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examples/generate_sample_data.py
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102
examples/generate_sample_data.py
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#!/usr/bin/env python3
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"""
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生成示例数据的脚本
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- 创建一个简单的 GDS 文件
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- 使用 preprocess_gds.py 处理它,生成示例数据集
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"""
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import os
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import sys
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import gdstk
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import numpy as np
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# 添加项目根目录到 Python 路径
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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def create_simple_gds(output_file):
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"""创建一个简单的 GDS 文件,包含几个矩形"""
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# 创建一个新的库
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lib = gdstk.Library("simple_layout")
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# 创建一个新的单元
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top_cell = lib.new_cell("TOP")
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# 在不同层上添加几个矩形
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# 层 1: 金属层 1
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rect1 = gdstk.rectangle((0, 0), (10, 10), layer=1, datatype=0)
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top_cell.add(rect1)
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# 层 2: 过孔层
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via = gdstk.rectangle((4, 4), (6, 6), layer=2, datatype=0)
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top_cell.add(via)
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# 层 3: 金属层 2
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rect2 = gdstk.rectangle((2, 2), (8, 8), layer=3, datatype=0)
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top_cell.add(rect2)
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# 保存 GDS 文件
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lib.write_gds(output_file)
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print(f"已创建 GDS 文件: {output_file}")
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def preprocess_sample_data(gds_file, output_dir):
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"""使用 preprocess_gds.py 处理 GDS 文件,生成示例数据集"""
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import subprocess
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# 确保输出目录存在
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os.makedirs(output_dir, exist_ok=True)
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# 运行 preprocess_gds.py 脚本
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script_path = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "scripts", "preprocess_gds.py")
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# 创建层映射配置
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layer_mapping = {
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"1/0": 0, # 金属层 1
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"2/0": 1, # 过孔层
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"3/0": 2 # 金属层 2
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}
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# 构建命令
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cmd = [
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sys.executable, script_path,
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"--gds-file", gds_file,
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"--output-dir", output_dir,
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"--patch-size", "5.0",
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"--patch-stride", "2.5"
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]
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# 添加层映射参数
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for layer_str, idx in layer_mapping.items():
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cmd.extend(["--layer-mapping", f"{layer_str}:{idx}"])
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print(f"运行预处理命令: {' '.join(cmd)}")
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# 执行命令
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result = subprocess.run(cmd, capture_output=True, text=True)
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if result.returncode == 0:
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print("预处理成功完成!")
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print("输出:")
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print(result.stdout)
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else:
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print("预处理失败!")
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print("错误:")
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print(result.stderr)
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def main():
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"""主函数"""
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# 定义路径
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examples_dir = os.path.dirname(os.path.abspath(__file__))
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gds_file = os.path.join(examples_dir, "simple_layout.gds")
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output_dir = os.path.join(examples_dir, "processed_data")
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# 创建 GDS 文件
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create_simple_gds(gds_file)
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# 预处理数据
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preprocess_sample_data(gds_file, output_dir)
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print("\n示例数据生成完成!")
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print(f"GDS 文件: {gds_file}")
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print(f"处理后的数据: {output_dir}")
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if __name__ == "__main__":
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main()
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