/// <summary>
/// Writes a cell to a single row in a table, similarly to WriteCell(Cell),
/// but this method compresses the position and velocity arrays to take up half
/// the space (each element is 2 bytes instead of 4). It also writes the
/// data necessary to decompress the arrays (x0, y0, z0, the inverse scale
/// factor, the Peano-Hilbert level, and the box length).
/// </summary>
/// <param name="c">the cell to write out</param>
/// <param name="phbits"> the Peano-Hilbert indexing level</param>
/// <param name="box">the length of the box (in Mpc)</param>
/// <seealso cref="Cell"/>
public void WriteCompressedCell(Cell c, int phbits, double box)
{
this.Write(c.SnapNum);
this.Write(c.PHKey);
Int16[] posArray = c.PosToCompressedArray(phbits, box);
Int16[] velArray = c.VelToCompressedArray();
this.Write(c.x0);
this.Write(c.y0);
this.Write(c.z0);
this.Write(c.Count);
this.Write(c.scaleFactorInv);
try
{
this.Write(SqlSmallIntArrayMax.FromArray(posArray));
this.Write(SqlSmallIntArrayMax.FromArray(velArray));
this.Write(SqlBigIntArrayMax.FromArray(c.IdToArray()));
//don't write out the filter
//this.WriteFilter(c.filter);
}
catch (OverflowException e)
{
// TODO: log this in the summary file
Console.Write(e.Message);
}
}