profiles and
> my own, so probably on monday will have the import working.
> 

Great. GL HF =)


//Anton


-- 
Anton Lundin	+46702-161604