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diff --git a/src/de/lmu/ifi/dbs/elki/datasource/filter/transform/LatLngToECEFFilter.java b/src/de/lmu/ifi/dbs/elki/datasource/filter/transform/LatLngToECEFFilter.java
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+++ b/src/de/lmu/ifi/dbs/elki/datasource/filter/transform/LatLngToECEFFilter.java
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+package de.lmu.ifi.dbs.elki.datasource.filter.transform;
+
+/*
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
+
+ Copyright (C) 2013
+ Ludwig-Maximilians-Universität München
+ Lehr- und Forschungseinheit für Datenbanksysteme
+ ELKI Development Team
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import de.lmu.ifi.dbs.elki.data.NumberVector;
+import de.lmu.ifi.dbs.elki.data.type.SimpleTypeInformation;
+import de.lmu.ifi.dbs.elki.data.type.VectorFieldTypeInformation;
+import de.lmu.ifi.dbs.elki.datasource.filter.AbstractStreamConversionFilter;
+import de.lmu.ifi.dbs.elki.math.geodesy.EarthModel;
+import de.lmu.ifi.dbs.elki.math.geodesy.SphericalVincentyEarthModel;
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.AbstractParameterizer;
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.Parameterization;
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.ObjectParameter;
+
+/**
+ * Project a 2D data set (latitude, longitude) to a 3D coordinate system (X, Y,
+ * Z), such that Euclidean distance is line-of-sight.
+ * 
+ * @author Erich Schubert
+ * 
+ * @param <V> Vector type.
+ */
+public class LatLngToECEFFilter<V extends NumberVector<?>> extends AbstractStreamConversionFilter<V, V> {
+  /**
+   * Vector factory to use.
+   */
+  private NumberVector.Factory<V, ?> factory;
+
+  /**
+   * Earth model to use.
+   */
+  private EarthModel model;
+
+  /**
+   * Constructor.
+   * 
+   * @param model Earth model
+   */
+  public LatLngToECEFFilter(EarthModel model) {
+    super();
+    this.model = model;
+  }
+
+  @Override
+  protected V filterSingleObject(V obj) {
+    return factory.newNumberVector(model.latLngDegToECEF(obj.doubleValue(0), obj.doubleValue(1)));
+  }
+
+  @Override
+  protected SimpleTypeInformation<? super V> getInputTypeRestriction() {
+    return new VectorFieldTypeInformation<>(NumberVector.class, 2, 2);
+  }
+
+  @Override
+  protected SimpleTypeInformation<? super V> convertedType(SimpleTypeInformation<V> in) {
+    VectorFieldTypeInformation<V> vin = (VectorFieldTypeInformation<V>) in;
+    factory = (NumberVector.Factory<V, ?>) vin.getFactory();
+    return new VectorFieldTypeInformation<>(vin.getFactory(), 3, 3, in.getSerializer());
+  }
+
+  /**
+   * Parameterization class.
+   * 
+   * @author Erich Schubert
+   * 
+   * @apiviz.exclude
+   * 
+   * @param <V> Vector type
+   */
+  public static class Parameterizer<V extends NumberVector<?>> extends AbstractParameterizer {
+    /**
+     * Earth model to use.
+     */
+    private EarthModel model;
+
+    @Override
+    protected void makeOptions(Parameterization config) {
+      super.makeOptions(config);
+      ObjectParameter<EarthModel> modelP = new ObjectParameter<>(EarthModel.MODEL_ID, EarthModel.class, SphericalVincentyEarthModel.class);
+      if (config.grab(modelP)) {
+        model = modelP.instantiateClass(config);
+      }
+    }
+
+    @Override
+    protected LatLngToECEFFilter<V> makeInstance() {
+      return new LatLngToECEFFilter<>(model);
+    }
+  }
+}