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Search took 0.00 seconds. Search: Posts Made By: HamishB
Forum: OpenCPN 24-01-2012, 20:25
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: malloc(): smallbin double linked list corrupted: 0x0a

opencpn.log for the crash and manual program restart:

...
05:30:00 NZDT: LOGBOOK: 2012-01-23 16:30:00 UTC GPS Lat -45.72505 Lon 170.66605 COG 23.00000 SOG 6.50
06:00:00 NZDT: LOGBOOK: ...
Forum: OpenCPN 24-01-2012, 20:19
Replies: 2,880
Views: 649,338
Posted By HamishB
malloc(): smallbin double linked list corrupted: 0x0a

Hi,

I'd like to report a segfault with 2.5.0 on Debian/stable (DebianGIS build rules). Usually I'd let it slide but this happened when I pressed the MOB button. I was just using it to make an...
Forum: OpenCPN 03-05-2011, 17:28
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: Beta Test / Technical

I humbly agree.

2c,
Forum: OpenCPN 28-04-2011, 00:31
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: Beta Test / Technical

perhaps those users interested in such features could run a paypal fundraising drive?
when is it likely to change again? NDA/cleanroom implementation needed?


Hamish
Forum: OpenCPN 25-04-2011, 16:34
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: How many digits are needed?

Why not? The challenge is to write software which leaves possibilities open for others who are not limited by our finite imaginations. :-)

It is no fun to get out there and have the thing break...
Forum: OpenCPN 19-04-2011, 22:08
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: How many digits are needed?

I'm not sure of what's in the current git code or currently user-visible. Check the bug/wish tracker for an item about a month or so ago which added the high-precision code. I think there was my...
Forum: OpenCPN 15-04-2011, 08:07
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: Beta Test / Technical

the classic answer to this: "When it's ready. Sooner if you help."
Forum: OpenCPN 15-04-2011, 08:05
Replies: 2,880
Views: 649,338
Posted By HamishB
Re: How many digits are needed?

yes & yes, please.

6-digit arc-minute: On our research ship we use RTK survey grade GPS which gives position to 2mm. This is recorded at 10Hz so we can filter out and quantify instantaneous heave,...
Forum: OpenCPN 26-03-2010, 03:22
Replies: 2,880
Views: 649,338
Posted By HamishB
OpenCPN 1.3.6 released on the OSGeo LiveDVD version 3.0

(sorry for the delay in replying)



use from a web browser was set up via click2try.com for last year's 2.0 release, but hasn't been done (yet?) for the new 3.0 release (out now!). We had an...
Forum: OpenCPN 11-03-2010, 22:35
Replies: 2,880
Views: 649,338
Posted By HamishB
website; Help test OpenCPN on the OSGeo LiveDVD

Hi,

** opencpn.org is down and needs to be renewed ASAP before a squatter grabs it!!



FYI OpenCpn 1.3.6 has been included on the new Live DVD/virtual machine/USB stick put out by OSGeo,...
Forum: OpenCPN 21-02-2010, 21:03
Replies: 2,880
Views: 649,338
Posted By HamishB
... after thinking about it a bit more, I think...

... after thinking about it a bit more, I think it's fairly safe to assume that after conversion to radians and back, and perhaps to Mercator and back, or a great-circle distance/bearing calc with...
Forum: OpenCPN 21-02-2010, 20:46
Replies: 2,880
Views: 649,338
Posted By HamishB
the 1e-9 is what the 0.001 should be. ...

the 1e-9 is what the 0.001 should be.

presumably the idea is to nudge the position by 1mm. So 0.001 would come from other code/an assumption that the units of that variable are in meters or feet....
Forum: OpenCPN 21-02-2010, 17:37
Replies: 2,880
Views: 649,338
Posted By HamishB
not that I know of, I assume they are just...

not that I know of, I assume they are just doubles AFAIK.



1852m/naut.mi * 60nm/degree gives you 111km/degree at the equator.
so 1e-9 degree is roughly about a millimeter there.



yeah...
Forum: OpenCPN 21-02-2010, 17:18
Replies: 2,880
Views: 649,338
Posted By HamishB
1e-9 degree works out to be about 0.1mm (at...

1e-9 degree works out to be about 0.1mm (at worst), or about one order of magnitude better than the best RTK GPS will give you.



I run into code about once a month that is buggy due to not...
Forum: OpenCPN 16-02-2010, 06:06
Replies: 2,880
Views: 649,338
Posted By HamishB
I just did a fn by fn review of georef.c in the...

I just did a fn by fn review of georef.c in the sf bug tracker ticket.
a lot of it is ok from public domain sources. but great circle stuff will have to be replaced AFAICT as the originating...
Forum: OpenCPN 16-02-2010, 05:02
Replies: 2,880
Views: 649,338
Posted By HamishB
hmmm. that non-commercial bit came from gpstrans...

hmmm. that non-commercial bit came from gpstrans after all, and gpstrans is based on an old+free version of the (now) commercial MacGPS. source code for old versions of both can be found at
Peter...
Forum: OpenCPN 16-02-2010, 04:44
Replies: 2,880
Views: 649,338
Posted By HamishB
.. parts of georef.c will need to be replaced...

.. parts of georef.c will need to be replaced anyway due to license issues. hmmm... I just noticed that the header lists 3 authors, one of which is gpstrans which I know to be DFSG compliant. So...
Forum: OpenCPN 16-02-2010, 03:05
Replies: 2,880
Views: 649,338
Posted By HamishB
could you further describe what we are looking at...

could you further describe what we are looking at there and what is wrong? (I don't know the software well)
130m looks shorter in the x than in the y?

what latitude are you at, what's the map...
Forum: OpenCPN 04-02-2010, 03:21
Replies: 2,880
Views: 649,338
Posted By HamishB
the missing term you are looking for is cos(lat)....

the missing term you are looking for is cos(lat).
see comments in the bug report.

also, I'll mention that you do need dpi, but it is not very easy to guess exactly. You can try to grab a value...
Forum: OpenCPN 25-01-2010, 08:50
Replies: 2,880
Views: 649,338
Posted By HamishB
(it's just the .deb package policy auto-checker,...

(it's just the .deb package policy auto-checker, apt-get install lintian && lintian package.deb)

for the long version see the Debian New Maintainers' Guide...
Forum: OpenCPN 25-01-2010, 04:41
Replies: 2,880
Views: 649,338
Posted By HamishB
I am curious to know if anyone has compared AIS...

I am curious to know if anyone has compared AIS support against the new AIS decoder from Gpsd?

Hamish
Forum: OpenCPN 24-01-2010, 08:54
Replies: 2,880
Views: 649,338
Posted By HamishB
.deb packaging

*cough*. up to my eyeballs in something or other anyway.

may I suggest to contact the UbuntuGIS team directly?
https://lists.osgeo.org/mailman/listinfo/ubuntu

beyond the Gsocket bug, what shape...
Forum: OpenCPN 24-01-2010, 02:44
Replies: 2,880
Views: 649,338
Posted By HamishB
(pardon the formatting in the previous message,...

(pardon the formatting in the previous message, I'm a plain ASCII sort of guy)
Forum: OpenCPN 24-01-2010, 02:40
Replies: 2,880
Views: 649,338
Posted By HamishB
Hello, Before starting to code on anything...

Hello, Before starting to code on anything myself I thought I would touch base and was wondering if you have kept in sync with Sylvain Duclos's libS52, or if you are still using an old version of...
Showing results 1 to 24 of 24

 
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