/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2014, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*/
package org.geotools.geometry.jts;
import static org.junit.Assert.*;
import org.junit.Test;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.LineString;
import com.vividsolutions.jts.geom.MultiLineString;
import com.vividsolutions.jts.geom.MultiPoint;
import com.vividsolutions.jts.geom.Polygon;
import com.vividsolutions.jts.io.WKTReader;
/**
*
*
* @source $URL$
*/
public class WKTReader2Test {
@Test
public void verifyWKT() throws Exception {
String WKT = "LINESTRING (60 380, 60 20, 200 400, 280 20, 360 400, 420 20, 500 400, 580 20, 620 400)";
WKTReader reader = new WKTReader2();
Geometry geometry = reader.read(WKT);
assertNotNull(geometry);
assertTrue(geometry instanceof LineString);
}
@Test
public void multiPoint() throws Exception {
String WKT = "MULTIPOINT (111 -47, 110 -46.5)";
WKTReader reader = new WKTReader2();
Geometry geometry = reader.read(WKT);
assertNotNull(geometry);
assertTrue(geometry instanceof MultiPoint);
MultiPoint mp = (MultiPoint) geometry;
assertEquals(2, mp.getNumGeometries());
assertEquals(new Coordinate(111, -47), mp.getGeometryN(0).getCoordinate());
assertEquals(new Coordinate(110, -46.5), mp.getGeometryN(1).getCoordinate());
}
@Test
public void multiPointWithInnerParens() throws Exception {
String WKT = "MULTIPOINT ((111 -47), (110 -46.5))";
WKTReader reader = new WKTReader2();
Geometry geometry = reader.read(WKT);
assertNotNull(geometry);
assertTrue(geometry instanceof MultiPoint);
MultiPoint mp = (MultiPoint) geometry;
assertEquals(2, mp.getNumGeometries());
assertEquals(new Coordinate(111, -47), mp.getGeometryN(0).getCoordinate());
assertEquals(new Coordinate(110, -46.5), mp.getGeometryN(1).getCoordinate());
}
/**
* Draw a circle between the start and end point; or each group of three their after.
* @throws Exception
*/
@Test
public void circularString() throws Exception {
String WKT = "CIRCULARSTRING(220268.439465645 150415.359530563, 220227.333322076 150505.561285879, 220227.353105332 150406.434743975)";
WKTReader2 reader = new WKTReader2(0.2);
Geometry geometry = reader.read(WKT);
assertNotNull("parsed circularstring", geometry);
assertTrue(geometry instanceof CircularString);
CircularString cs1 = (CircularString) geometry;
System.out.println(cs1.toText());
assertEquals("segmentized as expected", 86, cs1.getNumPoints());
WKT = "CIRCULARSTRING(143.62025166838282 -30.037497356076827, 142.92857147299705 -32.75101196874403, 145.96132309891922 -34.985671061528784, 149.57565307617188 -33.41153335571289, 149.41972407584802 -29.824672680573517, 146.1209416055467 -30.19711586270431, 143.62025166838282 -30.037497356076827)";
geometry = reader.read(WKT);
assertNotNull("parsed circularstring ring",geometry);
Coordinate[] array = geometry.getCoordinates();
assertEquals( "forms a ring", array[0], array[ array.length-1]);
WKT = "CIRCULARSTRING(143.62025166838282 -30.037497356076827, 142.92857147299705 -32.75101196874403, 143.62025166838282 -30.037497356076827)";
geometry = reader.read(WKT);
assertNotNull("parsed perfect circle",geometry);
assertEquals(11, geometry.getNumPoints());
WKT = "CIRCULARSTRING EMPTY";
geometry = reader.read(WKT);
assertNotNull(geometry);
assertTrue( geometry.isEmpty() );
}
@Test
public void compoundCurve() throws Exception {
String WKT = "COMPOUNDCURVE((153.72942375 -27.21757040, 152.29285719 -29.23940482, 154.74034096 -30.51635287),CIRCULARSTRING(154.74034096 -30.51635287, 154.74034096 -30.51635287, 152.39926953 -32.16574411, 155.11278414 -34.08116619, 151.86720784 -35.62414508))";
WKTReader reader = new WKTReader2();
Geometry geometry = reader.read(WKT);
assertNotNull(geometry);
WKT = "COMPOUNDCURVE((153.72942375 -27.21757040, 152.29285719 -29.23940482, 154.74034096 -30.51635287))";
geometry = reader.read(WKT);
assertNotNull(geometry);
WKT = "COMPOUNDCURVE(CIRCULARSTRING(154.74034096 -30.51635287, 154.74034096 -30.51635287, 152.39926953 -32.16574411, 155.11278414 -34.08116619, 151.86720784 -35.62414508))";
geometry = reader.read(WKT);
assertNotNull(geometry);
WKT = "COMPOUNDCURVE EMPTY";
geometry = reader.read(WKT);
assertNotNull(geometry);
assertTrue( geometry.isEmpty() );
}
@Test
public void curvePolygon() throws Exception {
// perfect circle!
WKTReader reader = new WKTReader2();
String WKT;
Polygon polygon;
Geometry geometry;
WKT = "CURVEPOLYGON(CIRCULARSTRING(143.62025166838282 -30.037497356076827, 142.92857147299705 -32.75101196874403, 143.62025166838282 -30.037497356076827))";
geometry = reader.read(WKT);
assertNotNull("read curvepolygon", geometry);
assertTrue( geometry instanceof Polygon );
polygon = (Polygon) geometry;
assertTrue(polygon.getExteriorRing() instanceof CircularRing);
assertTrue( "ring", polygon.getExteriorRing().isClosed() );
assertEquals("segmented ring", 51, polygon.getExteriorRing().getNumPoints());
assertEquals( "no holes", 0, polygon.getNumInteriorRing() );
WKT = "CURVEPOLYGON((144.84399355252685 -31.26123924022086, 144.20551952601693 -32.27215644886158, 145.55230712890625 -33.49203872680664, 147.97080993652344 -32.03618621826172, 146.38697244992585 -31.47406391572417, 144.84399355252685 -31.26123924022086))";
polygon = (Polygon) reader.read( WKT );
assertTrue( "ring", polygon.getExteriorRing().isClosed() );
assertEquals( "no holes", 0, polygon.getNumInteriorRing() );
WKT = "CURVEPOLYGON("+
"CIRCULARSTRING(143.62025166838282 -30.037497356076827, 142.92857147299705 -32.75101196874403, 145.96132309891922 -34.985671061528784, 149.57565307617188 -33.41153335571289, 149.41972407584802 -29.824672680573517, 146.1209416055467 -30.19711586270431, 143.62025166838282 -30.037497356076827),"+
"(144.84399355252685 -31.26123924022086, 144.20551952601693 -32.27215644886158, 145.55230712890625 -33.49203872680664, 147.97080993652344 -32.03618621826172, 146.38697244992585 -31.47406391572417, 144.84399355252685 -31.26123924022086))";
polygon = (Polygon) reader.read( WKT );
assertTrue( "ring", polygon.getExteriorRing().isClosed() );
assertTrue(polygon.getExteriorRing() instanceof CircularRing);
assertEquals("one holes", 1, polygon.getNumInteriorRing());
assertFalse(polygon.getInteriorRingN(0) instanceof CircularRing);
WKT = "CURVEPOLYGON(COMPOUNDCURVE(CIRCULARSTRING(0 0,2 0, 2 1, 2 3, 4 3),(4 3, 4 5, 1 4, 0 0)), CIRCULARSTRING(1.7 1, 1.4 0.4, 1.6 0.4, 1.6 0.5, 1.7 1) )";
polygon = (Polygon) reader.read(WKT);
assertTrue("ring", polygon.getExteriorRing().isClosed());
assertTrue(polygon.getExteriorRing() instanceof CompoundRing);
assertEquals("one holes", 1, polygon.getNumInteriorRing());
assertTrue(polygon.getInteriorRingN(0) instanceof CircularRing);
}
@Test
public void testParseMulticurve() throws Exception {
WKTReader reader = new WKTReader2();
String WKT = "MULTICURVE EMPTY";
MultiLineString ml = (MultiLineString) reader.read(WKT);
assertTrue(ml.isEmpty());
WKT = "MULTICURVE((0 0, 5 5),CIRCULARSTRING(4 0, 4 4, 8 4))";
ml = (MultiLineString) reader.read(WKT);
assertEquals(2, ml.getNumGeometries());
assertTrue(ml.getGeometryN(0).getClass() == LineString.class);
assertTrue(ml.getGeometryN(1) instanceof CircularString);
WKT = "MULTICURVE((100 100, 120 120), COMPOUNDCURVE(CIRCULARSTRING(0 0, 2 0, 2 1, 2 3, 4 3),(4 3, 4 5, 1 4, 0 0)))";
ml = (MultiLineString) reader.read(WKT);
assertEquals(2, ml.getNumGeometries());
assertTrue(ml.getGeometryN(0).getClass() == LineString.class);
assertTrue(ml.getGeometryN(1) instanceof CompoundRing);
}
}