Changeset 26837 in osm for applications/editors/josm/plugins/reltoolbox/src/relcontext/actions/TheRing.java

Timestamp:

2011-10-12T09:22:23+02:00 (14 years ago)

Author:

zverik

Message:

Refactor, new splitting option

File:

• applications/editors/josm/plugins/reltoolbox/src/relcontext/actions/TheRing.java (modified) (2 diffs)

applications/editors/josm/plugins/reltoolbox/src/relcontext/actions/TheRing.java

@@ -8 +8 @@
 import org.openstreetmap.josm.data.osm.*;
 import org.openstreetmap.josm.tools.Geometry;
+import org.openstreetmap.josm.tools.Geometry.PolygonIntersection;
 
 /**
@@ -28 +29 @@
     }
     
+    public static boolean areAllOfThoseRings( Collection<Way> ways ) {
+        List<Way> rings = new ArrayList<Way>();
+        for( Way way : ways ) {
+            if( way.isClosed() )
+                rings.add(way);
+            else
+                return false;
+        }
+        if( rings.isEmpty() || ways.size() == 1 )
+            return false;
+
+        // check for non-containment of rings
+        for( int i = 0; i < rings.size() - 1; i++ ) {
+            for( int j = i + 1; j < rings.size(); j++ ) {
+                PolygonIntersection intersection = Geometry.polygonIntersection(rings.get(i).getNodes(), rings.get(j).getNodes());
+                if( intersection == PolygonIntersection.FIRST_INSIDE_SECOND || intersection == PolygonIntersection.SECOND_INSIDE_FIRST )
+                    return false;
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Creates ALOT of Multipolygons and pets him gently.
+     * @return list of new relations.
+     */
+    public static List<Relation> makeManySimpleMultipolygons( Collection<Way> selection, List<Command> commands ) {
+        System.out.println("---------------------------------------");
+        List<TheRing> rings = new ArrayList<TheRing>(selection.size());
+        for( Way w : selection )
+            rings.add(new TheRing(w));
+        for( int i = 0; i < rings.size() - 1; i++ )
+            for( int j = i + 1; j < rings.size(); j++ )
+                rings.get(i).collide(rings.get(j));
+        redistributeSegments(rings);
+        List<Relation> relations = new ArrayList<Relation>();
+        for( TheRing r : rings ) {
+            commands.addAll(r.getCommands());
+            relations.add(r.getRelation());
+        }
+        return relations;
+    }
+
     public void collide( TheRing other ) {
         boolean collideNoted = false;