Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.cache.buffer.impl.rocache;

import java.io.IOException;

import junit.framework.TestCase;

import org.gvsig.jgdal.GdalException;

import org.gvsig.raster.cache.buffer.Band;

import org.gvsig.raster.cache.buffer.Buffer;

import org.gvsig.raster.cache.buffer.BufferDataSource;

import org.gvsig.raster.cache.buffer.exception.OperationNotSupportedException;

import org.gvsig.raster.cache.buffer.exception.ProcessInterruptedException;

import org.gvsig.raster.cache.buffer.impl.PxTileImpl;

import org.gvsig.raster.cache.buffer.impl.io.BufferDataSourceImpl;

import org.gvsig.raster.cache.buffer.impl.io.GdalRead;

import org.gvsig.raster.cache.buffer.impl.io.GdalWrite;

import org.gvsig.raster.cache.buffer.impl.memory.RasterMemoryBuffer;

/** 

 *  

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class TestWindow extends TestCase {

        private String rasterIn = "./src/test/resources/image/001m09_1_0.tif";

        private String rasterOut = "/tmp/window.tif";

        private String compare = "./src/test/resources/image/clip_test_robufer.tif";

        public void start() {

                this.setUp();

                this.testStack();

        }

        public void setUp() {

                System.err.println("ROCache TestWindow running...");

        }

        public void testStack() {

                long t1 = System.currentTimeMillis();

                GdalWrite output = null;

                try {

                        BufferDataSource ds = null;

                        try {

                                ds = new BufferDataSourceImpl(rasterIn, new PxTileImpl(100, 100, 500, 400));

                        } catch (IOException e) {

                                e.printStackTrace();

                        }

                        Buffer buf = new RasterReadOnlyBuffer(ds);

                        GdalRead input1 = new GdalRead(compare);

                        output = new GdalWrite(rasterOut, 3, input1.getGdalTypeFromRasterBufType(ds.getDataType()), ds.getWidth(), ds.getHeight(), GdalWrite.COLOR_INTERP_RGB);

                        output.writeBands(buf.getBands());

                        output.close();

                        //Read input data

                        Object dataIn = input1.readBlock(0, 0, input1.getWidth(), input1.getHeight());

                        //Create Buffer

                        Buffer buf1 = new RasterMemoryBuffer(input1.getRasterBufTypeFromGdalType(input1.getDataType()), 

                                                                                                                input1.getWidth(), 

                                                                                                                input1.getHeight(),

                                                                                                                input1.getBandCount(),

                                                                                                                true);

                        //Set data to buffer

                        setLines(dataIn, buf1);

                        for (int i = 0; i < buf.getBandCount(); i++) 

                                compareBands(buf.getBand(i), buf.getBand(i));

                        buf.free();

                        buf1.free();

                } catch (GdalException e) {

                        e.printStackTrace();

                } catch (IOException e) {

                        e.printStackTrace();

                } catch (ProcessInterruptedException e) {

                        e.printStackTrace();

                } catch (OperationNotSupportedException e) {

                        e.printStackTrace();

                }

                long t2 = System.currentTimeMillis();

                System.out.println("Tiempo ROCache TestWindow: " + (t2 - t1) + " milisegundos");

        }

        public void compareBands(Band band1, Band band2) {

                for (int i = 0; i < band1.getHeight(); i++) {

                        for (int j = 0; j < band1.getWidth(); j++) {

                                byte b1 = band1.getElemByte(i, j);

                                byte b2 = band2.getElemByte(i, j);

                                assertEquals(b1, b2);

                        }

                }

        }

        private void setLines(Object dataIn, Buffer buf) throws OperationNotSupportedException {

                if(dataIn instanceof byte[][][]) {

                    byte[][][] d = (byte[][][])dataIn;

                    for (int iBand = 0; iBand < d.length; iBand++) {

                                for (int row = 0; row < d[iBand].length; row++) {

                                        buf.setLineInBandByte(d[iBand][row], row, iBand);

                                }

                        }

            }

        }

}