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using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
namespace SimpleRadar
{
public class Sector
{
public static float Ratio = (float)(8);
static public bool PointInPolygon(PointF p, Sector sect)
{
PointF p1, p2;
bool inside = false;
foreach (Slice slice in sect.Slices)
{
PointF[] poly = slice.Points;
if (poly.Length < 3)
{
return inside;
}
PointF oldPoint = new PointF(
poly[poly.Length - 1].X, poly[poly.Length - 1].Y);
for (int i = 0; i < poly.Length; i++)
{
PointF newPoint = new PointF(poly[i].X, poly[i].Y);
if (newPoint.X > oldPoint.X)
{
p1 = oldPoint;
p2 = newPoint;
}
else
{
p1 = newPoint;
p2 = oldPoint;
}
if ((newPoint.X < p.X) == (p.X <= oldPoint.X) && ((long)p.Y - (long)p1.Y) * (long)(p2.X - p1.X)
< ((long)p2.Y - (long)p1.Y) * (long)(p.X - p1.X))
{
inside = !inside;
}
oldPoint = newPoint;
}
if (inside == true) break;
}
return inside;
}
public bool IsSelected = false;
public struct Slice
{
public int Floor;
public int Ceiling;
public PointF[] Points;
}
private string _Name;
public string Name
{
get { return _Name; }
set { _Name = value; }
}
public Slice[] Slices;
public override string ToString()
{
return _Name;
}
public void Draw(Graphics g, Pen p)
{
if (IsSelected)
p = new Pen(Brushes.Red, 5.0f);
PointF p1, p2;
foreach (Slice s in Slices)
{
for (int i = 0; i < (s.Points.Length - 1); i++)
{
p1 = s.Points[i] ;
p2 = s.Points[i + 1];
g.DrawLine(p, (float)PanAndZoomX(p1.X / Ratio), (float)PanAndZoomY(p1.Y / Ratio),
(float)PanAndZoomX(p2.X / Ratio), (float)PanAndZoomY(p2.Y / Ratio));
}
}
}
public Sector(sectorsSector raw)
{
_Name = raw.name;
Slices = new Slice[raw.slice.Length];
int indexSlice = 0;
foreach (sectorsSectorSlice s in raw.slice)
{
Slices[indexSlice].Floor = s.floor;
Slices[indexSlice].Ceiling = s.ceiling;
Slices[indexSlice].Points = new PointF[s.vertex.Length];
int indexVextex = 0;
foreach (sectorsSectorSliceVertex v in s.vertex)
{
Slices[indexSlice].Points[indexVextex] = MathCautra.ToCautra4(v.lat, v.lon);
indexVextex++;
}
indexSlice++;
}
}
#region Delegate Pan And Zoom
public delegate double PanAndZoom(double input);
[NonSerialized]
static public PanAndZoom PanAndZoomX;
[NonSerialized]
static public PanAndZoom PanAndZoomY;
#endregion
}
}
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