| gvSIG desktop 1

import java.awt.Dimension;

import java.awt.Rectangle;

import java.awt.geom.AffineTransform;

import java.awt.geom.NoninvertibleTransformException;

import java.awt.image.DataBuffer;

import java.io.File;

import java.net.MalformedURLException;

import java.net.URL;

import org.cresques.geo.ViewPortData;

import org.cresques.io.GdalFile;

import org.cresques.io.raster.RasterFilterStackManager;

import org.cresques.px.Extent;

import org.cresques.px.PxRaster;

import org.exolab.castor.xml.ValidationException;

import org.gvsig.remoteClient.wcs.WCSStatus;

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

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

import com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint;

public class FLyrWCS extends FLyrDefault implements RasterOperations, InfoByPoint{

	private FMapWCSDriver wcs = null;

	private URL 						host;

	private String						coverageName;

	private Rectangle2D					fullExtent;

	private String						format;

	private String						srs;

	private String						time;

	private String						parameter;

	private Point2D						maxRes;

	private Hashtable 					onlineResources = new Hashtable();

	private WCSStatus					wcsStatus;

	private RasterFilterStackManager	stackManager = null;

	private PxRaster 					raster = null;

	private GeoRasterFile 				rasterFile = null;

	private RasterFilterStack 			filterStack;

	private boolean 					firstLoad = false;

	private int 						transparency = -1;

	private int							rband, gband, bband;

	private VisualStatus				visualStatus = new VisualStatus();

	private int 						maxTilePrintWidth  = 80000;

	private int							maxTilePrintHeight = 80000;

	private FMapWCSDriver driver;

	/**

	 * Clase que contiene los datos de visualizaci?n de WMS.

	 * @author Nacho Brodin (brodin_ign@gva.es)

	 */

	private class VisualStatus {

		/**

		 * Ancho y alto de la imagen o del conjunto de tiles si los tiene. Coincide con 

		 * el ancho y alto del viewPort

		 */

		private	int							width = 0, height = 0;

		private double						minX = 0D, minY = 0D, maxX = 0D, maxY = 0D;

		private int 						bandCount = 0;

		private int							dataType = DataBuffer.TYPE_UNDEFINED;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#setRGB(int, int, int)

	 */

	public void setRGB(int r, int g, int b) {

		this.r = r;

		this.g = g;

		this.b = b;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getFilterStack()

	 */

	public RasterFilterStack getFilterStack() {

		if(raster!=null)

			return raster.filterStack;

		return null;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#setFilterStack(org.cresques.io.raster.RasterFilterStack)

	 */

	public void setFilterStack(RasterFilterStack stack) {

		this.filterStack = stack;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getSource()

	 */

	public RasterAdapter getSource() {

		return null;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#setSource(com.iver.cit.gvsig.fmap.layers.RasterAdapter)

	 */

	public void setSource(RasterAdapter ra) {

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#setPos(int, int)

	 */

	public void setPos(int x, int y) {

		this.posX = x;

		this.posY = y;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#setPosWC(double, double)

	 */

	public void setPosWC(double x, double y) {

		this.posXWC = x;

		this.posYWC = y;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getPixel(double, double)

	 */

	public int[] getPixel(double wcx, double wcy) {

		if(getPxRaster() != null)

			return getPxRaster().getPixel(wcx, wcy);

        return null;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#setBand(int, int)

	 */

	public void setBand(int flag, int nBand) {

		switch(flag){

		case GeoRasterFile.RED_BAND:setBandR(nBand);break;

		case GeoRasterFile.GREEN_BAND:setBandG(nBand);break;

		case GeoRasterFile.BLUE_BAND:setBandB(nBand);break;

		}

	}

	/**

	 * Sets the R-band.

	 * 

	 * Asigna la banda R.

	 * @param r

	 */

	public void setBandR(int r){

		this.rband = r;

	}

	/**

	 * Sets the G-band.

	 * 

	 * Asigna la banda G

	 * @param g

	 */

	public void setBandG(int g){

		this.gband = g;

	}

	/**

	 * Sets the B-band.

	 * 

	 * Asigna la banda B

	 * @param b

	 */

	public void setBandB(int b){

		this.bband = b;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getAttributes()

	 */

	public ArrayList getAttributes() {

		if (rasterFile != null){

			ArrayList attr = new ArrayList();

			String dataType = "Byte";

			if (rasterFile.getDataType() == DataBuffer.TYPE_BYTE) dataType = "Byte";

			else if (visualStatus.dataType == DataBuffer.TYPE_SHORT)

				dataType = "Short";

			else if (visualStatus.dataType == DataBuffer.TYPE_USHORT)

				dataType = "Unsigned Short";

			else if (visualStatus.dataType == DataBuffer.TYPE_INT)

				dataType = "Integer";

			else if (visualStatus.dataType == DataBuffer.TYPE_FLOAT)

				dataType = "Float";

			else if (visualStatus.dataType == DataBuffer.TYPE_DOUBLE)

				dataType = "Double";

			else

				dataType = "Unknown";

			Object [][] a = {

				{"Filename",rasterFile.getName().substring(rasterFile.getName().lastIndexOf("/")+1, rasterFile.getName().length())},

				{"Filesize",new Long(0)},

				{"Width",new Integer((int)this.getWidth())},

				{"Height", new Integer((int)this.getHeight())},

				{"Bands", new Integer(visualStatus.bandCount)},

				{"BandDataType", dataType}

			};

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

				attr.add(a[i]);

			return attr;

		}

		return  null;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getMaxX()

	 */

	public double getMaxX() {

		return visualStatus.maxX;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getMaxY()

	 */

	public double getMaxY() {

		return visualStatus.maxY;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getMinX()

	 */

	public double getMinX() {

		return visualStatus.minX;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getMinY()

	 */

	public double getMinY() {

		return visualStatus.minY;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getWidth()

	 */

	public double getWidth() {

		return visualStatus.width;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.RasterOperations#getHeight()

	 */

	public double getHeight() {

		return visualStatus.height;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.layerOperations.InfoByPoint#queryByPoint(java.awt.Point)

	 */

	public String queryByPoint(Point p) throws DriverException {

		String data = "<file:"+getName().replaceAll("[^a-zA-Z0-9]","")+">\n";

		ArrayList attr = this.getAttributes();

		data += "  <raster\n";

		data += "    File=\""+getName()+"\"\n";

		for (int i=0; i<attr.size(); i++) {

			Object [] a = (Object []) attr.get(i);

			data += "    "+a[0].toString()+"=";

			if (a[1].toString() instanceof String)

				data += "\""+a[1].toString()+"\"\n";

			else

				data += a[1].toString()+"\n";

		}

		data += "    Point=\""+posX+" , "+posY+"\"\n";

		data += "    Point_WC=\""+posXWC+" , "+posYWC+"\"\n";

		data += "    RGB=\""+r+", "+g+", "+b+"\"\n";

		data += "  />\n";

		data += "</file:"+getName().replaceAll("[^a-zA-Z0-9]","")+">\n";

		System.out.println(data);

		return data;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.FLayer#getFullExtent()

	 */

	public Rectangle2D getFullExtent() {

		return fullExtent;

	}

	/*

	 *  (non-Javadoc)

	 * @see com.iver.cit.gvsig.fmap.layers.FLayer#draw(java.awt.image.BufferedImage, java.awt.Graphics2D, com.iver.cit.gvsig.fmap.ViewPort, com.iver.cit.gvsig.fmap.operations.Cancellable, double)

	 */

	public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) throws DriverException {

		if (isWithinScale(scale)){

			Point2D p = viewPort.getOffset();

			// p will be (0, 0) when drawing a view or other when painting onto

			// the Layout.

			visualStatus.width =  viewPort.getImageWidth();

			visualStatus.height =  viewPort.getImageHeight();

			visualStatus.minX = viewPort.getAdjustedExtent().getMinX();

			visualStatus.minY = viewPort.getAdjustedExtent().getMinY();

			visualStatus.maxX = viewPort.getAdjustedExtent().getMaxX();

			visualStatus.maxY = viewPort.getAdjustedExtent().getMaxY();

				Rectangle r = new Rectangle((int) p.getX(), (int) p.getY(), viewPort.getImageWidth() - 1, viewPort.getImageHeight() - 1);

				Tiling tiles = new Tiling(maxTilePrintWidth, maxTilePrintHeight, r);

				tiles.setAffineTransform((AffineTransform) viewPort.getAffineTransform().clone());

				for (int tileNr=0; tileNr < tiles.getNumTiles(); tileNr++) {

					// drawing part

					try {

						ViewPort vp = tiles.getTileViewPort(viewPort, tileNr);

						drawTile(g, vp, cancel);

					} catch (NoninvertibleTransformException e) {

						e.printStackTrace();

					}

				}

		}

		Runtime r = Runtime.getRuntime();

		long mem = r.totalMemory() - r.freeMemory();

		System.err.println("Memoria total: " + (mem / 1024) +"KB");

	}

	/**

	 * This is the method used to draw a tile in a WMS mosaic layer.

	 */

	private void drawTile(Graphics2D g, ViewPort vp, Cancellable cancel) throws DriverException {

		// Compute the query geometry 

		// 1. Check if it is within borders

		Rectangle2D extent = getFullExtent();

        if ((vp.getExtent().getMinX() > extent.getMaxX()) ||

                (vp.getExtent().getMinY() > extent.getMaxY()) ||

                (vp.getExtent().getMaxX() < extent.getMinX()) ||

                (vp.getExtent().getMaxY() < extent.getMinY())) {

            return;

        }

        // 2. Compute extent to be requested.

        Rectangle2D bBox = new Rectangle2D.Double();

        Rectangle2D.intersect(vp.getExtent(), extent, bBox);

        // 3. Compute size in pixels

        double scalex = vp.getAffineTransform().getScaleX(); 

        double scaley = vp.getAffineTransform().getScaleY(); 

        int wImg = (int) Math.ceil(Math.abs(bBox.getWidth() * scalex) + 1);

        int hImg = (int) Math.ceil(Math.abs(bBox.getHeight() * scaley) + 1);

        Dimension sz = new Dimension(wImg, hImg);

        if ((wImg <= 0) || (hImg <= 0)) {

            return;

        }

		try {	

			wcsStatus.setCoveraName( coverageName );

			wcsStatus.setExtent( bBox );

			wcsStatus.setFormat( format );

			wcsStatus.setHeight( hImg );

			wcsStatus.setWidth( wImg );

			wcsStatus.setSrs(srs);

			wcsStatus.setParameters( parameter );

			wcsStatus.setOnlineResource((String) onlineResources.get("GetMap"));

			File f = getDriver().getCoverage(wcsStatus);

			String nameWordFile = f.getPath() + getExtensionWorldFile();

			com.iver.andami.Utilities.createTemp(nameWordFile, this.getDataWorldFile(bBox, sz));

			if(status!=null && firstLoad){

				status.applyStatus(this);

				firstLoad = false;

			}

			ViewPortData vpData = new ViewPortData(

				vp.getProjection(), new Extent(bBox), sz );

			vpData.setMat(vp.getAffineTransform());

			rasterProcess(g, vpData, f);

		} catch (ValidationException e) {

			throw new DriverException(PluginServices.getText(this, "unknown_response_format"), e);

		} catch (UnsupportedVersionException e) {

			throw new DriverException(PluginServices.getText(this, "version_conflict"), e);

		} catch (IOException e) {

			throw new DriverException(PluginServices.getText(this, "connect_error"), e);

		} catch (WCSException e) {

            JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(), e.getMessage());

			this.setVisible(false);

		}

	}

	 * Devuelve el FMapWMSDriver.

	 *

	 * @return FMapWMSDriver

	 *

	 * @throws IllegalStateException

	 * @throws ValidationException

	 * @throws UnsupportedVersionException

	 * @throws IOException

	 */

	private FMapWCSDriver getDriver() throws IllegalStateException, ValidationException, UnsupportedVersionException, IOException {

		if (wcs == null) {

			wcs = new FMapWCSDriver();

            wcs.createClient(host);

        }

		return wcs;

	}

	/**

	 * Calcula el contenido del fichero de georreferenciaci?n de una imagen.

	 * @param bBox Tama?o y posici?n de la imagen (en coordenadas de usuario)

	 * @param sz Tama?o de la imagen en pixeles.

	 * @return el 'WorldFile', como String.

	 * @throws IOException

	 */

	public String getDataWorldFile(Rectangle2D bBox, Dimension sz) throws IOException {

		StringBuffer data = new StringBuffer();

    	data.append((bBox.getMaxX() - bBox.getMinX())/(sz.getWidth() - 1)+"\n");

    	data.append("0.0\n");

    	data.append("0.0\n");

    	data.append((bBox.getMaxY() - bBox.getMinY())/(sz.getHeight() - 1)+"\n");

    	data.append(""+bBox.getMinX()+"\n");

    	data.append(""+bBox.getMinY()+"\n");

    	return data.toString();

	}

	/**

	 * Dibuja una imagen usando PxRaster

	 * @param g	Graphics2D en el que hay que dibujar.

	 * @param vpData Par?metros de visualizaci?n

	 * @param file La imagen en cuesti?n.

	 */

	private void rasterProcess(Graphics2D g, ViewPortData vpData, File file) {

		//Creamos el PxRaster	

		rasterFile = new GdalFile(vpData.getProjection(), file.getAbsolutePath());

		raster = new PxRaster(rasterFile, null, rasterFile.getExtent());

		//Recuperamos la pila de filtros si ya hubiese sido cargado antes

		if (this.filterStack!=null)

			raster.filterStack = this.filterStack;

		raster.setTransparency(false);

		//Asignamos transparencia y orden de bandas

		if (this.transparency==-1 && !firstLoad);

		else

			raster.setTransparency(this.transparency);

		raster.setBand(GeoRasterFile.RED_BAND,rband);

		raster.setBand(GeoRasterFile.GREEN_BAND, gband);

		raster.setBand(GeoRasterFile.BLUE_BAND, bband);

		//Despues del primer pxRaster asignamos el stackManager guardado para los siguientes.

		//Con esto conseguimos asignar los cambios que se hayan producido desde el cuadro de 

		//propiedades cuando creamos un nuevo pxRaster

		if (this.stackManager != null)

			raster.setStackManager(this.stackManager); 

		if (visualStatus != null){

			visualStatus.bandCount = raster.getBandCount();

			visualStatus.dataType = raster.getDataType();

		}

		raster.draw(g, vpData);

		//En el primer pxRaster de una imagen obtenemos el Stack Manager para poder modificarlo

		//si queremos desde las propiedades

		if (this.stackManager == null)

			this.stackManager = raster.getStackManager(); 

		if (this.filterStack == null)

			this.filterStack = raster.filterStack;

		rasterFile.close();

	}

	public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale) throws DriverException {

		// TODO Auto-generated method stub

	}

	/**

	 * @return Returns the raster.

	 */

	public PxRaster getPxRaster() {

		return raster;

	}

	/**

		xml.putProperty("wcs.fullExtent", StringUtilities.rect2String( fullExtent ));

		xml.putProperty("wcs.layerQuery", coverageName );

		xml.putProperty("wcs.format", format );

		xml.putProperty("wcs.srs", srs );

		xml.putProperty("wcs.time", time );

		xml.putProperty("wcs.parameter", parameter );

		xml.putProperty("wcs.coverageName", coverageName );

		xml.putProperty("wcs.maxResX", maxRes.getX());

		xml.putProperty("wcs.maxResY", maxRes.getY());

		// host

		try {

			host = new URL(xml.getStringProperty("wcs.host"));

		} catch (MalformedURLException e) {

			throw new XMLException(e);

		}

		// full extent

		fullExtent = StringUtilities.string2Rect(xml.getStringProperty("wcs.fullExtent"));

		// coverageQuery

		coverageName = xml.getStringProperty("wcs.layerQuery");

		// format

		format = xml.getStringProperty("wcs.format");

		// srs

		srs = xml.getStringProperty("wcs.srs");

		// time

		time = xml.getStringProperty("wcs.time");

		// parameter

		parameter = xml.getStringProperty("wcs.parameter");

		// label

		// coverage name

		coverageName = xml.getStringProperty("wcs.coverageName");

		// max resolution

			maxRes = new Point2D.Double(xml.getDoubleProperty("wcs.maxRes"), xml.getDoubleProperty("wcs.maxRes"));

		else if (xml.contains("wcs.maxResX") && xml.contains("wcs.maxResY"))

			maxRes = new Point2D.Double(xml.getDoubleProperty("wcs.maxResX"), xml.getDoubleProperty("wcs.maxResY"));

		// OnlineResources

        if (xml.contains("onlineResources")) {

        	String[] operations = xml.getStringProperty("onlineResources").split("~##SEP1##~");

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

				String[] resources = operations[i].split("~##SEP2##~");

				if (resources.length==2 && resources[1]!="")

					onlineResources.put(resources[0], resources[1]);

			}

        }

		if (status!=null)

		else {

				} catch(ClassNotFoundException exc) {

				} catch(InstantiationException exc) {

				} catch(IllegalAccessException exc) {

				} catch(NoSuchMethodException exc) {

				} catch(InvocationTargetException exc) {

		firstLoad = true;

	public void setLabel(String label) {

		this.label = label;

	}

	public void setCoverageName(String coverageName) {

		this.coverageName = coverageName;

	}

	public void setParameter(String parametersString) {

		this.parameter = parametersString;

	}

	public void setTime(String time) {

		this.time = time;

	}

	public void setSRS(String srs) {

		this.srs = srs;

	}

	public void setFormat(String format) {

		this.format = format;

	}

	/**

	 * Inserta el URL.

	 *

	 * @param host String.

	 * @throws MalformedURLException 

	 */

	public void setHost(String host) {

		try {

			setHost(new URL(host));

		} catch (MalformedURLException e) {

		}

	}

	 * Inserta el URL.

	 *

	 * @param host URL.

	 */

	public void setHost(URL host) {

		this.host = host;

	}

	/**

	 * Sets the layer's full extent.

	 * 

	 * Establece la extensi?n m?xima de la capa.

	 * 

	 * @param rect

	 */

	public void setFullExtent(Rectangle2D rect) {

		this.fullExtent = rect;

	}

	/**

	 * Devuelve el URL.

	 *

	 * @return URL.

	 */

	public URL getHost() {

		return host;

	}

	/**

	 * Remote source layers have a bunch of properties that are required for get them from

	 * the servers. This method supplies a hash table containing any needed field. This hash

	 * table may be used to let the client to connect to a server and restore a previously saved

	 * layer. So, the layer itself may not be saved to the disk since the actual saved

	 * info is just its properties.

	 * 

	 * @return Returns a hash table containing all the required information for

	 * set up a wms layer

	 */

	public Hashtable getProperties(){

		Hashtable info = new Hashtable();

		info.put(   "name", coverageName);

		info.put(   "host", getHost());

		info.put(    "crs", srs);

		info.put( "format", format);

		String str = time;

		if (str==null) 

			str = "";

		info.put(   "time", str);

		str = parameter;

		if (str==null)

			str = "";

		info.put("parameter", str);	

		return info;

	}

	/**

	 * Obtiene la extensi?n del fichero de georreferenciaci?n

	 * @return String con la extensi�n del fichero de georreferenciaci�n dependiendo

	 * del valor del formato obtenido del servidor. Por defecto asignaremos un .wld 

	 */

	private String getExtensionWorldFile(){

		String extWorldFile = ".wld";

    	if (format.equals("image/tif") || format.equals("image/tiff"))

    		extWorldFile = ".tfw";

    	if (format.equals("image/jpeg"))

    		extWorldFile = ".jpgw";

    	return extWorldFile;

	}

	public void setMaxResolution(Point2D maxResolution) {

		this.maxRes = maxResolution;

	}

	/**

	 * Gets the last open GeoRasterFile against the temp file received

	 * 

	 * Obtiene el ?ltimo GeoRasterFile abierto sobre el temporal recibido

	 * @return

	 */

	public GeoRasterFile getGeoRasterFile(){

		return rasterFile;

	}

	/**

	 * Asignar el estado del raster

	 * @param status

	 */

	public void setStatus(StatusRasterInterface status){

		this.status = status;

	}

	/**

	 * Obtiene el estado del raster

	 * @return

	 */

	public StatusRasterInterface getStatus(){

		return this.status;

	}

	/**

	 * Gets the max resolution allowed by the coverage. Requesting a higher resolution

	 * than this value does not cause any error, but the info responsed is just an

	 * interpolation.

	 * 

	 * In exchange for obtaining a greater file and without additional information,

	 * we can easily connect it at the View.

	 * 

	 * 

	 * Obtiene la resoluci?n m?xima soportada por la cobertura. La petici?n

	 * de una resoluci?n superior a la soportada no provoca ning?n error, aunque

	 * la informaci?n obtenida s?lo es una mera interpolaci?n de informaci?n. 

	 * 

	 * A cambio de obtener un archivo mayor y sin informaci?n adicional, podemos

	 * f?cilmente acoplarlo a la vista.

	 * 

	 * @return double

	 */

	public Point2D getMaxResolution() {

		if (maxRes==null)

			maxRes = wcs.getMaxResolution(coverageName);

		return maxRes;

	}

	public void setDriver(FMapWCSDriver driver) {

		this.driver = driver;

	}

	/**

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	/**/

}