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Old 28-01-2015, 16:48   #226
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Re: OpenCPN Version 4.0 Released

Did anyone has ever thought of creating a part or plugin for producing an Estimated time to destination or best time of departing a place or crossing an area?
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Old 28-01-2015, 17:32   #227
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Re: OpenCPN Version 4.0 Released

Estimated time to destination ( ETA) is already implemenyed. -> create a route to your destination and activate it, and you will see ETA in the route box on the display.
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Old 28-01-2015, 18:43   #228
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Re: OpenCPN Version 4.0 Released

Does it take the current into consideration?
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Old 29-01-2015, 00:11   #229
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Re: OpenCPN Version 4.0 Released

Quote:
Originally Posted by marinux View Post
I have no found occurences about this trouble:
Display raster charts with V4.0 is very bad - unusable.

Bon vent, belle mer
Frank,

did you take into account that raster charts are pre-processed when used the first time under 4.0?
Depending on the number of charts and the machine used this can take a lot of time and OpenCPN seems not to respond.

Hubert
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Old 29-01-2015, 01:40   #230
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Re: OpenCPN Version 4.0 Released

Quote:
Originally Posted by P_Dub View Post
Did anyone has ever thought of creating a part or plugin for producing an Estimated time to destination or best time of departing a place or crossing an area?
Maybe not the right thread, so just a short answer:

Yes, I did, and I am using it daily... Route Planning with GRIB - Work in Progress
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Old 29-01-2015, 06:29   #231
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Re: OpenCPN Version 4.0 Released

Is there a way to move chart cache and other OpenCPN data to another location (SSD) ?

Thanks,
JM.
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Old 29-01-2015, 06:50   #232
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Re: OpenCPN Version 4.0 Released

JM...
I suppose you are still on Linux...
Code:
mv ~/.opencpn/raster_texture_cache /wherever
ln -s /wherever/raster_texture_cache ~/.opencpn/raster_texture_cache
Pavel
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Old 29-01-2015, 07:06   #233
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Re: OpenCPN Version 4.0 Released

Quote:
Originally Posted by PjotrC View Post
Maybe not the right thread, so just a short answer:

Yes, I did, and I am using it daily... Route Planning with GRIB - Work in Progress
What I meant is one like the nobeltec programm, using current and tide, when available. With this you can have a much better approach, specially for craft of low speed.
See the attach picture.
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Name:	ETA Calculator.png
Views:	119
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ID:	96208  
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Old 29-01-2015, 07:32   #234
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Re: OpenCPN Version 4.0 Released

Quote:
Originally Posted by NahanniV View Post
Is there a way to move chart cache and other OpenCPN data to another location (SSD) ?

Thanks,
JM.
Keep in mind, different machines may use incompatible caches as the compressed format can be one of 3 possible.

Quote:
Originally Posted by bcn View Post
Frank,

did you take into account that raster charts are pre-processed when used the first time under 4.0?
Depending on the number of charts and the machine used this can take a lot of time and OpenCPN seems not to respond.

Hubert
I didn't think the cache was enabled by default.

Quote:
Originally Posted by P_Dub View Post
Does it take the current into consideration?

What I meant is one like the nobeltec programm, using current and tide, when available. With this you can have a much better approach, specially for craft of low speed.
Try the weather routing plugin.
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Old 29-01-2015, 08:26   #235
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Re: OpenCPN Version 4.0 Released

Try the weather routing plugin.[/QUOTE]

Well it is good up to a certain point, but not quite what it is or should be rquired. You must have something that will take into account the current, when the arrows predictions are available in tidal rivers mainly. We are working on that at the moment, but only for a given place in particular.
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Old 29-01-2015, 09:17   #236
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Re: OpenCPN Version 4.0 Released

P Dub re weather_routing
Quote:
You must have something that will take into account the current, when the arrows predictions are available in tidal rivers mainly. We are working on that at the moment, but only for a given place in particular.
Weather_routing uses current from Climatology which are known large scale currents, such as Gulf Stream, however it does not use Tidal currents. I am unaware of such a development, but have suggested that tidal current could possibly be transformed to a grib format which might make it easier to include in the tidal current calculations. I am sure Sean would welcome any patch of such nature and review and improve it.
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Old 30-01-2015, 12:51   #237
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Re: OpenCPN Version 4.0 Released

Bonsoir,

Here are the same charts on 3.3.2 and 4.0.0, same PC, same OS...

Other: I have put a link to this chart:

http://download.tuxfamily.org/xinuto...O_PARNAIBA.KAP

It come from Official Brasil Hydrographic service (free download). You can download (small, 1.5Mo) and try it. For me, it appear only with 3.x version. No detected with 4.x (user config unchanged).
Attached Thumbnails
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Name:	Rasters-OCPN-3.2.2.jpg
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ID:	96273   Click image for larger version

Name:	Rasters-OCPN-4.0.jpg
Views:	110
Size:	406.8 KB
ID:	96274  

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Name:	DA_BAIA_DO_OIAPOQUE_AO_RIO_PARNAIBA.KAP-OCPN-322.png
Views:	103
Size:	178.0 KB
ID:	96275  
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Old 30-01-2015, 14:29   #238
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Re: OpenCPN Version 4.0 Released

Quote:
Originally Posted by marinux View Post
Bonsoir,

Here are the same charts on 3.3.2 and 4.0.0, same PC, same OS...

Other: I have put a link to this chart:

http://download.tuxfamily.org/xinuto...O_PARNAIBA.KAP

It come from Official Brasil Hydrographic service (free download). You can download (small, 1.5Mo) and try it. For me, it appear only with 3.x version. No detected with 4.x (user config unchanged).
Frank...
The problem with the Brasilian KAP is obvious, the datum is empty:
Code:
KNP/SC=1159563,GD=,PR=Mercator,PP=0.000000,PI=0.000000,SK=0.000000,TA=90.000000
It is a bug in OpenCPN 4.0 - refer to FS#1683 : Forgotten GD case

Are you sure the other charts showing the distortion are Brazilian? Which ones and from where can I download them? Seem missing from my very recent set of their charts...

Thanks

Pavel
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Old 30-01-2015, 14:40   #239
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Re: OpenCPN Version 4.0 Released

OK Pavel,
I make a selection of example charts with trouble and put a link to download in 24/48H.
Thanks
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Old 30-01-2015, 14:48   #240
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Re: OpenCPN Version 4.0 Released

Frank...
Many thanks. When you find a problematic chart, first of all have a look into the logfile - there should be some clues.

Pavel
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