/// <summary>Returns a hash code value for this envelope.</summary>
/// <returns>A hash code value for this envelope.</returns>
public override int GetHashCode()
{
int hashCode = m_description.GetHashCode();
hashCode = com.epl.geometry.NumberUtils.Hash(hashCode, m_envelope.GetHashCode());
if (!IsEmpty() && m_attributes != null)
{
for (int i = 0, n = (m_description.GetTotalComponentCount() - 2) * 2; i < n; i++)
{
hashCode = com.epl.geometry.NumberUtils.Hash(hashCode, m_attributes[i]);
}
}
return(hashCode);
}