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Search: Posts Made By: shipahoy
Forum: OpenCPN 20-03-2023, 00:32
Replies: 3
Views: 574
Posted By shipahoy
Re: Navigate to a lat/long rescue

You can also do it in this order:
- Right click anywhere on the chart->Drop Mark
- Right click on the mark, and "Navigate to this"
- Double click on the mark, and enter the Lat/Long, and you will...
Forum: OpenCPN 17-02-2023, 02:53
Replies: 5
Views: 738
Posted By shipahoy
Re: opencpn Charts

Does it not have a USB-C port? If it does you can use this: https://www.aliexpress.com/item/1005001670736888.html
Forum: OpenCPN 17-02-2023, 00:42
Replies: 5
Views: 738
Posted By shipahoy
Re: opencpn Charts

Don't use outdated maps for navigation. The map of Spain including the Canarian Islands costs only 16.90 €.
https://o-charts.org/shop/en/oesenc/15-es.html
Forum: OpenCPN 22-12-2022, 03:35
Replies: 92
Views: 6,579
Posted By shipahoy
Re: Plotting Questions; Radar ranges; magnetic compass bearings; positions on Open CP

I have a radar, but it is not connected to OpenCPN.

The jamming has been much further north than I live, so I have no first-hand experience. I believe that the other types of GNSS are less...
Forum: OpenCPN 15-12-2022, 22:36
Replies: 92
Views: 6,579
Posted By shipahoy
Re: Plotting Questions; Radar ranges; magnetic compass bearings; positions on Open CP

When the GPS-position and the map don't agree, it is usually the map which is inaccurate. Many of the surveys are much older than the GPS-system.

It is however becoming more and more frequent...
Forum: OpenCPN 04-10-2022, 22:25
Replies: 5
Views: 1,174
Posted By shipahoy
Re: OpenCPN on Ipad Pro 11

No need to add a laptop. An android tablet will do :thumb:
Forum: OpenCPN 02-08-2022, 04:52
Replies: 3
Views: 456
Posted By shipahoy
Re: Spurious track points when merging

I was not aware that I could merge the tracks in OpenCPN before now :thumb:.
I have previously exported GPX and edited the file, and I get this behaviour if I merge the tracks in the wrong order...
Forum: OpenCPN 01-07-2022, 08:09
Replies: 60
Views: 6,102
Posted By shipahoy
Re: Radar recommendation

Sailed 82 nm along the coast of Norway last night. Even if the visibility was good, radar was very helpful. I detected all boats on the radar before I could see them. Only about half of the boats...
Forum: OpenCPN 24-06-2022, 08:37
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

The reason i had set a high tacking time was that when sailing along the shore i need small timesteps i order to not get "stuck" in the islands. Then the I got routes with tack every 15 min, and that...
Forum: OpenCPN 24-06-2022, 03:04
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

I guess there should be a time penalty for jybing as well?
Forum: OpenCPN 23-06-2022, 23:07
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

Should it be += for the time penalty in line 820 in the following file?
https://github.com/seandepagnier/weather_routing_pi/blob/master/src/RouteMap.cpp

/* did we tack thru the wind? apply...
Forum: OpenCPN 23-06-2022, 22:42
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

I was not able to reproduce the error with tacking time set to 0.
Attached is the simplest example I could think of that shows the error. In this example I am using Climatology and going downwind....
Forum: OpenCPN 23-06-2022, 14:22
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

I tried now on another PC, and made a polar with just 5 knots for all wind speeds and angles.
When sailing downwind I got 5 knots average and max as expected, but when sailing into the wind the...
Forum: OpenCPN 23-06-2022, 13:17
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

I expect that I have done something wrong with my settings, but I cannot see what the problem is...

Can you check the maximum boat speed of the route?

The first strange thing I discovered was...
Forum: OpenCPN 23-06-2022, 00:45
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

I get a bit confused by my weather routing results. The boat speed is much higher than the one I specified in the polar. See the example below. This is a simple polar for motoring with max speed of 7...
Forum: OpenCPN 13-06-2022, 22:10
Replies: 2,451
Views: 369,429
Posted By shipahoy
Re: Weather Routing

I have the same issue for many programs on Windows.
My quick fix for Weather Routing is to delete the following from the [PlugIns/WeatherRouting] section of opencpn.ini:
SettingsDialogX=-753...
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