[mkgmap-dev] Ferry line routing issue

Thu Jun 1 11:26:45 BST 2023

Forgot to mention access=customers or similar, which might cause
mkgmap:throughroute=no

Ticker

On Thu, 2023-06-01 at 10:50 +0100, Ticker Berkin wrote:
> Hi
> 
> Things to check:
> 
> Have you set 'allow tolls' on your routing options - most ferries
> cost.
> 
> Ferry ports can have complicated road systems with barriers, gates,
> one-way systems, service roads, parking/holding lots etc; it can
> require very careful checking to see that there is a valid route
> through from the public road system to the actual ferry.
> 
> It is highly likely roads in the port will be road_class 0 or 1 and
> Garmin routing doesn't like using lower class roads in the middle of
> a
> route.
> 
> A while ago I tried all of the above to get a particular ferry route
> working and I failed; getting route calculation error on the device
> or
> straight line on Basecamp/Mapsource.
> 
> I also tried changing the ferry types from 0x1a/0x1b (which trigger
> boarding type instructions on the device) to a standard road type and
> this didn't make any difference. I was at a loss and gave up.
> 
> I do get some other ferry routes working for me.
> 
> Ticker
> 
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