Changeset 18661 in josm for trunk/src/org
- Timestamp:
- 2023-02-13T21:53:05+01:00 (20 months ago)
- File:
-
- 1 edited
Legend:
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trunk/src/org/openstreetmap/josm/tools/RotationAngle.java
r17333 r18661 33 33 } 34 34 final Way w = ways.iterator().next(); 35 Double angle = getRotationAngleForNodeOnWay(n, w); 36 return angle != null ? angle : 0; 37 } 38 39 /** 40 * Calculates the rotation angle of a node in a way based on the preceding way segment. 41 * If the node is the first node in the given way, the angle of the following way segment is used instead. 42 * @param n the node to get the rotation angle for 43 * @param w the way containing the node 44 * @return the rotation angle in radians or null if the way does not contain the node 45 * @since 18661 46 */ 47 public static Double getRotationAngleForNodeOnWay(Node n, Way w) { 35 48 final int idx = w.getNodes().indexOf(n); 49 if (idx == -1) { 50 return null; 51 } 36 52 if (idx == 0) { 37 return - Geometry.getSegmentAngle(n.getEastNorth(), w.getNode(idx + 1).getEastNorth());53 return -(Geometry.getSegmentAngle(n.getEastNorth(), w.getNode(idx + 1).getEastNorth()) - Math.PI/2); 38 54 } else { 39 return - Geometry.getSegmentAngle(w.getNode(idx - 1).getEastNorth(), n.getEastNorth());55 return -(Geometry.getSegmentAngle(w.getNode(idx - 1).getEastNorth(), n.getEastNorth()) - Math.PI/2); 40 56 } 41 57 } … … 107 123 * Calculates the rotation angle depending on the primitive to be displayed. 108 124 * @param p primitive 109 * @return rotation angle 125 * @return rotation angle in radians, clockwise starting from up/north 110 126 * @since 13623 (signature) 111 127 */
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