ucar.unidata.gis.shapefile
Class ProjFile

java.lang.Object
  ucar.unidata.gis.shapefile.ProjFile

public class ProjFile
extends Object

Class to read a shapefile .prj file

Constructor Summary

ProjFile(File file)
Create a new Projfile from the location spec

ProjFile(InputStream s)
Initialize the ProjFile from an input stream

ProjFile(String spec)
Create a new Projfile from the location spec

ProjFile(URL url)
Create a new Projfile from the URL

Method Summary

double[][]	convertToLonLat(double[][] xy) Convert the xy values to lat/lon
ucar.unidata.geoloc.ProjectionImpl	getProjection() Get the projection defined by this file
void	init(InputStream s) Process the file contents from the stream
String	toString() _more_

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjFile

public ProjFile(URL url)
         throws Exception

Create a new Projfile from the URL

Parameters:

url - URL to the *.prj file

Throws:

Exception - problem reading or parsing the file

ProjFile

public ProjFile(String spec)
         throws Exception

Create a new Projfile from the location spec

Parameters:

spec - Location of the *.prj file, as either a URL or filename

Throws:

Exception - problem reading or parsing the file

ProjFile

public ProjFile(File file)
         throws Exception

Create a new Projfile from the location spec

Parameters:

file - A file object of the *.prj file.

Throws:

Exception - problem reading or parsing the file

ProjFile

public ProjFile(InputStream s)
         throws Exception

Initialize the ProjFile from an input stream

Parameters:

s - the input stream

Throws:

Exception - problem reading or parsing the file

Method Detail

init

public void init(InputStream s)

Process the file contents from the stream

Parameters:

s - the input stream from the .prj file

toString

public String toString()

_more_

Overrides:

toString in class Object

Returns:

_more_

getProjection

public ucar.unidata.geoloc.ProjectionImpl getProjection()

Get the projection defined by this file

Returns:

the projection or null

convertToLonLat

public double[][] convertToLonLat(double[][] xy)

Convert the xy values to lat/lon

Parameters:

xy - the xy

Returns:

the lat/lon values or xy if no projection