python绘制3d建筑

import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d.art3d import Poly3DCollection

# 随机生成建筑块数据
def generate_building_blocks(num_blocks, grid_size=100, height_range=(5, 50), base_size_range=(10, 30)):
    buildings = []
    for _ in range(num_blocks):
        # 随机选择建筑的底面起点
        x = np.random.uniform(0, grid_size)
        y = np.random.uniform(0, grid_size)
        
        # 随机生成建筑的高度和底面大小
        dx = np.random.uniform(*base_size_range)
        dy = np.random.uniform(*base_size_range)
        dz = np.random.uniform(*height_range)
        
        buildings.append([x, y, dx, dy, dz])
    return buildings

# 绘制建筑块
def plot_buildings(buildings, color='skyblue'):
    fig = plt.figure(figsize=(8, 8))
    ax = fig.add_subplot(111, projection='3d')
    
    for building in buildings:
        x, y, dx, dy, dz = building
        # 每个建筑的顶点坐标
        # vertices = [
        #     [(x, y, 0), (x + dx, y, 0), (x + dx, y + dy, 0), (x, y + dy, 0)],  # 底面
        #     [(x, y, dz), (x + dx, y, dz), (x + dx, y + dy, dz), (x, y + dy, dz)],  # 顶面
        # ]
        vertices = [
            [(x, y, 0), (x + dx, y, 0), (x + dx, y + dy, 0), (x, y + dy, 0)],  # 底面
            [(x, y, dz), (x + dx, y, dz), (x + dx, y + dy, dz), (x, y + dy, dz)],  # 顶面
            [(x, y, 0), (x + dx, y, 0), (x + dx, y, dz), (x, y, dz)],  # 侧面1
            [(x + dx, y, 0), (x + dx, y + dy, 0), (x + dx, y + dy, dz), (x + dx, y, dz)],  # 侧面2
            [(x, y + dy, 0), (x + dx, y + dy, 0), (x + dx, y + dy, dz), (x, y + dy, dz)],  # 侧面3
            [(x, y, 0), (x, y + dy, 0), (x, y + dy, dz), (x, y, dz)]  # 侧面4
        ]
        
        # 构建面
        for v in vertices:
            ax.add_collection3d(Poly3DCollection([v], color=color, alpha=0.7))

        # 绘制立方体的竖直边
        for i in range(4):
            ax.plot([vertices[0][i][0], vertices[1][i][0]], 
                    [vertices[0][i][1], vertices[1][i][1]], 
                    [vertices[0][i][2], vertices[1][i][2]], color=color)

    ax.set_xlabel('X')
    ax.set_ylabel('Y')
    ax.set_zlabel('Z')
    ax.set_box_aspect([1, 1, 0.5])  # 控制显示比例
    plt.show()

# 生成随机建筑数据
buildings = generate_building_blocks(num_blocks=50, grid_size=200)

# 绘制随机建筑
plot_buildings(buildings)

import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d.art3d import Poly3DCollection

# 随机生成建筑块数据
def generate_building_blocks(num_blocks, grid_size=100, height_range=(5, 50), base_size_range=(10, 30)):
    buildings = []
    for _ in range(num_blocks):
        # 随机选择建筑的底面起点
        x = np.random.uniform(0, grid_size)
        y = np.random.uniform(0, grid_size)
        
        # 随机生成建筑的高度和底面大小
        dx = np.random.uniform(*base_size_range)
        dy = np.random.uniform(*base_size_range)
        dz = np.random.uniform(*height_range)
        
        buildings.append([x, y, dx, dy, dz])
    return buildings

# 绘制建筑块
# def plot_buildings(buildings, color='skyblue'):
def plot_buildings(buildings, color='skyblue', edge_color='gray', alpha=0.8):
    fig = plt.figure(figsize=(8, 8))
    ax = fig.add_subplot(111, projection='3d')
    ax.view_init(elev=50, azim=60)  # 设置视角，elev 为俯仰角，azim 为方位角
    for building in buildings:
        x, y, dx, dy, dz = building
        # 每个建筑的顶点坐标
        # vertices = [
        #     [(x, y, 0), (x + dx, y, 0), (x + dx, y + dy, 0), (x, y + dy, 0)],  # 底面
        #     [(x, y, dz), (x + dx, y, dz), (x + dx, y + dy, dz), (x, y + dy, dz)],  # 顶面
        # ]
        vertices = [
            [(x, y, 0), (x + dx, y, 0), (x + dx, y + dy, 0), (x, y + dy, 0)],  # 底面
            [(x, y, dz), (x + dx, y, dz), (x + dx, y + dy, dz), (x, y + dy, dz)],  # 顶面
            [(x, y, 0), (x + dx, y, 0), (x + dx, y, dz), (x, y, dz)],  # 侧面1
            [(x + dx, y, 0), (x + dx, y + dy, 0), (x + dx, y + dy, dz), (x + dx, y, dz)],  # 侧面2
            [(x, y + dy, 0), (x + dx, y + dy, 0), (x + dx, y + dy, dz), (x, y + dy, dz)],  # 侧面3
            [(x, y, 0), (x, y + dy, 0), (x, y + dy, dz), (x, y, dz)]  # 侧面4
        ]
        
        # 构建面
        # for v in vertices:
        #     ax.add_collection3d(Poly3DCollection([v], color=color, alpha=0.7))
        # 构建面，带有透明度和边框
        for v in vertices:
            poly = Poly3DCollection([v], facecolors=color, edgecolors=edge_color, linewidths=0.2, alpha=alpha)
            ax.add_collection3d(poly)


        # 绘制立方体的竖直边
        for i in range(4):
            ax.plot([vertices[0][i][0], vertices[1][i][0]], 
                    [vertices[0][i][1], vertices[1][i][1]], 
                    [vertices[0][i][2], vertices[1][i][2]], color=color)

    ax.set_xlabel('X')
    ax.set_ylabel('Y')
    ax.set_zlabel('Z')
    ax.set_box_aspect([1, 1, 0.5])  # 控制显示比例
    
        # 设置视角和比例
    # ax.set_box_aspect([1, 1, 0.3])
    # ax.set_axis_off()  # 隐藏轴以增加美观
    plt.show()

# 生成随机建筑数据
buildings = generate_building_blocks(num_blocks=50, grid_size=200)

# 绘制随机建筑
plot_buildings(buildings)