/**
* Constructs a VPF Database from a path to the Database Header table. This initializes the Database Header Table
* and the Library Attribute Table.
*
* @param filePath the path to the Database Header Table.
*
* @return a new Database from the specified Database Header Table path.
*
* @throws ArgumentException if the file path is null or empty.
*/
public static VPFDatabase fromFile(String filePath)
{
if (WWUtil.isEmpty(filePath))
{
String message = Logging.getMessage("nullValue.FilePathIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
File file = new File(filePath);
if (!file.exists())
{
String message = Logging.getMessage("generic.FileNotFound", filePath);
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
// Database tables.
VPFBufferedRecordData dht = VPFUtils.readTable(file);
if (dht == null)
{
String message = Logging.getMessage("VPF.DatabaseHeaderTableMissing");
throw new WWRuntimeException(message);
}
VPFBufferedRecordData lat = VPFUtils.readTable(
new File(file.getParent(), VPFConstants.LIBRARY_ATTRIBUTE_TABLE));
if (lat == null)
{
String message = Logging.getMessage("VPF.LibraryAttributeTableMissing");
throw new WWRuntimeException(message);
}
VPFDatabase database = new VPFDatabase(file.getParent());
database.setDatabaseHeaderTable(dht);
database.setLibraryAttributeTable(lat);
// Database metadata attributes.
VPFRecord record = dht.getRecord(1);
if (record != null)
{
VPFUtils.checkAndSetValue(record, "database_name", AVKey.DISPLAY_NAME, database);
VPFUtils.checkAndSetValue(record, "database_desc", AVKey.DESCRIPTION, database);
}
// Database Libraries.
Collection <VPFLibrary> col = createLibraries(database, lat);
if (col != null)
{
database.setLibraries(col);
}
return(database);
}
protected void buildEdgePrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData)
{
VPFBufferedRecordData edgeTable = this.createPrimitiveTable(coverage, tile, VPFConstants.EDGE_PRIMITIVE_TABLE);
if (edgeTable == null || edgeTable.getNumRecords() == 0)
{
return;
}
VPFBufferedRecordData mbrTable = this.createPrimitiveTable(coverage, tile,
VPFConstants.EDGE_BOUNDING_RECTANGLE_TABLE);
if (mbrTable == null)
{
return;
}
int numEdges = edgeTable.getNumRecords();
VPFPrimitiveData.EdgeInfo[] edgeInfo = new VPFPrimitiveData.EdgeInfo[numEdges];
VecBufferSequence coords = (VecBufferSequence)edgeTable.getRecordData(
"coordinates").getBackingData();
foreach (VPFRecord row in edgeTable)
{
int id = row.getId();
VPFRecord mbrRow = mbrTable.getRecord(id);
edgeInfo[VPFBufferedRecordData.indexFromId(id)] = new VPFPrimitiveData.EdgeInfo(
getNumber(row.getValue("edge_type")),
getId(row.getValue("start_node")), getNumber(row.getValue("end_node")),
getId(row.getValue("left_face")), getId(row.getValue("right_face")),
getId(row.getValue("left_edge")), getId(row.getValue("right_edge")),
isEdgeOnTileBoundary(row),
VPFUtils.getExtent(mbrRow));
}
primitiveData.setPrimitiveInfo(VPFConstants.EDGE_PRIMITIVE_TABLE, edgeInfo);
primitiveData.setPrimitiveCoords(VPFConstants.EDGE_PRIMITIVE_TABLE, coords);
}
/**
* Constructs a VPF Library from the specified VPF Database and library name. This initializes the Library Header
* Table, the Coverage Attribute Table, and the Geographic Reference Table.
*
* @param database the Database which the Library resides in.
* @param name the Library's name.
*
* @return a new Library from the specified Database with the specified name.
*
* @throws ArgumentException if the database is null, or if the name is null or empty.
*/
public static VPFLibrary fromFile(VPFDatabase database, String name)
{
if (database == null)
{
String message = Logging.getMessage("nullValue.DatabaseIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
if (WWUtil.isEmpty(name))
{
String message = Logging.getMessage("nullValue.NameIsNull");
Logging.logger().severe(message);
throw new ArgumentException(message);
}
File file = new File(database.getFilePath(), name);
if (!file.exists())
{
String message = Logging.getMessage("generic.FileNotFound", file.getPath());
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
// Library tables.
VPFBufferedRecordData lht = VPFUtils.readTable(new File(file, VPFConstants.LIBRARY_HEADER_TABLE));
if (lht == null)
{
String message = Logging.getMessage("VPF.LibraryHeaderTableMissing");
throw new WWRuntimeException(message);
}
VPFBufferedRecordData cat = VPFUtils.readTable(new File(file, VPFConstants.COVERAGE_ATTRIBUTE_TABLE));
if (cat == null)
{
String message = Logging.getMessage("VPF.CoverageAttributeTableMissing");
throw new WWRuntimeException(message);
}
VPFBufferedRecordData grt = VPFUtils.readTable(new File(file, VPFConstants.GEOGRAPHIC_REFERENCE_TABLE));
if (grt == null)
{
String message = Logging.getMessage("VPF.GeographicReferenceTableMissing");
throw new WWRuntimeException(message);
}
VPFLibrary library = new VPFLibrary(database);
library.setLibraryHeaderTable(lht);
library.setCoverageAttributeTable(cat);
library.setGeographicReferenceTable(grt);
// Library metadata attributes.
VPFRecord record = database.getLibraryAttributeTable().getRecord("library_name", name);
if (record != null)
{
library.bounds = VPFUtils.getExtent(record);
}
record = lht.getRecord(1);
if (record != null)
{
VPFUtils.checkAndSetValue(record, "library_name", AVKey.DISPLAY_NAME, library);
VPFUtils.checkAndSetValue(record, "description", AVKey.DESCRIPTION, library);
}
// Library Coverages.
Collection <VPFCoverage> col = createCoverages(library, cat);
if (col != null)
{
library.setCoverages(col);
}
// Library tiles.
VPFCoverage cov = library.getCoverage(VPFConstants.TILE_REFERENCE_COVERAGE);
if (cov != null)
{
VPFTile[] tiles = createTiles(cov);
if (tiles != null)
{
library.setTiles(tiles);
}
else
{
String message = Logging.getMessage("VPF.NoTilesInTileReferenceCoverage");
Logging.logger().warning(message);
}
}
// Coverage tiled attributes.
foreach (VPFCoverage coverage in library.getCoverages())
{
bool tiled = isCoverageTiled(library, coverage);
coverage.setTiled(tiled);
}
return(library);
}
protected void buildFacePrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData)
{
VPFBufferedRecordData faceTable = this.createPrimitiveTable(coverage, tile, VPFConstants.FACE_PRIMITIVE_TABLE);
if (faceTable == null)
{
return;
}
VPFBufferedRecordData mbrTable = this.createPrimitiveTable(coverage, tile,
VPFConstants.FACE_BOUNDING_RECTANGLE_TABLE);
if (mbrTable == null)
{
return;
}
VPFBufferedRecordData ringTable = this.createPrimitiveTable(coverage, tile, VPFConstants.RING_TABLE);
if (ringTable == null)
{
return;
}
VPFPrimitiveData.PrimitiveInfo[] edgeInfo = primitiveData.getPrimitiveInfo(VPFConstants.EDGE_PRIMITIVE_TABLE);
int numFaces = faceTable.getNumRecords();
VPFPrimitiveData.FaceInfo[] faceInfo = new VPFPrimitiveData.FaceInfo[numFaces];
foreach (VPFRecord faceRow in faceTable)
{
int faceId = faceRow.getId();
VPFRecord mbrRow = mbrTable.getRecord(faceId);
// Face ID 1 is reserved for the "universe face", which does not have any associated geometry.
if (faceId == 1)
{
continue;
}
// The first ring primitive associated with the face primitive defines the outer ring. The face primitive must
// at least contain coordinates for an outer ring.
int ringId = ((Number)faceRow.getValue("ring_ptr")).intValue();
VPFRecord ringRow = ringTable.getRecord(ringId);
VPFPrimitiveData.Ring outerRing = this.buildRing(ringRow, edgeInfo);
// The ring table maintains an order relationship for its rows. The first record of a new face id will always
// be defined as the outer ring. Any repeating records with an identical face value will define inner rings.
ArrayList <VPFPrimitiveData.Ring> innerRingList = new ArrayList <VPFPrimitiveData.Ring>();
for (ringId = ringId + 1; ringId <= ringTable.getNumRecords(); ringId++)
{
ringRow = ringTable.getRecord(ringId);
// Break on the first ring primitive row which isn't associated with the face. Because the ring rows
// maintain an ordering with respect to face id, there will be no other ring rows corresponding to this
// face.
if (faceId != getId(ringRow.getValue("face_id")))
{
break;
}
VPFPrimitiveData.Ring innerRing = this.buildRing(ringRow, edgeInfo);
if (innerRing != null)
{
innerRingList.add(innerRing);
}
}
VPFPrimitiveData.Ring[] innerRings = new VPFPrimitiveData.Ring[innerRingList.size()];
innerRingList.toArray(innerRings);
faceInfo[VPFBufferedRecordData.indexFromId(faceId)] = new VPFPrimitiveData.FaceInfo(
outerRing, innerRings, VPFUtils.getExtent(mbrRow));
}
primitiveData.setPrimitiveInfo(VPFConstants.FACE_PRIMITIVE_TABLE, faceInfo);
}