@Override public void foundShortcut( int u_fromNode, int w_toNode, double existingDirectWeight, EdgeIterator outgoingEdges, int skippedEdge1, int incomingEdgeOrigCount) { // FOUND shortcut // but be sure that it is the only shortcut in the collection // and also in the graph for u->w. If existing AND identical weight => update setProperties. // Hint: shortcuts are always one-way due to distinct level of every node but we don't // know yet the levels so we need to determine the correct direction or if both directions // minor improvement: if (shortcuts.containsKey(sc) // then two shortcuts with the same nodes (u<->n.endNode) exists => check current shortcut // against both Shortcut sc = new Shortcut(u_fromNode, w_toNode, existingDirectWeight); if (shortcuts.containsKey(sc)) { return; } else { Shortcut tmpSc = new Shortcut(w_toNode, u_fromNode, existingDirectWeight); Shortcut tmpRetSc = shortcuts.get(tmpSc); if (tmpRetSc != null) { tmpRetSc.flags = scBothDir; return; } } shortcuts.put(sc, sc); sc.skippedEdge1 = skippedEdge1; sc.skippedEdge2 = outgoingEdges.getEdge(); sc.originalEdges = incomingEdgeOrigCount + getOrigEdgeCount(outgoingEdges.getEdge()); }
/** Sets up all parameters with target Graph target */ public MoleculeParameters(Molecule target) { // automatically set initial individuals size range int vertices = target.getVerticesSize(); verticesInterval.set(Math.max(2, vertices / 2), vertices * 2); cyclesInterval.set(0, target.getNumberOfCycles() * 2); // insure that all possible vertex and edge types are in initial population in roughly equal // quantities java.util.Hashtable elements = new java.util.Hashtable(); for (VertexIterator v = target.getVertexIterator(); v.more(); v.next()) { String s = v.vertex().toString(); if (!elements.containsKey(s)) { elements.put(s, s); try { provider.add((Vertex) v.vertex().clone()); } catch (CloneNotSupportedException e) { Error.fatal("can't clone vertex: " + e); } } } for (EdgeIterator e = target.getEdgeIterator(); e.more(); e.next()) { String s = e.edge().toString(); if (!elements.containsKey(s)) { elements.put(s, s); try { provider.add((Edge) e.edge().clone()); } catch (CloneNotSupportedException ee) { Error.fatal("can't clone edge: " + ee); } } } setParameters(target); }
public boolean containsLatitude(Graph g, EdgeIterator iter, double latitude) { NodeAccess na = g.getNodeAccess(); while (iter.next()) { if (Math.abs(na.getLatitude(iter.getAdjNode()) - latitude) < 1e-4) return true; } return false; }
public static boolean contains(EdgeIterator iter, int... locs) { TIntHashSet set = new TIntHashSet(); while (iter.next()) { set.add(iter.node()); } for (int l : locs) { if (!set.contains(l)) return false; } return true; }
/** note/todo: this methods counts edges twice if both directions are available */ public static int countEdges(Graph g) { int counter = 0; int nodes = g.getNodes(); for (int i = 0; i < nodes; i++) { EdgeIterator iter = g.getOutgoing(i); while (iter.next()) { counter++; } } return counter; }
/** Finds shortcuts, does not change the underlying graph. */ void findShortcuts(ShortcutHandler sch) { long tmpDegreeCounter = 0; EdgeIterator incomingEdges = vehicleInExplorer.setBaseNode(sch.getNode()); // collect outgoing nodes (goal-nodes) only once while (incomingEdges.next()) { int u_fromNode = incomingEdges.getAdjNode(); // accept only uncontracted nodes if (g.getLevel(u_fromNode) != 0) continue; double v_u_weight = incomingEdges.getDistance(); int skippedEdge1 = incomingEdges.getEdge(); int incomingEdgeOrigCount = getOrigEdgeCount(skippedEdge1); // collect outgoing nodes (goal-nodes) only once EdgeIterator outgoingEdges = vehicleOutExplorer.setBaseNode(sch.getNode()); // force fresh maps etc as this cannot be determined by from node alone (e.g. same from node // but different avoidNode) algo.clear(); tmpDegreeCounter++; while (outgoingEdges.next()) { int w_toNode = outgoingEdges.getAdjNode(); // add only uncontracted nodes if (g.getLevel(w_toNode) != 0 || u_fromNode == w_toNode) { continue; } // Limit weight as ferries or forbidden edges can increase local search too much. // If we decrease the correct weight we only explore less and introduce more shortcuts. // I.e. no change to accuracy is made. double existingDirectWeight = v_u_weight + outgoingEdges.getDistance(); algo.setLimitWeight(existingDirectWeight) .setLimitVisitedNodes((int) meanDegree * 100) .setEdgeFilter(levelEdgeFilter.setAvoidNode(sch.getNode())); dijkstraSW.start(); dijkstraCount++; int endNode = algo.findEndNode(u_fromNode, w_toNode); dijkstraSW.stop(); // compare end node as the limit could force dijkstra to finish earlier if (endNode == w_toNode && algo.getWeight(endNode) <= existingDirectWeight) // FOUND witness path, so do not add shortcut continue; sch.foundShortcut( u_fromNode, w_toNode, existingDirectWeight, outgoingEdges, skippedEdge1, incomingEdgeOrigCount); } } if (sch instanceof AddShortcutHandler) { // sliding mean value when using "*2" => slower changes meanDegree = (meanDegree * 2 + tmpDegreeCounter) / 3; // meanDegree = (meanDegree + tmpDegreeCounter) / 2; } }
boolean prepareEdges() { // In CH the setProperties (speed) are ignored as calculating the new setProperties for a // shortcut is often not possible. // Also several shortcuts would be necessary with the different modes (e.g. fastest and // shortest) // So calculate the weight and store this as weight, then use only weight instead of calcWeight EdgeIterator iter = g.getAllEdges(); int c = 0; while (iter.next()) { c++; iter.setDistance(prepareWeighting.calcWeight(iter)); setOrigEdgeCount(iter.getEdge(), 1); } return c > 0; }
public static int count(EdgeIterator iter) { int counter = 0; while (iter.next()) { ++counter; } return counter; }
@Override public void foundShortcut( int u_fromNode, int w_toNode, double existingDirectWeight, EdgeIterator outgoingEdges, int skippedEdge1, int incomingEdgeOrigCount) { shortcuts++; originalEdgesCount += incomingEdgeOrigCount + getOrigEdgeCount(outgoingEdges.getEdge()); }
@Test public void testFlags() { graph = createGraph(); graph.edge(0, 1).setDistance(10).setFlags(carEncoder.setProperties(100, true, true)); graph.edge(2, 3).setDistance(10).setFlags(carEncoder.setProperties(10, true, false)); EdgeIterator iter = carAllExplorer.setBaseNode(0); assertTrue(iter.next()); assertEquals(carEncoder.setProperties(100, true, true), iter.getFlags()); iter = carAllExplorer.setBaseNode(2); assertTrue(iter.next()); assertEquals(carEncoder.setProperties(10, true, false), iter.getFlags()); try { graph.edge(0, 1).setDistance(-1); assertTrue(false); } catch (IllegalArgumentException ex) { } }
@Test public void testCreateDuplicateEdges() { graph = createGraph(); graph.edge(2, 1, 12, true); graph.edge(2, 3, 12, true); graph.edge(2, 3, 13, false); assertEquals(3, GHUtility.count(carOutExplorer.setBaseNode(2))); // no exception graph.getEdgeProps(1, 3); // raise exception try { graph.getEdgeProps(4, 3); assertTrue(false); } catch (Exception ex) { } try { graph.getEdgeProps(-1, 3); assertTrue(false); } catch (Exception ex) { } EdgeIterator iter = carOutExplorer.setBaseNode(2); assertTrue(iter.next()); EdgeIteratorState oneIter = graph.getEdgeProps(iter.getEdge(), 3); assertEquals(13, oneIter.getDistance(), 1e-6); assertEquals(2, oneIter.getBaseNode()); assertTrue(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_FORWARD)); assertFalse(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_BACKWARD)); oneIter = graph.getEdgeProps(iter.getEdge(), 2); assertEquals(13, oneIter.getDistance(), 1e-6); assertEquals(3, oneIter.getBaseNode()); assertFalse(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_FORWARD)); assertTrue(carEncoder.isBool(oneIter.getFlags(), FlagEncoder.K_BACKWARD)); graph.edge(3, 2, 14, true); assertEquals(4, GHUtility.count(carOutExplorer.setBaseNode(2))); }
@Test public void testUpdateUnidirectional() { graph = createGraph(); graph.edge(1, 2, 12, false); graph.edge(3, 2, 112, false); EdgeIterator i = carOutExplorer.setBaseNode(2); assertFalse(i.next()); i = carOutExplorer.setBaseNode(3); assertTrue(i.next()); assertEquals(2, i.getAdjNode()); assertFalse(i.next()); graph.edge(2, 3, 112, false); i = carOutExplorer.setBaseNode(2); assertTrue(i.next()); assertEquals(3, i.getAdjNode()); i = carOutExplorer.setBaseNode(3); i.next(); assertEquals(2, i.getAdjNode()); assertFalse(i.next()); }
@Test public void testSimpleDelete2() { graph = createGraph(); NodeAccess na = graph.getNodeAccess(); assertEquals(-1, getIdOf(graph, 12)); na.setNode(9, 9, 1); assertEquals(-1, getIdOf(graph, 12)); na.setNode(11, 11, 1); na.setNode(12, 12, 1); // mini subnetwork which gets completely removed: graph.edge(5, 10, 510, true); graph.markNodeRemoved(5); graph.markNodeRemoved(10); PointList pl = new PointList(); pl.add(1, 2, Double.NaN); pl.add(1, 3, Double.NaN); graph.edge(9, 11, 911, true).setWayGeometry(pl); graph.edge(9, 12, 912, true).setWayGeometry(pl); assertEquals(13, graph.getNodes()); assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph)); // perform deletion graph.optimize(); assertEquals(11, graph.getNodes()); assertEquals(Arrays.<String>asList(), GHUtility.getProblems(graph)); int id11 = getIdOf(graph, 11); // is now 10 int id12 = getIdOf(graph, 12); // is now 5 int id9 = getIdOf(graph, 9); // is now 9 assertEquals( GHUtility.asSet(id12, id11), GHUtility.getNeighbors(carAllExplorer.setBaseNode(id9))); assertEquals(GHUtility.asSet(id9), GHUtility.getNeighbors(carAllExplorer.setBaseNode(id11))); assertEquals(GHUtility.asSet(id9), GHUtility.getNeighbors(carAllExplorer.setBaseNode(id12))); EdgeIterator iter = carAllExplorer.setBaseNode(id9); assertTrue(iter.next()); assertEquals(id12, iter.getAdjNode()); assertEquals(2, iter.fetchWayGeometry(0).getLongitude(0), 1e-7); assertTrue(iter.next()); assertEquals(id11, iter.getAdjNode()); assertEquals(2, iter.fetchWayGeometry(0).getLongitude(0), 1e-7); }
protected void checkGraph(Graph g) { NodeAccess na = g.getNodeAccess(); assertTrue(na.is3D()); assertTrue(g.getBounds().isValid()); assertEquals(new BBox(10, 20, 10, 12, 0, 1), g.getBounds()); assertEquals(10, na.getLatitude(0), 1e-2); assertEquals(10, na.getLongitude(0), 1e-2); EdgeExplorer explorer = g.createEdgeExplorer(carOutFilter); assertEquals(2, GHUtility.count(explorer.setBaseNode(0))); assertEquals(GHUtility.asSet(2, 1), GHUtility.getNeighbors(explorer.setBaseNode(0))); EdgeIterator iter = explorer.setBaseNode(0); assertTrue(iter.next()); assertEquals(Helper.createPointList3D(3.5, 4.5, 0, 5, 6, 0), iter.fetchWayGeometry(0)); assertTrue(iter.next()); assertEquals(Helper.createPointList3D(1.5, 1, 0, 2, 3, 0), iter.fetchWayGeometry(0)); assertEquals(Helper.createPointList3D(10, 10, 0, 1.5, 1, 0, 2, 3, 0), iter.fetchWayGeometry(1)); assertEquals(Helper.createPointList3D(1.5, 1, 0, 2, 3, 0, 11, 20, 1), iter.fetchWayGeometry(2)); assertEquals(11, na.getLatitude(1), 1e-2); assertEquals(20, na.getLongitude(1), 1e-2); assertEquals(2, GHUtility.count(explorer.setBaseNode(1))); assertEquals(GHUtility.asSet(2, 0), GHUtility.getNeighbors(explorer.setBaseNode(1))); assertEquals(12, na.getLatitude(2), 1e-2); assertEquals(12, na.getLongitude(2), 1e-2); assertEquals(1, GHUtility.count(explorer.setBaseNode(2))); assertEquals(GHUtility.asSet(0), GHUtility.getNeighbors(explorer.setBaseNode(2))); EdgeIteratorState eib = GHUtility.getEdge(g, 1, 2); assertEquals(Helper.createPointList3D(), eib.fetchWayGeometry(0)); assertEquals(Helper.createPointList3D(11, 20, 1), eib.fetchWayGeometry(1)); assertEquals(Helper.createPointList3D(12, 12, 0.4), eib.fetchWayGeometry(2)); assertEquals(GHUtility.asSet(0), GHUtility.getNeighbors(explorer.setBaseNode(2))); }
/** @throws could throw exception if uncatched problems like index out of bounds etc */ public static List<String> getProblems(Graph g) { List<String> problems = new ArrayList<String>(); int nodes = g.getNodes(); for (int i = 0; i < nodes; i++) { double lat = g.getLatitude(i); if (lat > 90 || lat < -90) problems.add("latitude is not within its bounds " + lat); double lon = g.getLongitude(i); if (lon > 180 || lon < -180) problems.add("longitude is not within its bounds " + lon); int incom = count(g.getIncoming(i)); int out = count(g.getOutgoing(i)); int e = count(g.getEdges(i)); if (Math.max(out, incom) > e) problems.add( "count incoming or outgoing edges should be maximum " + e + " but were:" + incom + "(in), " + out + "(out)"); EdgeIterator iter = g.getEdges(i); while (iter.next()) { if (iter.node() >= nodes) problems.add( "edge of " + i + " has a node " + iter.node() + " greater or equal to getNodes"); if (iter.node() < 0) problems.add("edge of " + i + " has a negative node " + iter.node()); } } // for (int i = 0; i < nodes; i++) { // new XFirstSearch().start(g, i, false); // } return problems; }
public Iterator<EdgeModel> getEdgeIterator() { nodeIterator.reset(); edgeIterator.reset(nodeIterator); return edgeIterator; }
public String BFS(Graph g, Vertex start, Vertex end, LinkedList<String> strToParse) { String parsed = ""; LinkedList<VISTriple> q = new LinkedList<VISTriple>(); BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); // System.out.println("parsed: " + parsed); q.push(new VISTriple(0, start, "")); // System.out.println(q.peek().ver); while (!q.isEmpty()) { try { // reader.readLine(); } catch (Exception e) { } VISTriple v = q.removeFirst(); // System.out.println("WHILE: " + v); LinkedList<Edge> successors = new LinkedList<Edge>(); successors.clear(); EdgeIterator ei = g.incidentEdges(v.ver); // System.out.println("Getting incident edges:"); while (ei.hasNext()) { Edge temp = ei.nextEdge(); if (g.origin(temp) == v.ver) { successors.addFirst(temp); // System.out.println(successors.peekFirst().toString()); } } if (v.ind >= strToParse.size() && v.ver.equals(end)) { // System.out.println("*result: " + v.result); return v.result; } String toFind = ""; if (v.ind < strToParse.size()) { toFind = strToParse.get(v.ind); } else toFind = ""; // System.out.println("toFind: " + toFind); for (int i = 0; i < successors.size(); i++) { Edge e = successors.get(i); EdgeTuple tempET = (EdgeTuple) e.element(); // System.out.println("tempET: " + tempET); if (tempET.lhs.equals("") || tempET.lhs.equals(toFind)) { Vertex w = g.destination(e); if (tempET.lhs.equals(toFind)) { q.addFirst(new VISTriple(v.ind + 1, w, v.result + tempET.rhs)); // System.out.println("found LHS: " + q.peekFirst()); } else { q.addFirst(new VISTriple(v.ind, w, v.result + tempET.rhs)); // System.out.println("!found LHS: " + q.peekFirst()); } } // end if } // end for } // end while return ""; } // end BFS
@Test public void testGetAllEdges() { graph = createGraph(); graph.edge(0, 1, 2, true); graph.edge(3, 1, 1, false); graph.edge(3, 2, 1, false); EdgeIterator iter = graph.getAllEdges(); assertTrue(iter.next()); int edgeId = iter.getEdge(); assertEquals(0, iter.getBaseNode()); assertEquals(1, iter.getAdjNode()); assertEquals(2, iter.getDistance(), 1e-6); assertTrue(iter.next()); int edgeId2 = iter.getEdge(); assertEquals(1, edgeId2 - edgeId); assertEquals(1, iter.getBaseNode()); assertEquals(3, iter.getAdjNode()); assertTrue(iter.next()); assertEquals(2, iter.getBaseNode()); assertEquals(3, iter.getAdjNode()); assertFalse(iter.next()); }
@Test public void testPillarNodes() { graph = createGraph(); NodeAccess na = graph.getNodeAccess(); na.setNode(0, 0.01, 0.01); na.setNode(4, 0.4, 0.4); na.setNode(14, 0.14, 0.14); na.setNode(10, 0.99, 0.99); PointList pointList = Helper.createPointList(1, 1, 1, 2, 1, 3); graph .edge(0, 4) .setDistance(100) .setFlags(carEncoder.setProperties(10, true, false)) .setWayGeometry(pointList); pointList = Helper.createPointList(1, 5, 1, 6, 1, 7, 1, 8, 1, 9); graph .edge(4, 10) .setDistance(100) .setFlags(carEncoder.setProperties(10, true, false)) .setWayGeometry(pointList); pointList = Helper.createPointList(1, 13, 1, 12, 1, 11); graph .edge(14, 0) .setDistance(100) .setFlags(carEncoder.setProperties(10, true, false)) .setWayGeometry(pointList); EdgeIterator iter = carAllExplorer.setBaseNode(0); assertTrue(iter.next()); assertEquals(14, iter.getAdjNode()); assertPList(Helper.createPointList(1, 11, 1, 12, 1, 13.0), iter.fetchWayGeometry(0)); assertPList( Helper.createPointList(0.01, 0.01, 1, 11, 1, 12, 1, 13.0), iter.fetchWayGeometry(1)); assertPList( Helper.createPointList(1, 11, 1, 12, 1, 13.0, 0.14, 0.14), iter.fetchWayGeometry(2)); assertPList( Helper.createPointList(0.01, 0.01, 1, 11, 1, 12, 1, 13.0, 0.14, 0.14), iter.fetchWayGeometry(3)); assertTrue(iter.next()); assertEquals(4, iter.getAdjNode()); assertPList(Helper.createPointList(1, 1, 1, 2, 1, 3), iter.fetchWayGeometry(0)); assertPList(Helper.createPointList(0.01, 0.01, 1, 1, 1, 2, 1, 3), iter.fetchWayGeometry(1)); assertPList(Helper.createPointList(1, 1, 1, 2, 1, 3, 0.4, 0.4), iter.fetchWayGeometry(2)); assertPList( Helper.createPointList(0.01, 0.01, 1, 1, 1, 2, 1, 3, 0.4, 0.4), iter.fetchWayGeometry(3)); assertFalse(iter.next()); iter = carOutExplorer.setBaseNode(0); assertTrue(iter.next()); assertEquals(4, iter.getAdjNode()); assertPList(Helper.createPointList(1, 1, 1, 2, 1, 3), iter.fetchWayGeometry(0)); assertFalse(iter.next()); iter = carInExplorer.setBaseNode(10); assertTrue(iter.next()); assertEquals(4, iter.getAdjNode()); assertPList(Helper.createPointList(1, 9, 1, 8, 1, 7, 1, 6, 1, 5), iter.fetchWayGeometry(0)); assertPList( Helper.createPointList(0.99, 0.99, 1, 9, 1, 8, 1, 7, 1, 6, 1, 5), iter.fetchWayGeometry(1)); assertPList( Helper.createPointList(1, 9, 1, 8, 1, 7, 1, 6, 1, 5, 0.4, 0.4), iter.fetchWayGeometry(2)); assertPList( Helper.createPointList(0.99, 0.99, 1, 9, 1, 8, 1, 7, 1, 6, 1, 5, 0.4, 0.4), iter.fetchWayGeometry(3)); assertFalse(iter.next()); }
@Test public void testUnidirectionalEdgeFilter() { graph = createGraph(); graph.edge(1, 2, 12, false); graph.edge(1, 11, 12, false); graph.edge(11, 1, 12, false); graph.edge(1, 12, 12, false); graph.edge(3, 2, 112, false); EdgeIterator i = carOutExplorer.setBaseNode(2); assertFalse(i.next()); assertEquals(4, GHUtility.count(carAllExplorer.setBaseNode(1))); assertEquals(1, GHUtility.count(carInExplorer.setBaseNode(1))); assertEquals(2, GHUtility.count(carInExplorer.setBaseNode(2))); assertEquals(0, GHUtility.count(carInExplorer.setBaseNode(3))); assertEquals(3, GHUtility.count(carOutExplorer.setBaseNode(1))); assertEquals(0, GHUtility.count(carOutExplorer.setBaseNode(2))); assertEquals(1, GHUtility.count(carOutExplorer.setBaseNode(3))); i = carOutExplorer.setBaseNode(3); i.next(); assertEquals(2, i.getAdjNode()); i = carOutExplorer.setBaseNode(1); assertTrue(i.next()); assertEquals(12, i.getAdjNode()); assertTrue(i.next()); assertEquals(11, i.getAdjNode()); assertTrue(i.next()); assertEquals(2, i.getAdjNode()); assertFalse(i.next()); }
@Test public void testDetachEdge() { graph = createGraph(); graph.edge(0, 1, 2, true); long flags = carEncoder.setProperties(10, true, false); graph.edge(0, 2, 2, true).setWayGeometry(Helper.createPointList(1, 2, 3, 4)).setFlags(flags); graph.edge(1, 2, 2, true); EdgeIterator iter = graph.createEdgeExplorer().setBaseNode(0); try { // currently not possible to detach without next, without introducing a new property inside // EdgeIterable iter.detach(false); assertTrue(false); } catch (Exception ex) { } iter.next(); EdgeIteratorState edgeState2 = iter.detach(false); assertEquals(2, iter.getAdjNode()); assertEquals(1, edgeState2.fetchWayGeometry(0).getLatitude(0), 1e-1); assertEquals(2, edgeState2.getAdjNode()); assertTrue(carEncoder.isBool(edgeState2.getFlags(), FlagEncoder.K_FORWARD)); EdgeIteratorState edgeState3 = iter.detach(true); assertEquals(0, edgeState3.getAdjNode()); assertEquals(2, edgeState3.getBaseNode()); assertEquals(3, edgeState3.fetchWayGeometry(0).getLatitude(0), 1e-1); assertFalse(carEncoder.isBool(edgeState3.getFlags(), FlagEncoder.K_FORWARD)); assertEquals(GHUtility.getEdge(graph, 0, 2).getFlags(), edgeState2.getFlags()); assertEquals(GHUtility.getEdge(graph, 2, 0).getFlags(), edgeState3.getFlags()); iter.next(); assertEquals(1, iter.getAdjNode()); assertEquals(2, edgeState2.getAdjNode()); assertEquals(2, edgeState3.getBaseNode()); assertEquals(0, iter.fetchWayGeometry(0).size()); assertEquals(1, edgeState2.fetchWayGeometry(0).getLatitude(0), 1e-1); assertEquals(3, edgeState3.fetchWayGeometry(0).getLatitude(0), 1e-1); // #162 a directed self referencing edge should be able to reverse its state too graph.edge(3, 3, 2, true).setFlags(flags); EdgeIterator iter2 = graph.createEdgeExplorer().setBaseNode(3); iter2.next(); assertEquals(edgeState2.getFlags(), iter2.detach(false).getFlags()); assertEquals(edgeState3.getFlags(), iter2.detach(true).getFlags()); }
@Test public void testCopy() { Graph g = initUnsorted(createGraph()); EdgeIteratorState eb = g.edge(6, 5, 11, true); eb.setWayGeometry(Helper.createPointList(12, 10, -1, 3)); LevelGraph lg = new GraphBuilder(encodingManager).levelGraphCreate(); GHUtility.copyTo(g, lg); eb = lg.getEdgeProps(eb.getEdge(), 6); assertEquals(Helper.createPointList(-1, 3, 12, 10), eb.getWayGeometry()); assertEquals(0, lg.getLevel(0)); assertEquals(0, lg.getLevel(1)); assertEquals(0, lg.getLatitude(0), 1e-6); assertEquals(1, lg.getLongitude(0), 1e-6); assertEquals(2.5, lg.getLatitude(1), 1e-6); assertEquals(4.5, lg.getLongitude(1), 1e-6); assertEquals(9, lg.getNodes()); EdgeIterator iter = lg.createEdgeExplorer().setBaseNode(8); iter.next(); assertEquals(2.05, iter.getDistance(), 1e-6); assertEquals("11", BitUtil.toBitString(iter.getFlags(), 2)); iter.next(); assertEquals(0.5, iter.getDistance(), 1e-6); assertEquals("11", BitUtil.toBitString(iter.getFlags(), 2)); iter = lg.createEdgeExplorer().setBaseNode(7); iter.next(); assertEquals(2.1, iter.getDistance(), 1e-6); assertEquals("01", BitUtil.toBitString(iter.getFlags(), 2)); assertTrue(iter.next()); assertEquals(0.7, iter.getDistance(), 1e-6); }
public static EdgeIterator until(EdgeIterator edges, int i) { while (edges.next()) { if (edges.node() == i) return edges; } return EdgeIterator.EMPTY; }
@Override public BufferedImage renderTile(final int x, final int y, final int zoom) { ProfileMapCombination debugCurrent; EdgeBasedGraph debugEbg; Weights debugWeights; ArcFlags debugAF; if (DEBUG_VIS != 0) { debugCurrent = ProfileMapManager.getInstance().getCurrentCombination(); debugEbg = debugCurrent.getStreetMap().getEdgeBasedGraph(); debugWeights = debugCurrent.getWeights(); debugAF = debugCurrent.getArcFlags(); } GraphIndex index = graph.getIndex(zoom); final Set<Integer> edges = getEdgesOnTile(x, y, zoom, index); final BufferedImage tile = new BufferedImage(256, 256, BufferedImage.TYPE_INT_RGB); final Graphics2D g = tile.createGraphics(); g.setColor(new Color(210, 210, 210)); g.fillRect(0, 0, 256, 256); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setRenderingHint( RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); final Stroke oldStroke = g.getStroke(); // Draw border EdgeIterator it = new EdgeIterator(edges.iterator(), zoom, x, y, index); while (it.next()) { g.setColor(getMainStreetColor(it.p.getType(), true)); g.setStroke( new BasicStroke( getStreetWidth(zoom, it.p) + 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); g.drawLine(it.xstart, it.ystart, it.xtarget, it.ytarget); } // Draw street it = new EdgeIterator(edges.iterator(), zoom, x, y, index); while (it.next()) { g.setColor(getMainStreetColor(it.p.getType(), false)); g.setStroke( new BasicStroke( getStreetWidth(zoom, it.p), BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND)); g.drawLine(it.xstart, it.ystart, it.xtarget, it.ytarget); } g.setStroke(oldStroke); // Draw name of street – must be above all streets final Font font = new Font(Font.SANS_SERIF, 0, 12); g.setColor(Color.BLACK); g.setFont(font); it = new EdgeIterator(edges.iterator(), zoom, x, y, index); while (it.next()) { final String name = getName(it.edge); final double streetLength = Math.sqrt(Math.pow((it.xtarget - it.xstart), 2) + Math.pow((it.ytarget - it.ystart), 2)); if (DEBUG_VIS != 0) { String debugData; int tturn = debugEbg.getOutgoingTurns(it.edge).iterator().next(); if (DEBUG_VIS == 1) { debugData = Integer.toHexString(debugAF.getFlag(tturn)); } else if (DEBUG_VIS == 4) { debugData = Integer.toString(it.edge); } else { // 2,3 debugData = Integer.toString( DEBUG_VIS == 2 ? debugWeights.getWeight(tturn) : graph.getEdgeProperties(it.edge).getMaxSpeed(debugCurrent.getProfile())); } g.drawString(debugData, (it.xstart + it.xtarget) / 2, (it.ystart + it.ytarget) / 2); } if (name != null && (it.xstart != -1) && getStreetWidth(zoom, it.p) > 7) { final AffineTransform old = g.getTransform(); final Rectangle2D r = font.getStringBounds(name, g.getFontRenderContext()); double angle = getAngle(it.xstart, it.ystart, it.xtarget, it.ytarget, streetLength); // Pfeil <- if (zoom > 15 && streetLength > 40) { if (graph.getCorrespondingEdge(it.edge) == -1) { g.setColor(Color.LIGHT_GRAY); double angle2 = angle; if (it.xtarget < it.xstart || (it.xstart == it.xtarget && it.ystart > it.ytarget)) { angle2 -= Math.PI; } AffineTransform rotateInstance = AffineTransform.getRotateInstance(angle2, it.xstart, it.ystart); rotateInstance.translate(15 + it.xstart, it.ystart); g.setTransform(rotateInstance); drawArrow(zoom, g); g.setColor(Color.BLACK); } } int xstart; int ystart; if (it.xstart < it.xtarget || (it.xstart == it.xtarget && it.ystart < it.ytarget)) { xstart = it.xstart; ystart = it.ystart; } else { xstart = it.xtarget; ystart = it.ytarget; } final AffineTransform at = AffineTransform.getRotateInstance(angle, xstart, ystart); g.setTransform(at); if (r.getWidth() + 5 * space < streetLength) { g.drawString( name, (int) (xstart + streetLength / 2 - r.getWidth() / 2), (int) (ystart - r.getY() / 2 - r.getY() - r.getHeight()) + 1); } g.setTransform(old); } } return tile; }