76 lines
1.6 KiB
Java
76 lines
1.6 KiB
Java
package btools.server;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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public class Area
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{
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private List<Polygon> poslist = new ArrayList<Polygon>();
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private List<Polygon> neglist = new ArrayList<Polygon>();
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public static void main( String[] args ) throws IOException
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{
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Area a = new Area( new File( args[0] ) );
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System.out.println( args[1] + " is in " + args[0] + "=" + a.isInArea( Long.parseLong( args[1] ) ) );
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}
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public Area( File f ) throws IOException
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{
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BufferedReader br = new BufferedReader( new FileReader( f ) );
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br.readLine();
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for(;;)
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{
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String head = br.readLine();
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if ( head == null || "END".equals( head ) )
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{
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break;
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}
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Polygon pol = new Polygon( br );
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if ( head.startsWith( "!" ) )
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{
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neglist.add( pol );
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}
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else
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{
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poslist.add( pol );
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}
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}
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}
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public boolean isInArea( long id )
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{
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for( int i=0; i<poslist.size(); i++)
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{
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if ( poslist.get(i).isInPolygon( id ) )
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{
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for( int j=0; j<neglist.size(); j++)
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{
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if ( neglist.get(i).isInPolygon( id ) )
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{
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return false;
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}
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}
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return true;
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}
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}
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return false;
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}
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public boolean isInBoundingBox( long id )
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{
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for( int i=0; i<poslist.size(); i++)
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{
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if ( poslist.get(i).isInBoundingBox( id ) )
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{
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return true;
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}
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}
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return false;
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}
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}
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