protected void buildTextPrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData) { VPFBufferedRecordData textTable = this.createPrimitiveTable(coverage, tile, VPFConstants.TEXT_PRIMITIVE_TABLE); if (textTable == null || textTable.getNumRecords() == 0) { return; } int numText = textTable.getNumRecords(); VPFPrimitiveData.BasicPrimitiveInfo[] textInfo = new VPFPrimitiveData.BasicPrimitiveInfo[numText]; VecBufferSequence coords = (VecBufferSequence)textTable.getRecordData("shape_line").getBackingData(); CompoundStringBuilder strings = (CompoundStringBuilder)textTable.getRecordData("string").getBackingData(); foreach (VPFRecord row in textTable) { int id = row.getId(); textInfo[VPFBufferedRecordData.indexFromId(id)] = new VPFPrimitiveData.BasicPrimitiveInfo( VPFBoundingBox.fromVecBuffer(coords.subBuffer(id))); } primitiveData.setPrimitiveInfo(VPFConstants.TEXT_PRIMITIVE_TABLE, textInfo); primitiveData.setPrimitiveCoords(VPFConstants.TEXT_PRIMITIVE_TABLE, coords); primitiveData.setPrimitiveStrings(VPFConstants.TEXT_PRIMITIVE_TABLE, strings); }
protected void buildNodePrimitives(VPFCoverage coverage, VPFTile tile, VPFPrimitiveData primitiveData) { VPFBufferedRecordData nodeTable = this.createPrimitiveTable(coverage, tile, VPFConstants.NODE_PRIMITIVE_TABLE); if (nodeTable != null && nodeTable.getNumRecords() > 0) { this.buildNodePrimitives(nodeTable, VPFConstants.NODE_PRIMITIVE_TABLE, primitiveData); } VPFBufferedRecordData entityNodeTable = this.createPrimitiveTable(coverage, tile, VPFConstants.ENTITY_NODE_PRIMITIVE_TABLE); if (entityNodeTable != null && entityNodeTable.getNumRecords() > 0) { this.buildNodePrimitives(entityNodeTable, VPFConstants.ENTITY_NODE_PRIMITIVE_TABLE, primitiveData); } VPFBufferedRecordData connectedNodeTable = this.createPrimitiveTable(coverage, tile, VPFConstants.CONNECTED_NODE_PRIMITIVE_TABLE); if (connectedNodeTable != null && connectedNodeTable.getNumRecords() > 0) { this.buildNodePrimitives(connectedNodeTable, VPFConstants.CONNECTED_NODE_PRIMITIVE_TABLE, primitiveData); } }
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); }
protected bool buildNodePrimitives(VPFBufferedRecordData table, String name, VPFPrimitiveData primitiveData) { int numNodes = table.getNumRecords(); VPFPrimitiveData.BasicPrimitiveInfo[] nodeInfo = new VPFPrimitiveData.BasicPrimitiveInfo[numNodes]; VecBufferSequence coords = (VecBufferSequence)table.getRecordData("coordinate").getBackingData(); foreach (VPFRecord row in table) { int id = row.getId(); nodeInfo[VPFBufferedRecordData.indexFromId(id)] = new VPFPrimitiveData.BasicPrimitiveInfo( VPFBoundingBox.fromVecBuffer(coords.subBuffer(id))); } primitiveData.setPrimitiveInfo(name, nodeInfo); primitiveData.setPrimitiveCoords(name, coords); return(true); }
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); }