Using OpenCPN


johnacord
 

Hello all.  Learning here about how to use OpenCPN.  For reference, Ver.5.2.4 on Windows 7.  (Also have OpenCPN on an Android tablet)

Have created a route, learned how to edit, save, name it, activate and deactivate.  All this using the users manual.

Created a second route which at some points overlaps the first one and saved it.   Both routes are displayed. Now I want to hide one of them  Why?  Different current conditions.  I cannot, either by trying things or consulting the user manual how to hide/show a route.  I do not want to delete either of them.

Any advice from you savvy users?  Would also want to know if this is possible with OpenCPN on a tablet.

John Acord


 

I hope Bob is reading this...

I'll try it out on OpenCPN Android and see what happens.

BTW, is there a manual ANYWHERE for OpenCPN 5.x for Android?

On 8/27/2021 10:32 AM, john a wrote:
Hello all.  Learning here about how to use OpenCPN.  For reference, Ver.5.2.4 on Windows 7.  (Also have OpenCPN on an Android tablet)
Have created a route, learned how to edit, save, name it, activate and deactivate.  All this using the users manual.
Created a second route which at some points overlaps the first one and saved it.   Both routes are displayed. Now I want to hide one of them Why?  Different current conditions.  I cannot, either by trying things or consulting the user manual how to hide/show a route.  I do not want to delete either of them.
Any advice from you savvy users?  Would also want to know if this is possible with OpenCPN on a tablet.
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Eccentricity has always abounded when and where strength of character has abounded; and the amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigor, and moral courage which it contained. (John Stuart Mill)
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Mark Neuhaus
 

Hi John,

On Fri, Aug 27, 2021 at 10:32 AM johnacord <jcacord@...> wrote:

Created a second route which at some points overlaps the first one and saved it.   Both routes are displayed. Now I want to hide one of them  Why?  Different current conditions.  I cannot, either by trying things or consulting the user manual how to hide/show a route.  I do not want to delete either of them. 
 
Same version on winXP for me.

I used the "create route" tool on the drop down bar to make two short routes near Newport.  When I go to the "Tools" --> "Route  & Mark Manager" at the top menu bar, under "Routes" it shows my two routes.  I click on the "eyeball" on the left and it changes to an X-ed out eyeball and the route is no longer seen on the map.  Is that what you wanted to do?

Mark


 

What mark said, on my PC. Works the same in OpenCPN Android 5.x.

On 8/27/2021 3:51 PM, Mark N wrote:
...
I used the "create route" tool on the drop down bar to make two short routes near Newport.  When I go to the "Tools" --> "Route  & Mark Manager" at the top menu bar, under "Routes" it shows my two routes.  I click on the "eyeball" on the left and it changes to an X-ed out eyeball and the route is no longer seen on the map.  Is that what you wanted to do?
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Bob Larkin
 

Good Morning All - John W, as Mark N described works for me with Route visibility.  This was with Linux, OpenCPN 5.4.2, but I think it works on the tablet.

John K - The Play Store on Android has the Dave Register app "OpenCPN User Manual."  It does not seem to have been customized for Android Tablets, but does have information that applies.

Different topic of chart selection.  On the laptop, the chart tabs at the bottom show full chart descriptions when you mouse-over a tab.  This makes chart selection easy and I run without quilting to have control over what I see.  But, on the tablet, there is no mouse-over .  The only way I have been able to use this is to put small collections of charts into directories (quite a few directories).  Then Tools/Charts allows the proper directory to be found and a chart rebuild is easily done.  For instance, for the Yaquina R. and Newport, I have a directory with 18003, 18581-1 and -2 plus John K's topo maps for the upper river, -3 and -4.  The 18003 prevents blank areas outside the detailed charts so you know where you are.  This makes 5 tabs show at the most.  If you choose to do quilting, this usually gives the result you want.  Q: Does anyone have a better way?  The goal is to not spend time, on the water, hunting for the right chart.


Bob Larkin
 

Just learned something:  For the tablet version, if you hold down on the chart tab, at the bottom, it shows the chart data, and highlights the chart area in red tint.  This seems to work well!  I still would not want too many charts in the directory. 

Be careful to let one data box go away before holding down a second.  I managed to get three open at once and no way to get rid of them.

Bob


johnacord
 

Thanks Guys.  All that works on my Samsung tablet as described.  Perhaps I'm a bit dense, should have recognized what the "eye" was for......

I have also used multiple chart collections into directories and select the one I want, as Bob described.  I wanted to try some Vector charts .

John A.


johnacord
 

The Tides & Currents that came with are good but missing a fair number of stations.  Noticeably behind Whidbey Is. and South Sound.  Are there better ones?

John


 

For what it's worth, the tides and current predictions that come with OpenCPN for Android are derived from the same harmonic data WXTide uses.

"The tide and current harmonic data contained herein are derived from the corresponding XTIDE harmonic data.
The file data have been tweaked to work nicely in the US, especially fixing current direction reporting.
We have also added additional global tide stations, and corrected calculation/display units where sensible.
A generic XTIDE harmonic file set will be functional, but less useful than the harmonic data packaged with OpenCPN."

"# Note: This file is automatically generated by Tide2idx version 2.1 (2002-02-06)
# and distributed as part of the free WXTide32 program located at http://WXTide32.com
# Please do not modify this file unless you know EXACTLY what you're doing!"

"OpenCPN comes with a built in tidal data file, but can use any legacy IDX or binary tcd file. Multiple tidal files can be used at the same time. More about this further down this page." (from the manual below)

https://opencpn.org/wiki/dokuwiki/doku.php?id=opencpn:opencpn_user_manual:toolbar_buttons:tides_and_currents

On 8/28/2021 1:14 PM, john a wrote:
The Tides & Currents that came with are good but missing a fair number of stations.  Noticeably behind Whidbey Is. and South Sound.  Are there better ones?
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WXTide on my PC has three current stations in Skagit Bay, while OpenCPN on the PC only shows one...

On 8/28/2021 1:14 PM, johnacord wrote:
The Tides & Currents that came with are good but missing a fair number of stations.  Noticeably behind Whidbey Is. and South Sound.  Are there better ones?
John
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Mark Neuhaus
 



On Saturday, August 28, 2021, johnacord <jcacord@...> wrote:

I have also used multiple chart collections into directories and select the one I want, as Bob described.  I wanted to try some Vector charts .
 
I, too, have sub-directories of charts of different areas. And would just go into the chart selection box and add the ones I wanted and remove those I didn't want.

But just this morning I decided to take a look at Opencpn's 'chart groups' and see how that works. Sorta slick from a quick dabble at it. You can have a whole directory of charts available and then make several chart groups of selected charts. Only one group at a time is visible, so you can control the clutter on the screen and switch groups at a push of a button.  Anybody played with this feature and can add hints or warnings?

Mark


johnacord
 

From John's link about tides;

It is possible to add/modify Harmonics data. First get the latest version, might be V10, and then add a line for the new location into the section of that country into the file HARMONIC.IDX

Reading the HARMONIC.IDX,  it is a text file of locations.  One should be able to add entries.  I will give it a try and see if it works or if it breaks it :-) 

John A.


 

Thanks, John! I had trouble unpacking the .tar file from the XTide Web site, but the .tcd file you attached works fine. I just removed the harmonic file that came with OpenCPN from the choices in the config menu and added the one from XTide. :o)

We don't have much storage space for files, photos and attachments from groups.io, so I'm gonna delete the Big file you attached. I've put it, with a more descriptive name, here:

http://www.coots.org/Tides/

I didn't have any trouble finding the harmonic file directory on my ancient (2016) Samsung tablet. In the internal storage:

Android/data/org.opencpn.opencpn/files/tcdata

OpenCPN opened to the directory when I went to change the harmonic file it was using, but I may have accesssed that directory sometime since I installed OpenCPN...

On 8/29/2021 9:09 AM, John a wrote:
Of course if you can find another Harmonic file.....
https://flaterco.com/xtide/files.html#harmonicsfiles The file is in a compressed folder so you will have to extract the file itself.  I've attached the file, hopefully it will get through(big file).
Also on the page is a list of all the stations.  Lots of them!
Once you have the file it is just a matter of adding the file (dataset) in the Tides & Currents settings.  If you leave the original file you will have a lot of duplicates, so you will probably want to remove it. Removing it does not delete the file, just quits using it.  With Android you may want to copy the location of the original file;  my file manager would not see the file location.
...
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John <jkohnen@...>
Literally no man has more wholly outlived life than I. And still it's good fun. (Robert Louis Stevenson)
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Trying to delete just the Big attachment, I managed to delete John's whole message! <sigh> Here it it is, for posterity, minus the file, which is now here:

http://www.coots.org/Tides/

-------- Forwarded Message --------
Subject: Re: [oregoncoots] Using OpenCPN
Date: Sun, 29 Aug 2021 09:09:07 -0700
From: johnacord <jcacord@...>
Reply-To: oregoncoots@groups.io
To: oregoncoots@groups.io



Of course if you can find another Harmonic file.....

https://flaterco.com/xtide/files.html#harmonicsfiles <https://flaterco.com/xtide/files.html#harmonicsfiles>

The file is in a compressed folder so you will have to extract the file itself.  I've attached the file, hopefully it will get through(big file).

Also on the page is a list of all the stations.  Lots of them!

Once you have the file it is just a matter of adding the file (dataset) in the Tides & Currents settings.  If you leave the original file you will have a lot of duplicates, so you will probably want to remove it.  Removing it does not delete the file, just quits using it.  With Android you may want to copy the location of the original file;  my file manager would not see the file location.

Attached is a screenshot of tides for Portland area.  Several more than what came with OpenCPN.  :-)

John A.

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John <jkohnen@...>
Bad men need nothing more to compass their ends, than that good men should look on and do nothing. (John Stuart Mill)



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