Changeset 29207 in osm for applications/editors/josm/plugins/smed2/src/seamap

Timestamp:

2013-01-22T23:39:39+01:00 (13 years ago)

Author:

malcolmh

Message:

save

File:

• applications/editors/josm/plugins/smed2/src/seamap/Renderer.java (modified) (2 diffs)

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

@@ -211 +211 @@
                                                                         double s = prev.distance(next);
                                                                         double p = curr.distance(prev);
-                                                                        if (p > 0) {
+                                                                        if ((s > 0) && (p > 0)) {
                                                                                 double n = curr.distance(next);
-                                                                                double beta = Math.acos((s * s + p * p - n * n) / 2 / s / p);
-                                                                                double gamma = Math.asin(p / len * Math.sin(beta));
-                                                                                double alpha = Math.PI - beta - gamma;
-                                                                                rem = len * Math.sin(alpha) / Math.sin(beta);
+                                                                                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)));
@@ -225 +224 @@
                                                                 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);
+                                                                                        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;