Application: gvSIG desktop

*

* $Id$

* $Log$

*

* Revision 1.5  2007/05/29 19:11:03  azabala

* *** empty log message ***

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

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

import com.iver.cit.gvsig.fmap.crs.CRSFactory;

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

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

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

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

		CRSFactory.getCRS("EPSG:23030");

	static IProjection newProjection =

		CRSFactory.getCRS("EPSG:23029");

	static{

		try {

			doSetup();

		if (LayerFactory.getDM().getDriverNames().length < 1)

			throw new Exception("Can't find drivers in path: " + fwAndamiDriverPath);

	}

	protected void setUp() throws Exception {

		super.setUp();

		doSetup();

	}

	        String user = "root";

	        String pwd = "root";

	        String tableName = layerName;

	        try {

				Class.forName("com.mysql.jdbc.Driver");

			} catch (ClassNotFoundException e1) {

				throw new LoadLayerException(layerName, e1);

			}

			try {

		        String fidField = "gid";

		        String geomField = "geom";

		        {

		            ((ICanReproject)driver).setDestProjection(strEPSG);

		        }

		        IProjection proj = null;

		        if (driver instanceof ICanReproject)

		        {

			return null;

	}

	//test para chequear la rapidez de los metodos de verificacion de candidatos en consultas

	//a partir de rectangulo

	public void test0(){

		try {

			Geometry geo1 = reader.read(pol1);

			Geometry geo2 = reader.read(pol2);

			IGeometry igeo1 = FConverter.jts_to_igeometry(geo1);

			IGeometry igeo2 = FConverter.jts_to_igeometry(geo2);

			double xmin = 410000;

			double xmax = 415000;

			double ymin = 4790000;

			double ymax = 4793000;

			Rectangle2D rect = new Rectangle2D.Double(xmin, ymin, (xmax-xmin), (ymax-ymin));

			//PrecciseSpatialCheck

			 long t0 = System.currentTimeMillis();

			 int NUM_ITERATIONS = 50000;

						rect.getMinY(), rect.getWidth(), rect.getHeight());

				 igeo2.fastIntersects(rect.getMinX(),

							rect.getMinY(), rect.getWidth(), rect.getHeight());

			 long t1 = System.currentTimeMillis();

			 System.out.println((t1-t0)+" con precissespatialcheck");

			//FastSpatialCheck

			 Rectangle2D b1 = igeo1.getBounds2D();

			 Rectangle2D b2 = igeo2.getBounds2D();

			 long t2 = System.currentTimeMillis();

			 for(int i = 0; i < NUM_ITERATIONS;i++){

				 XRectangle2D.intersectInclusive(rect, b1);

				 XRectangle2D.intersectInclusive(rect, b2);

			 long t3 = System.currentTimeMillis();

			 System.out.println((t3-t2)+" con fastspatialcheck");

			 assertTrue((t3-t2) < (t1 - t0));

			//Spatial index check

		} catch (ParseException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	}

	//pruebas de iteracion para shp (vectorialfileadapter) y dxf (vectorialadapter)

	public void test1() {

		try {

			//pruebas de reproyeccion y seleccion de numero de campos

			FLyrVect lyr = (FLyrVect) newLayer("Cantabria.shp", SHP_DRIVER_NAME);

			lyr.setAvailable(true);

			//iteration selecting two fields

			IFeatureIterator iterator = lyr.getSource().getFeatureIterator(new String[]{"ID", "AREA"}, null);

			IFeature feature = iterator.next();

			IFeature feature2 = iterator.next();

			//test of field restriction

			assertTrue(feature.getAttributes().length == 2);

			assertTrue(!feature.getGeometry().toJTSGeometry().equals(feature2.getGeometry().toJTSGeometry()));

			double ymin = 4790000;

			double ymax = 4793000;

			Rectangle2D rect = new Rectangle2D.Double(xmin, ymin, (xmax-xmin), (ymax-ymin));

			//fast iteration

			long t0 = System.currentTimeMillis();

			iterator = lyr2.getSource().getFeatureIterator(rect, null, newProjection, true);

				numFeatures++;

			}

			long t1 = System.currentTimeMillis();

			//vemos si hay diferencia entre el fast = true y el fast = false

			iterator = lyr2.getSource().getFeatureIterator(rect, null, newProjection, false);

			int numFeatures3 = 0;

			}

			long t2 = System.currentTimeMillis();

			assertTrue(numFeatures3 <= numFeatures);

			System.out.println((t1-t0)+" en la iteracion rapida");

			System.out.println("Recuperados "+numFeatures);

			System.out.println((t2-t1)+" en la iteracion lenta");

			System.out.println("Recuperados "+numFeatures3);

			int numFeatures2 = 0;

			iterator = lyr2.getSource().getFeatureIterator();

			while(iterator.hasNext()){

		}

	}

//	public void test3(){

//		try {

//			FLyrVect layer = (FLyrVect) newLayer("poly-valencia.shp", SHP_DRIVER_NAME);

//		}

//

//	}

	//test of featureIterator with layer poly-valencia using a spatial filter.

	public void test4(){

		try {

			FLyrVect layer = (FLyrVect) newLayer("poly-valencia.shp", SHP_DRIVER_NAME);

			Rectangle2D extent = layer.getFullExtent();

			String[] fields = layer.getRecordset().getFieldNames();

			IFeatureIterator iterator = layer.

							getSource().

							getFeatureIterator(extent,fields, null, true);

			e.printStackTrace();

		}

	}

	public void test5(){

			try {

				int WIDTH = 300;

				int HEIGHT = 200;

				ViewPort vp = new ViewPort(PROJECTION_DEFAULT);

				vp.setImageSize(new Dimension(WIDTH, HEIGHT));

				vp.setExtent(layer.getFullExtent());

				mapa.getLayers().addLayer(layer);

				BufferedImage img = new BufferedImage(WIDTH, HEIGHT,

						BufferedImage.TYPE_INT_ARGB);

				long t0 = System.currentTimeMillis();

				mapa.draw(img, img.createGraphics(),mapa.getScaleView());

				long t1 = System.currentTimeMillis();

				System.out.println((t1-t0)+" en dibujar con MapContext.draw");

				long t2 = System.currentTimeMillis();

					public boolean isCanceled() {

						return false;

					}

					}}, getScaleView(vp));

				long t3 = System.currentTimeMillis();

				System.out.println((t3-t2)+" en dibujar con layer._draw");

			} catch (LoadLayerException e) {

				// TODO Auto-generated catch block

				e.printStackTrace();

				// TODO Auto-generated catch block

				e.printStackTrace();

			}

	}

	//TODO Mover spatialindextest a esta clase

	public void test7(){

	}

	private long getScaleView(ViewPort viewPort) {

		double[] CHANGE = { 100000, 100, 1, 0.1, 160934.4,

				91.44, 30.48, 2.54, 1/8.983152841195214E-4 };

				viewPort.getAdjustedExtent().getMaxX(), viewPort.getImageSize()

						.getWidth(), dpi));

	}

}

*

* $Id$

* $Log$

* fastIteration = true optimized.

*

* Revision 1.1  2007/05/29 19:11:03  azabala

import java.awt.geom.Rectangle2D;

import org.cresques.cts.ICoordTrans;

import com.hardcode.gdbms.driver.exceptions.ReadDriverException;

import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException;

import com.iver.cit.gvsig.exceptions.layers.LoadLayerException;

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

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

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

import com.iver.cit.gvsig.fmap.spatialindex.ISpatialIndex;

	//test to ask a feature over the limit (numfeatures) to low level shapefile driver

	//classes

	//test to compare fast iteration based in spatial index with precisse iteration

	//with a little filter area

	}