Application: gvSIG desktop » gvSIG geoprocess

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2012 gvSIG Association.

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.geoprocess.lib.sextante.dataObjects;

import java.awt.geom.Rectangle2D;

//import org.gvsig.fmap.dal.coverage.RasterLocator;

//import org.gvsig.fmap.dal.coverage.RasterManager;

//import org.gvsig.fmap.dal.coverage.dataset.Buffer;

//import org.gvsig.fmap.dal.coverage.datastruct.Extent;

//import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException;

//import org.gvsig.fmap.dal.coverage.exception.QueryException;

//import org.gvsig.fmap.dal.coverage.grid.Grid;

//import org.gvsig.fmap.dal.coverage.store.RasterDataStore;

//import org.gvsig.fmap.dal.coverage.store.RasterQuery;

//import org.gvsig.raster.fmap.layers.FLyrRaster;

import es.unex.sextante.core.AnalysisExtent;

import es.unex.sextante.dataObjects.AbstractRasterLayer;

import es.unex.sextante.outputs.IOutputChannel;

import java.util.logging.Level;

import java.util.logging.Logger;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.exception.InitializeException;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.dal.raster.api.RasterQuery;

import org.gvsig.fmap.dal.raster.api.RasterStore;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.exception.CreateEnvelopeException;

import org.gvsig.fmap.geom.primitive.Envelope;

import org.gvsig.fmap.mapcontext.raster.api.RasterLayer;

import org.gvsig.fmap.mapcontrol.tools.grid.Grid;

import org.gvsig.raster.lib.buffer.api.Buffer;

import org.gvsig.raster.lib.buffer.api.BufferLocator;

import org.gvsig.raster.lib.buffer.api.BufferManager;

import org.gvsig.raster.lib.buffer.api.NoData;

/**

 * A wrapper for a gvSIG Raster layer. Allows only reading, but not writing to

 * it

 * 

 * @author volaya, nacho brodin (nachobrodin@gmail.com)

 * @deprecated Use FLyrRasterIRasterLayer

 */

public class FLyrRasterReadOnlyIRasterLayer_deprecated extends AbstractRasterLayer {

    private Grid           m_LayerGrid    = null;

    private RasterLayer     m_Layer        = null;

    private Buffer         m_Buffer       = null;

    private int            m_iDataType    = 0;

    private double         m_dNoDataValue = 0;

    private int            xTranslate     = 0;

    private int            yTranslate     = 0;

    private AnalysisExtent layerExtent    = null;

    public void create(final RasterLayer obj) {

        m_Layer = obj;

    }

    @Override

    public int getDataType() {

        return m_Layer.getRasterStore().getBandDescriptor(0).getDataType();

    }

    @Override

    public void setCellValue(final int x, final int y, final int iBand,

        final double dValue) {

    }

    @Override

    public void setNoDataValue(final double dNoDataValue) {

        for (int i = 0; i < m_Layer.getRasterStore().getBands(); i++) {

                if (m_Layer.getRasterStore().getBandDescriptor(i).getNoData()== null) {

                    NoData nodata = BufferLocator.getBufferManager().createNoData(dNoDataValue, null);

                    m_Layer.getRasterStore().getBandDescriptor(i).getNoData().setValue(nodata.getValue());

                } else {

                    m_Layer.getRasterStore().getBandDescriptor(i).getNoData().setValue(dNoDataValue);

                }

        }

    }

    @Override

    public void setNoData(final int x, final int y) {

    }

    @Override

    public double getNoDataValue() {

        return m_dNoDataValue;

    }

    @Override

    public double getCellValueInLayerCoords(final int x, final int y,

        final int iBand) {

            int newx = x - xTranslate;

            int newy = y - yTranslate;

        if (m_Buffer.isInside(newx, newy)) {

            switch (m_iDataType) {

            case BufferManager.TYPE_BYTE:

                return m_Buffer.getBandByte(iBand).getValue(newy, newx);

            case BufferManager.TYPE_SHORT:

                return m_Buffer.getBandShort(iBand).getValue(newy, newx);

            case BufferManager.TYPE_INT:

                return m_Buffer.getBandInt(iBand).getValue(newy, newx);

            case BufferManager.TYPE_FLOAT:

                return m_Buffer.getBandFloat(iBand).getValue(newy, newx);

            case BufferManager.TYPE_DOUBLE:

            default:

                return m_Buffer.getBandDouble(iBand).getValue(newy, newx);

            }

        } else {

            return m_dNoDataValue;

        }

    }

    @Override

    public int getBandsCount() {

        return m_Layer.getRasterStore().getBands();

    }

    @Override

    public String getName() {

        return m_Layer.getName();

    }

    @Override

    public void postProcess() {

    }

    @Override

    public void open() {

        /*try {

            m_LayerGrid = m_Layer.getReadOnlyFullGrid(false);

            m_Buffer = m_LayerGrid.getRasterBuf();

            m_iDataType = m_LayerGrid.getDataType();

            NoData nodata = m_LayerGrid.getNoDataValue();

            m_dNoDataValue = nodata != null ? 

                            (nodata.getValue() != null ? nodata.getValue().doubleValue() : 0.0d) : 

                            0.0d;

        } catch (GridException e) {

            Sextante.addErrorToLog(e);

        } catch (InterruptedException e) {

            Sextante.addErrorToLog(e);

        }*/

    }

    @Override

    public void close() {

        m_LayerGrid = null;

    }

    @Override

    public Rectangle2D getFullExtent() {

        try {

            return m_Layer.getFullEnvelope().getGeometry().getBounds().getBounds2D();

        } catch (ReadException ex) {

            Logger.getLogger(FLyrRasterReadOnlyIRasterLayer_deprecated.class.getName()).log(Level.SEVERE, null, ex);

        }

        return null;

    }

    @Override

    public AnalysisExtent getLayerGridExtent() {

            if(layerExtent == null) {

                    try {

                            layerExtent = new AnalysisExtent();

                            layerExtent.setCellSize(m_Layer.getRasterStore().getDimensions().getPixelSizeX());

                        Rectangle2D ext = getFullExtent();

                            layerExtent.setXRange(ext.getMinX(), ext.getMaxX(), true);

                            layerExtent.setYRange(ext.getMinY(), ext.getMaxY(), true);

                    } catch (final InitializeException e) {

                            return null;

                    }

            }

            return layerExtent;

    }

    @Override

    public void setWindowExtent(final AnalysisExtent extent) {

            super.setWindowExtent(extent);

            BufferManager rManager = BufferLocator.getBufferManager();

        RasterStore store = m_Layer.getRasterStore();

        RasterQuery query = store.createRasterQuery();

        //query.setReadOnly(true);

//        int[] bands = new int[store.getBands()];

//        for (int i = 0; i < store.getBands(); i++) {

//                        bands[i] = i;

//                }

//        query.setDrawableBands(bands);

        Envelope ext;

        try {

            ext = GeometryLocator.getGeometryManager().createEnvelope(

                    extent.getXMin(),

                    extent.getYMax(),

                    extent.getXMax(),

                    extent.getYMin(),

                    2);

        } catch (CreateEnvelopeException ex) {

            ext = null;

        }

        query.setClip(ext);

        Buffer entireBuf = m_Buffer;

        try {

                m_Buffer = store.getRasterSet(query);

                //Calculamos la traslaci?n respecto a la ventana recortada pq Sextante pedir?

                //p?xeles en relaci?n a la imagen completa

                Rectangle2D lyrExt = m_Layer.getFullEnvelope().getGeometry().getBounds().getBounds2D();

                double distx = extent.getXMin() - lyrExt.getMinX();

                        double disty = lyrExt.getMaxY() - extent.getYMax();

                        xTranslate = (int)Math.round((distx * extent.getNX()) / (extent.getXMax() - extent.getXMin()));

                        yTranslate = (int)Math.round((disty * extent.getNY()) / (extent.getYMax() - extent.getYMin()));

                } catch (DataException ex)  {

                        m_Buffer = entireBuf;

                }

     }

    @Override

    public double getLayerCellSize() {

        try {

            return m_Layer.getRasterStore().getDimensions().getPixelSizeX();

        } catch (InitializeException ex) {

            Logger.getLogger(FLyrRasterReadOnlyIRasterLayer_deprecated.class.getName()).log(Level.SEVERE, null, ex);

        }

        return 0;

    }

    @Override

    public Object getCRS() {

        return m_Layer.getProjection();

    }

    @Override

    public void setName(final String name) {

        m_Layer.setName(name);

    }

    @Override

    public void free() {

        m_Layer.dispose();

        m_Layer = null;

        m_LayerGrid = null;

    }

    @Override

    public Object getBaseDataObject() {

        return m_Layer;

    }

    @Override

    public IOutputChannel getOutputChannel() {

        return new IOutputChannel() {

            @Override

            public String getAsCommandLineParameter() {

                return m_Layer.getName();

            }

        };

    }

}