/// <summary>
/// For DAP 11 and later servers, switch to using the tile interface, updating the texture
/// info appropriately.
/// </summary>
private void SwitchToUseTiles()
{
if (m_oServer.MajorVersion >= 11 && m_hDataSet.Type.Equals("ArcGIS", StringComparison.InvariantCultureIgnoreCase))
{
m_iTextureSizePixels = DAP_TILE_SIZE;
m_dLevelZeroTileSizeDegrees = DAP_TILE_LZTS;
m_iLevels = DappleUtils.TileLevels(m_oServer.Command, m_hDataSet);
}
}
private QuadTileSet GetQuadTileSet()
{
if (m_layer == null)
{
SwitchToUseTiles();
string strCachePath = GetCachePath();
System.IO.Directory.CreateDirectory(strCachePath);
// Determine the needed levels (function of tile size and resolution if available)
// Shared code in DappleUtils of dapxmlclient
try
{
if (m_iLevels == 0)
{
m_iLevels = DappleUtils.Levels(m_oServer.Command, m_hDataSet);
}
}
catch
{
m_iLevels = 15;
}
ImageStore[] imageStores = new ImageStore[1];
imageStores[0] = new DAPImageStore(m_hDataSet, m_oServer)
{
DataDirectory = null,
LevelZeroTileSizeDegrees = LevelZeroTileSize,
LevelCount = m_iLevels,
ImageExtension = ".png",
CacheDirectory = strCachePath,
TextureSizePixels = m_iTextureSizePixels
};
m_layer = new QuadTileSet(m_hDataSet.Title, m_oWorldWindow.CurrentWorld, 0, m_hDataSet.Boundary.MaxY, m_hDataSet.Boundary.MinY,
m_hDataSet.Boundary.MinX, m_hDataSet.Boundary.MaxX, true, imageStores)
{
AlwaysRenderBaseTiles = true,
IsOn = m_IsOn,
Opacity = m_bOpacity
};
}
return(m_layer);
}
