periphery beams searching algorithms Sanjoy Nath's Geometrifying Trigonometry
Solution 1 To solve the problem of finding anticlockwise green lines from a set of given 2D line segments forming the outer boundary of a polygon, including concave sections with reentrant notches, we can implement a C# program. This solution involves several steps: 1. Read line segment data from a CSV file. 2. Determine outer boundary segments. 3. Identify and sort segments in anticlockwise order. 4. Filter green segments based on criteria. Below is the C# program to perform these tasks: ### C# Code Implementation ```csharp using System; using System.Collections.Generic; using System.Globalization; using System.IO; using System.Linq; namespace PolygonBoundaryFinder { public class LineSegment { public int RowNumber { get; set; } public int SegmentId { get; set; } public double ...