public void AddPlacename(string name, float lat, float lon, Hashtable metaData)
{
WorldWindPlacenameFile p = null;
foreach (WorldWindPlacenameFile tempFile in m_placenameFiles)
{
if (lat < tempFile.north && lat >= tempFile.south && lon >= tempFile.west && lon < tempFile.east)
{
p = tempFile;
break;
}
}
if (p == null)
{
return;
}
if (p.m_placeNames.Count == 50000)
{
//split
WorldWindPlacenameFile[] splitFiles = p.SplitPlacenameFiles();
m_placenameFiles.Remove(p);
foreach (WorldWindPlacenameFile newFile in splitFiles)
{
m_placenameFiles.Add(newFile);
}
this.AddPlacename(name, lat, lon, metaData);
}
else
{
p.AddPlacename(name, lat, lon, metaData);
}
}
public WorldWindPlacenameList()
{
WorldWindPlacenameFile rootPlacenameFile = new WorldWindPlacenameFile();
rootPlacenameFile.dataFilename = "0000_0000.wwp";
rootPlacenameFile.north = 90.0f;
rootPlacenameFile.south = -90.0f;
rootPlacenameFile.west = -180.0f;
rootPlacenameFile.east = 180.0f;
m_placenameFiles.Add(rootPlacenameFile);
}
public override void Initialize(DrawArgs drawArgs)
{
this.isInitialized = true;
m_drawingFont = drawArgs.CreateFont(m_fontDescription);
if (!File.Exists(m_placenameListFilePath))
{
this.isInitialized = true;
Log.Write(Log.Levels.Error, "PLACE", m_placenameListFilePath + " not found.");
return;
}
if (m_iconFilePath != null)
{
m_iconTexture = ImageHelper.LoadIconTexture(m_iconFilePath);
using (Surface s = m_iconTexture.GetSurfaceLevel(0))
{
SurfaceDescription desc = s.Description;
m_spriteSize = new System.Drawing.Rectangle(0, 0, desc.Width, desc.Height);
}
m_sprite = new Sprite(drawArgs.device);
}
using (BufferedStream placenameFileListStream = new BufferedStream(File.Open(m_placenameListFilePath, FileMode.Open, FileAccess.Read, FileShare.Read)))
using (BinaryReader placenameFileListReader = new BinaryReader(placenameFileListStream, System.Text.Encoding.ASCII))
{
int count = placenameFileListReader.ReadInt32();
for (int i = 0; i < count; i++)
{
WorldWindPlacenameFile wwpf = new WorldWindPlacenameFile();
wwpf.dataFilename = placenameFileListReader.ReadString();
wwpf.west = placenameFileListReader.ReadSingle();
wwpf.south = placenameFileListReader.ReadSingle();
wwpf.east = placenameFileListReader.ReadSingle();
wwpf.north = placenameFileListReader.ReadSingle();
m_placenameFileList.Add(wwpf);
}
}
}
public WorldWindPlacenameFile[] SplitPlacenameFiles()
{
//split
WorldWindPlacenameFile northWest = new WorldWindPlacenameFile();
northWest.north = this.north;
northWest.south = 0.5f * (this.north + this.south);
northWest.west = this.west;
northWest.east = 0.5f * (this.west + this.east);
northWest.dataFilename = GetRowFromLatitude(northWest.south, northWest.north - northWest.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(northWest.west, northWest.east - northWest.west).ToString().PadLeft(4, '0') + ".wwp";
WorldWindPlacenameFile northEast = new WorldWindPlacenameFile();
northEast.north = this.north;
northEast.south = 0.5f * (this.north + this.south);
northEast.west = 0.5f * (this.west + this.east);
northEast.east = this.east;
northEast.dataFilename = GetRowFromLatitude(northEast.south, northEast.north - northEast.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(northEast.west, northEast.east - northEast.west).ToString().PadLeft(4, '0') + ".wwp";
WorldWindPlacenameFile southWest = new WorldWindPlacenameFile();
southWest.north = 0.5f * (this.north + this.south);
southWest.south = this.south;
southWest.west = this.west;
southWest.east = 0.5f * (this.west + this.east);
southWest.dataFilename = GetRowFromLatitude(southWest.south, southWest.north - southWest.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(southWest.west, southWest.east - southWest.west).ToString().PadLeft(4, '0') + ".wwp";
WorldWindPlacenameFile southEast = new WorldWindPlacenameFile();
southEast.north = 0.5f * (this.north + this.south);
southEast.south = this.south;
southEast.west = 0.5f * (this.west + this.east);
southEast.east = this.east;
southEast.dataFilename = GetRowFromLatitude(southEast.south, southEast.north - southEast.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(southEast.west, southEast.east - southEast.west).ToString().PadLeft(4, '0') + ".wwp";
foreach (WorldWindPlacename p in m_placeNames)
{
if (p.Lat >= 0.5f * (this.north + this.south))
{
if (p.Lon >= 0.5 * (this.west + this.east))
{
northEast.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
else
{
northWest.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
}
else
{
if (p.Lon >= 0.5 * (this.west + this.east))
{
southEast.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
else
{
southWest.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
}
}
WorldWindPlacenameFile[] returnArray = new WorldWindPlacenameFile[] { northWest, northEast, southWest, southEast };
return(returnArray);
}
/// <summary>
/// Loads visible place names from one file.
/// </summary>
void UpdateNames(WorldWindPlacenameFile placenameFileDescriptor, ArrayList tempPlacenames, DrawArgs drawArgs)
{
// TODO: Replace with bounding box frustum intersection test
double viewRange = drawArgs.WorldCamera.TrueViewRange.Degrees;
double north = drawArgs.WorldCamera.Latitude.Degrees + viewRange;
double south = drawArgs.WorldCamera.Latitude.Degrees - viewRange;
double west = drawArgs.WorldCamera.Longitude.Degrees - viewRange;
double east = drawArgs.WorldCamera.Longitude.Degrees + viewRange;
if (placenameFileDescriptor.north < south)
{
return;
}
if (placenameFileDescriptor.south > north)
{
return;
}
if (placenameFileDescriptor.east < west)
{
return;
}
if (placenameFileDescriptor.west > east)
{
return;
}
string dataFilePath = Path.Combine(Path.GetDirectoryName(m_placenameListFilePath), placenameFileDescriptor.dataFilename);
using (BufferedStream dataFileStream = new BufferedStream(File.Open(dataFilePath, FileMode.Open, FileAccess.Read, FileShare.Read)))
using (BinaryReader dataFileReader = new BinaryReader(dataFileStream, System.Text.Encoding.ASCII))
{
WorldWindPlacenameFile dataFile = new WorldWindPlacenameFile();
dataFile.dataFilename = placenameFileDescriptor.dataFilename;
dataFile.north = placenameFileDescriptor.north;
dataFile.south = placenameFileDescriptor.south;
dataFile.west = placenameFileDescriptor.west;
dataFile.east = placenameFileDescriptor.east;
int numberPlacenames = dataFileReader.ReadInt32();
tempPlacenames.Capacity = tempPlacenames.Count + numberPlacenames;
WorldWindPlacename curPlace = new WorldWindPlacename();
for (int i = 0; i < numberPlacenames; i++)
{
if (m_placeNames != null && curPlaceNameIndex < m_placeNames.Length)
{
curPlace = m_placeNames[curPlaceNameIndex];
}
string name = dataFileReader.ReadString();
float lat = dataFileReader.ReadSingle();
float lon = dataFileReader.ReadSingle();
int c = dataFileReader.ReadInt32();
// Not in use, removed for speed
// Hashtable metaData = new Hashtable(c);
for (int n = 0; n < c; n++)
{
string key = dataFileReader.ReadString();
string keyData = dataFileReader.ReadString();
// Not in use, removed for speed
//metaData.Add(key, keyData);
}
// for easier hit testing
float lonRanged = lon;
if (lonRanged < west)
{
lonRanged += 360; // add a revolution
}
if (lat > north || lat < south || lonRanged > east || lonRanged < west)
{
continue;
}
WorldWindPlacename pn = new WorldWindPlacename();
pn.Lat = lat;
pn.Lon = lon;
pn.Name = name;
// Not in use, removed for speed
//pn.metaData = metaData;
float elevation = 0;
if (m_parentWorld.TerrainAccessor != null && drawArgs.WorldCamera.Altitude < 300000)
{
elevation = (float)m_parentWorld.TerrainAccessor.GetElevationAt(lat, lon);
}
float altitude = (float)(m_parentWorld.EquatorialRadius + World.Settings.VerticalExaggeration * m_altitude + World.Settings.VerticalExaggeration * elevation);
pn.cartesianPoint = MathEngine.SphericalToCartesian(lat, lon, altitude);
float distanceSq = Vector3.LengthSq(pn.cartesianPoint - drawArgs.WorldCamera.Position);
if (distanceSq > m_maximumDistanceSq)
{
continue;
}
if (distanceSq < m_minimumDistanceSq)
{
continue;
}
if (!drawArgs.WorldCamera.ViewFrustum.ContainsPoint(pn.cartesianPoint))
{
continue;
}
tempPlacenames.Add(pn);
}
}
}
public WorldWindPlacenameList()
{
WorldWindPlacenameFile rootPlacenameFile = new WorldWindPlacenameFile();
rootPlacenameFile.dataFilename = "0000_0000.wwp";
rootPlacenameFile.north = 90.0f;
rootPlacenameFile.south = -90.0f;
rootPlacenameFile.west = -180.0f;
rootPlacenameFile.east = 180.0f;
m_placenameFiles.Add(rootPlacenameFile);
}
public WorldWindPlacenameFile[] SplitPlacenameFiles()
{
//split
WorldWindPlacenameFile northWest = new WorldWindPlacenameFile();
northWest.north = this.north;
northWest.south = 0.5f*(this.north + this.south);
northWest.west = this.west;
northWest.east = 0.5f*(this.west + this.east);
northWest.dataFilename = GetRowFromLatitude(northWest.south, northWest.north - northWest.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(northWest.west, northWest.east - northWest.west).ToString().PadLeft(4, '0') + ".wwp";
WorldWindPlacenameFile northEast = new WorldWindPlacenameFile();
northEast.north = this.north;
northEast.south = 0.5f*(this.north + this.south);
northEast.west = 0.5f*(this.west + this.east);
northEast.east = this.east;
northEast.dataFilename = GetRowFromLatitude(northEast.south, northEast.north - northEast.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(northEast.west, northEast.east - northEast.west).ToString().PadLeft(4, '0') + ".wwp";
WorldWindPlacenameFile southWest = new WorldWindPlacenameFile();
southWest.north = 0.5f*(this.north + this.south);
southWest.south = this.south;
southWest.west = this.west;
southWest.east = 0.5f*(this.west + this.east);
southWest.dataFilename = GetRowFromLatitude(southWest.south, southWest.north - southWest.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(southWest.west, southWest.east - southWest.west).ToString().PadLeft(4, '0') + ".wwp";
WorldWindPlacenameFile southEast = new WorldWindPlacenameFile();
southEast.north = 0.5f*(this.north + this.south);
southEast.south = this.south;
southEast.west = 0.5f*(this.west + this.east);
southEast.east = this.east;
southEast.dataFilename = GetRowFromLatitude(southEast.south, southEast.north - southEast.south).ToString().PadLeft(4, '0') + "_" + GetColFromLongitude(southEast.west, southEast.east - southEast.west).ToString().PadLeft(4, '0') + ".wwp";
foreach (WorldWindPlacename p in m_placeNames) {
if (p.Lat
>= 0.5f*(this.north + this.south)) {
if (p.Lon
>= 0.5*(this.west + this.east)) {
northEast.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
else {
northWest.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
}
else {
if (p.Lon
>= 0.5*(this.west + this.east)) {
southEast.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
else {
southWest.AddPlacename(p.Name, p.Lat, p.Lon, p.metaData);
}
}
}
WorldWindPlacenameFile[] returnArray = new WorldWindPlacenameFile[] {northWest, northEast, southWest, southEast};
return returnArray;
}
/// <summary>
/// Loads visible place names from one file.
/// </summary>
private void UpdateNames(WorldWindPlacenameFile placenameFileDescriptor, ArrayList tempPlacenames, DrawArgs drawArgs)
{
// TODO: Replace with bounding box frustum intersection test
double viewRange = drawArgs.WorldCamera.TrueViewRange.Degrees;
double north = drawArgs.WorldCamera.Latitude.Degrees + viewRange;
double south = drawArgs.WorldCamera.Latitude.Degrees - viewRange;
double west = drawArgs.WorldCamera.Longitude.Degrees - viewRange;
double east = drawArgs.WorldCamera.Longitude.Degrees + viewRange;
if (placenameFileDescriptor.north < south) {
return;
}
if (placenameFileDescriptor.south > north) {
return;
}
if (placenameFileDescriptor.east < west) {
return;
}
if (placenameFileDescriptor.west > east) {
return;
}
string dataFilePath = Path.Combine(Path.GetDirectoryName(m_placenameListFilePath), placenameFileDescriptor.dataFilename);
using (BufferedStream dataFileStream = new BufferedStream(File.Open(dataFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))) {
using (BinaryReader dataFileReader = new BinaryReader(dataFileStream, Encoding.UTF8)) {
WorldWindPlacenameFile dataFile = new WorldWindPlacenameFile();
dataFile.dataFilename = placenameFileDescriptor.dataFilename;
dataFile.north = placenameFileDescriptor.north;
dataFile.south = placenameFileDescriptor.south;
dataFile.west = placenameFileDescriptor.west;
dataFile.east = placenameFileDescriptor.east;
int numberPlacenames = dataFileReader.ReadInt32();
tempPlacenames.Capacity = tempPlacenames.Count + numberPlacenames;
WorldWindPlacename curPlace = new WorldWindPlacename();
for (int i = 0; i < numberPlacenames; i++) {
if (m_placeNames != null
&& curPlaceNameIndex < m_placeNames.Length) {
curPlace = m_placeNames[curPlaceNameIndex];
}
string name = dataFileReader.ReadString();
float lat = dataFileReader.ReadSingle();
float lon = dataFileReader.ReadSingle();
int c = dataFileReader.ReadInt32();
// Not in use, removed for speed
// Hashtable metaData = new Hashtable(c);
for (int n = 0; n < c; n++) {
string key = dataFileReader.ReadString();
string keyData = dataFileReader.ReadString();
// Not in use, removed for speed
//metaData.Add(key, keyData);
}
// for easier hit testing
float lonRanged = lon;
if (lonRanged < west) {
lonRanged += 360; // add a revolution
}
if (lat > north || lat < south || lonRanged > east
|| lonRanged < west) {
continue;
}
WorldWindPlacename pn = new WorldWindPlacename();
pn.Lat = lat;
pn.Lon = lon;
pn.Name = name;
// Not in use, removed for speed
//pn.metaData = metaData;
float elevation = 0;
if (m_parentWorld.TerrainAccessor != null
&& drawArgs.WorldCamera.Altitude < 300000) {
elevation = (float) m_parentWorld.TerrainAccessor.GetElevationAt(lat, lon);
}
float altitude = (float) (m_parentWorld.EquatorialRadius + World.Settings.VerticalExaggeration*m_altitude + World.Settings.VerticalExaggeration*elevation);
pn.cartesianPoint = MathEngine.SphericalToCartesian(lat, lon, altitude);
float distanceSq = Vector3.LengthSq(pn.cartesianPoint - drawArgs.WorldCamera.Position);
if (distanceSq > m_maximumDistanceSq) {
continue;
}
if (distanceSq < m_minimumDistanceSq) {
continue;
}
if (!drawArgs.WorldCamera.ViewFrustum.ContainsPoint(pn.cartesianPoint)) {
continue;
}
tempPlacenames.Add(pn);
}
}
}
}
public override void Initialize(DrawArgs drawArgs)
{
this.Inited = true;
m_drawingFont = drawArgs.CreateFont(m_fontDescription);
if (!File.Exists(m_placenameListFilePath)) {
this.Inited = true;
Log.Write("PLACE", m_placenameListFilePath + " not found.");
return;
}
if (m_iconFilePath != null) {
m_iconTexture = ImageHelper.LoadIconTexture(m_iconFilePath);
using (Surface s = m_iconTexture.GetSurfaceLevel(0)) {
SurfaceDescription desc = s.Description;
m_spriteSize = new Rectangle(0, 0, desc.Width, desc.Height);
}
m_sprite = new Sprite(drawArgs.Device);
}
using (BufferedStream placenameFileListStream = new BufferedStream(File.Open(m_placenameListFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))) {
using (BinaryReader placenameFileListReader = new BinaryReader(placenameFileListStream, Encoding.UTF8)) {
int count = placenameFileListReader.ReadInt32();
for (int i = 0; i < count; i++) {
WorldWindPlacenameFile wwpf = new WorldWindPlacenameFile();
wwpf.dataFilename = placenameFileListReader.ReadString();
wwpf.west = placenameFileListReader.ReadSingle();
wwpf.south = placenameFileListReader.ReadSingle();
wwpf.east = placenameFileListReader.ReadSingle();
wwpf.north = placenameFileListReader.ReadSingle();
m_placenameFileList.Add(wwpf);
}
}
}
}
