svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.jts / src / main / java / org / gvsig / fmap / geom / jts / primitive / curve / spline / Spline2DM.java @ 47432
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.geom.jts.primitive.curve.spline; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.CoordinateSequence; |
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import com.vividsolutions.jts.operation.buffer.BufferParameters; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryException; |
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import org.gvsig.fmap.geom.aggregate.MultiLine; |
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import org.gvsig.fmap.geom.aggregate.MultiPoint; |
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import org.gvsig.fmap.geom.aggregate.MultiPolygon; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiLine2DM; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiPoint2DM; |
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import org.gvsig.fmap.geom.jts.aggregate.MultiPolygon2DM; |
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import org.gvsig.fmap.geom.jts.primitive.curve.line.Line2DM; |
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import org.gvsig.fmap.geom.jts.primitive.point.Point2DM; |
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import org.gvsig.fmap.geom.jts.primitive.surface.polygon.Polygon2DM; |
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import org.gvsig.fmap.geom.jts.util.ArrayListCoordinateSequence; |
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import org.gvsig.fmap.geom.jts.util.JTSUtils; |
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import org.gvsig.fmap.geom.jts.util.OpenJUMPUtils; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.geom.primitive.Polygon; |
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import org.gvsig.fmap.geom.primitive.Spline; |
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/**
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* @author fdiaz
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*
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*/
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public class Spline2DM extends BaseSpline2DM implements Spline { |
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/**
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*
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*/
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private static final long serialVersionUID = 3275115053567971975L; |
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public Spline2DM() {
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super(Geometry.TYPES.SPLINE);
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} |
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/**
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*
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* @param coordinates
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*/
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public Spline2DM(Coordinate[] coordinates) { |
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super(Geometry.TYPES.SPLINE, coordinates);
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} |
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public Spline2DM(ArrayListCoordinateSequence coordinates) {
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super(Geometry.TYPES.SPLINE, coordinates);
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} |
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@Override
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public OrientablePrimitive addVertex(double x, double y) { |
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return this.addVertex(new Point2DM(x, y, 0)); |
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} |
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@Override
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public OrientablePrimitive addVertex(double x, double y, double z) { |
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String message = "Can't add x,y,z coordinate to Polygon2DM."; |
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notifyDeprecated(message); |
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throw new UnsupportedOperationException(message); |
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} |
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@Override
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public Geometry cloneGeometry() {
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Spline2DM clone = new Spline2DM(cloneCoordinates().toCoordinateArray());
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clone.setProjection(this.getProjection());
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return clone;
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} |
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@Override
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protected Point fixPoint(Point point) { |
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if (point instanceof Point2DM) { |
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return point;
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} else {
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return new Point2DM(point.getX(), point.getY(), 0); |
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} |
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} |
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@Override
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protected ArrayListCoordinateSequence getSplineCoordinates() {
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ArrayListCoordinateSequence splineCoordinates = new ArrayListCoordinateSequence();
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if (splineCoordinates == null || splineCoordinates.size() == 0) { |
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int num = coordinates.size();
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double[] px = new double[num]; |
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double[] py = new double[num]; |
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double[] pm = new double[num]; |
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for (int i = 0; i < num; i++) { |
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Coordinate coord = coordinates.get(i); |
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px[i] = coord.x; |
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py[i] = coord.y; |
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pm[i] = coord.getOrdinate(CoordinateSequence.M); |
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} |
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Spline splineX = new Spline(px);
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Spline splineY = new Spline(py);
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Spline splineM = new Spline(pm);
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splineCoordinates.add(coordinates.get(0));
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for (int i = 0; i < coordinates.size() - 1; i++) { |
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for (int t = 1; t <= SUBSEGMENTS; t++) { |
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if ((t == SUBSEGMENTS) && (i == (coordinates.size() - 2))) { |
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// We don't calculate the last point to avoid a possible
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// error precision with floating point numbers.
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splineCoordinates.add(JTSUtils.createMCoordinate(px[px.length - 1], py[px.length - 1], pm[px.length - 1])); |
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} else {
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double x1 = splineX.fn(i, ((double) t) / SUBSEGMENTS); |
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double y1 = splineY.fn(i, ((double) t) / SUBSEGMENTS); |
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double m1 = splineM.fn(i, ((double) t) / SUBSEGMENTS); |
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splineCoordinates.add(JTSUtils.createMCoordinate(x1, y1, m1)); |
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} |
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} |
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} |
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} |
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return splineCoordinates;
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} |
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@Override
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public MultiPoint toPoints() throws GeometryException { |
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MultiPoint multiPoint = new MultiPoint2DM();
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Coordinate[] theCoordinates = getJTS().getCoordinates();
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multiPoint.ensureCapacity(theCoordinates.length); |
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for (Coordinate theCoordinate : theCoordinates) {
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multiPoint.addPoint(new Point2DM(this.getProjection(), theCoordinate)); |
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} |
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return multiPoint;
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} |
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@Override
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public MultiLine toLines() throws GeometryException { |
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MultiLine multiLine = new MultiLine2DM();
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Line line = new Line2DM(getJTS().getCoordinates()); |
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multiLine.addPrimitive(line); |
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return multiLine;
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} |
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@Override
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public MultiPolygon toPolygons() throws GeometryException { |
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MultiPolygon multiPolygon = new MultiPolygon2DM();
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Polygon polygon = new Polygon2DM(getJTS().getCoordinates()); |
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multiPolygon.addPrimitive(polygon); |
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return multiPolygon;
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} |
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@Override
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public Point getVertex(int index) { |
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Point2DM vertex = new Point2DM(this.getProjection(), this.coordinates.get(index)); |
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anyVertex = vertex; |
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return vertex;
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} |
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@Override
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public Geometry offset(double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Coordinate[] coords = getJTS().getCoordinates();
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ArrayListCoordinateSequence listCoordSequence = new ArrayListCoordinateSequence(new ArrayList<>()); |
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listCoordSequence.addAll(Arrays.asList(coords));
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if (isClosed()) {
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return JTSUtils.offsetClosedLine(this.getProjection(), listCoordSequence, distance); |
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} else {
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return OpenJUMPUtils.offsetCleanOpenLine(this.getProjection(), listCoordSequence, distance); |
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} |
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} |
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@Override
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public Geometry offset(int joinStyle, double distance) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Coordinate[] coords = getJTS().getCoordinates();
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ArrayListCoordinateSequence listCoordSequence = new ArrayListCoordinateSequence(new ArrayList<Coordinate>()); |
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for (int i = 0; i < coords.length; i++) { |
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listCoordSequence.add(coords[i]); |
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} |
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if (isClosed()) {
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return JTSUtils.offsetClosedLine(this.getProjection(), listCoordSequence, joinStyle, distance); |
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} else {
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BufferParameters bufParams = JTSUtils.getBufferParameters(joinStyle, BufferParameters.CAP_FLAT); |
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return OpenJUMPUtils.offsetCleanOpenLine(this.getProjection(), listCoordSequence, bufParams, distance); |
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} |
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} |
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@Override
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public boolean equals(Object obj) { |
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boolean res = super.equals(obj); |
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if(res && obj instanceof Spline2DM){ |
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Spline2DM other = (Spline2DM)obj; |
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if(this.getNumVertices() != other.getNumVertices()){ |
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return false; |
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} |
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for(int i=0; i < this.getNumVertices(); i++){ |
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if(other.coordinates.get(i).getOrdinate(2)!=this.coordinates.get(i).getOrdinate(2)){ |
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return false; |
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} |
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} |
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return true; |
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} else {
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return false; |
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} |
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} |
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@Override
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public Geometry force2DM() throws GeometryOperationNotSupportedException, GeometryOperationException { |
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Geometry c = this.cloneGeometry();
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return c;
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} |
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} |