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 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 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);
}
public PrimitiveInfo getPrimitiveInfo(String name, int id)
{
return(this.primitiveInfo.get(name)[VPFBufferedRecordData.indexFromId(id)]);
}
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);
}