/// <summary>
/// 平面での線と点の位置関係
/// ・｜
/// ｜・
///
/// 点p1 - 点p2 を結ぶ線分の左右どちらに 点q があるか?
/// </summary>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <param name="q"></param>
/// <returns></returns>
public static double OnSeg(XYD p1, XYD p2, XYD q)
{
double vx1 = p2.X - p1.X;
double vy1 = p2.Y - p1.Y;
double vx2 = q.X - p1.X;
double vy2 = q.Y - p1.Y;
double ans = vx1 * vy2 - vy1 * vx2;
return(ans);
}
static void Main(string[] args)
{
Logger logger = new Logger(Logger.V);
var sw = new System.Diagnostics.Stopwatch();
sw.Start();
Logger.Write(Logger.V, "START");
XYD origin = new XYD(0, 0);
int x = 1;
int y = 1;
int d = 10;
List <List <XYD> > xyPoints = new List <List <XYD> >();
for (int yPitch = 0; yPitch < 1250; yPitch++)
{
List <XYD> xPoints = new List <XYD>();
for (int xPitch = 0; xPitch < 250; xPitch++)
{
XYD xyd = new XYD(x, y, d);
xPoints.Add(xyd);
x += 20;
}
x = 1;
xyPoints.Add(xPoints);
y += 4;
}
Logger.Write(Logger.D, "---------------------------------------------------------------------------");
Logger.Write(Logger.D, "真北を上に方向を決める");
// 公共座標で扱っているので縦軸X、横軸Yで考える（数学軸なら縦軸Y、横軸X）
double t = Math.Atan2(0 - origin.Y, 1 - origin.X);
// 指定したモードの範囲内にラジアンを収める
double direction = CoordinateMath.Clamp(2, t);
Logger.Write(Logger.D, "---------------------------------------------------------------------------");
Logger.Write(Logger.D, "点群パラメータに最も近い位置に原点を寄せたときの原点座標を求めます");
double minX = double.NaN;
double minY = double.NaN;
double localX = 0.0D;
double localY = 0.0D;
int xyCount = xyPoints.Count;
for (int i = 0; i < xyCount; i++)
{
List <XYD> xPoints = xyPoints[i];
int xCount = xPoints.Count;
for (int j = 0; j < xCount; j++)
{
CoordinateMath.ToLocal(xPoints[j].X, xPoints[j].Y, origin.X, origin.Y, -direction, ref localX, ref localY);
if ((localX % meshPitch) != 0)
{
localX -= (localX % meshPitch);
localX -= meshPitch;
}
if ((localY % meshPitch) != 0)
{
localY -= (localY % meshPitch);
localY -= meshPitch;
}
if (localX < minX || double.IsNaN(minX))
{
minX = localX;
}
if (localY < minY || double.IsNaN(minY))
{
minY = localY;
}
}
}
double originX = 0.0;
double originY = 0.0;
CoordinateMath.ToPublic(minX, minY, origin.X, origin.Y, -direction, ref originX, ref originY);
XYD shiftOrigin = new XYD(originX, originY);
Logger.Write(Logger.D, $"原点座標 X:0 → {shiftOrigin.X}, Y:0 → {shiftOrigin.Y}");
Logger.Write(Logger.D, "---------------------------------------------------------------------------");
Logger.Write(Logger.D, $"点群パラメータが {meshLength}×{meshLength} のメッシュに収まるかチェックします");
Logger.Write(Logger.D, $"メートル換算で {meshLength * meshPitch}m × {meshLength * meshPitch}m");
double maxX = double.NaN;
double maxY = double.NaN;
for (int i = 0; i < xyPoints.Count; i++)
{
List <XYD> xPoints = xyPoints[i];
double seekMaxX = xPoints.Max(a => a.X);
double seekMaxY = xPoints.Max(a => a.Y);
if (seekMaxX > maxX || double.IsNaN(maxX))
{
maxX = seekMaxX;
}
if (seekMaxY > maxY || double.IsNaN(maxY))
{
maxY = seekMaxY;
}
}
Logger.Write(Logger.D, $"点群パラメータのうち最も遠い点 X:{maxX} Y:{maxY}");
// MeshLength * MeshLength に収まっているか
// 最も遠い公共座標(単位:m)をマス目換算して 50 / 0.5 = 100
// シフト原点もマス目換算したもので引き算。
// 使用するマス目がメッシュサイズの上限を超えていないかチェック
if (meshLength >= maxX / meshPitch - shiftOrigin.X / meshPitch & meshLength >= maxY / meshPitch - shiftOrigin.Y / meshPitch)
{
Logger.Write(Logger.D, "indide");
}
else
{
Logger.Write(Logger.D, $"outside x:{maxX} y:{maxY}");
}
DepthArray depthArray = new DepthArray(meshLength, xyPoints, shiftOrigin, meshPitch);
depthArray.Create();
sw.Stop();
Logger.Write(Logger.V, "END");
Logger.Write(Logger.V, "■処理にかかった時間");
TimeSpan ts = sw.Elapsed;
Logger.Write(Logger.V, $" {ts}");
Logger.Write(Logger.V, $" {ts.Hours}時間 {ts.Minutes}分 {ts.Seconds}秒 {ts.Milliseconds}ミリ秒");
Logger.Write(Logger.V, $" {sw.ElapsedMilliseconds}ミリ秒");
//int length = depthArray.Depths.Length;
//double seekStartX = 0.25 + shiftOrigin.X;
//double seekStartY = 0.25 + shiftOrigin.Y;
//for (int i = 0; i < length; i++) {
// int y = Math.DivRem(i, meshLength, out int x);
// Logger.Write(Logger.V, $"X:{ seekStartX + x * meshPitch } Y:{seekStartY + y * meshPitch} Depth:{depthArray.Depths[i] / 10.0}");
//}
Console.ReadLine();
}