Changeset 29826 in osm for applications/editors/josm/plugins/smed2

Timestamp:

2013-08-05T11:15:02+02:00 (11 years ago)

Author:

malcolmh

Message:

save

Location:

applications/editors/josm/plugins/smed2/src/seamap

Files:

• Renderer.java (modified) (13 diffs)
• SeaMap.java (modified) (9 diffs)

applications/editors/josm/plugins/smed2/src/seamap/Renderer.java

@@ -11 +11 @@
 
 import java.awt.*;
+import java.awt.font.*;
 import java.awt.geom.*;
 import java.util.*;
@@ -25 +26 @@
 
 public class Renderer {
-        
+
         static MapHelper helper;
         static SeaMap map;
@@ -32 +33 @@
         static Graphics2D g2;
         static int zoom;
-        
+
         public static void reRender(Graphics2D g, int z, double factor, SeaMap m, MapHelper h) {
                 g2 = g;
@@ -38 +39 @@
                 helper = h;
                 map = m;
-                sScale = Symbols.symbolScale[zoom]*factor;
-                tScale = Symbols.textScale[zoom]*factor;
+                sScale = Symbols.symbolScale[zoom] * factor;
+                tScale = Symbols.textScale[zoom] * factor;
                 if (map != null) {
                         g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
@@ -46 +47 @@
                 }
         }
-        
+
         public static AttMap getAtts(Feature feature, Obj obj, int idx) {
                 HashMap<Integer, AttMap> objs = feature.objs.get(obj);
-                if (objs == null) return null;
-                else return objs.get(idx);
-        }
-        
+                if (objs == null)
+                        return null;
+                else
+                        return objs.get(idx);
+        }
+
         public static Object getAttVal(Feature feature, Obj obj, int idx, Att att) {
                 AttMap atts = getAtts(feature, obj, idx);
-                if (atts == null) return S57val.nullVal(att);
+                if (atts == null)
+                        return S57val.nullVal(att);
                 else {
                         AttItem item = atts.get(att);
-                        if (item == null) return S57val.nullVal(att);
+                        if (item == null)
+                                return S57val.nullVal(att);
                         return item.val;
                 }
@@ -73 +78 @@
                 }
         }
-        
+
         private static Rectangle symbolSize(Symbol symbol) {
                 Symbol ssymb = symbol;
@@ -82 +87 @@
                                 }
                                 if (item.type == Prim.SYMB) {
-                                        ssymb = ((SubSymbol)item.params).instr;
+                                        ssymb = ((SubSymbol) item.params).instr;
                                         break;
                                 }
@@ -90 +95 @@
                 }
                 return null;
+        }
+
+        private double mile(Feature feature) {
+                return Math.pow(2, zoom) * 256 / (21600 * Math.abs(Math.cos(feature.centre.lat)));
         }
         
@@ -133 +142 @@
                                         if (first) {
                                                 curr = succ = next;
-                                                gap  = (space > 0);
-                                                scount  = ratio;
-                                                symbol  = prisymb;
+                                                gap = (space > 0);
+                                                scount = ratio;
+                                                symbol = prisymb;
                                                 len = gap ? psize * space * 0.5 : psize;
                                                 first = false;
@@ -156 +165 @@
                                                         }
                                                         if (!gap) {
-                                                                Symbols.drawSymbol(g2, symbol, sScale, curr.getX(), curr.getY(),
-                                                                                new Delta(Handle.BC, AffineTransform.getRotateInstance(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())) + Math.toRadians(90))), null);
-                                                        }
-                                                        if (space > 0) gap = !gap;
+                                                                Symbols.drawSymbol(g2, symbol, sScale, curr.getX(), curr.getY(), new Delta(Handle.BC, AffineTransform.getRotateInstance(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())) + Math.toRadians(90))), null);
+                                                        }
+                                                        if (space > 0)
+                                                                gap = !gap;
                                                         curr = succ;
                                                         len = gap ? (psize * space) : (--scount == 0) ? ssize : psize;
@@ -175 +184 @@
         }
 
-        public static void lineVector (Feature feature, LineStyle style) {
+        public static void lineVector(Feature feature, LineStyle style) {
                 Path2D.Double p = new Path2D.Double();
                 p.setWindingRule(GeneralPath.WIND_EVEN_ODD);
@@ -220 +229 @@
                 }
         }
-        
-        public static void labelText (Feature feature, String str, Font font, Color colour, Delta delta) {
+
+        public static void labelText(Feature feature, String str, Font font, Color colour, Delta delta) {
                 Symbol label = new Symbol();
                 label.add(new Instr(Prim.TEXT, new Caption(str, font, colour, (delta == null) ? new Delta(Handle.CC, null) : delta)));
@@ -227 +236 @@
                 Symbols.drawSymbol(g2, label, tScale, point.getX(), point.getY(), null, null);
         }
-        
-        public static void lineText (Feature feature, String str, Font font, Color colour, double offset, double dy) {
-                
+
+        public static void lineText(Feature feature, String str, Font font, Color colour, double offset, double dy) {
+                Area area;
+                switch (feature.flag) {
+                case LINE:
+                        Edge edge = map.edges.get(feature.refs);
+                        area = map.new Area();
+                        area.add(map.new Bound(map.new Side(edge, true), true));
+                        break;
+                case AREA:
+                        area = map.areas.get(feature.refs);
+                        break;
+                default:
+                        return;
+                }
+//              Rectangle prect = symbolSize(prisymb);
+                if (!str.isEmpty()) {
+                        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+            FontRenderContext frc = g2.getFontRenderContext();
+            GlyphVector gv = font.deriveFont((float)(font.getSize()*tScale)).createGlyphVector(frc, str);
+//                      double psize = Math.abs(prect.getX());
+                        Point2D prev = new Point2D.Double();
+                        Point2D next = new Point2D.Double();
+                        Point2D curr = new Point2D.Double();
+                        Point2D succ = new Point2D.Double();
+                        boolean gap = true;
+                        boolean piv = false;
+                        double len = 0;
+                        double angle = 0;
+                        for (Bound bound : area) {
+                                BoundIterator bit = map.new BoundIterator(bound);
+                                boolean first = true;
+                                while (bit.hasNext()) {
+                                        prev = next;
+                                        next = helper.getPoint(bit.next());
+                                        angle = Math.atan2(next.getY() - prev.getY(), next.getX() - prev.getX());
+                                        piv = true;
+                                        if (first) {
+                                                curr = succ = next;
+//                                              gap = (space > 0);
+//                                              len = gap ? psize * space * 0.5 : psize;
+                                                first = false;
+                                        } else {
+                                                while (curr.distance(next) >= len) {
+                                                        if (piv) {
+                                                                double rem = len;
+                                                                double s = prev.distance(next);
+                                                                double p = curr.distance(prev);
+                                                                if ((s > 0) && (p > 0)) {
+                                                                        double n = curr.distance(next);
+                                                                        double theta = Math.acos((s * s + p * p - n * n) / 2 / s / p);
+                                                                        double phi = Math.asin(p / len * Math.sin(theta));
+                                                                        rem = len * Math.sin(Math.PI - theta - phi) / Math.sin(theta);
+                                                                }
+                                                                succ = new Point2D.Double(prev.getX() + (rem * Math.cos(angle)), prev.getY() + (rem * Math.sin(angle)));
+                                                                piv = false;
+                                                        } else {
+                                                                succ = new Point2D.Double(curr.getX() + (len * Math.cos(angle)), curr.getY() + (len * Math.sin(angle)));
+                                                        }
+                                                        if (!gap) {
+//                                                              Symbols.drawSymbol(g2, symbol, sScale, curr.getX(), curr.getY(), new Delta(Handle.BC, AffineTransform.getRotateInstance(Math.atan2((succ.getY() - curr.getY()), (succ.getX() - curr.getX())) + Math.toRadians(90))), null);
+                                                        }
+                                                        gap = false;
+                                                        curr = succ;
+//                                                      len = psize;
+                                                }
+                                        }
+                                }
+                        }
+                }
         }
 }

applications/editors/josm/plugins/smed2/src/seamap/SeaMap.java

@@ -163 +163 @@
                 public AttMap atts;
                 public ObjMap objs;
-                public long area;
+                public double area;
+                public double length;
                 public Snode centre;
 
@@ -173 +174 @@
                         objs = new ObjMap();
                         area = 0;
+                        length = 0;
                         centre = new Snode();
                 }
@@ -377 +379 @@
                                 node.flg = Nflag.ISOL;
                         }
+                        feature.length = 0;
+                        feature.area = 0;
                         break;
                 case LINE:
@@ -382 +386 @@
                         nodes.get(edge.first).flg = Nflag.CONN;
                         nodes.get(edge.last).flg = Nflag.CONN;
+                        Bound ebound = (new Bound(new Side(edge, edge.forward), true));
+                        feature.length = calcLength(ebound);
                         if (edge.first == edge.last) {
                                 feature.flag = Fflag.AREA;
                                 Area area = new Area();
-                                area.add(new Bound(new Side(edge, edge.forward), true));
+                                area.add(ebound);
+                                feature.area = calcArea(ebound);
                                 areas.put(id, area);
+                        } else {
+                                feature.area = 0;
                         }
                         break;
                 case AREA:
+                        Bound bound = null;
                         Area area = new Area();
                         ArrayList<Long> role = outers;
@@ -397 +407 @@
                                         long node1 = edge.first;
                                         long node2 = edge.last;
-                                        Bound bound = new Bound(new Side(edge, edge.forward), (role == outers));
+                                        bound = new Bound(new Side(edge, edge.forward), (role == outers));
                                         if (node1 != node2) {
                                                 for (ListIterator<Long> it = role.listIterator(0); it.hasNext();) {
@@ -417 +427 @@
                                 }
                                 if (role == outers) {
+                                        feature.length = calcLength(bound);
+                                        feature.area = calcArea(bound);
                                         role = inners;
                                 } else {
@@ -435 +447 @@
         }
 
-        public double signedArea(Bound bound) {
+        double signedArea(Bound bound) {
                 Snode node;
                 double lat, lon, llon, llat;
@@ -449 +461 @@
                         sigma += (lon * Math.sin(llat)) - (llon * Math.sin(lat));
                 }
-                return sigma;
+                return sigma / 2.0;
         }
 
@@ -457 +469 @@
 
         public double calcArea(Bound bound) {
-                return Math.abs(signedArea(bound)) * 3444 * 3444 / 2.0;
+                return Math.abs(signedArea(bound)) * 3444 * 3444;
+        }
+
+        public double calcLength(Bound bound) {
+                Snode node;
+                double lat, lon, llon, llat;
+                lat = lon = llon = llat = 0;
+                double sigma = 0;
+                BoundIterator it = new BoundIterator(bound);
+                if (it.hasNext()) {
+                        node = it.next();
+                        lat = node.lat;
+                        lon = node.lon;
+                        while (it.hasNext()) {
+                                llon = lon;
+                                llat = lat;
+                                node = it.next();
+                                lat = node.lat;
+                                lon = node.lon;
+                                sigma += Math.acos(Math.sin(lat) * Math.sin(llat) + Math.cos(lat) * Math.cos(llat) * Math.cos(llon - lon));
+                        }
+                }
+                return sigma * 3444;
         }