org.geotools.gce.gtopo30
Class GTopo30Reader

java.lang.Object
  org.geotools.gce.gtopo30.GTopo30Reader

All Implemented Interfaces:

org.opengis.coverage.grid.GridCoverageReader

public class GTopo30Reader

extends java.lang.Object

implements org.opengis.coverage.grid.GridCoverageReader

This class provides a GridCoverageReader for the GTopo30Format.

Author:

jeichar, mkraemer

Constructor Summary

GTopo30Reader(java.lang.Object source)
GTopo30Reader constructor.

Method Summary

void	dispose()
java.lang.String	getCurrentSubname()
org.opengis.coverage.grid.Format	getFormat()
java.lang.String[]	getMetadataNames()
java.lang.String	getMetadataValue(java.lang.String name)
java.lang.Object	getSource()
boolean	hasMoreGridCoverages()
java.lang.String[]	listSubNames()
org.opengis.coverage.grid.GridCoverage	read(org.opengis.parameter.GeneralParameterValue[] parameters)
void	setCropEnvelope(GeneralEnvelope crop) Sets an envelope that will be used to crop the source data in order to get fewer data from the file
void	skip()

Methods inherited from class java.lang.Object

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

Constructor Detail

GTopo30Reader

public GTopo30Reader(java.lang.Object source)
              throws java.net.MalformedURLException,
                     DataSourceException

GTopo30Reader constructor.

Parameters:

source - The source object (can be a File, an URL or a String representing a File or an URL).

Throws:

java.net.MalformedURLException - if the URL does not correspond to one of the GTopo30 files

DataSourceException - if the given url points to an unrecognized file

Method Detail

setCropEnvelope

public void setCropEnvelope(GeneralEnvelope crop)

Sets an envelope that will be used to crop the source data in order to get fewer data from the file

Parameters:

crop - the rectangle that will be used to extract data from the file

getFormat

public org.opengis.coverage.grid.Format getFormat()

Specified by:

getFormat in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.getFormat()

getSource

public java.lang.Object getSource()

Specified by:

getSource in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.getSource()

getMetadataNames

public java.lang.String[] getMetadataNames()

Specified by:

getMetadataNames in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.getMetadataNames()

getMetadataValue

public java.lang.String getMetadataValue(java.lang.String name)
                                  throws org.opengis.coverage.MetadataNameNotFoundException

Specified by:

getMetadataValue in interface org.opengis.coverage.grid.GridCoverageReader

Throws:

org.opengis.coverage.MetadataNameNotFoundException

See Also:

GridCoverageReader.getMetadataValue(java.lang.String)

listSubNames

public java.lang.String[] listSubNames()

Specified by:

listSubNames in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.listSubNames()

getCurrentSubname

public java.lang.String getCurrentSubname()

Specified by:

getCurrentSubname in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.getCurrentSubname()

read

public org.opengis.coverage.grid.GridCoverage read(org.opengis.parameter.GeneralParameterValue[] parameters)
                                            throws java.lang.IllegalArgumentException,
                                                   java.io.IOException

Specified by:

read in interface org.opengis.coverage.grid.GridCoverageReader

Throws:

java.lang.IllegalArgumentException

java.io.IOException

See Also:

GridCoverageReader.read(org.opengis.parameter.GeneralParameterValue[])

dispose

public void dispose()

Specified by:

dispose in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.dispose()

hasMoreGridCoverages

public boolean hasMoreGridCoverages()

Specified by:

hasMoreGridCoverages in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.hasMoreGridCoverages()

skip

public void skip()

Specified by:

skip in interface org.opengis.coverage.grid.GridCoverageReader

See Also:

GridCoverageReader.skip()