/** * 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); }