Changeset 14802 in josm for trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java

Timestamp:

2019-02-23T17:46:51+01:00 (7 years ago)

Author:

Don-vip

Message:

fix #17131 - add mapcss function gpx_distance to get the distance to a gpx track (patch by Taylor Smock, modified)

File:

• trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java (modified) (2 diffs)

trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/ExpressionFactory.java

@@ -25 +25 @@
 
 import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.gpx.GpxDistance;
 import org.openstreetmap.josm.data.osm.IPrimitive;
 import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.OsmPrimitive;
 import org.openstreetmap.josm.data.osm.Way;
 import org.openstreetmap.josm.data.osm.search.SearchCompiler;
 import org.openstreetmap.josm.data.osm.search.SearchCompiler.Match;
 import org.openstreetmap.josm.data.osm.search.SearchParseError;
+import org.openstreetmap.josm.gui.MainApplication;
 import org.openstreetmap.josm.gui.mappaint.Cascade;
 import org.openstreetmap.josm.gui.mappaint.Environment;
@@ -520 +523 @@
 
         /**
+         * Returns the lowest distance between the OSM object and a GPX point
+         * <p>
+         * @param env the environment
+         * @return the distance between the object and the closest gpx point or {@code Double.MAX_VALUE}
+         * @since 14802
+         */
+        public static double gpx_distance(final Environment env) { // NO_UCD (unused code)
+            if (env.osm instanceof OsmPrimitive) {
+                return MainApplication.getLayerManager().getAllGpxData().stream()
+                        .mapToDouble(gpx -> GpxDistance.getLowestDistance((OsmPrimitive) env.osm, gpx))
+                        .min().orElse(Double.MAX_VALUE);
+            }
+            return Double.MAX_VALUE;
+        }
+
+        /**
          * Determines whether the object has a tag with the given key.
          * @param env the environment