/*
* The JTS Topology Suite is a collection of Java classes that
* implement the fundamental operations required to validate a given
* geo-spatial data set to a known topological specification.
*
* Copyright (C) 2001 Vivid Solutions
*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.revolsys.geometry.test.old.perf.operation.buffer;
import com.revolsys.geometry.model.Geometry;
import com.revolsys.geometry.model.GeometryFactory;
import com.revolsys.geometry.model.LineCap;
import com.revolsys.geometry.model.LineJoin;
import com.revolsys.geometry.operation.buffer.BufferParameters;
/**
* Tests self-snapping issues
*
* @version 1.7
*/
public class BufferCorrectnessTest {
public static void main(final String args[]) {
try {
new BufferCorrectnessTest().run7();
} catch (final Exception ex) {
ex.printStackTrace();
}
}
private final GeometryFactory geometryFactory = GeometryFactory.floating(0, 2);
public BufferCorrectnessTest() {
}
void doBuffer(final String wkt, final double dist) throws Exception {
final Geometry g = this.geometryFactory.geometry(wkt);
final Geometry buf = g.buffer(dist, -4);
// System.out.println(buf);
};
void doBuffer(final String wkt, final double dist, final int quadSegs) throws Exception {
final Geometry g = this.geometryFactory.geometry(wkt);
final Geometry buf = g.buffer(dist, quadSegs);
// System.out.println(buf);
};
void run() throws Exception {
doBuffer("LINESTRING (110 320, 280 290, 170 150)", 20.0, -1);
// doBuffer("LINESTRING (10 0, 0 0, 10 1)");
};
void run2() throws Exception {
final String wkt = "POLYGON ((-2531.310546875 -17.19328498840332, -2518.694580078125 -27.471830368041992, -2564.515869140625 -44.53504943847656, -2531.310546875 -17.19328498840332))";
final Geometry g = this.geometryFactory.geometry(wkt);
final Geometry buf = g.buffer(1.0, 1);
// System.out.println(buf);
};
void run3() throws Exception {
final String wkt = "MULTILINESTRING ((1335558.59524 631743.01449, 1335572.28215 631775.89056, 1335573.2578018496 631782.1915185435), (1335573.2578018496 631782.1915185435, 1335576.62035 631803.90754), (1335558.59524 631743.01449, 1335573.2578018496 631782.1915185435), (1335573.2578018496 631782.1915185435, 1335580.70187 631802.08139))";
final Geometry g = this.geometryFactory.geometry(wkt);
final Geometry buf = g.buffer(15);
// System.out.println(buf);
};
void run4() throws Exception {
// String wkt =
// "LINESTRING (1872699.676 530329.155, 1872712.232 530255.793, 1872724.601
// 530183.526, 1872737.157 530110.164, 1872749.713 530036.802, 1872762.082
// 529964.535, 1872774.638 529891.173, 1872787.194 529817.811, 1872799.563
// 529745.545, 1872812.119 529672.183, 1872824.675 529598.821, 1872837.044
// 529526.555, 1872849.6 529453.194, 1872862.156 529379.832, 1872874.524
// 529307.566, 1872887.08 529234.205, 1872899.636 529160.844, 1872912.005
// 529088.578, 1872924.561 529015.217, 1872937.117 528941.856, 1872949.486
// 528869.59, 1872962.042 528796.23)";
// String wkt =
// "LINESTRING(1872762.082 529964.535, 1872774.638 529891.173, 1872787.194
// 529817.811)";
final String wkt = "LINESTRING (1872612.157 530840.503, 1872624.713 530767.14, 1872637.269 530693.777)";
final Geometry g = this.geometryFactory.geometry(wkt);
final BufferParameters params = new BufferParameters(10, LineCap.SQUARE, LineJoin.MITER, 10);
final Geometry buf = g.buffer(200, params);
// System.out.println(buf);
}
void run5() throws Exception {
// polygon with two vertices very close - mitred negative buffer lies
// outside input
final String wkt = "POLYGON ((588722.7612465625 4518964.956739423, 588755.2073151038 4518948.2420851765, 588750.2892019567 4518938.490656119, 588750.2892047082 4518938.490654858, 588741.1098934844 4518920.290260831, 588722.7612465625 4518964.956739423))";
final Geometry g = this.geometryFactory.geometry(wkt);
final BufferParameters params = new BufferParameters(8, LineCap.ROUND, LineJoin.MITER, 5);
final Geometry buf = g.buffer(-5, params);
// System.out.println(buf);
};
void run6() throws Exception {
// polygon with two vertices very close - mitred negative buffer lies
// outside input
final String wkt = "POLYGON ((589081.1515112884 4518509.334764771, 589103.7370954598 4518497.015419995, 589099.8017397423 4518490.719003885, 589097.1198886324 4518486.20858194, 589090.9424687021 4518475.819013388, 589081.1515112884 4518509.334764771))";
final Geometry g = this.geometryFactory.geometry(wkt);
final BufferParameters params = new BufferParameters(8, LineCap.ROUND, LineJoin.MITER, 5);
final Geometry buf = g.buffer(-5, params);
// System.out.println(buf);
};
void run7() throws Exception {
// buffer fails
final String wkt = "MULTILINESTRING ((1335558.59524 631743.01449, 1335572.28215 631775.89056, 1335573.2578018496 631782.1915185435), (1335573.2578018496 631782.1915185435, 1335576.62035 631803.90754), (1335573.2578018496 631782.1915185435, 1335580.70187 631802.08139))";
final Geometry g = this.geometryFactory.geometry(wkt);
final Geometry buf = g.buffer(15);
// System.out.println(buf);
};
}