using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace Unplugged.Segy { public class SurveyLine : ISurveyLine { public double StartX { get; set; } = -1; public double StartY { get; set; } = -1; public double EndX { get; set; } = -1; public double EndY { get; set; } = -1; public int LineNo { get; set; } = -1; public bool IsEmpty { get { return !(StartX > 0 && StartY > 0 && EndX > 0 && EndY > 0); } } } }