Changeset 9234 in josm

Timestamp:

2016-01-01T14:05:12+01:00 (9 years ago)

Author:

simon04

Message:

fix #11338 - Gpx tracks: speed outliers and coloring

Location:

trunk

Files:

• src/org/openstreetmap/josm/gui/layer/gpx/GpxDrawHelper.java (modified) (4 diffs)
• test/unit/org/openstreetmap/josm/tools/ColorScaleTest.java (added)

trunk/src/org/openstreetmap/josm/gui/layer/gpx/GpxDrawHelper.java

@@ -11 +11 @@
 import java.awt.RenderingHints;
 import java.awt.Stroke;
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.Date;
 import java.util.List;
@@ -224 +226 @@
         if (colorModeDynamic) {
             if (colored == ColorMode.VELOCITY) {
+                final List<Double> velocities = new ArrayList<>();
                 for (Collection<WayPoint> segment : data.getLinesIterable(null)) {
                     if (!forceLines) {
@@ -236 +239 @@
                             double vel = c.greatCircleDistance(oldWp.getCoor())
                                     / (trkPnt.time - oldWp.time);
+                            velocities.add(vel);
                             if (vel > maxval) {
                                 maxval = vel;
@@ -246 +250 @@
                     }
                 }
+                Collections.sort(velocities);
+                minval = velocities.get(velocities.size() / 20); // 5% percentile to remove outliers
+                maxval = velocities.get(velocities.size() * 19 / 20); // 95% percentile to remove outliers
                 if (minval >= maxval) {
                     velocityScale.setRange(0, 120/3.6);