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椭球体上的四边形与面积

求经线或纬线围成的区域，求点周围的四边形

四边形是由两条经线和两条纬线围成的多边形。使用这些函数计算椭球体上多边形的表面积，并求解围绕点、线和多边形的四边形。

函数

椭球体上的区域

`areaint`	Surface area of polygon on sphere or ellipsoid
`area`	Area of polygon shape in geographic or planar coordinates (自 R2024a 起)
`areaquad`	Surface area of latitude-longitude quadrangle
`areamat`	Surface area covered by nonzero values in binary data grid

四边形

形状对象

`aoiquad`	Define quadrangular or rectangular area of interest (自 R2024b 起)
`bounds`	Bounds of shape in geographic or planar coordinates (自 R2024b 起)
`buffer`	Buffer shape in geographic or planar coordinates (自 R2024b 起)

数值坐标

`geoquadline`	Geographic quadrangle bounding multi-part line
`geoquadpt`	Geographic quadrangle bounding scattered points
`ingeoquad`	True for points inside or on lat-lon quadrangle
`intersectgeoquad`	Intersection of two latitude-longitude quadrangles
`outlinegeoquad`	Polygon outlining geographic quadrangle
`bufgeoquad`	Expand limits of geographic quadrangle