shapereader.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

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<A NAME="ShapeReader()"><!-- --></A><H3>
ShapeReader</H3>
<PRE>
public <B>ShapeReader</B>()</PRE>
<DL>
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<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;args)</PRE>
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<DD><DL>
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<A NAME="openURL()"><!-- --></A><H3>
openURL</H3>
<PRE>
public static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A> <B>openURL</B>()
                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></PRE>
<DL>
<DD>This method will prompt the user for a shapefile.
 <p>
 This method will call System.exit() if the user presses cancel.
 </p>
<P>
<DD><DL>

<DT><B>Returns:</B><DD>url to selected shapefile.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></CODE></DL>
</DD>
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<A NAME="openShapefile(java.net.URL)"><!-- --></A><H3>
openShapefile</H3>
<PRE>
public static <A HREF="../../../../org/geotools/data/shapefile/ShapefileDataStore.html" title="class in org.geotools.data.shapefile">ShapefileDataStore</A> <B>openShapefile</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;shapeURL)
                                        throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></PRE>
<DL>
<DD>This method will open a shapefile directly using the ShapefileDatastore.
 <p>
 Please note this is "wrong" and limits your code to working with
 shapefiles for no reason. Look at openShapefile2 for a better example.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>shapeURL</CODE> - An URL for the shapefile
<DT><B>Returns:</B><DD>the ShapefileDataStore which contains the shapefile data.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/MalformedURLException.html" title="class or interface in java.net">MalformedURLException</A></CODE><DT><B>See Also:</B><DD><A HREF="../../../../org/geotools/demo/data/ShapeReader.html#openShapefile2(java.net.URL)"><CODE>openShapefile2(java.net.URL)</CODE></A></DL>
</DD>
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<A NAME="openShapefile2(java.net.URL)"><!-- --></A><H3>
openShapefile2</H3>
<PRE>
public static <A HREF="../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A> <B>openShapefile2</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url)
                                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>You can use the DataStoreFinder to find additional kinds of data access (including shapefile).
 <p>
 This will check the available jars on your class path, and return the first one that can
 work with the provided url. This example goes through each data store, geoserver actually
 includes two datastores that can read shapefiles (one with indexing one without).
 </p>
 <p>
 For your amusement we print out the parameters for the datastore used.
 </p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - 
<DT><B>Returns:</B><DD>DataStore for the provided URL
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If connection could not be made</DL>
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<A NAME="openShapefile3(java.net.URL)"><!-- --></A><H3>
openShapefile3</H3>
<PRE>
public static <A HREF="../../../../org/geotools/data/DataStore.html" title="interface in org.geotools.data">DataStore</A> <B>openShapefile3</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net">URL</A>&nbsp;url)
                                throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>You can use the DataStoreFinder to find additional kinds of data access (including shapefile).
 <p>
 This will check the available jars on your class path, and return the first one that can
 work with the provided url.
 </p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>url</CODE> - 
<DT><B>Returns:</B><DD>DataStore for the provided URL
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - If connection could not be made</DL>
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