54 lines
1.3 KiB
Python
54 lines
1.3 KiB
Python
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#!/usr/bin/env python3
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"""
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测试图表中文显示
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"""
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import matplotlib.pyplot as plt
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import numpy as np
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# 测试中文字体显示
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def test_chinese_font():
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print("测试中文字体显示...")
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# 设置中文字体
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plt.rcParams['font.sans-serif'] = ['SimHei'] # 指定默认字体
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plt.rcParams['axes.unicode_minus'] = False # 解决负号显示问题
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# 生成测试数据
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x = np.linspace(0, 10, 100)
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y1 = np.sin(x)
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y2 = np.cos(x)
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# 创建图表
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fig, (ax1, ax2) = plt.subplots(1, 2, figsize=(10, 5))
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# 第一个图表
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ax1.plot(x, y1, label='正弦函数')
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ax1.plot(x, y2, label='余弦函数')
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ax1.set_title('三角函数图像')
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ax1.set_xlabel('时间 (秒)')
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ax1.set_ylabel('幅值')
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ax1.legend()
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ax1.grid(True)
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# 第二个图表
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categories = ['探测器1', '探测器2', '探测器3']
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values = [30, 45, 25]
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ax2.bar(categories, values)
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ax2.set_title('各探测器信号数量')
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ax2.set_ylabel('数量')
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plt.tight_layout()
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# 保存图表
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plt.savefig('test_chinese_font.png', dpi=150)
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print("图表已保存为 test_chinese_font.png")
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# 显示图表
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plt.show()
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print("测试完成!")
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if __name__ == "__main__":
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test_chinese_font()
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