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java.lang.Objectorg.openstreetmap.osmosis.core.filter.common.PolygonFileReader
public class PolygonFileReader
Reads the contents of a polygon file into an Area instance.
The file format is defined at http://www.maproom.psu.edu/dcw/. An example is provided here. The first line contains the name of the file, the second line contains the name of an individual polygon and if it is prefixed with ! it means it is a negative polygon to be subtracted from the resultant extraction polygon.
australia_v
1
0.1446763E+03 -0.3825659E+02
0.1446693E+03 -0.3826255E+02
0.1446627E+03 -0.3825661E+02
0.1446763E+03 -0.3824465E+02
0.1446813E+03 -0.3824343E+02
0.1446824E+03 -0.3824484E+02
0.1446826E+03 -0.3825356E+02
0.1446876E+03 -0.3825210E+02
0.1446919E+03 -0.3824719E+02
0.1447006E+03 -0.3824723E+02
0.1447042E+03 -0.3825078E+02
0.1446758E+03 -0.3826229E+02
0.1446693E+03 -0.3826255E+02
END
!2
0.1422483E+03 -0.3839481E+02
0.1422436E+03 -0.3839315E+02
0.1422496E+03 -0.3839070E+02
0.1422543E+03 -0.3839025E+02
0.1422574E+03 -0.3839155E+02
0.1422467E+03 -0.3840065E+02
0.1422433E+03 -0.3840048E+02
0.1422420E+03 -0.3839857E+02
0.1422436E+03 -0.3839315E+02
END
END
Constructor Summary | |
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PolygonFileReader(java.io.File polygonFile)
Creates a new instance. |
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PolygonFileReader(java.io.InputStream polygonFile,
java.lang.String name)
Creates a new instance. |
Method Summary | |
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java.lang.String |
getPolygonName()
This method must only be called after loadPolygon() . |
java.awt.geom.Area |
loadPolygon()
Builds an Area configured with the polygon information defined in the file. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PolygonFileReader(java.io.InputStream polygonFile, java.lang.String name)
polygonFile
- The file to read polygon units from.name
- to report in debug outputpublic PolygonFileReader(java.io.File polygonFile)
polygonFile
- The file to read polygon units from.Method Detail |
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public java.awt.geom.Area loadPolygon()
public java.lang.String getPolygonName()
loadPolygon()
.
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