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Old 21-10-2010, 03:21   #1
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GPX Chart Work

I'm new to open CPN, have it working with CM93, seems to work well.
On the CPN website is an article on GPX-Chart Work, anyone tried this, how do you get it to work with CPN, I'm having no luck at all with it. Any help would be appreciated
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Old 21-10-2010, 08:34   #2
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I tried the GPX utility with OpenCPN. Could not figure it out, No instructions anywhere, No one answered my requests for help. It made a mess of my CPN charts, cant remove the data from the charts.
I uninstalled it and burned the link. I think its a piece of crap.
I recommend you stay away from the GPX utility.

OpenCPN is wonderful
Funsail29
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Old 21-10-2010, 11:31   #3
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nigel1

As mentioned in the text on the Planning Data | Official OpenCPN Homepage
these are ruby scripts. To run them you have to install ruby, a multi-platform scripting language. Once ruby is installed just run the scrips from the command line with no arguments and some help will come up.
Alternatively open the scrips in a text editor and read how the scripts are supposed to be used.
I have just tested these scrips on the latest beta, using Ubuntu 10.4.
Please describe your problem, and I'll try to help out.

Thomas
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Old 21-10-2010, 13:40   #4
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dear Funsail29, I am the author of Chart Work, sadly today only runs under Windows.
Great Circle and Composite Routes | Official OpenCPN Homepage
Celestial Navigation | Official OpenCPN Homepage
Coastal Navigation | Official OpenCPN Homepage

Quote:
Originally Posted by Funsail29 View Post
I tried the GPX utility with OpenCPN. Could not figure it out, No instructions anywhere
· at Ayuda en español OpenCPN there are instructions in spanish. If someone wants to translate it into English will be welcoming. I have no time, sorry.
· In the installation directory you have a little help in english: Chart Work.pdf, and a tutorial with some examples about coastal, GC and celestial navigation. (I assume that whoever uses the program knows about navigation).
· But is very easy: run Chart Work.exe, do what you want, and the file is generated in the installation directory (ex: 20101021212937 bearing 35.gpx) and use it as an input for OpenCPN (GPX in Version 2.1.0 Build 624a and route manager in beta version)

Quote:
Originally Posted by Funsail29 View Post
No one answered my requests for help.
I have read this now.

Quote:
Originally Posted by Funsail29 View Post
It made a mess of my CPN charts, cant remove the data from the charts.
delete first way points and 2nd routes in Version 2.1.0 Build 624a and use Route Manager in beta.

Quote:
Originally Posted by Funsail29 View Post
I uninstalled it and burned the link. I think its a piece of crap.
I recommend you stay away from the GPX utility.
I hope that with this information if you are willing to try again, change your mind, in the tutorial you illustrative examples of its usefulness.
And please, a little respect ...
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Old 22-10-2010, 04:28   #5
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I have downloaded Ruby, but I'm no computer expert, so I really have no idea where to start with either Ruby scripts or Chart Work.
On the open cpn website are images of Open CPN showing GPX In and GPX out buttons, these do not show on cpn I am using (Beta version)
Some simple explanations on how to work with these programs would be much appreciated.
Andre, I cannot find the tutorial on your program, is it hidden away somewhere?
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Old 22-10-2010, 05:33   #6
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Nigel,
cagney's ruby scripts and Andres' utilities are two different things. To use the later you have to be using Windows, to use the former you can use any operating system but have to have Ruby installed and be a little familiar with using command line tools.

In the OpenCPN 2.2 beta versions the GPX functionality is integrated in the Route/Waypoint Manager dialog (The buttons down on the left in the dialog)

To run cagney's scripts install ruby, download the archive, unpack it somewhere, open shell (run cmd.exe on Windows), cd into that directory,
to get help on usage try one of the following:
Code:
ruby gc.rb
ruby ShipWxRep.rb
ruby TC.rb
And then follow the instructions so you get to for example
Code:
ruby gc.rb 10 10 20 20
Which produces a GPX file you can import to OpenCPN.

Note: at least on Windows ruby is not happy with the 3 characters at the beginning of gc.rb (from GPX_utils_100628.zip) - unicode problem, just delete them in your editor of choice.

To install Chart Work, download the archive (link on Andres' website), unpack it and run setup.exe in Navigational Algorithms.Setup\Volume folder.
On my computer the default location to which it wants to install is C:\Windows\NavigationalAlgorithms\chart work and everything can be later found in this location - the pdf documentation as well as the produced GPX files. Have a look at the docs and try clicking here and there and watch the contents of the installation folder - you will start to understand the GUI after a while...

Pavel
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Old 22-10-2010, 06:20   #7
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Thanks Pavel, not so sure about ruby, but at least I've managed to get Chart work going and importinn the gpx files to cpn.
On the subject to gpx files, is it possible to convert GPX files to RTE files for use with raymarine plotters??
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Old 22-10-2010, 06:34   #8
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My idea is, with time, to implement a plugging for GC sailing, coastal navigation and celestial navigation.
Still trying to compile OpenCPN Project under windows.
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Old 22-10-2010, 06:47   #9
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Still trying to compile OpenCPN Project under windows.
Andres,
did you have a look at Compiling the Source in Windows | Official OpenCPN Homepage? The guide kind of proved working for everybody until now. If you have any problems let me know and I will try to find a solution and update the wiki accordingly. The only change required with the latest git source is that you have to compile the Unicode version of wxWidgets.

Pavel
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Old 22-10-2010, 06:48   #10
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On the subject to gpx files, is it possible to convert GPX files to RTE files for use with raymarine plotters??
Nigel,
AFAIK GPSBabel: convert, upload, download data from GPS and Map programs should be able to convert at least the waypoints. And perhaps Raymarine C-Series Waypoint and Route Import + Export could help a little bit as well

Pavel
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Old 22-10-2010, 06:48   #11
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Still trying to compile OpenCPN Project under windows.
If I can help you with this ..., feel free to contact me.

Gunther
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Old 22-10-2010, 06:59   #12
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Quote:
Originally Posted by nohal View Post
Nigel,
AFAIK GPSBabel: convert, upload, download data from GPS and Map programs should be able to convert at least the waypoints. And perhaps Raymarine C-Series Waypoint and Route Import + Export could help a little bit as well

Pavel
Thanks Pavel, I just returned to this thread to say I had found gpsbabel, and have successfully transferred routes from opn cpn to raymarine.

Many thanks
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Old 02-11-2010, 15:07   #13
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Calling for collaboration

If anyone wants to collaborate in developing a "Chart Work" Chart Work | Official OpenCPN Homepage plugin for OpenCPN, feel free to e-mail me.
Firstly, I am thinking in a module as the program "Chart Work.exe" is. Using OCPN entities, no with gpx files for input.
Including:
Coastal navigation
- Bearing
- Range
- Horizontal angle
Celestial navigation
- Marcq Saint Hilaire Line of Position
- Circles of position or Circles of equal altitude
Route/Sailings
- Great Circle
- Composite saliling

Improvements could be implemented in the future.

I understand the collaboration in a way to integrate my code into OCPN using the plugin-library .

Thanks!
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Old 14-11-2010, 03:32   #14
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Gunter, have you received the message of 08/11/2010, about German translation?
Is it in to your spam box?
Andrés
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Old 14-11-2010, 04:02   #15
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I have tested ChartWork with OpenCPN 2.2.1111 and is much better: faster to import using the "Route Manager" and to clear the routes imported no problem, good job!
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