[GraphHopper] Problems with sub area

Peter K peathal at yahoo.de
Mon Oct 14 14:06:51 UTC 2013


Hi Andreas,

it should work. Did both results of the location lookup are different?
Was the path found -> path.isFound?

Did you use osmosis or the in build isInBounds method to cut the area?

Regards,
Peter.

> Now i have a different problem:
> Is it possible that CH are not properly working in sub maps like
> bavaria (made from bayern.osm)?
> I recognized strange phenomenons near the end of the map.
> findClosest() finds some node and when i route to this node, i get a
> path with 0.0 length.
> Is this a known problem or did i screw it up?
>
> Thanks
>
>
> 2013/10/14 Andreas Fischer <fischer.andreas.atf at googlemail.com
> <mailto:fischer.andreas.atf at googlemail.com>>
>
>     Thank you... that did it.
>
>
>     2013/10/14 Peter K <peathal at yahoo.de <mailto:peathal at yahoo.de>>
>
>         Hi Andeas,
>
>         you'll have to do it via EdgeExplorer:
>
>         EdgeExplorer explorer =
>         graph.createEdgeExplorer(/*optionalEdgeFilter*/);
>
>         // new variable 'iter' not necessary, just to explain the concept
>         EdgeIterator iter = explorer.setBaseNode(nodeId);
>         while(iter.next()) {
>            ...
>         }
>
>         Reuse edgeExplorer as often as you can (note: not thread
>         safe!) and just set the new base node. With this change our
>         none-CH algorithms are approx. 8% faster. Usage -> see tests
>         or XFirstSearch
>
>         Regards,
>         Peter.
>
>>         Hi Peter,
>>
>>         Where did the Graph.getEdges(int nodeID) method go?
>>         How can i get all edges of a node in the current version?
>>
>>         Thanks,
>>         Andreas
>>

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