org.datasyslab.geospark.spatialRDD

Class SpatialRDD

java.lang.Object

org.datasyslab.geospark.spatialRDD.SpatialRDD

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

CircleRDD, LineStringRDD, PointRDD, PolygonRDD, RectangleRDD

public abstract class SpatialRDD
extends Object
implements Serializable

The Class SpatialRDD.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
Double[]	boundary The boundary.
com.vividsolutions.jts.geom.Envelope	boundaryEnvelope The boundary envelope.
List<com.vividsolutions.jts.geom.Envelope>	grids The grids.
org.apache.spark.api.java.JavaRDD<Object>	indexedRawRDD The indexed raw RDD.
org.apache.spark.api.java.JavaPairRDD<Integer,com.vividsolutions.jts.index.SpatialIndex>	indexedRDD The indexed RDD.
org.apache.spark.api.java.JavaRDD<Object>	rawSpatialRDD The raw spatial RDD.
org.apache.spark.api.java.JavaPairRDD<Integer,Object>	spatialPartitionedRDD The spatial partitioned RDD.
long	totalNumberOfRecords The total number of records.

Constructor Summary

Constructors

Constructor and Description
SpatialRDD()

Method Summary

Modifier and Type	Method and Description
protected boolean	analyze() Analyze.
protected boolean	analyze(org.apache.spark.storage.StorageLevel newLevel) Analyze.
com.vividsolutions.jts.geom.Envelope	boundary() Boundary.
void	buildIndex(IndexType indexType, boolean buildIndexOnSpatialPartitionedRDD) Builds the index.
long	countWithoutDuplicates() Count without duplicates.
long	countWithoutDuplicatesSPRDD() Count without duplicates SPRDD.
protected boolean	CRSTransform(String sourceEpsgCRSCode, String targetEpsgCRSCode) CRS transform.
boolean	getCRStransformation() Gets the CR stransformation.
org.apache.spark.api.java.JavaRDD<Object>	getRawSpatialRDD() Gets the raw spatial RDD.
String	getSourceEpsgCode() Gets the source epsg code.
String	getTargetEpgsgCode() Gets the target epgsg code.
RectangleRDD	MinimumBoundingRectangle() Deprecated.
void	saveAsGeoJSON(String outputLocation) Save as geo JSON.
void	setRawSpatialRDD(org.apache.spark.api.java.JavaRDD<Object> rawSpatialRDD) Sets the raw spatial RDD.
boolean	spatialPartitioning(GridType gridType) Spatial partitioning.
boolean	spatialPartitioning(List<com.vividsolutions.jts.geom.Envelope> otherGrids) Spatial partitioning.

Methods inherited from class java.lang.Object

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

Field Detail

totalNumberOfRecords

public long totalNumberOfRecords

The total number of records.

boundary

public Double[] boundary

The boundary.

boundaryEnvelope

public com.vividsolutions.jts.geom.Envelope boundaryEnvelope

The boundary envelope.

spatialPartitionedRDD

public org.apache.spark.api.java.JavaPairRDD<Integer,Object> spatialPartitionedRDD

The spatial partitioned RDD.

indexedRDD

public org.apache.spark.api.java.JavaPairRDD<Integer,com.vividsolutions.jts.index.SpatialIndex> indexedRDD

The indexed RDD.

indexedRawRDD

public org.apache.spark.api.java.JavaRDD<Object> indexedRawRDD

The indexed raw RDD.

rawSpatialRDD

public org.apache.spark.api.java.JavaRDD<Object> rawSpatialRDD

The raw spatial RDD.

grids

public List<com.vividsolutions.jts.geom.Envelope> grids

The grids.

Constructor Detail

SpatialRDD

public SpatialRDD()

Method Detail

CRSTransform

protected boolean CRSTransform(String sourceEpsgCRSCode,
                               String targetEpsgCRSCode)

CRS transform.

Parameters:

sourceEpsgCRSCode - the source epsg CRS code

targetEpsgCRSCode - the target epsg CRS code

Returns:

true, if successful

spatialPartitioning

public boolean spatialPartitioning(GridType gridType)
                            throws Exception

Spatial partitioning.

Parameters:

gridType - the grid type

Returns:

true, if successful

Throws:

Exception - the exception

spatialPartitioning

public boolean spatialPartitioning(List<com.vividsolutions.jts.geom.Envelope> otherGrids)
                            throws Exception

Spatial partitioning.

Parameters:

otherGrids - the other grids

Returns:

true, if successful

Throws:

Exception - the exception

countWithoutDuplicates

public long countWithoutDuplicates()

Count without duplicates.

Returns:

the long

countWithoutDuplicatesSPRDD

public long countWithoutDuplicatesSPRDD()

Count without duplicates SPRDD.

Returns:

the long

buildIndex

public void buildIndex(IndexType indexType,
                       boolean buildIndexOnSpatialPartitionedRDD)
                throws Exception

Builds the index.

Parameters:

indexType - the index type

buildIndexOnSpatialPartitionedRDD - the build index on spatial partitioned RDD

Throws:

Exception - the exception

boundary

public com.vividsolutions.jts.geom.Envelope boundary()

Boundary.

Returns:

the envelope

getRawSpatialRDD

public org.apache.spark.api.java.JavaRDD<Object> getRawSpatialRDD()

Gets the raw spatial RDD.

Returns:

the raw spatial RDD

setRawSpatialRDD

public void setRawSpatialRDD(org.apache.spark.api.java.JavaRDD<Object> rawSpatialRDD)

Sets the raw spatial RDD.

Parameters:

rawSpatialRDD - the new raw spatial RDD

analyze

protected boolean analyze(org.apache.spark.storage.StorageLevel newLevel)

Analyze.

Parameters:

newLevel - the new level

Returns:

true, if successful

analyze

protected boolean analyze()

Analyze.

Returns:

true, if successful

saveAsGeoJSON

public void saveAsGeoJSON(String outputLocation)

Save as geo JSON.

Parameters:

outputLocation - the output location

MinimumBoundingRectangle

@Deprecated
public RectangleRDD MinimumBoundingRectangle()

Deprecated.

Minimum bounding rectangle.

Returns:

the rectangle RDD

getCRStransformation

public boolean getCRStransformation()

Gets the CR stransformation.

Returns:

the CR stransformation

getSourceEpsgCode

public String getSourceEpsgCode()

Gets the source epsg code.

Returns:

the source epsg code

getTargetEpgsgCode

public String getTargetEpgsgCode()

Gets the target epgsg code.

Returns:

the target epgsg code