Package com.vividsolutions.jtstest.function

Source Code of com.vividsolutions.jtstest.function.TestCaseGeometryFunctions

/*
* 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.vividsolutions.jtstest.function;

import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.operation.buffer.BufferOp;
import com.vividsolutions.jts.operation.buffer.BufferParameters;
import com.vividsolutions.jts.precision.MinimumClearance;
import com.vividsolutions.jts.densify.*;

/**
* Geometry functions which
* augment the existing methods on {@link Geometry},
* for use in XML Test files.
* This is the default used in the TestRunner,
* and thus all the operations
* in this class should be named differently to the Geometry methods
* (otherwise they will shadow the real Geometry methods).
* <p>
* If replacing a Geometry method is desired, this
* can be done via the -geomfunc argument to the TestRunner.
*
* @author Martin Davis
*
*/
public class TestCaseGeometryFunctions
{
  public static Geometry bufferMitredJoin(Geometry g, double distance
  {
    BufferParameters bufParams = new BufferParameters();
    bufParams.setJoinStyle(BufferParameters.JOIN_MITRE);
   
    return BufferOp.bufferOp(g, distance, bufParams);
  }

  public static Geometry densify(Geometry g, double distance)
  {
    return Densifier.densify(g, distance);
  }

  public static double minClearance(Geometry g)
  {
    return MinimumClearance.getDistance(g);
  }

  public static Geometry minClearanceLine(Geometry g)
  {
    return MinimumClearance.getLine(g);
  }

}
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