matlab已知一个经纬度数组,在该经纬度内选取一个小范围代码
时间: 2024-09-23 16:15:32 浏览: 74
在MATLAB中,如果你有一个包含经纬度信息的数组,比如`latlonArray`(纬度和经度分列的两列),并且你想从中选择一个特定的小范围,你可以使用`polyshape`函数来创建一个矩形或多边形区域,然后通过`ismember`或`intersect`来筛选出位于这个小范围内的点。
假设`latlonArray`的格式是这样的:
```matlab
latlonArray = [latitude, longitude];
```
例如,如果你想选择经度在[-74, -73],纬度在[40, 41]之间的所有点,可以这样做:
```matlab
% 定义小范围的经纬度边界
minLon = -74;
maxLon = -73;
minLat = 40;
maxLat = 41;
% 创建矩形区域
rectanglePoly = polyshape([minLon maxLon; minLon minLat; maxLon minLat; maxLon maxLat]);
% 筛选出位于矩形内的经纬度
selectedLatLon = latlonArray(ismember(latlonArray(:,2), rectanglePoly.Vertices(:,1)), :);
```
这将返回一个新的矩阵,其中只包含经度在指定范围内并且纬度也在指定范围内的点。
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