X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fgps%2Ftrack%2FTrack.java;fp=gps%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fgps%2Ftrack%2FTrack.java;h=30e49f01d277ae457ef74d21563170254f05f3c9;hb=4a27bb58a18d180cfd21ba0d59c35d775dec064c;hp=0000000000000000000000000000000000000000;hpb=c2ca8438bcaa20bfe3e90bb379343c019c33f339;p=utils diff --git a/gps/src/main/java/org/wamblee/gps/track/Track.java b/gps/src/main/java/org/wamblee/gps/track/Track.java new file mode 100644 index 00000000..30e49f01 --- /dev/null +++ b/gps/src/main/java/org/wamblee/gps/track/Track.java @@ -0,0 +1,85 @@ +/* + * Copyright 2006 the original author or authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.wamblee.gps.track; + +import java.io.Serializable; +import java.util.ArrayList; +import java.util.List; + +import org.wamblee.gps.geometry.Point; + +/** + * Represents a GPS track. + */ +public class Track implements Serializable { + + private List _points; + + /** + * Constructs an empty track. + * + */ + public Track() { + _points = new ArrayList(); + } + + /** + * Adds a point to a track. + * @param aPoint Point. + */ + public void addPoint(TrackPoint aPoint) { + _points.add(aPoint); + } + + /** + * @return Number of points in the track. + */ + public int size() { + return _points.size(); + } + + public double getMinCoordinate(int i) { + if ( size() == 0 ) { + throw new IllegalArgumentException("empty track"); + } + double min = getPoint(0).getCoordinates().getX(i); + for (int j = 1; j < size(); j++) { + min = Math.min(min, getPoint(j).getCoordinates().getX(i)); + } + return min; + } + + public double getMaxCoordinate(int i) { + if ( size() == 0 ) { + throw new IllegalArgumentException("empty track"); + } + double max = getPoint(0).getCoordinates().getX(i); + for (int j = 1; j < size(); j++) { + max = Math.max(max, getPoint(j).getCoordinates().getX(i)); + } + return max; + } + + /** + * Gets the point at the given inded. + * @param aIndex 0 <= aIndex < size() + * @return Point. + */ + public Point getPoint(int aIndex) { + return _points.get(aIndex); + } +}