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Old 10-03-2015, 07:37   #1
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Open CPN question

I have just downloaded Open CPN and am trying to learn it. I downloaded the vector charts for Lake Erie from the NOAA website. When I view the charts at small scale, some areas are blanked out until I zoom in. This is not very convenient for route planning. Is there a way around this? I can't find any mention of this in the user's manual.

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Old 10-03-2015, 08:08   #2
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Re: Open CPN question

In the settings menu, the wrench icon, there are lots of settings for chart display options. Lower right cormer is a slider that controls detail level at different zoom level.


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Old 10-03-2015, 11:23   #3
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Re: Open CPN question

This is how vector charts work by design, that's why so many people prefer their raster counterparts, especially for route planning.
Still Andy's suggestion above applies and should help you to make the vector charts work more to your liking.

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Old 10-03-2015, 19:26   #4
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Re: Open CPN question

If you quilt the charts wont that address this issue?
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Old 10-03-2015, 21:52   #5
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Re: Open CPN question

Quilting didn't seem to make a difference. The vector charts just didn't display until zoomed in. However, I noticed some little "bubbles" at the bottom of the screen which switches the view from chart to chart. That allows me to switch between all the loaded raster or vector charts, so I can use raster charts for small scale chart viewing or course planning and switch to the vector charts for large scale or for actual GPS navigation. I like the raster charts because they look more like "real" paper charts, but there's so much more info on a good vector chart. Seems to be an OK system.
Thanks for the help everyone. I've just started using the system (actually just playing with it since my boat won't launch for another 2 months) and I'm sure I won't really learn how to use it until it's on the boat.
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