private void ApplyElevation(QuadTreeNode tile)
{
var data = DataByTile[tile];
TileMatrix tileMatrix = ElevationTileMatrixSet[tile.Depth];
long zoomLevel = tile.Depth;
long matrixRow = (long)Mathf.Floor((float)(tile.GeographicBounds.MinimumCoordinates.Latitude - Elevation.MinY) / tileMatrix.TilesHigh);
long matrixColumn = (long)Mathf.Floor((float)(tile.GeographicBounds.MinimumCoordinates.Longitude - Elevation.MinX) / tileMatrix.TilesWide);
var elevation = Elevation.Tile(zoomLevel, matrixRow, matrixColumn);
//File.WriteAllBytes("D:/elevtest.dat", elevation.Bytes);
int meshDimension = (int)tileMatrix.TileWidth;
var array = TiffToFloatArray(elevation.Bytes, meshDimension);
int vertexIndex = 0;
for (int row = 0; row < meshDimension; ++row)
{
for (int column = 0; column < meshDimension; ++column, ++vertexIndex)
{
data.vertices[vertexIndex].y = array[vertexIndex];
}
}
}