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package com.vividsolutions.jtstest.function;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.operation.buffer.BufferParameters;
import com.vividsolutions.jts.operation.buffer.OffsetCurveBuilder;

public class OffsetCurveFunctions {

  public static Geometry offsetCurve(Geometry geom, double distance)
  {
    BufferParameters bufParams = new BufferParameters();
    OffsetCurveBuilder ocb = new OffsetCurveBuilder(
        geom.getFactory().getPrecisionModel(), bufParams
        );
    Coordinate[] pts = ocb.getOffsetCurve(geom.getCoordinates(), distance);
    Geometry curve = geom.getFactory().createLineString(pts);
    return curve;
  }


}