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105 changes: 105 additions & 0 deletions
105
src/main/java/org/opentripplanner/inspector/ElevationEdgeRenderer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package org.opentripplanner.inspector; | ||
|
|
||
| import java.awt.Color; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.stream.Stream; | ||
| import org.opentripplanner.common.model.T2; | ||
| import org.opentripplanner.inspector.EdgeVertexTileRenderer.EdgeVertexRenderer; | ||
| import org.opentripplanner.inspector.EdgeVertexTileRenderer.EdgeVisualAttributes; | ||
| import org.opentripplanner.inspector.EdgeVertexTileRenderer.VertexVisualAttributes; | ||
| import org.opentripplanner.routing.edgetype.StreetEdge; | ||
| import org.opentripplanner.routing.graph.Edge; | ||
| import org.opentripplanner.routing.graph.Graph; | ||
| import org.opentripplanner.routing.graph.Vertex; | ||
|
|
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| class ElevationEdgeRenderer implements EdgeVertexRenderer { | ||
|
|
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| private final ScalarColorPalette colorPalette; | ||
|
|
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| ElevationEdgeRenderer(Graph graph) { | ||
| if (graph.hasElevation) { | ||
| colorPalette = new DefaultScalarColorPalette( | ||
| graph.minElevation, | ||
| (graph.minElevation + graph.maxElevation) / 2, | ||
| graph.maxElevation | ||
| ); | ||
| } else { | ||
| colorPalette = new DefaultScalarColorPalette(0, 0, 0); | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public boolean renderEdge( | ||
| Edge e, EdgeVisualAttributes attrs | ||
| ) { | ||
| return true; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean renderVertex( | ||
| Vertex v, VertexVisualAttributes attrs | ||
| ) { | ||
| var elevation = findElevationForVertex(v); | ||
| if (elevation != null) { | ||
| attrs.color = colorPalette.getColor(elevation); | ||
| attrs.label = elevation.toString(); | ||
| return true; | ||
| } | ||
| else { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public boolean hasEdgeSegments(Edge edge) { | ||
| return true; | ||
| } | ||
|
|
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| @Override | ||
| public Iterable<T2<Double, Color>> edgeSegments(Edge edge) { | ||
| if (edge instanceof StreetEdge) { | ||
| if (((StreetEdge) edge).hasElevationExtension()) { | ||
| var edgeLength = edge.getDistanceMeters(); | ||
| var color = Color.DARK_GRAY; | ||
|
|
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| var t2 = new ArrayList<T2<Double, Color>>(); | ||
| var profile = ((StreetEdge) edge).getElevationProfile(); | ||
| for(int i = 0; i < profile.size(); ++i) { | ||
| var point = profile.getCoordinate(i); | ||
| if (i != 0) { | ||
| t2.add(new T2<>(point.x / edgeLength, color)); | ||
| } | ||
| color = colorPalette.getColor(point.y); | ||
| } | ||
| return t2; | ||
| } else { | ||
| return List.of(new T2<>(1.0d, Color.GRAY)); | ||
| } | ||
| } else { | ||
| return List.of(new T2<>(1.0d, Color.LIGHT_GRAY)); | ||
| } | ||
| } | ||
|
|
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| private Double findElevationForVertex(Vertex v) { | ||
| return Stream.concat( | ||
| v.getIncomingStreetEdges() | ||
| .stream() | ||
| .filter(StreetEdge::hasElevationExtension) | ||
| .map(streetEdge -> streetEdge.getElevationProfile() | ||
| .getCoordinate(streetEdge.getElevationProfile().size() - 1).y), | ||
| v.getOutgoingStreetEdges() | ||
| .stream() | ||
| .filter(StreetEdge::hasElevationExtension) | ||
| .map(streetEdge -> streetEdge.getElevationProfile() | ||
| .getCoordinate(0).y) | ||
| ) | ||
| .findAny() | ||
| .orElse(null); | ||
| } | ||
|
|
||
| @Override | ||
| public String getName() { | ||
| return "Elevation"; | ||
| } | ||
| } |
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