SplitItem.cs
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using OpenCvSharp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace AccImage
{
public class SplitItem
{
public bool isEnd = false;
public double avgRadius = 0;
public int centerX = 0;
public int centerY = 0;
public double currentMaxRadius = 0;
public List<Circle> circles = new List<Circle>();
/// <summary>
/// 一遍结束后调用
/// </summary>
public void calOneItem(double theFixRadius=-1)
{
//该半径是否有效
bool isValid = false;
if (avgRadius == 0)
{
isValid = true;
}
else
{
//与平均半径差值在10%以内，认为OK
double diff = avgRadius - currentMaxRadius;
if (diff/avgRadius <= 0.4)
{
isValid = true;
}
}
if (isValid)
{
Circle circle = new Circle();
if(theFixRadius != -1 && currentMaxRadius > theFixRadius)
{
currentMaxRadius = theFixRadius;
}
circle.radius = currentMaxRadius;
circle.x = centerX;
circle.y = centerY;
circles.Add(circle);
currentMaxRadius = 0;
centerX = 0;
centerY = 0;
////平均半径
//double total = 0;
//foreach (Circle c in circles)
//{
// total = total + c.radius;
//}
//avgRadius = total / circles.Count;
if(circle.radius > avgRadius)
{
avgRadius = circle.radius;
}
}
else
{
isEnd = true;
}
}
public List<List<Circle>> groupCircles(double w, double h, Point2d center)
{
foreach(Circle c in circles)
{
c.calDistanceToCenter(center);
}
List<List<Circle>> allGroupCircle = new List<List<Circle>>();
List<int> allreadyGroup = new List<int>();
while (true)
{
List<Circle> groupCircle = new List<Circle>();
Circle labelCircle = null;
for (int i=0;i<circles.Count; i++)
{
if (!allreadyGroup.Contains(i))
{
Circle c = circles[i];
if (labelCircle == null)
{
labelCircle = c;
allreadyGroup.Add(i);
groupCircle.Add(c);
}
else
{
//到圆心的距离差小于H
if (Math.Abs(c.distanceToCenter - labelCircle.distanceToCenter) < h)
{
//两圆心之间的距离+直径小于W认为是同一个元器件
if (c.distanceToCircle(labelCircle) < w)
{
groupCircle.Add(c);
allreadyGroup.Add(i);
}
}
}
}
}
allGroupCircle.Add(groupCircle);
if (allreadyGroup.Count == circles.Count)
{
break;
}
}
return allGroupCircle;
}
/// <summary>
/// 该点是否与其他圆内,或与圆的中心距离在半径内
/// </summary>
/// <param name="px"></param>
/// <param name="py"></param>
/// <returns></returns>
public double minDistanceToCircles(int px, int py, Point2d reelCenter, double oneBlobWidth =-1, double oneBlobRadius = -1)
{
Point2d point = new Point2d(px, py);
double minDistanceToCircle = -1;
foreach (Circle c in circles)
{
Point2d circleCenter = new Point2d(c.x, c.y);
double distanceToCircle = point.DistanceTo(circleCenter);
if (distanceToCircle <= c.radius)
{
return 0;
}
//当前点到料盘中心与圆心到料盘中心的距离在直径内，忽略
//if(oneBlobRadius != -1 && oneBlobWidth != -1)
//{
// double distanceToReelCenter = point.DistanceTo(reelCenter);
// double circleCenterToReelCenter = circleCenter.DistanceTo(reelCenter);
// if (Math.Abs(distanceToReelCenter - circleCenterToReelCenter) < oneBlobRadius)
// {
// if (distanceToCircle < oneBlobWidth)
// {
// return 0;
// }
// }
//}
if (minDistanceToCircle == -1 || distanceToCircle < minDistanceToCircle)
{
minDistanceToCircle = distanceToCircle - c.radius;
}
}
return minDistanceToCircle;
}
};
public class Circle
{
public int x;
public int y;
public double radius;
public double distanceToCenter = 0;
public double distanceToCircle(Circle c)
{
double distance = new Point2d(x, y).DistanceTo(new Point2d(c.x, c.y));
return distance + radius + c.radius;
}
public void calDistanceToCenter(Point2d center)
{
if(center.X > 0 && distanceToCenter <= 0)
{
distanceToCenter = center.DistanceTo(new Point2d(x, y));
}
}
}
}