Java Doc for AbstractGridFormat.java in  » GIS » GeoTools-2.4.1 » org » geotools » data » coverage » grid » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » GIS » GeoTools 2.4.1 » org.geotools.data.coverage.grid 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.geotools.data.coverage.grid.AbstractGridFormat

All known Subclasses:   org.geotools.data.coverage.grid.UnknownFormat,
AbstractGridFormat
abstract public class AbstractGridFormat implements Format(Code)
AbstractGridFormat is a convenience class so subclasses only need to populate a Map class and set the read and write parameter fields. For example the ArcGridFormat has the following method which sets up all the required information: private void setInfo(){ HashMap info=new HashMap(); info.put("name", "ArcGrid"); info.put("description", "Arc Grid Coverage Format"); info.put("vendor", "Geotools"); info.put("docURL", "http://gdal.velocet.ca/projects/aigrid/index.html"); info.put("version", "1.0"); mInfo=info; readParameters=new GeneralParameterDescriptor[2]; readParameters[0]=ArcGridOperationParameter.getGRASSReadParam(); readParameters[0]=ArcGridOperationParameter.getCompressReadParam(); writeParameters=new GeneralParameterDescriptor[2]; writeParameters[0]=ArcGridOperationParameter.getGRASSWriteParam(); writeParameters[0]=ArcGridOperationParameter.getCompressWriteParam(); }
author:
   jeichar
author:
   Simone Giannecchiniorg.geotools.coverage.grid.io.AbstractGridFormat


Field Summary
final public static  DefaultParameterDescriptorGEOTOOLS_WRITE_PARAMS
     This GeneralParameterValue cacn be provided to the GridCoverageWriter s through the GridCoverageWriter.write(org.opengis.coverage.grid.GridCoverageGeneralParameterValue[]) method in order to control the writing process in terms of compression, tiling, etc.
final public static  DefaultParameterDescriptorREAD_GRIDGEOMETRY2D
     This GeneralParameterValue cacn be provided to the GridCoverageReader s through the GridCoverageReader.read(GeneralParameterValue[]) methid in order to pick up the best matching resolution level and (soon) the best matching area.
protected  MapmInfo
     The Map object is used by the information methods(such as getName()) as a data source.
protected  ParameterValueGroupreadParameters
    ParameterValueGroup that controls the reading process for a GridCoverageReader through the GridCoverageReader.read(org.opengis.parameter.GeneralParameterValue[]) method.
protected  ParameterValueGroupwriteParameters
    ParameterValueGroup that controls the writing process for a GridCoverageWriter through the GridCoverageWriter.write(org.opengis.coverage.grid.GridCoverageorg.opengis.parameter.GeneralParameterValue[]) method.


Method Summary
abstract public  booleanaccepts(Object input)
     Tells me if this Format can read the provided input.
Parameters:
  input - The input object to test for suitablilty.
public  booleanequals(Format f)
    
public static  CoordinateReferenceSystemgetDefaultCRS()
    
abstract public  GeoToolsWriteParamsgetDefaultImageIOWriteParameters()
     Returns an instance of ImageWriteParam that can be used to control a subsequent GridCoverageWriter.write(org.opengis.coverage.grid.GridCoverageorg.opengis.parameter.GeneralParameterValue[]) ;

Be careful with using the ImageWriteParam since their usage is still experimental.

public  StringgetDescription()
    
public  StringgetDocURL()
    
public  StringgetName()
    
public  ParameterValueGroupgetReadParameters()
    
abstract public  GridCoverageReadergetReader(Object source)
     Gets a GridCoverageReader for this format able to create coverages out of the source object.

In case this Format cannot reader the provided source object null is returned.
Parameters:
  source - The source object to parse.

abstract public  GridCoverageReadergetReader(Object source, Hints hints)
     Gets a GridCoverageReader for this format able to create coverages out of the source object using the provided hints.

In case this Format cannot reader the provided source object null is returned.
Parameters:
  source - The source object to parse.

public  StringgetVendor()
    
public  StringgetVersion()
    
public  ParameterValueGroupgetWriteParameters()
    
abstract public  GridCoverageWritergetWriter(Object destination)
     Retrieves a GridCoverageWriter suitable for writing to the provided destination with this format.

In case no writers are availaible null is returned.
Parameters:
  destination - The destinatin where to write.


Field Detail
GEOTOOLS_WRITE_PARAMS
final public static DefaultParameterDescriptor GEOTOOLS_WRITE_PARAMS(Code)
This GeneralParameterValue cacn be provided to the GridCoverageWriter s through the GridCoverageWriter.write(org.opengis.coverage.grid.GridCoverageGeneralParameterValue[]) method in order to control the writing process in terms of compression, tiling, etc.



READ_GRIDGEOMETRY2D
final public static DefaultParameterDescriptor READ_GRIDGEOMETRY2D(Code)
This GeneralParameterValue cacn be provided to the GridCoverageReader s through the GridCoverageReader.read(GeneralParameterValue[]) methid in order to pick up the best matching resolution level and (soon) the best matching area.



mInfo
protected Map mInfo(Code)
The Map object is used by the information methods(such as getName()) as a data source. The keys in the Map object (for the associated method) are as follows: getName() key = "name" value type=String getDescription() key = "description" value type=String getVendor() key = "vendor" value type=String getDocURL() key = "docURL" value type=String getVersion() key = "version" value type=String Naturally, any methods that are overridden need not have an entry in the Map



readParameters
protected ParameterValueGroup readParameters(Code)
ParameterValueGroup that controls the reading process for a GridCoverageReader through the GridCoverageReader.read(org.opengis.parameter.GeneralParameterValue[]) method.



writeParameters
protected ParameterValueGroup writeParameters(Code)
ParameterValueGroup that controls the writing process for a GridCoverageWriter through the GridCoverageWriter.write(org.opengis.coverage.grid.GridCoverageorg.opengis.parameter.GeneralParameterValue[]) method.





Method Detail
accepts
abstract public boolean accepts(Object input)(Code)
Tells me if this Format can read the provided input.
Parameters:
  input - The input object to test for suitablilty. True if this format can read this object, False otherwise.



equals
public boolean equals(Format f)(Code)

See Also:   org.geotools.data.coverage.grid.Format.equals(org.geotools.data.coverage.grid.Format)



getDefaultCRS
public static CoordinateReferenceSystem getDefaultCRS()(Code)
getDefaultCRS This method provides the user with a default crs WGS84



getDefaultImageIOWriteParameters
abstract public GeoToolsWriteParams getDefaultImageIOWriteParameters()(Code)
Returns an instance of ImageWriteParam that can be used to control a subsequent GridCoverageWriter.write(org.opengis.coverage.grid.GridCoverageorg.opengis.parameter.GeneralParameterValue[]) ;

Be careful with using the ImageWriteParam since their usage is still experimental. an instance of ImageWriteParam.




getDescription
public String getDescription()(Code)

See Also:   org.opengis.coverage.grid.Format.getDescription



getDocURL
public String getDocURL()(Code)

See Also:   org.opengis.coverage.grid.Format.getDocURL



getName
public String getName()(Code)

See Also:   org.opengis.coverage.grid.Format.getName



getReadParameters
public ParameterValueGroup getReadParameters()(Code)



getReader
abstract public GridCoverageReader getReader(Object source)(Code)
Gets a GridCoverageReader for this format able to create coverages out of the source object.

In case this Format cannot reader the provided source object null is returned.
Parameters:
  source - The source object to parse. A reader for this Format or null.




getReader
abstract public GridCoverageReader getReader(Object source, Hints hints)(Code)
Gets a GridCoverageReader for this format able to create coverages out of the source object using the provided hints.

In case this Format cannot reader the provided source object null is returned.
Parameters:
  source - The source object to parse. *
Parameters:
  hints - The Hints to use when trying to instantiate thisreader. A reader for this Format or null.




getVendor
public String getVendor()(Code)

See Also:   org.opengis.coverage.grid.Format.getVendor



getVersion
public String getVersion()(Code)

See Also:   org.opengis.coverage.grid.Format.getVersion



getWriteParameters
public ParameterValueGroup getWriteParameters()(Code)



getWriter
abstract public GridCoverageWriter getWriter(Object destination)(Code)
Retrieves a GridCoverageWriter suitable for writing to the provided destination with this format.

In case no writers are availaible null is returned.
Parameters:
  destination - The destinatin where to write. A GridCoverageWriter suitable for writing to the provideddestination with this format.




Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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