[ \text{Area} = \frac{1}{2} \left| \sum_{i=0}^{n-1} (x_iy_{i+1} - x_{i+1}y_i) \right| ] 下面是实现这个公式的代码: defcalculate_polygon_area(vertices):""" 计算多边形面积的函数。 输入: vertices - 多边形的顶点坐标列表 输出: 该多边形的面积 """n=len(vertices)# 获取顶...
defcalculate_polygon_area(vertices):n=len(vertices)area=0.0foriinrange(n):x1,y1=vertices[i]x2,y2=vertices[(i+1)%n]# Connect to the first vertexarea+=x1*y2-x2*y1returnabs(area)/2.0# 示例使用:vertices=[(0,0),(4,0),(4,3),(0,4)]area=calculate_polygon_area(vertices)print("...
参考维基百科 实现代码： def polygon_area(polygon): """ compute polygon area polygon: ...
python计算多边形面积 实现代码: 代码语言:javascript 代码运行次数:0 defpolygon_area(polygon):""" compute polygon areapolygon:listwithshape[n,2],n is the numberofpolygon points""" area=0q=polygon[-1]forpinpolygon:area+=p[0]*q[1]-p[1]*q[0]q=preturnarea/2.0polygon=np.array([[0,0],...
def calculate_regular_polygon_area(side_length, number_of_sides): return (side_length**2 * number_of_sides) / (4 * math.tan(math.pi / number_of_sides)) “` 以上这些函数都是根据各种形状的公式来计算面积的,可以根据具体的需求调用相应的函数来求解。同时,这些函数中使用了一些数学运算和数学常量...
如果要计算面积,则必须使用标准方法实现: def calculate_area(qpolygon): area = 0 for i in range(qpolygon.size()): p1 = qpolygon[i] p2 = qpolygon[(i + 1) % qpolygon.size()] d = p1.x() * p2.y() - p2.x() * p1.y() area += d return abs(area) / 2 然后你评估你...
target_crs (CRS): Target projection CRS for area calculation. unit_factor (float): Conversion factor for the desired area unit. Returns: numpy array: Area calculation results for the block. """ rows, cols = data.shape polygons = [] for row in range(rows): for col in range(cols...
(origin_x)+" "+str(corner_coordy)y_coord2=new_origin_x+" "+corner_coordy2# Calculate Length, hexagonal area and number of columnshexg_len=float(self.height)/math.sqrt(3)# 等边六边形面积计算公式:根号3 * 3 / 2 * 边长 * 边长hexg_area=math.sqrt(3)*3/2*pow(hexg_len,2)arcpy....
calculate the value#arcpy.AddField_management(input,fieldname,"double")arcpy.CalculateField_management(input,fieldname,"[Shape_area] / [Shape_length]")else:raiseFieldErrorexceptShapeError:print("Input does not contain polygons")exceptFieldError:print("Input does not contain shape area and length ...
本文主要介绍GeoPandas的使用要点。GeoPandas是一个Python开源项目,旨在提供丰富而简单的地理空间数据处理接口。GeoPandas扩展了Pandas的数据类型,并使用matplotlib进行绘图。GeoPandas官方仓库地址为:GeoPandas。GeoPandas的官方文档地址为:GeoPandas-doc。本文主要参考GeoPandas Examples Gallery。GeoPandas的基础使用见Python绘制...