87 lines
1.8 KiB
Plaintext
87 lines
1.8 KiB
Plaintext
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###
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#1 - Vorbereitungen
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###
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#
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#1.1 Kanten reduzieren
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#
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#delete hlEdgesReducedOrelSource
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let hlEdgesReducedOrelSource = Edges feed filter[
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(.RoadType = "motorway") or (.RoadType = "motorway_link")
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or (.RoadType = "trunk") or (.RoadType = "trunk_link")
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or (.RoadType = "primary") or (.RoadType = "primary_link")
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or (.RoadType = "secondary") or (.RoadType = "secondary_link")
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or (.RoadType = "tertiary") or (.RoadType = "tertiary_link")
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or (.RoadType = "road") or (.RoadType = "unclassified")
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or (.RoadType = "residential") or (.RoadType = "living_street")
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]
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oconsume[Source]
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# or (.RoadType = "track") or (.RoadType = "pedestrian")
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# or (.RoadType = "service") or (.RoadType = "bus_guideway")
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# or (.RoadType = "escape") or (.RoadType = "raceway")
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#
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#1.2 zusätzliche Felder Parent und Costs hinzufügen
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#
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#delete hlEdgesExtendedOrelSource
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let hlEdgesExtendedOrelSource = hlEdgesReducedOrelSource feed
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extend[Costs : 0.0]
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extend[HlShortcutViaParent : -1]
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oconsume[Source]
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#
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# 1.3 Kosten ermitteln
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#
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#delete hlEdgesOrelSource
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let hlEdgesOrelSource = hlEdgesExtendedOrelSource
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query hlCalcWeightsOrel(hlEdgesOrelSource, 1)
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#
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# 1.3 Knotenmenge ermitteln
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#
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#delete hlNodesSourceOnlyOrel
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let hlNodesSourceOnlyOrel =
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hlEdgesOrelSource feed extend[NodeId: .Source] project[NodeId]
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hlEdgesOrelSource feed extend[NodeId: .Target] project[NodeId]
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concat
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sortby[NodeId]
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krdup[NodeId]
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oconsume[NodeId]
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###
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#2 - Contraction
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#
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#Usable Parameters:
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# hHop = 2
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# skipContractionWhenXNodesAreLeft = 100
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###
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#delete hlGraphOrel
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let hlGraphOrel =
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hlDoContractionOfHlGraph(hlEdgesOrelSource, hlNodesSourceOnlyOrel, 2, 100, 0)
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feed oconsume[Source]
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###
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#3 - CH Query
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#
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#query hlDoChSearchInHlGraph(hlNodesSourceOnlyOrel, hlEdgesOrelSource, hlGraphOrel, <SourceNodeId>, <TargetNodeId>) feed consume
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#
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###
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