org.gvsig.raster.algorithm.process

Class ProcessUtils

java.lang.Object

org.gvsig.raster.algorithm.process.ProcessUtils

Direct Known Subclasses:

ProcessParamsManagement

public abstract class ProcessUtils
extends Object

Clase base de todos los procesos raster. En ella se genstionan todas las funciones comunes como incremento de la tarea, gestión de eventos a la tarea, parámetros de la tarea, etc ...

Field Summary

Fields

Modifier and Type	Field and Description
protected NoData	doubleNODATA

Constructor Summary

Constructors

Constructor and Description
ProcessUtils()

Method Summary

Methods

Modifier and Type	Method and Description
Buffer	createOutputBuffer(int w, int h, int bandCount) Builds the output buffer
Buffer	createOutputBuffer(int w, int h, int bandCount, int datatype)
Buffer	createSourceBuffer(RasterDataStore store, Rectangle2D sourcePxBBox, boolean[] bands) Gets a data buffer from a RasterDataStore
void	debug(String msg, Object parent, Exception exception) Registra un mensaje de error en el log de gvSIG
boolean	exportRaster(String sFilename, Buffer buf, Buffer alphaBuffer, double cellsize, double ulx, double uly) Export buffer to disk
boolean	exportRaster(String sFilename, Buffer buf, Buffer alphaBuffer, double cellsize, double ulx, double uly, IProjection proj) Export buffer to disk
void	exportRaster(String sFilename, Buffer buf, ColorInterpretation ci, Extent windowExtent, NoData nodata, IProjection proj) Exports a raster buffer to disk
boolean	exportRaster(String sFilename, Buffer buf, double cellsize, double ulx, double uly) Exports raster buffer to disk
boolean	exportRaster(String sFilename, Buffer buf, double cellsize, double ulx, double uly, IProjection proj) Exports raster buffer to disk
boolean	exportRaster(String sFilename, Buffer buf, double cellsize, double minX, double minY, NoData nodata) Exports a raster buffer to disk
boolean	exportRaster(String sFilename, Buffer buf, double cellsize, double minX, double minY, NoData nodata, IProjection proj) Exports buffer to disk
protected double	getData(Buffer b, int row, int col, int band) Gets a value of the buffer in double format
Extent	getExtentResult(Extent window, List<ROI> rois, RasterDataStore store) Gets the bounding box taking into account whether there are ROIs or not
protected Rectangle2D[]	getIntersectionInPxCoords(RasterDataStore[] dataStoreList) Gets a list of rectangles which represents the pixel coordinates of each DataStore.
Rectangle2D	getSourcePxBox(Extent resultExtent, RasterDataStore store) Gets the bounding box of the source in pixel coordinates
boolean	isAnalizedEntireLayer(Extent window, List<ROI> rois, RasterDataStore store) Returns true if the algorithm is applied to the entire layer
boolean	isInsideOfROI(int x, int y, List<ROI> rois, Extent extentResult) Checks if the point in pixel coordinates is inside the region of interest or not.
void	messageBoxError(String msg, Object parentWindow) Shows a error dialog with a text and a accept button
void	messageBoxError(String msg, Object parentWindow, ArrayList<Exception> exception) Muestra un dialogo de error con un texto y un botón de aceptar.
void	messageBoxError(String msg, Object parentWindow, Exception exception) Muestra un dialogo de error con un texto y un botón de aceptar.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

doubleNODATA

protected NoData doubleNODATA

Constructor Detail

ProcessUtils

public ProcessUtils()

Method Detail

debug

public void debug(String msg,
         Object parent,
         Exception exception)

Registra un mensaje de error en el log de gvSIG

Parameters:

msg - Mensaje a guardar en el log

parent - Objeto que hizo disparar el mensaje

exception - Excepcion que ha sido recogida

messageBoxError

public void messageBoxError(String msg,
                   Object parentWindow)

Shows a error dialog with a text and a accept button

Parameters:

msg - Message to show in the dialog

parentWindow - Parent window

messageBoxError

public void messageBoxError(String msg,
                   Object parentWindow,
                   Exception exception)

Muestra un dialogo de error con un texto y un botón de aceptar. El error es registrado en el log de gvSIG con la excepcion que se le pase por parametro

Parameters:

msg - Mensaje a mostrar en el dialogo.

parentWindow - Ventana desde la que se lanza el dialogo

exception - Excepcion que ha sido recogida

messageBoxError

public void messageBoxError(String msg,
                   Object parentWindow,
                   ArrayList<Exception> exception)

Muestra un dialogo de error con un texto y un botón de aceptar. Se le pasa como último parámetros una lista de excepciones que serán guardadas en el log

Parameters:

msg - Mensaje a mostrar en el dialogo.

parentWindow - Ventana desde la que se lanza el dialogo

exception - Excepcion que ha sido recogida

exportRaster

public void exportRaster(String sFilename,
                Buffer buf,
                ColorInterpretation ci,
                Extent windowExtent,
                NoData nodata,
                IProjection proj)

Exports a raster buffer to disk

Parameters:

sFilename -

buf -

cellsize -

minX -

minY -

Throws:

ProviderNotRegisteredException

InitializeException

exportRaster

public boolean exportRaster(String sFilename,
                   Buffer buf,
                   double cellsize,
                   double minX,
                   double minY,
                   NoData nodata)

Exports a raster buffer to disk

Parameters:

sFilename -

buf -

cellsize -

minX -

minY -

Returns:

Throws:

ProviderNotRegisteredException

InitializeException

exportRaster

public boolean exportRaster(String sFilename,
                   Buffer buf,
                   double cellsize,
                   double minX,
                   double minY,
                   NoData nodata,
                   IProjection proj)

Exports buffer to disk

Parameters:

sFilename - Name of file to write data buffer

buf - data buffer

cellsize - Cell size of new raster

minX -

minY -

nodata - No data value of new raster

proj - Projection of new raster

Returns:

exportRaster

public boolean exportRaster(String sFilename,
                   Buffer buf,
                   Buffer alphaBuffer,
                   double cellsize,
                   double ulx,
                   double uly,
                   IProjection proj)

Export buffer to disk

Parameters:

sFilename - Name of raster file

buf - Buffer data with new data

alphaBuffer - Buffer with alpha data

cellsize - Cell size of new raster

ulx - X coordinate of upper left corner

uly - Y coordinate of upper left corner

proj - Projection of new raster

Returns:

exportRaster

public boolean exportRaster(String sFilename,
                   Buffer buf,
                   Buffer alphaBuffer,
                   double cellsize,
                   double ulx,
                   double uly)

Export buffer to disk

Parameters:

sFilename - Name of raster file

buf - Buffer data with new data

alphaBuffer - Buffer with alpha data

cellsize - Cell size of new raster

ulx - X coordinate of upper left corner

uly - Y coordinate of upper left corner

Returns:

exportRaster

public boolean exportRaster(String sFilename,
                   Buffer buf,
                   double cellsize,
                   double ulx,
                   double uly)

Exports raster buffer to disk

Parameters:

sFilename - Name of raster file

buf - Buffer data with new data

cellsize - Cell size of new raster

ulx - X coordinate of upper left corner

uly - Y coordinate of upper left corner

Returns:

exportRaster

public boolean exportRaster(String sFilename,
                   Buffer buf,
                   double cellsize,
                   double ulx,
                   double uly,
                   IProjection proj)

Exports raster buffer to disk

Parameters:

sFilename - Name of raster file

buf - Buffer data with new data

cellsize - Cell size of new raster

ulx - X coordinate of upper left corner

uly - Y coordinate of upper left corner

proj - Projection of new raster

Returns:

getIntersectionInPxCoords

protected Rectangle2D[] getIntersectionInPxCoords(RasterDataStore[] dataStoreList)

Gets a list of rectangles which represents the pixel coordinates of each DataStore. This rectangle is the area that intersects with the other DataStores in the list.

Parameters:

dataStoreList -

Returns:

isInsideOfROI

public boolean isInsideOfROI(int x,
                    int y,
                    List<ROI> rois,
                    Extent extentResult)

Checks if the point in pixel coordinates is inside the region of interest or not. The point will be

Parameters:

x -

y -

rois -

extentResult - Bounding box of the area to which belongs the point defined in pixel coordinates (x, y)

Returns:

getExtentResult

public Extent getExtentResult(Extent window,
                     List<ROI> rois,
                     RasterDataStore store)

Gets the bounding box taking into account whether there are ROIs or not

Returns:

isAnalizedEntireLayer

public boolean isAnalizedEntireLayer(Extent window,
                            List<ROI> rois,
                            RasterDataStore store)

Returns true if the algorithm is applied to the entire layer

Parameters:

extent -

rois -

store -

Returns:

getSourcePxBox

public Rectangle2D getSourcePxBox(Extent resultExtent,
                         RasterDataStore store)

Gets the bounding box of the source in pixel coordinates

Parameters:

resultExtent -

Returns:

createOutputBuffer

public Buffer createOutputBuffer(int w,
                        int h,
                        int bandCount)

Builds the output buffer

Parameters:

sourcePxBBox -

bandCount -

Returns:

createOutputBuffer

public Buffer createOutputBuffer(int w,
                        int h,
                        int bandCount,
                        int datatype)

createSourceBuffer

public Buffer createSourceBuffer(RasterDataStore store,
                        Rectangle2D sourcePxBBox,
                        boolean[] bands)
                          throws ProcessException

Gets a data buffer from a RasterDataStore

Throws:

ProcessException

getData

protected double getData(Buffer b,
             int row,
             int col,
             int band)

Gets a value of the buffer in double format

Parameters:

b -

row -

col -

band -

Returns: