用python写一段三点坐标计算角度的代码

以下是用 Python 编写的计算三点坐标角度的代码：

import math

def calculate_angle(x1, y1, x2, y2, x3, y3):
    # 计算向量
    ux1 = x1 - x2
    uy1 = y1 - y2
    ux2 = x3 - x2
    uy2 = y3 - y2

    # 计算向量长度
    len1 = math.sqrt(ux1 ** 2 + uy1 ** 2)
    len2 = math.sqrt(ux2 ** 2 + uy2 ** 2)

    # 计算向量点积
    dot = ux1 * ux2 + uy1 * uy2

    # 计算余弦值
    cos_value = dot / (len1 * len2)

    # 计算角度并转换为度数
    angle = math.acos(cos_value) * 180 / math.pi

    return angle

# 示例
angle = calculate_angle(0, 0, 1, 0, 1, 1)
print(angle)

该代码接受三个点的坐标作为参数，返回第二个点所在的角度。例如，上面的示例计算了三个点 (0, 0), (1, 0), (1, 1) 所组成的角度，结果为 45 度。

相关问题

用python写一段三点坐标计算密位角的代码

以下是用 Python 编写的计算密位角的代码：

import math

def calculate_bearing(lat1, lon1, lat2, lon2):
    """
    Calculate the bearing between two points on Earth.
    """
    # Convert latitude and longitude to radians
    lat1 = math.radians(lat1)
    lon1 = math.radians(lon1)
    lat2 = math.radians(lat2)
    lon2 = math.radians(lon2)

    # Calculate the difference between the longitudes
    delta_lon = lon2 - lon1

    # Calculate the bearing
    y = math.sin(delta_lon) * math.cos(lat2)
    x = math.cos(lat1) * math.sin(lat2) - math.sin(lat1) * math.cos(lat2) * math.cos(delta_lon)
    bearing = math.atan2(y, x)

    # Convert bearing to degrees
    bearing = math.degrees(bearing)

    # Normalize bearing to range 0-360
    bearing = (bearing + 360) % 360

    return bearing

这个函数接受四个参数：起点纬度、起点经度、终点纬度和终点经度。它返回两个点之间的方位角，以度为单位。

写段python代码，根据三点坐标计算角度

Sure, here's the Python code to calculate the angle between three points:

import math

def calculate_angle(x1, y1, x2, y2, x3, y3):
    
    # calculate distances between the points
    a = math.sqrt((x2-x1)**2 + (y2-y1)**2)
    b = math.sqrt((x3-x2)**2 + (y3-y2)**2)
    c = math.sqrt((x3-x1)**2 + (y3-y1)**2)

    # calculate angle using law of cosines
    angle_in_radians = math.acos((a**2 + b**2 - c**2) / (2 * a * b))

    # convert angle from radians to degrees
    angle_in_degrees = math.degrees(angle_in_radians)

    return angle_in_degrees

# example usage
x1, y1 = 0, 0
x2, y2 = 1, 1
x3, y3 = 2, 0
angle = calculate_angle(x1, y1, x2, y2, x3, y3)
print(f"The angle between ({x1}, {y1}), ({x2}, {y2}), and ({x3}, {y3}) is {angle} degrees.")

Hope this helps! Let me know if you have any more questions.