| | 5 | Convert a way that connects to a roundabout to a fork consisting of 2 oneway ways. Splitting the way on its last node and attaching to the 2 nodes adjacent to the common node of the roundabout way. This version only works on unsplit roundabouts atm. |
| | 6 | |
| | 7 | {{{#!python |
| | 8 | from javax.swing import JOptionPane |
| | 9 | from org.openstreetmap.josm.gui import MainApplication |
| | 10 | |
| | 11 | import org.openstreetmap.josm.command as Command |
| | 12 | import org.openstreetmap.josm.data.osm.Way as Way |
| | 13 | |
| | 14 | editLayer = MainApplication.getLayerManager().getEditLayer() |
| | 15 | if editLayer and editLayer.data: |
| | 16 | selected_ways = editLayer.data.getSelectedWays() |
| | 17 | print selected_ways |
| | 18 | |
| | 19 | if not(selected_ways) or len(selected_ways)>1: |
| | 20 | JOptionPane.showMessageDialog(MainApplication.parent, "Please select a single way that connects to a roundabout") |
| | 21 | else: |
| | 22 | for way in selected_ways: |
| | 23 | if way.get('oneway') in ['yes', '-1']: |
| | 24 | JOptionPane.showMessageDialog(MainApplication.parent, "This way has oneway tag set") |
| | 25 | else: |
| | 26 | node_before = None |
| | 27 | node_after = None |
| | 28 | common_node = None |
| | 29 | common_node_becomes_node_before=None |
| | 30 | #print dir(way) |
| | 31 | for fln in [way.firstNode(), way.lastNode()]: |
| | 32 | print 'fln', fln |
| | 33 | for parentway in fln.getParentWays(): |
| | 34 | if parentway.get("junction")=='roundabout': |
| | 35 | for n in parentway.getNodes(): |
| | 36 | if common_node: |
| | 37 | # found common node between selected way and roundabout way in previous iteration |
| | 38 | node_after = n |
| | 39 | # we are done here |
| | 40 | break |
| | 41 | if n.getId() == fln.getId(): |
| | 42 | # this is the node the roundabout has in common with selected way |
| | 43 | common_node = n |
| | 44 | if not(node_before): |
| | 45 | # normally we encountered a node on the roundabout way before this one |
| | 46 | # but if the common node is the first node of an unsplit roundabout |
| | 47 | # we will need to take the last node of the roundabout instead |
| | 48 | node_before = parentway.getNodes()[-2] |
| | 49 | node_after = parentway.getNodes()[1] |
| | 50 | break |
| | 51 | # if not we go through the loop one more time to put the next node in node_after |
| | 52 | continue |
| | 53 | node_before = n |
| | 54 | if common_node: |
| | 55 | # if common_node is already defined at this point, it means it was the first node of the selected way |
| | 56 | # so it will have to be replaced with node_before in the selected way |
| | 57 | common_node_becomes_node_before = True |
| | 58 | adjacent_node_to_split_on = way.getNodes()[1] |
| | 59 | break |
| | 60 | else: |
| | 61 | common_node_becomes_node_before = False |
| | 62 | adjacent_node_to_split_on = way.getNodes()[-1] |
| | 63 | if not(common_node) or common_node_becomes_node_before==None: |
| | 64 | JOptionPane.showMessageDialog(MainApplication.parent, "Please select a way that connects to a roundabout") |
| | 65 | else: |
| | 66 | print common_node.get('name') |
| | 67 | print node_before.get('name') |
| | 68 | print node_after.get('name') |
| | 69 | |
| | 70 | commandsList = [] |
| | 71 | if len(way.getNodes())>2: |
| | 72 | commandsList.append(Command.SplitWayCommand.split(way, [adjacent_node_to_split_on], [])) |
| | 73 | MainApplication.undoRedo.add(Command.SequenceCommand("Split selected way", commandsList)) |
| | 74 | commandsList = [] |
| | 75 | for waypartconnectedtoroundabout in adjacent_node_to_split_on.getParentWays(): |
| | 76 | if common_node in waypartconnectedtoroundabout.getNodes(): |
| | 77 | break |
| | 78 | if len(way.getNodes())==2: |
| | 79 | if common_node == waypartconnectedtoroundabout.firstNode(): |
| | 80 | adjacent_node_to_split_on = waypartconnectedtoroundabout.lastNode() |
| | 81 | else: |
| | 82 | adjacent_node_to_split_on = waypartconnectedtoroundabout.firstNode() |
| | 83 | # time to actually do something |
| | 84 | # make a copy of the way |
| | 85 | modified_way = Way(waypartconnectedtoroundabout) |
| | 86 | # replace its nodes, so it becomes a fork |
| | 87 | modified_way.setNodes([node_before, adjacent_node_to_split_on, node_after]) |
| | 88 | # |
| | 89 | modified_way.put('oneway', 'yes') |
| | 90 | # |
| | 91 | commandsList.append(Command.ChangeCommand(waypartconnectedtoroundabout, modified_way)) |
| | 92 | MainApplication.undoRedo.add(Command.SequenceCommand("Add oneway tag and create forked way", commandsList)) |
| | 93 | commandsList = [] |
| | 94 | commandsList.append(Command.SplitWayCommand.split(waypartconnectedtoroundabout, [adjacent_node_to_split_on], [])) |
| | 95 | MainApplication.undoRedo.add(Command.SequenceCommand("Split fork into 2 ways", commandsList)) |
| | 96 | commandsList = [] |
| | 97 | |
| | 98 | }}} |
| | 99 | |
| | 100 | |