Thanks Gerd
On 04/11/2019 15:37, Gerd Petermann wrote:
Hi Nick,
as always the information is written with the logger (1). You have to activate
logging at info level with
uk.me.parabola.imgfmt.app.net.RoadNetwork.level=INFO
(1) https://wiki.openstreetmap.org/wiki/Mkgmap/dev#Enabling_Debugging
Using a negative value for NUM means that mkgmap doesn't calculate the islands
at all, using
0 means that it only reports the islands. If you want to remove islands you can
start with a value like
500. The default is 0.
Gerd
________________________________________
Von: mkgmap-dev <mkgmap-dev-boun...@lists.mkgmap.org.uk> im Auftrag von Pinns UK
<o...@pinns.co.uk>
Gesendet: Montag, 4. November 2019 16:29
An: mkgmap-dev@lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] documentation of new option in branch
Hi Gerd
Thanks for all you work with regards routing islands!
a) Is there a way of finding out how many .if any. routing islands were found
given a certain length?
b) if NUM is negative is there any point in adding
--check-routing-island-len=NUM
Nick
On 04/11/2019 13:58, Gerd Petermann wrote:
Hi all,
I think the work on the branch is almost done.
Attached is a patch to add documentation for the new option.
Please help to improve it:
--check-routing-island-len=NUM
Routing islands are small road networks which are not connected to
other
roads. Typical case is a footway that is not connected to the main road
network. These islands can cause problems if you try to calculate a
route
and Garmin selects a point on the island as a start. It will fail to
calulate the route even if a major road is only a few steps away.
When calculating the NOD data mkgmap detects the islands. The option
--check-routing-island-len=NUM can be used to tell mkgmap that islands
with
a total length below NUM meters should not be written to NOD. The
effect is
that the corresponding roads are visible as usual but they are not
routable.
A negative value for NUM means that mkgmap skips the island check.
ciao
Gerd
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