Matlab：如何在边界框中找到一个点

问题描述

我有一个散布在整个矩阵中的点或位置的阵列，矩阵内有一个小的边界框。我需要一种方法来检查数组中的点是否在边界框内。感谢您的建议。

  BoundingBox = [BB1，BB2，BB3，BB4]; 
 Array = [x1，y1; x2，y2; x3，y3; x4，y4; x5，y5; x6，y6]; 
  

我曾尝试

  ismember（[BB1，BB2，BB3，BB4]，阵列）; 
  

和

  ismember（矩形（ '位置'，[BB1，BB2，BB3，BB4]），阵列）; 
  

但是没有任何功能可用

解决方案

您应该阅读检查点是否在多边形内。

I have an array of points or locations that are scattered throughout a big matrix, and I have a small bounding box inside the matrix. I need a way to check if the points in the array are within the bounding box. Thanks for your suggestions.

BoundingBox = [BB1,BB2,BB3,BB4];
Array = [x1,y1;x2,y2;x3,y3;x4,y4;x5,y5;x6,y6];

I have tried

ismember([BB1,BB2,BB3,BB4],Array);

and

ismember(rectangle('Position',[BB1,BB2,BB3,BB4]),Array);

but nothing is working

解决方案

You should read ismember()'s documentation more carefully:

So, this check is related to set operations.

Instead, you should use inpolygon() to check whether points are inside a polygon.

这篇关于Matlab：如何在边界框中找到一个点的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！