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Old 18-09-2017, 09:23   #61
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Re: New Plugin NmeaConvertor

Thanks!

I am not at all ungrateful - far from it. Just a bit puzzled there is a depository of useful stuff that needs inside knowledge to access. A Google search came up with nothing useful ... ...

Maybe a link in the Ocpn beta plug-ins area would help?
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Old 18-09-2017, 16:46   #62
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Re: New Plugin NmeaConvertor

Quote:
Maybe a link in the Ocpn beta plug-ins area would help?
It could be linked there in the beta section. I will think about it and see what Mike R. thinks. There are others who want to keep it "under the radar" because it confuses new users, and sometimes makes debugging harder because programmers may not be sure what version is being used.
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Old 19-09-2017, 03:11   #63
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Re: New Plugin NmeaConvertor

Rick, thanks. I realise the files are your own compilations and they're much appreciated. I just didn't know where they are!

Indeed the NMEA plug-in would be very useful as a release.
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Old 19-09-2017, 11:40   #64
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Re: New Plugin NmeaConvertor

Could developers of plugins be encouraged to put a release on GitHub? If they are only working on Linux, perhaps Rick or myself could contribute an installer for Windows, sent to the developer to add to the release. This can be done via the forum.

In this way GitHub is the ultimate reference, with the GitHub releases tracking the current version of the plugin. And linked from the manual.

Mike
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Old 19-09-2017, 12:54   #65
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Re: New Plugin NmeaConvertor

Hello @all.
I am new here and I have some questions to the nmea converter plugin.
I have an VDO Logic wind System that sends only VWR-nmea0183-data.
So I like to use the nmea converter to translate the VWR sentence to MWV-data. For that, I thought it could be possible to use the heaviside function (hvi) to translate the "Left" or "right" info. Only...I don`t know, how to make a "R" or "L" to a number usable in the heaviside function.
Another question is, which nmea-data is used by the "true wind direction & Speed" dial?
Can anyone here give me some answers?

Thanks and best regards
Marcus
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Old 19-09-2017, 13:16   #66
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Re: New Plugin NmeaConvertor

https://opencpn.org/wiki/dokuwiki/do...nmea_sentences

Dashboard should be able to read your VWR.

Mike
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Old 19-09-2017, 13:29   #67
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Re: New Plugin NmeaConvertor

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Originally Posted by Rasbats View Post
https://opencpn.org/wiki/dokuwiki/do...nmea_sentences

Dashboard should be able to read your VWR.

Mike
Hi Mike, thats right. But the VWR data works only on the "relative windangle & Speed" dial. Not on the true wind dials.
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Old 19-09-2017, 13:34   #68
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Re: New Plugin NmeaConvertor

When I simulate a MWV sentence the "true wind angle & Speed" dial works also. But not the "true wind direction & Speed" dial.

Thanks for help
Marcus
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Old 19-09-2017, 13:46   #69
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Re: New Plugin NmeaConvertor

Stupid question. Do you have the VDO logic electronic compass installed? If so VDO can output true wind data in NMEA format.

Mike
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Old 19-09-2017, 14:03   #70
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Re: New Plugin NmeaConvertor

no, there is no compass in the vdo logic System. I have a nmea fluxgate compass that serves HDG data.
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Old 19-09-2017, 17:14   #71
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Re: New Plugin NmeaConvertor

Mike,
I think this makes a whole lot of sense, and I really appreciate that format, Jon, you and others have used it, but Sean doesn't really use that feature in Github at this point.

Would I be able to upload a beta release on my github, of a fork?
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Old 19-09-2017, 18:57   #72
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Re: New Plugin NmeaConvertor

Mike, I found it. Very clear to the right "Draft new release" on the first page of a forked repository.
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Old 20-09-2017, 09:01   #73
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Re: New Plugin NmeaConvertor

Hi Mediran.

I have had about the same situation as you, and wrote the following string to NMEA-converter to get a synthetic MWD-string.
Maybe you can use it right off or tweak it...

B.R.
Magnus Ohlsson
The string:
"$WIMWD,$IIHDT1+$WIMWV1-360*INT(($IIHDT1+$WIMWV1)/360),T,$IIHDT1+$WIMWV1-360*INT(($IIHDT1+$WIMWV1)/360),M,$WIMWV3,$WIMWV4,3.6,M"
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Old 24-11-2017, 23:02   #74
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Re: New Plugin NmeaConvertor

Hi,

Trying to get TWS and TWA with the formula below but looks like acos is not calculating. Can somebody help?

Thanks,

zzz

$XXMWV,$WIMWV1+180*acos(
(sqr($WIMWV3)+sqr($GPRMA8)+sqr($WIMWV3)-2*$GPRMA8*$WIMWV3*cos(($WIMWV1)*3.14159265/180)-sqr($GPRMA8))/
(2*sqrt(sqr($GPRMA8)+sqr($WIMWV3)-2*$GPRMA8*$WIMWV3*cos(($WIMWV1)*3.14159265/180))*$WIMWV3)
)/3.14159265,T,sqrt(sqr($GPRMA8)+sqr($WIMWV3)-2*$GPRMA8*$WIMWV3*cos(($WIMWV1)*3.14159265/180)),K, A
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Old 26-11-2017, 02:41   #75
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Re: New Plugin NmeaConvertor

Looks like a couple of () were missing. Below should be correct one;

WIMWV1+180*acos((sqr(WIMWV3)+(sqr(GPRMC7)+sqr(WIMW V3)-2*GPRMC7*WIMWV3*cos(WIMWV1*3.14159265/180))-sqr(GPRMC7))/(2*sqrt(sqr(GPRMC7)+sqr(WIMWV3)-2*GPRMC7*cos(WIMWV1*3.14159265/180))*WIMWV3))/3.14159265,


Will try when Iíll be on board.

Thanks,
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