public virtual void ResetCache()
{
try {
m_isResetingCache = true;
this.isInitialized = false;
if (northEastChild != null)
{
northEastChild.ResetCache();
}
if (northWestChild != null)
{
northWestChild.ResetCache();
}
if (southEastChild != null)
{
southEastChild.ResetCache();
}
if (southWestChild != null)
{
southWestChild.ResetCache();
}
this.Dispose();
QuadTileSet.ImageStore.DeleteLocalCopy(this);
m_isResetingCache = false;
}
catch {}
}
public virtual void ResetCacheForCurrentView(WorldWind.Camera.CameraBase camera)
{
// if (!ImageStore.IsDownloadableLayer)
// return;
ArrayList deletionList = new ArrayList();
//reset "root" tiles that intersect current view
lock (m_topmostTiles.SyncRoot)
{
foreach (long key in m_topmostTiles.Keys)
{
QuadTile qt = (QuadTile)m_topmostTiles[key];
if (camera.ViewFrustum.Intersects(qt.BoundingBox))
{
qt.ResetCache();
deletionList.Add(key);
}
}
foreach (long deletionKey in deletionList)
{
m_topmostTiles.Remove(deletionKey);
}
}
}