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Old 02-09-2018, 03:43   #1
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What do you do with your sailing log files? Building a service to view them

Hey all,

There seems to be a lot of tools onboard boats to collect data while sailing but not that many tools to actually do anything with that data. What do you do with your sailing log files today?

Finding nothing that I was really satisfied with, I have started working on a website to visualize sailing log files: www.chartedsails.com.



The goal here is to have a very easy to use web based service that supports all sailing log files and make it easy to store them, look at them and share them.

It can currently open GPX files (iNavX, inReach, etc), SignalK log files, Velocitek files (.vcc) and Expedition logs (.csv). If you have a file that does not open properly, I would really appreciate you sharing it with me so I can fix the code.

Right now, it is limited to displaying the data in a very basic format but I am working on more features. Your ideas and feedback will help me prioritize efforts!

So, what do you think?

cheers,
thomas
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Old 04-09-2018, 03:46   #2
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Re: What do you do with your sailing log files? Building a service to view them

Quote:
Originally Posted by sarfata View Post
So, what do you think?

cheers,
thomas
Looks really interesting

I couldn't get a signalk log file to load though, example line below.

Good luck with the project!

Code:
{"updates":[{"source":{"sentence":"RMC","talker":"GP","type":"NMEA0183","label":"OPkplex"},"timestamp":"2018-09-03T11:11:14.000Z","values":[{"path":"navigation.position","value":{"longitude":-7.944383333333334,"latitude":37.02137833333333}},{"path":"navigation.courseOverGroundTrue","value":0},{"path":"navigation.speedOverGround","value":0},{"path":"navigation.magneticVariation","value":0},{"path":"navigation.magneticVariationAgeOfService","value":1535973074},{"path":"navigation.datetime","value":"2018-09-03T11:11:14.000Z"}]}],"context":"vessels.urn:mrn:imo:mmsi:235090919"}
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Old 04-09-2018, 05:01   #3
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Re: What do you do with your sailing log files? Building a service to view them

I view them on their native systems: iNavX for the .gpx files; C-Maps PC Planner (ancient software) for the .xml from my old chart plotter. And wrote Python scripts to convert between the two formats.

Beyond that your idea would be fun - when friends have been out with us I’d like to be able to send them a file and say “load it into this website and you can see where we went.”
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Old 04-09-2018, 09:23   #4
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Re: What do you do with your sailing log files? Building a service to view them

Quote:
Originally Posted by conachair View Post
I couldn't get a signalk log file to load though, example line below.
Sorry, I will need to be more explicit about the signalk format. What the server is expecting is a filename ending in ".log" with lines that look like this:

Code:
1534356482104;I;{"context":"vessels.self","updates":[{"source":{"label":"NMEA0183.2","type":"NMEA0183","talker":"GP","sentence":"RMC"},"values":[{"path":"navigation.position","value":{"latitude":35.04852,"longitude":-76.62088}},{"path":"navigation.speedOverGround","value":1.039178},{"path":"navigation.courseOverGroundTrue","value":1.702569},{"path":"navigation.datetime","value":"2018-08-15T18:08:02.099Z"}]}]}
1534356482114;N;$IIMWD,191,T,202,M,4.64,N,2.39,M*43
1534356482205;N;$IIMWV,059,T,4.64,N,A*1F
1534356482209;I;{"context":"vessels.self","updates":[{"source":{"label":"NMEA0183.2","type":"NMEA0183","talker":"II","sentence":"MWV"},"values":[{"path":"environment.wind.angleTrueWater","value":1.029744},{"path":"environment.wind.speedTrue","value":2.387022}]}]}
The first field is the timestamp in milliseconds, second field is the type of line N for NMEA, I for SignalK Delta and A for Actisense NMEA2000.

This is what the SignalK node server records automatically.

Thanks for testing!
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Old 04-09-2018, 09:24   #5
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Re: What do you do with your sailing log files? Building a service to view them

Quote:
Originally Posted by AnglaisInHull View Post
I view them on their native systems: iNavX for the .gpx files; C-Maps PC Planner (ancient software) for the .xml from my old chart plotter. And wrote Python scripts to convert between the two formats.

Beyond that your idea would be fun - when friends have been out with us I’d like to be able to send them a file and say “load it into this website and you can see where we went.”
Thanks for the feedback. Have you tried opening your iNavX traces? Are you satisfied with the result?

Totally agree with sharing traces with friends. It's definitely coming next!

thomas
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Old 04-09-2018, 10:59   #6
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Re: What do you do with your sailing log files? Building a service to view them

The sk server default log format was designed to log data in raw format, prior to conversion to sk and include timestamps for all sources, including 0183.

The ’pure’ sk data that conachair has contains timestamps inline. Adding support for this kind of line oriented SK json should not be too much trouble.
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