/*
private static int badTileSize = -1;
public static int BadTileSize
{
get{return badTileSize;}
}
private static byte [] badTileBytes;
public static bool IsBadTile(MemoryStream newTile)
{
byte [] newTileBuffer = new byte[badTileBytes.Length];
newTile.Position = badTileSize / 2;
newTile.Read(newTileBuffer, 0, newTileBuffer.Length);
bool isBad = true;
for(int i=0; i<badTileBytes.Length; i++)
{
byte badByte = badTileBytes[i];
byte newByte = newTileBuffer[i];
if(badByte != newByte)
{
isBad = false;
break;
}
}
newTile.Position = 0;
return isBad;
}
*/
/// <summary>
/// Layer initialization code
/// </summary>
public override void Initialize(DrawArgs drawArgs)
{
try
{
if (this.isInitialized == true)
{
return;
}
//init the sprite for PushPins
pushpinsprite = new Sprite(drawArgs.device);
//#if DEBUG
string spritePath = Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath) + "\\Plugins\\VirtualEarth\\VirtualEarthPushPin.png";
//#else
// string spritePath = VirtualEarthPlugin.PluginDir + @"\VirtualEarthPushPin.png";
//
//#endif
if (File.Exists(spritePath) == false)
{
Utility.Log.Write(new Exception("spritePath not found " + spritePath));
}
spriteSize = new Rectangle(0, 0, iconWidth, iconHeight);
ppspriteTexture = TextureLoader.FromFile(drawArgs.device, spritePath);
/*
try
{
//purposefully download the bad tile
//so it is not displayed or cached later on
Downloader d = new Downloader();
string badTileUrl = "http://r2.ortho.tiles.virtualearth.net/tiles/r0.png?g=1";
MemoryStream ms = d.DownloadImageStream(badTileUrl);
if(ms != null && ms.Length > 0)
{
//save off bad tile size for comparison
badTileSize = (int) ms.Length;
//save off some bytes to compare for false positives
ms.Position = badTileSize / 2;
badTileBytes = new byte[8];
ms.Read(badTileBytes, 0, badTileBytes.Length);
ms.Close();
ms = null;
}
}
catch(Exception ex)
{
Utility.Log.Write(ex);
}
*/
earthRadius = parentApplication.WorldWindow.CurrentWorld.EquatorialRadius;
earthCircum = earthRadius * 2.0 * Math.PI; //40075016.685578488
earthHalfCirc = earthCircum / 2; //20037508.
//NOTE tiles did not line up properly with ellps=WGS84
//string [] projectionParameters = new string[]{"proj=merc", "ellps=WGS84", "no.defs"};
//+proj=longlat +ellps=sphere +a=6370997.0 +es=0.0
string[] projectionParameters = new string[] { "proj=merc", "ellps=sphere", "a=" + earthRadius.ToString(), "es=0.0", "no.defs" };
proj = new Projection(projectionParameters);
//static
VeTile.Init(this.proj, parentApplication.WorldWindow.CurrentWorld.TerrainAccessor, parentApplication.WorldWindow.CurrentWorld.EquatorialRadius, veForm);
prevVe = World.Settings.VerticalExaggeration;
this.isInitialized = true;
}
catch (Exception ex)
{
Utility.Log.Write(ex);
throw;
}
}
public static void Init(Projection proj, TerrainAccessor terrainAccessor, double layerRadius, VirtualEarthForm veForm)
{
_proj = proj;
_terrainAccessor = terrainAccessor;
_layerRadius = layerRadius;
_veForm = veForm;
_font = new System.Drawing.Font("Verdana", 15, FontStyle.Bold);
_brush = new SolidBrush(Color.Green);
}