| gvSIG desktop 1

/*

 * Created on 24-sep-2007

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

*

* $Id$

* $Log$

*

*/

package org.gvsig.topology.util;

import java.util.ArrayList;

import com.hardcode.gdbms.engine.values.StringValue;

import com.hardcode.gdbms.engine.values.Value;

import com.hardcode.gdbms.engine.values.ValueFactory;

import com.iver.cit.gvsig.fmap.core.DefaultFeature;

import com.iver.cit.gvsig.fmap.core.FMultiPoint2D;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.IFeature;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.core.v02.FConverter;

import com.iver.cit.gvsig.fmap.drivers.FeatureCollectionMemoryDriver;

import com.iver.cit.gvsig.fmap.drivers.FieldDescription;

import com.iver.cit.gvsig.fmap.drivers.LayerDefinition;

import com.iver.cit.gvsig.fmap.layers.FLyrVect;

import com.vividsolutions.jts.geom.Coordinate;

import com.vividsolutions.jts.geom.Geometry;

import com.vividsolutions.jts.geom.GeometryFactory;

import com.vividsolutions.jts.geom.MultiPoint;

import com.vividsolutions.jts.geom.PrecisionModel;

import com.vividsolutions.jts.io.ParseException;

import com.vividsolutions.jts.io.WKTReader;

public class LayerFactory {

	static PrecisionModel pm = new PrecisionModel(10000);

	static GeometryFactory factory = new GeometryFactory(pm);

	static WKTReader wktReader = new WKTReader(factory);

	public static FLyrVect getLineLayerWithCollapsedCoords() throws ParseException{

		Geometry ln1 = wktReader.read("LINESTRING(500 500, 510 500)");

		Geometry ln2 = wktReader.read("LINESTRING(700 100, 720 120, 800 600)");

		FieldDescription fieldDescription = new FieldDescription();

		fieldDescription.setFieldName("str1");

		fieldDescription.setFieldType(FieldDescription.stringToType("String"));

		fieldDescription.setFieldLength(10);

		FieldDescription[] fields = {fieldDescription};

		LayerDefinition definition = new LayerDefinition();

		definition.setFieldsDesc(fields);

		definition.setShapeType(FShape.LINE);

		//feature 1

		StringValue value = ValueFactory.createValue("s1");

		Value[] values = {value};

		IGeometry iln1 = FConverter.jts_to_igeometry(ln1);

		DefaultFeature f1 = new DefaultFeature(iln1, values, "id1");

		StringValue value2 = ValueFactory.createValue("s2");

		Value[] values2 = {value2};

		IGeometry iln2 = FConverter.jts_to_igeometry(ln2);

		DefaultFeature f2 = new DefaultFeature(iln2, values2, "id2");

		ArrayList<IFeature> features = new ArrayList<IFeature>();

		features.add(f1);

		features.add(f2);

		FeatureCollectionMemoryDriver driver = 

			new FeatureCollectionMemoryDriver("multipuntos", 

				                                   features,

				                                   definition);

		return  (FLyrVect) com.iver.cit.gvsig.fmap.layers.LayerFactory.createLayer("multipuntos",

																driver, 

																null);

	}

	public static FLyrVect getLyrWithRepeatedCoords() throws ParseException{	

		Geometry multiPoint = wktReader.read("MULTIPOINT (520 160, 540 180, 540 180, 540 180, 600 180, 580 140, 640 140, 640 140, 640 160)");

		Geometry multiPoint2 = wktReader.read("MULTIPOINT (520 160, 540 180, 600 180, 580 140, 640 140,  640 160)");

		FieldDescription fieldDescription = new FieldDescription();

		fieldDescription.setFieldName("str1");

		fieldDescription.setFieldType(FieldDescription.stringToType("String"));

		fieldDescription.setFieldLength(10);

		FieldDescription[] fields = {fieldDescription};

		LayerDefinition definition = new LayerDefinition();

		definition.setFieldsDesc(fields);

		definition.setShapeType(FShape.MULTIPOINT);

		Coordinate[] coords = ((MultiPoint)multiPoint).getCoordinates();

		double[] x = new double[coords.length];

		double[] y = new double[coords.length];

		for(int i = 0; i < coords.length; i++){

			x[i] = coords[i].x;

			y[i] = coords[i].y;

		}

		FMultiPoint2D m1 = new FMultiPoint2D(x, y);

		StringValue value = ValueFactory.createValue("s1");

		Value[] values = {value};

		DefaultFeature f1 = new DefaultFeature(m1, values, "id1");

		Coordinate[] coords2 = ((MultiPoint)multiPoint2).getCoordinates();

		double[] x2 = new double[coords2.length];

		double[] y2 = new double[coords2.length];

		for(int i = 0; i < coords2.length; i++){

			x2[i] = coords2[i].x;

			y2[i] = coords2[i].y;

		}

		FMultiPoint2D m2 = new FMultiPoint2D(x2, y2);

		StringValue value2 = ValueFactory.createValue("s2");

		Value[] values2 = {value2};

		DefaultFeature f2 = new DefaultFeature(m2, values2, "id2");

		ArrayList<IFeature> features = new ArrayList<IFeature>();

		features.add(f1);

		features.add(f2);

		FeatureCollectionMemoryDriver driver = 

			new FeatureCollectionMemoryDriver("multipuntos", 

				                                   features,

				                                   definition);

		return  (FLyrVect) com.iver.cit.gvsig.fmap.layers.LayerFactory.createLayer("multipuntos",

																driver, 

																null);

	}

}