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java.lang.Object com.bbn.openmap.dataAccess.shape.ShapeUtils com.bbn.openmap.layer.shape.ShapeIndex
public class ShapeIndex
A class representing a shape index file.
Currently this class has limited capabilities. It can dump the index information to stdout. This is useful for verification of a spatial index.
Usage
java com.bbn.openmap.shape.ShapeIndex file.shx
Dumps spatial index information, excluding bounding boxes
to stdout. Useful for comparing to a shape index.
SpatialIndex
Field Summary | |
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static int |
SHAPE_INDEX_RECORD_LENGTH
Size of the shape index record, value is 8 bytes. |
protected java.io.RandomAccessFile |
shx
The shape index file. |
Constructor Summary | |
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ShapeIndex(java.lang.String shxFilename)
Opens a shape index file for reading. |
Method Summary | |
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void |
dumpIndex()
Displays the contents of this index. |
static void |
main(java.lang.String[] args)
The driver for the command line interface. |
Methods inherited from class com.bbn.openmap.dataAccess.shape.ShapeUtils |
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getStringForType, readBEInt, readBox, readLEDouble, readLEInt, readLEInt, readLELong, readPoint, writeBEInt, writeBox, writeLEDouble, writeLEInt, writeLELong, writePoint |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int SHAPE_INDEX_RECORD_LENGTH
protected java.io.RandomAccessFile shx
Constructor Detail |
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public ShapeIndex(java.lang.String shxFilename) throws java.io.IOException
shxFilename
- the name of the spatial index file
java.io.IOException
- if something goes wrong opening the fileMethod Detail |
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public void dumpIndex() throws java.io.IOException
java.io.IOException
- if something goes wrong reading the filepublic static void main(java.lang.String[] args) throws java.io.IOException
See the file documentation for usage.
args
- the command line arguments
java.io.IOException
- if something goes wrong reading or
writing the file
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