public ShapeFileLayer(string id, World parentWorld, string shapeFilePath, double minimumViewingAltitude, double maximumViewingAltitude, float lztsd, GeographicBoundingBox bounds, string dataKey, bool scaleColorsToData, double scalarFilterMin, double scalarFilterMax, double scaleMin, double scaleMax, string[] noDataValues, string[] activeDataValues, bool polygonFill, bool outlinePolygons, Color polygonFillColor, ShapeFillStyle shapeFillHatchStyle, Color lineColor, float lineWidth, bool showLabels, Color labelColor, string iconFilePath, int iconWidth, int iconHeight, byte iconOpacity)
: base(id, parentWorld.Position, parentWorld.Orientation)
{
m_MinimumViewingAltitude = minimumViewingAltitude;
m_MaximumViewingAltitude = maximumViewingAltitude;
m_lztsd = lztsd;
m_ShapeTileArgs = new ShapeTileArgs(parentWorld, new Size(256, 256), parentWorld.EquatorialRadius, this, dataKey, scaleColorsToData, scaleMin, scaleMax, noDataValues, activeDataValues, polygonFill, outlinePolygons, polygonFillColor, shapeFillHatchStyle, lineColor, labelColor, lineWidth, showLabels);
m_ScalarFilterMin = scalarFilterMin;
m_ScalarFilterMax = scalarFilterMax;
m_ShapeFilePath = shapeFilePath;
m_IconFilePath = iconFilePath;
m_IconWidth = iconWidth;
m_IconHeight = iconHeight;
m_IconOpacity = iconOpacity;
/*Produces tile tree for whole earth*/
/*Need to implement clipping*/
m_NumberRootTilesHigh = (int) (180.0f/m_lztsd);
double tileSize = 180.0f/m_NumberRootTilesHigh;
m_RootTiles = new ShapeTile[m_NumberRootTilesHigh*(m_NumberRootTilesHigh*2)];
//System.Console.WriteLine("North:{0} South:{1} East:{2} West:{3}",
// bounds.North,bounds.South,bounds.East,bounds.West);
int istart = 0;
int iend = m_NumberRootTilesHigh;
int jstart = 0;
int jend = m_NumberRootTilesHigh*2;
int createdtiles = 0;
for (int i = istart; i < iend; i++) {
for (int j = jstart; j < jend; j++) {
double north = (i + 1)*tileSize - 90.0f;
double south = i*tileSize - 90.0f;
double west = j*tileSize - 180.0f;
double east = (j + 1)*tileSize - 180.0f;
m_RootTiles[i*m_NumberRootTilesHigh*2 + j] = new ShapeTile(new GeographicBoundingBox(north, south, west, east), m_ShapeTileArgs);
m_RootTiles[i*m_NumberRootTilesHigh*2 + j].Level = 0;
m_RootTiles[i*m_NumberRootTilesHigh*2 + j].Row = i;
m_RootTiles[i*m_NumberRootTilesHigh*2 + j].Col = j;
createdtiles++;
}
}
//Console.WriteLine("Created Tiles "+createdtiles);
}
public void Update(DrawArgs drawArgs)
{
try {
double centerLatitude = 0.5*(m_GeoBB.North + m_GeoBB.South);
double centerLongitude = 0.5*(m_GeoBB.West + m_GeoBB.East);
double tileSize = m_GeoBB.North - m_GeoBB.South;
if (!m_Initialized) {
if (drawArgs.WorldCamera.ViewRange*0.5f < Angle.FromDegrees(ShapeTileArgs.TileDrawDistance*tileSize) && MathEngine.SphericalDistance(Angle.FromDegrees(centerLatitude), Angle.FromDegrees(centerLongitude), drawArgs.WorldCamera.Latitude, drawArgs.WorldCamera.Longitude) < Angle.FromDegrees(ShapeTileArgs.TileSpreadFactor*tileSize*1.25f)
&& drawArgs.WorldCamera.ViewFrustum.Intersects(BoundingBox)) {
Initialize(drawArgs);
}
}
if (m_Initialized) {
if (m_NwImageLayer != null) {
m_NwImageLayer.Update(drawArgs);
}
if (m_NeImageLayer != null) {
m_NeImageLayer.Update(drawArgs);
}
if (m_SwImageLayer != null) {
m_SwImageLayer.Update(drawArgs);
}
if (m_SeImageLayer != null) {
m_SeImageLayer.Update(drawArgs);
}
if (drawArgs.WorldCamera.ViewRange < Angle.FromDegrees(ShapeTileArgs.TileDrawDistance*tileSize) && MathEngine.SphericalDistance(Angle.FromDegrees(centerLatitude), Angle.FromDegrees(centerLongitude), drawArgs.WorldCamera.Latitude, drawArgs.WorldCamera.Longitude) < Angle.FromDegrees(ShapeTileArgs.TileSpreadFactor*tileSize)
&& drawArgs.WorldCamera.ViewFrustum.Intersects(BoundingBox)) {
if (m_NorthEastChild == null && m_NorthWestChild == null && m_SouthEastChild == null
&& m_SouthWestChild == null) {
ComputeChildren(drawArgs);
}
else {
if (m_NorthEastChild != null) {
m_NorthEastChild.Update(drawArgs);
}
if (m_NorthWestChild != null) {
m_NorthWestChild.Update(drawArgs);
}
if (m_SouthEastChild != null) {
m_SouthEastChild.Update(drawArgs);
}
if (m_SouthWestChild != null) {
m_SouthWestChild.Update(drawArgs);
}
}
}
else {
if (m_NorthWestChild != null) {
m_NorthWestChild.Dispose();
m_NorthWestChild = null;
}
if (m_NorthEastChild != null) {
m_NorthEastChild.Dispose();
m_NorthEastChild = null;
}
if (m_SouthEastChild != null) {
m_SouthEastChild.Dispose();
m_SouthEastChild = null;
}
if (m_SouthWestChild != null) {
m_SouthWestChild.Dispose();
m_SouthWestChild = null;
}
}
}
if (m_Initialized) {
if (drawArgs.WorldCamera.ViewRange > Angle.FromDegrees(ShapeTileArgs.TileDrawDistance*tileSize*1.5f)
|| MathEngine.SphericalDistance(Angle.FromDegrees(centerLatitude), Angle.FromDegrees(centerLongitude), drawArgs.WorldCamera.Latitude, drawArgs.WorldCamera.Longitude) > Angle.FromDegrees(ShapeTileArgs.TileSpreadFactor*tileSize*1.5f)) {
//if(this.level != 0)
//{
Dispose();
//}
}
}
}
catch (Exception ex) {
Log.Write(ex);
}
}
private ShapeTile ComputeChild(DrawArgs drawArgs, double childSouth, double childNorth, double childWest, double childEast, double tileSize)
{
ShapeTile child = new ShapeTile(new GeographicBoundingBox(childNorth, childSouth, childWest, childEast), m_ShapeTileArgs);
return child;
}
public virtual void ComputeChildren(DrawArgs drawArgs)
{
float tileSize = (float) (0.5*(m_GeoBB.North - m_GeoBB.South));
//TODO: Stop children computation at some lower level
if (tileSize > 0.0001) {
double CenterLat = 0.5f*(m_GeoBB.North + m_GeoBB.South);
double CenterLon = 0.5f*(m_GeoBB.East + m_GeoBB.West);
if (m_NorthWestChild == null && m_NwImageLayer != null && m_Initialized) {
m_NorthWestChild = ComputeChild(drawArgs, CenterLat, m_GeoBB.North, m_GeoBB.West, CenterLon, tileSize);
m_NorthWestChild.Level = Level++;
m_NorthWestChild.Row = 2*Row + 1;
m_NorthWestChild.Col = 2*Col;
m_NorthWestChild.Initialize(drawArgs);
}
if (m_NorthEastChild == null && m_NeImageLayer != null && m_Initialized) {
m_NorthEastChild = ComputeChild(drawArgs, CenterLat, m_GeoBB.North, CenterLon, m_GeoBB.East, tileSize);
m_NorthEastChild.Level = Level++;
m_NorthEastChild.Row = 2*Row + 1;
m_NorthEastChild.Col = 2*Col + 1;
m_NorthEastChild.Initialize(drawArgs);
}
if (m_SouthWestChild == null && m_SwImageLayer != null && m_Initialized) {
m_SouthWestChild = ComputeChild(drawArgs, m_GeoBB.South, CenterLat, m_GeoBB.West, CenterLon, tileSize);
m_SouthWestChild.Level = Level++;
m_SouthWestChild.Row = 2*Row;
m_SouthWestChild.Col = 2*Col;
m_SouthWestChild.Initialize(drawArgs);
}
if (m_SouthEastChild == null && m_SeImageLayer != null && m_Initialized) {
m_SouthEastChild = ComputeChild(drawArgs, m_GeoBB.South, CenterLat, CenterLon, m_GeoBB.East, tileSize);
m_SouthEastChild.Level = Level++;
m_SouthEastChild.Row = 2*Row;
m_SouthEastChild.Col = 2*Col + 1;
m_SouthEastChild.Initialize(drawArgs);
}
}
}
