| gvSIG desktop 1

package org.gvsig.fmap.raster.grid.roi;

import junit.framework.TestCase;

import org.gvsig.raster.buffer.RasterBufferInvalidException;

import org.gvsig.raster.dataset.IBuffer;

import org.gvsig.raster.grid.Grid;

import org.gvsig.raster.grid.GridExtent;

import org.gvsig.raster.grid.OutOfGridException;

/*import com.iver.cit.gvsig.fmap.core.GeneralPathX;

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

import com.iver.cit.gvsig.fmap.core.ShapeFactory;*/

/**

 * Test sobre la obtenci?n de estad?sticas de regiones de inter?s.

 * 

 *  @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)

 *

 */

public class TestRoiStatistics extends TestCase {

	Grid grid = null;

	GridExtent extent = null;

	int cellSize = 1;

	double xMin = 0;

	double xMax = 10;

	double yMin = 0;

	double yMax = 10;

	VectorialROI roi = null;

	/*GeneralPathX path = null;

	IGeometry geometry = null;*/

	public void setUp() {

		int bands[] = {0};

		extent = new GridExtent();

		extent.setCellSize(cellSize);

		extent.setXRange(xMin, xMax);

		extent.setYRange(yMin, yMax);

		try {

			grid = new Grid(extent, extent, IBuffer.TYPE_DOUBLE, bands);

			for (int x = 0; x<5; x++)

				for (int y = 0; y<5; y++){

					grid.setCellValue(x, y, 0.0);

				}

			for (int x = 5; x<xMax; x++)

				for (int y = 0; y<5; y++){

					grid.setCellValue(x, y, 1.0);

				}

			for (int x = 0; x<5; x++)

				for (int y = 5; y<10; y++){

					grid.setCellValue(x, y, 2.0);

				}

			for (int x = 5; x<9; x++)

				for (int y = 5; y<10; y++){

					grid.setCellValue(x, y, 3.0);

				}

		} catch (RasterBufferInvalidException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (OutOfGridException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	}

	public void start() {

		this.setUp();

		this.testStack();

	}

	public void testStack() {

		/*path = new GeneralPathX();

		path.moveTo(4,4);

		path.lineTo(4,0);

		path.lineTo(0,0);

		path.lineTo(0,4);

		path.closePath();

		geometry=ShapeFactory.createPolygon2D(path);

		roi = new VectorialROI(grid);

		roi.addGeometry(geometry);

		assertEquals(2.0,roi.getMaxValue(),0.0);

		assertEquals(2.0,roi.getMeanValue(),0.0);

		assertEquals(2.0,roi.getMinValue(),0.0);

		path = new GeneralPathX();

		path.moveTo(9,4);

		path.lineTo(9,2);

		path.lineTo(6,2);

		path.lineTo(6,4);

		path.closePath();

		geometry=ShapeFactory.createPolygon2D(path);

		roi = new VectorialROI(grid);

		roi.addGeometry(geometry);

		assertEquals(3.0,roi.getMaxValue(),0.0);

		assertEquals(3.0,roi.getMeanValue(),0.0);

		assertEquals(3.0,roi.getMinValue(),0.0);*/

	}

}

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

 *

 * Copyright (C) 2006 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.

 */

package org.gvsig.fmap.raster.grid.roi;

import java.util.ArrayList;

import org.gvsig.raster.grid.Grid;

import org.gvsig.raster.grid.roi.ROI;

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

/**

 * Clase que representa una regi?n de interes conformada por

 * elementos vectoriales. 

 * 

 * @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)

 *

 */

public class VectorialROI extends ROI {

	private ArrayList				geometries   = null; // Array de geometr?as (IGeometry) que definen el ROI.

	public VectorialROI(Grid grid) {

		super(grid);

		geometries = new ArrayList();

	}

	public boolean isInGrid(int x, int y) {

		boolean inRoi = false;

		if (x>=0 && x<getNX() && y >=0 && y<getNY()){

			//Cooordendas pixel a coordenadas "reales".

			double mapX = this.getGridExtent().getMin().getX() + x*getCellSize();

			double mapY = this.getGridExtent().getMax().getY() - y*getCellSize();

			/*for (int i = 0; i < geometries.size(); i++)

				if (((IGeometry)geometries.get(i)).contains(mapX,mapY)){ //TODO:Ver como est? funcionando contains y si me vale.

					inRoi=true;

					break;

				}*/

		}

		return inRoi;

	}

	public void addGeometry(IGeometry geometry){

		geometries.add(geometry);

		double minX = Math.min(geometry.getBounds2D().getMinX(),getGridExtent().getMin().getX());

		double minY = Math.min(geometry.getBounds2D().getMinY(),getGridExtent().getMin().getY());

		double maxX = Math.max(geometry.getBounds2D().getMaxX(),getGridExtent().getMax().getX());

		double maxY = Math.max(geometry.getBounds2D().getMaxY(),getGridExtent().getMax().getY());

		getGridExtent().setXRange(minX, maxX);

		getGridExtent().setYRange(minY, maxY);

		xOffset = (int)((minX - getGrid().getGridExtent().getMin().getX())/getCellSize());

		yOffset = (int)((getGrid().getGridExtent().getMax().getY()- maxY)/getCellSize());

	}

	public void deleteGeometry(int index){

		geometries.remove(index);

		//TODO: Reajustar el Extent.

	}

}