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Old 01-03-2015, 13:48   #1
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Route Export/Import Problem

Hello all, I have searched for the issue I'm experiencing, but can not find anything. This leads me to believe the problem is user-error, but hopefully someone can shed some light.

I just recently started using/testing OpenCPN v4.0.0 on Windows 7 x64 SP1. I loaded up several chart groups, including an ENC set and the accompanying RNC set. I decided to plot a route using the ENC set by setting rough waypoints from start to finish using small detail zoom, then went in to a larger detail view and fine tuning by inserting/dragging new waypoints/legs along the way. I added label names and marina info to planned marina moorage locations. Finally, I exported the route to a new .gpx file. After closing the program and later importing the saved .gpx route info for review, I noticed that many if not all of my waypoints had shifted location. Also, the waypoints that I had meticulously labeled and inserted grid/phone number/hailing channel info/website links/photos/etc for marinas had been wiped. There were absolutely no names on all but one of the waypoints, and all of the saved info on each marina was gone.

Does anyone know what may have happened during the export process? Can I not plot a rough route, then fine-tune it by dragging and inserting new waypoints along the way? Any help would be appreciated.
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Old 01-03-2015, 14:02   #2
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Re: Route Export/Import Problem

Austex...
Your workflow seems absolutely normal. Can you attach the exported GPX file, please?

Thanks

Pavel
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Old 01-03-2015, 14:21   #3
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Re: Route Export/Import Problem

This is the saved .gpx file. You'll notice the route has me cruising right over sandbars, rocks, and through forests and over islands. I assure you this was not plotted under the influence!
Attached Files
File Type: gpx Initial Route.gpx (31.6 KB, 32 views)
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Old 01-03-2015, 15:15   #4
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Re: Route Export/Import Problem

Well, the route does not seem too odd to me, is what you get when you import it the same I do on the screenshot attached or different? In case it is different, by how much the Klemtu WPT is shifted?

Thanks

Pavel
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ID:	98160  
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Old 01-03-2015, 16:32   #5
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Re: Route Export/Import Problem

Klemtu was the only "Fuel" waypoint that didn't change. You will notice in this screenshot, after Klemtu waypoints NM007-NM012 track right through the center of Princess Royal Island.
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Old 01-03-2015, 16:45   #6
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Re: Route Export/Import Problem

Can you give us the exact coordinates of some of the shifted WPTs then?
This is what I get importing your GPX, no error present I would say...
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Old 01-03-2015, 18:17   #7
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Re: Route Export/Import Problem

So as I was gathering information from within OpenCPN and using text line editor to view the .gpx file, I have found issues. Long list of text to follow. The items on the left are the Waypoint names as pulled from within OpenCPN. The red text denotes what the .gpx file actually has saved.

001
002
003
004
005
006
007
008
NM001 <desc>VHF 66A
50' 02' 02" N 125' 14' 39" W
(250) 287-2614</desc>
<link href="discoveryharbourmarina.com">
<text>Website</text>
</link>
<sym>fuel</sym>

009
010
011
012
013
014
015
016
017
018
019
020
021
NM002 Port Hardy Harbour <desc>VHF 66A
50 42' 0" N 127 25' 0" W
(250) 949-6332
(250) 949-0336
David Pratt</desc>
<sym>fuel</sym>

NM003
022
023
024
025
NM004
026
027
NM005 Shearwater Resort and Marina <desc>VHF 66A
52.1472 N 128.0928 W
(250) 957-2666 ext#2 (Moorage)
(250) 957-2304 (Fuel M-Sa 8-530)</desc>
<link href="shearwater.ca">
<text>Website</text>
</link>
<sym>fuel</sym>

028
029
030
031
032
Klemtu <sym>fuel</sym>
NM006
NM007
NM008
NM009
NM010
NM011
NM012
NM013
NM014
NM015
NM016
NM017
NM018
NM019
NM020
NM021
NM022
034
NM023
NM024
NM025
NM026 Prince Rupert Port Authority <sym>fuel</sym>
NM027
NM028
NM029
035
NM030
036
037
038
040
NM031
041
042
043
044
NM032
045
046
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Old 01-03-2015, 18:22   #8
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Re: Route Export/Import Problem

What's displaying in OpenCPN is not what is saved in the actual .gpx route file.

Ex: In OpenCPN, the waypoint labeled as NM001 is actually labeled in the .gpx file as:

name: Discovery Harbour at Campbell River
desc: VHF 66A
desc: 50' 02' 02" N 125' 14' 39" W
desc: (250) 287-2614
link href: discoveryharbourmarina.com
symbol: fuel
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