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-   -   Tides and Currents (http://www.cruisersforum.com/forums/f134/tides-and-currents-125492.html)

everheugd 02-05-2014 02:03

Tides and Currents
 
I have Open CPN version 3.2.2 on both my solid state computer and my laptop. As for the charts, I use the VisitMyHarbour chartstick containing charts for the UK and the Netherlands.
However, I fail to obtain the Tides and Currents information on the charts .
As for the currents, I added the datasets available on Flaterco.com.
Can anybody help?

George64 10-05-2014 08:12

Re: Tides and Currents
 
Would be interested to know if you have solved the issue.

everheugd 10-05-2014 09:02

Re: Tides and Currents
 
No, I didn't .
Would be nice if OpenCPN would give tides and currents :).

cagney 10-05-2014 09:06

Re: Tides and Currents
 
Quote:

Originally Posted by everheugd (Post 1531579)
I have Open CPN version 3.2.2 on both my solid state computer and my laptop. As for the charts, I use the VisitMyHarbour chartstick containing charts for the UK and the Netherlands.
However, I fail to obtain the Tides and Currents information on the charts .
As for the currents, I added the datasets available on Flaterco.com.
Can anybody help?

Xtide is no longer issuing regular updates for the non-free dataset, that included the Netherlands. The best to do for now, is to download the latest non-free.tcd from Flaterco's ftp site(~2011-2012). Currents are not available in these data.

Thomas

CarCode 10-05-2014 09:08

Re: Tides and Currents
 
Ever tried Harmonic V8 as supplementary Harmonic in OpenCPN?
See: http://www.cruisersforum.com/forums/...tml#post975814

Gerhard

everheugd 10-05-2014 11:06

Re: Tides and Currents
 
Harmonic V-8 works:whistling:
Thanks to all!!

George64 10-05-2014 23:54

Re: Tides and Currents
 
Is there any update available of the Harmonic data?

everheugd 11-05-2014 00:32

Re: Tides and Currents
 
Not that I know. I used the one given by Carcode, EV

Gilletarom 11-05-2014 01:03

Re: Tides and Currents
 
hello Everheugd,

Quote:

Originally Posted by everheugd (Post 1537840)
No, I didn't .
Would be nice if OpenCPN would give tides and currents :).

If you speak french, here explanation for the TCurrent plugin of VisitMyHarbour.

VisitMyHarbour, les courants

everheugd 11-05-2014 09:07

Re: Tides and Currents
 
Hello Gilletarom,

Thank you very much! I had already discovered the VisitMyHarbour currents (we use their chartstick too), and had installed the portable version of Open CPN next to my own version, which is indeed not practical at all.

So, your guidelines came exactly on time :thumb:

I copied the tcurrent_pi.ddl in the plugin map, and the other three in teh main directory. In OpenCPN I then installed the plugin, and the yellow arrow shows up in the menu.
However, when I click on the yellow arrow, it says: No tidal data.
Nevertheless, I get the numbers and arrows on my screen (the first time there were strange numbers such as 580 (degrees). And the whole program stopped when I tried to change something in the Tidal Current Control menu.
After restarting it seems to work, but I still get the No tidal data message.

Two questions:
-did I do anything wrong?
-is it possible to have this plugin next to the V-8 harmonics? (these are practical too since they give the tides of a number of main ports.

Thanks again for replying to my post!! everheugd

Gilletarom 11-05-2014 11:41

Re: Tides and Currents
 
Hello everheugd,

Quote:

Originally Posted by everheugd (Post 1538577)
Hello Gilletarom,

Two questions:
-did I do anything wrong?
-is it possible to have this plugin next to the V-8 harmonics? (these are practical too since they give the tides of a number of main ports.
everheugd

Hello,

The use of harmonic V8 file is independent of the plugin VisitMyHarbour (VMH).
Since it seems that the French language will be known, see these three web pages:
- Mar?es, mar?gramme
- Affichage des courants
- Mar?es, Courants : Int?grer des donn?es externes

You can view the data of harmonic V8, with the usual two buttons of OpenCPN.

In addition, by installing the plugin VMH as explained in the link of my previous post, you will VMH data by clicking on the icon Plugin VMH.
But I have a doubt:
- The plugin window of VMH is she open?
- If yes, did you choose a port (in the list of ports reference) for your navigation area?

Otherwise, I do not know help you more because my PC with Tcurrent is down. So I can not do the test.

If not yet, it will send an email to VHM. To do this, make contact with them by using the "contact us" function of the website VHM.

Best regards, Gilletarom.

Rasbats 11-05-2014 12:22

Re: Tides and Currents
 
Everheugd ...

As the developer behind tcurrent I would like to find out why your installation of the dll did not work.

Could you post which operating system you are using?

Thanks.

Mike

Rasbats 12-05-2014 01:26

Re: Tides and Currents
 
The tcurrent plugin from VisitMyHarbour (VMH) finds the tidal data for the reference ports from the standard harmonic data installed with OpenCPN (folder tcdata). It uses the port names in those tcdata files.

Harmonic V8 uses French words such as Angleterre instead of England in the port name information. If V8 has replaced the original tcdata files the tcurrent plugin will not be able to find the port - hence 'NO TIDAL DATA'.

Harmonic V8 has a lot of useful information but the V8 tidal stream (current) data is rectilinear, eg a set of 072 or 252. The VMH data is based on UKHO tidal diamond information and covers sets in all directions. This is particularly evident in areas such as the Channel Islands.

everheugd ... Could you test tcurrent by reverting to the standard OpenCPN harmonic data. If you have the unchanged VMH standalone version you could use the tcdata harmonic files from that program.

Gilletarom ... Only just seen your guide to moving the VMH plugin to a standard distribution of OpenCPN. Great work. Perhaps you could add a caution about using harmonic V8 with tcurrent.

The tcurrent plugin is available as a free trial (xxx days):

UK Tidal streams utility. Download Now, free trial. : by VisitMyHarbour [Charts for OpenCPN and Polar Navy] - VisitMyHarbour articles

Feedback is always welcome.

Mike

everheugd 12-05-2014 01:34

Re: Tides and Currents
 
Information very useful!!

Now, I installed both tcurrent and the V-8 harmonics.
Everything seems to work within my own Open CPN version (I copied the plugin and the relevant files from the portable version offered by VMH). My operating system is Windows-7.

However: when I click on the yellow arrow, I get the mention "No tidal data".
Nevertheless, I get the window where I can choose a reference port although it looks a little bit different then in the portable version, e.g. I cannot choose anything in the menu Select High Water. But I can using the blue arrows.
What is furthermore strange is that sometimes the tidal data seem to be correct, sometimes I get tidal streams of only 0,0 or 0,1 knots where I should get higher rates. Or only very few tidal data although I have chosen Dover as the port of reference.

Anyway right now everything is perfect, despite the mention No tidal data.

Gilletarom 12-05-2014 01:38

Re: Tides and Currents
 
Hello Mike,

Thank for this :

" Re: Tides and Currents
The tcurrent plugin from VisitMyHarbour (VMH) finds the tidal data for the reference ports from the standard harmonic data installed with OpenCPN (folder tcdata). It uses the port names in those tcdata files."

B.R. Gilletarom.


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