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78 lines
2.7 KiB
78 lines
2.7 KiB
package seng302.Model;
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import org.geotools.referencing.GeodeticCalculator;
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import org.junit.Test;
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import seng302.Constants;
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import java.awt.geom.Point2D;
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import static junit.framework.TestCase.assertEquals;
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/**
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* Created by esa46 on 22/03/17.
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*/
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public class LegTest {
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private CompoundMark ORIGIN_Compound_MARKER = new CompoundMark(new Mark(1, "test mark1", new GPSCoordinate(0, 0)));
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@Test
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public void calculateDistanceHandles5nmNorth() {
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GeodeticCalculator calc = new GeodeticCalculator();
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calc.setStartingGeographicPoint(0, 0);
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calc.setDirection(0, 5 * Constants.NMToMetersConversion);
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CompoundMark endMarker = getEndMarker(calc.getDestinationGeographicPoint());
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Leg test = new Leg("Test", ORIGIN_Compound_MARKER, endMarker, 0);
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assertEquals(test.getDistanceNauticalMiles(), 5, 1e-8);
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}
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@Test
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public void calculateDistanceHandles12nmEast() {
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GeodeticCalculator calc = new GeodeticCalculator();
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calc.setStartingGeographicPoint(0, 0);
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calc.setDirection(90, 12 * Constants.NMToMetersConversion);
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CompoundMark endMarker = getEndMarker(calc.getDestinationGeographicPoint());
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Leg test = new Leg("Test", ORIGIN_Compound_MARKER, endMarker, 0);
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assertEquals(test.getDistanceNauticalMiles(), 12, 1e-8);
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}
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@Test
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public void calculateDistanceHandlesHalfnmSouth() {
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GeodeticCalculator calc = new GeodeticCalculator();
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calc.setStartingGeographicPoint(0, 0);
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calc.setDirection(180, 0.5 * Constants.NMToMetersConversion);
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CompoundMark endMarker = getEndMarker(calc.getDestinationGeographicPoint());
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Leg test = new Leg("Test", ORIGIN_Compound_MARKER, endMarker, 0);
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assertEquals(test.getDistanceNauticalMiles(), 0.5, 1e-8);
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}
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@Test
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public void calculateDistanceHandlesPoint1nmWest() {
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GeodeticCalculator calc = new GeodeticCalculator();
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calc.setStartingGeographicPoint(0, 0);
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calc.setDirection(-90, 0.1 * Constants.NMToMetersConversion);
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CompoundMark endMarker = getEndMarker(calc.getDestinationGeographicPoint());
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Leg test = new Leg("Test", ORIGIN_Compound_MARKER, endMarker, 0);
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assertEquals(test.getDistanceNauticalMiles(), 0.1, 1e-8);
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}
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@Test
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public void calculateDistanceHandlesZeroDifference() {
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Leg test = new Leg("Test", ORIGIN_Compound_MARKER, ORIGIN_Compound_MARKER, 0);
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assertEquals(test.getDistanceNauticalMiles(), 0, 1e-8);
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}
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private CompoundMark getEndMarker(Point2D point) {
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GPSCoordinate coords = new GPSCoordinate(point.getY(), point.getX());
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return new CompoundMark(new Mark(3, "test mark3", coords));
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}
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}
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