Method Detail

• dissolve

  public static DatasetVector dissolve(DatasetVector sourceDatasetVector,
                                       Datasource targetDatasource,
                                       java.lang.String targetDatasetName,
                                       DissolveParameter dissolveParameter)

  Vector data dissolving

  Parameters:

  sourceDatasetVector - [in] vector dataset to be dissolved

  targetDatasource - [in] output datasource

  targetDatasetName - [in] resulting dataset

  dissolveParameter - [in] Dissolving parameters

  Returns:

  the resulting dataset.

• eliminate

  public static boolean eliminate(DatasetVector sourceDatasetVector,
                                  double regionTolerance,
                                  double vertexTolerance,
                                  EliminateMode eliminateMode,
                                  boolean isDeleteSingleRegion)

  Merges tiny polygons in a region dataset

  Parameters:

  sourceDatasetVector - [in] vector region dataset to be merged

  regionTolerance - [in] the area of tiny polygon, polygons whose areas are smaller than the value will be merged

  vertexTolerance - [in] node tolerance

  eliminateMode - [in] merging mode setting

  isDeleteSingleRegion - [in] whether to delete isolated tiny polygons

  Returns:

  whether it is successful

• dualLineToCenterLine

  public static DatasetVector dualLineToCenterLine(Recordset sourceRecordset,
                                                   double maxWidth,
                                                   double minWidth,
                                                   Datasource outputDatasource,
                                                   java.lang.String outputDatasetName)

  Extracts center lines from double lines

  Parameters:

  sourceRecordset - Record set that center lines will extract from

  streetWidth - Width between double line

  outputDatasource - Outputs the datasource where the source dataset is saved

  outputDatasetName - Outputs the name of the center-line dataset

  Returns:

  the result dataset.

• dualLineToCenterLine

  public static GeoLine[] dualLineToCenterLine(Recordset sourceRecordset,
                                               double maxWidth,
                                               double minWidth)

  Extracts center lines from double lines

  Parameters:

  sourceRecordset - Record set that center lines will extract from

  streetWidth - Width between double line

  Returns:

  resulting object array.

• regionToCenterLine

  public static DatasetVector regionToCenterLine(Recordset regionRecordset,
                                                 Datasource outputDatasource,
                                                 java.lang.String outputDatasetName)

  Extracts center lines from regions

  Parameters:

  regionRecordset - Region record set that center lines will extract from

  outputDatasource - Outputs the datasource where the source dataset is saved

  outputDatasetName - Outputs the name of the center-line dataset

  Returns:

  the result dataset.

• regionToCenterLine

  public static GeoLine regionToCenterLine(GeoRegion sourceRegion,
                                           Point2D pointFrom,
                                           Point2D pointTo)

  Extracts center lines from regions

  Parameters:

  geoRegion - Regional objects that center lines will extract from

  pntStart - Select the starting point of center line to be extracted

  pntEnd - Select the ending point of center line to be extracted

  Returns:

  Returns the center lines of regions

• regionToCenterLine

  public static GeoLine regionToCenterLine(GeoRegion sourceRegion)

  Extracts center lines from regions

  Parameters:

  geoRegion - Regional objects that center lines will extract from

  pntStart - Select the starting point of center line to be extracted

  pntEnd - Select the ending point of center line to be extracted

  Returns:

  Returns the center lines of regions

• autoCompletePolygon

  public static GeoRegion[] autoCompletePolygon(DatasetVector regionDataset,
                                                Rectangle2D bounds,
                                                GeoLine geoLine)

  Auto complete regions

  Parameters:

  regionDataset - Reference region dataset

  bounds - Calculates bounds. Performs bound query to regionDataset to improve the performance. All reference regions must be in the specified bounds. if you don't specify bounds, the function will use the bounds of reference region dataset.

  geoLine - Auto completes line objects that are required by regions.

  Returns:

  Returns resulting object array. If the operation failed, returns null.

• aggregatePoints

  public static boolean aggregatePoints(DatasetVector pointDataset,
                                        double distance,
                                        Unit unit,
                                        int minPilePointCount,
                                        Datasource outDatasource,
                                        java.lang.String resultRegionDatasetName,
                                        java.lang.String resultClassFieldName)

  Point aggregation feature. Returns whether it is successful.

  Parameters:

  pointDataset - pointDataset Point set

  distance - distance spatial distance of cluster

  unit - Sets the unit of clustering radius

  minPilePointCount - The minimum number of points in a cluster when clustering points. If the number of a point cluster is less than the value, they won't be clustered.

  outDatasource - Returns datasource where the results are saved

  resultRegionDatasetName - Returns the name of the dataset that saves the resulting region objects

  resultClassFieldName - Returns the field that saves clustering categories. Field is saved in the source dataset. Valid categories starts from 1. 0 means invalid category. The points in the same category belong to the same class

  Returns:

• aggregatePoints

  public static boolean aggregatePoints(DatasetVector pointDataset,
                                        int aggregateCount,
                                        java.lang.String weightFieldName,
                                        Datasource outDatasource,
                                        java.lang.String resultRegionDatasetName,
                                        java.lang.String resultClassFieldName)

  Point aggregation feature. Returns whether it is successful.

  Parameters:

  pointDataset - pointDataset Point set

  aggregateCount - aggregateCount clustering number

  weightFieldName - weightFieldName weighted field name

  outDatasource - Returns datasource where the results are saved

  resultRegionDatasetName - Returns the name of the dataset that saves the resulting region objects

  resultClassFieldName - Returns the field that saves clustering categories. Fields are saved in the source dataset. The clustering categories start from 0.

  Returns:

• lineAttachRegion

  public static boolean lineAttachRegion(GeoLine geoLine,
                                         GeoRegion geoRegion,
                                         java.util.List<GeoRegion> listRegionCompare,
                                         double toleranceLineAttachRegion,
                                         double toleranceRegionMerge,
                                         double toleranceChange,
                                         boolean isUsePreProcess)

  Closes lines to regions. The interface is mainly used for national data processing.

  Parameters:

  geoLine - The lines to be processed.

  geoRegion - regions to be processed.

  listRegionCompare - Regions to be compared. The function needs a linked-list object.

  toleranceLineAttachRegion - when closing lines to regions, the tolerance for the snapping of ends of lines to nodes. If the distance from a line end to a node is less than the value, the end will be snapped to the node. Otherwise, the end will be snapped to the line segment of the region.

  toleranceRegionMerge - the tolerance of the inserting of nodes and the tolerance of the finding of repeated lines between regions.

  toleranceChange - Returns FALSE if the distance between the original line and the replaced line is bigger than the given tolerance.

  isUsePreProcess - whether to pre-process data

  Returns:

• integrate

  public static boolean integrate(DatasetVector sourceDatasetVector,
                                  double tolerance,
                                  Unit unit)

  Integrate

  Parameters:

  sourceDatasetVector - [in] source dataset to be integrated

  tolerance - [in] node tolerance

  unit - [in] tolerance unit

  Returns:

  Whether it is successful

• featureEnvelope

  public static DatasetVector featureEnvelope(DatasetVector sourceDataset,
                                              java.lang.String targetDatasetName,
                                              Datasource targetDatasource,
                                              boolean isSinglePart)

• featureEnvelope

  public static DatasetVector featureEnvelope(DatasetVector sourceDataset,
                                              java.lang.String targetDatasetName,
                                              Datasource targetDatasource)

• isPrjCoordSysIdentical

  public static boolean isPrjCoordSysIdentical(PrjCoordSys sourcePrjCoordSys,
                                               PrjCoordSys targetPrjCoordSys)

• addSteppedListener

  public static void addSteppedListener(SteppedListener l)

• removeSteppedListener

  public static void removeSteppedListener(SteppedListener l)

• regularizeBuildingFootprint

  public static DatasetVector regularizeBuildingFootprint(DatasetVector sourceDataset,
                                                          Datasource targetDatasource,
                                                          java.lang.String targetDatasetName,
                                                          RegularizeParameter param,
                                                          boolean isAttributeRetained)

  Regularizes buildings

  Parameters:

  sourceDataset - vector dataset to be calculated. It works on 2D region datasets

  targetDatasource - the output datasource

  targetDatasetName - resulting dataset name

  param - regularized parameters

  isAttributeRetained - whether to save the original fields

  Returns: