com.bbn.openmap.layer.vpf
Class NodeTable

java.lang.Object
  com.bbn.openmap.layer.vpf.DcwRecordFile
      com.bbn.openmap.layer.vpf.PrimitiveTable
          com.bbn.openmap.layer.vpf.NodeTable

public class NodeTable
extends PrimitiveTable

Read VPF format node tables to generate point graphics for OpenMap.

Field Summary

Fields inherited from class com.bbn.openmap.layer.vpf.PrimitiveTable

covtable, idColumn, tile

Fields inherited from class com.bbn.openmap.layer.vpf.DcwRecordFile

byteorder, columnInfo, documentationFileName, filename, ID_COLUMN_NAME, inputFile, MSBFirst, recordLength, tableDescription, tablename, vli

Constructor Summary

NodeTable(CoverageTable cov, TileDirectory tile, boolean isEntityNode)
Construct a NodeTable for reading VPF text features.

Method Summary

OMGraphic	drawFeature(VPFFeatureWarehouse warehouse, double dpplat, double dpplon, LatLonPoint ll1, LatLonPoint ll2, java.util.List<java.lang.Object> node, java.lang.String featureType, int primID) Use the warehouse to create a graphic from a feature in a NodeTable.
void	drawTile(VPFGraphicWarehouse warehouse, double dpplat, double dpplon, LatLonPoint ll1, LatLonPoint ll2) Parse the node records for this tile, calling warehouse.createNode once for each record in the selection region.
int	getContainingFaceColumn() Returns the column that contains containing_face.
int	getFirstEdgeColumn() Returns the column that contains first_edge.

Methods inherited from class com.bbn.openmap.layer.vpf.PrimitiveTable

getCoverageTable, getID, getTileDirectory

Methods inherited from class com.bbn.openmap.layer.vpf.DcwRecordFile

close, finalize, finishInitialization, getColumnCount, getColumnInfo, getColumnName, getDescription, getDocumentationFilename, getRecordCount, getRecordLength, getRow, getRow, getTableFile, getTableName, getTilingAdapter, getTilingAdapter, getTilingAdapter, lookupSchema, lookupSchema, main, parseAllRowsAndPrintSome, parseRow, parseRow, parseSomeRowsAndPrint, printSchema, reopen, seekToRow, whatColumn

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeTable

public NodeTable(CoverageTable cov,
                 TileDirectory tile,
                 boolean isEntityNode)
          throws FormatException

Construct a NodeTable for reading VPF text features.

Parameters:

cov - the CoverageTable for the tile

tile - the tile to parse

isEntityNode - if true, parse end file; false, parse cnd file

Throws:

FormatException - if something goes wrong reading the text

Method Detail

getFirstEdgeColumn

public int getFirstEdgeColumn()

Returns the column that contains first_edge. May return -1 indicating the column doesn't exist.

getContainingFaceColumn

public int getContainingFaceColumn()

Returns the column that contains containing_face. May return -1 indicating the column doesn't exist.

drawTile

public void drawTile(VPFGraphicWarehouse warehouse,
                     double dpplat,
                     double dpplon,
                     LatLonPoint ll1,
                     LatLonPoint ll2)

Parse the node records for this tile, calling warehouse.createNode once for each record in the selection region.

Specified by:

drawTile in class PrimitiveTable

Parameters:

warehouse - the warehouse used for createNode calls (must not be null)

dpplat - threshold for latitude thinning (passed to warehouse)

dpplon - threshold for longitude thinning (passed to warehouse)

ll1 - upperleft of selection region (passed to warehouse)

ll2 - lowerright of selection region (passed to warehouse)

See Also:

VPFGraphicWarehouse.createNode(com.bbn.openmap.layer.vpf.CoverageTable, com.bbn.openmap.layer.vpf.NodeTable, java.util.List, double, double, boolean)

drawFeature

public OMGraphic drawFeature(VPFFeatureWarehouse warehouse,
                             double dpplat,
                             double dpplon,
                             LatLonPoint ll1,
                             LatLonPoint ll2,
                             java.util.List<java.lang.Object> node,
                             java.lang.String featureType,
                             int primID)

Use the warehouse to create a graphic from a feature in a NodeTable.

Specified by:

drawFeature in class PrimitiveTable

Parameters:

warehouse - the warehouse used for createNode calls (must not be null)

dpplat - threshold for latitude thinning (passed to warehouse)

dpplon - threshold for longitude thinngin (passed to warehouse)

ll1 - upperleft of selection region (passed to warehouse)

ll2 - lowerright of selection region (passed to warehouse)

node - a list with the NodeTable row contents.

featureType - the string representing the feature type, in case the warehouse wants to do some intelligent rendering.

primID - the primitive ID of the feature, in order to gather attributes if necessary.

See Also:

VPFGraphicWarehouse.createNode(com.bbn.openmap.layer.vpf.CoverageTable, com.bbn.openmap.layer.vpf.NodeTable, java.util.List, double, double, boolean)