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pdf_crop

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裁剪PDF页面边距。通过指定边界坐标(left,bottom,right,top)来裁剪页面区域。当用户需要裁剪PDF页面时使用此skill。

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Source SKILL.md: https://github.com/cas-bigdatalab/piflow/blob/HEAD/workspace/skills/pdf_crop/SKILL.md

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pdf_crop 技能

功能说明

该技能用于裁剪PDF页面边距，通过指定边界坐标（left, bottom, right, top）来精确裁剪页面区域，适用于去除PDF边距、提取特定区域等场景。

核心功能

  • 支持精确的页面边界裁剪
  • 可指定页码范围进行选择性裁剪
  • 自动创建输出目录

使用方法

python scripts/run_pdf_crop.py --input_path <输入PDF> --output_path <输出PDF> --bbox <裁剪边界> [--pages <页码范围>]

参数说明

参数类型必填默认值说明
input_pathstring是-输入PDF文件路径
output_pathstring是-输出PDF文件路径
bboxstring是-裁剪边界"left,bottom,right,top"（PDF坐标单位）
pagesstring否全部页码范围，如"1-3,5"

示例

示例1：裁剪全部页面

python scripts/run_pdf_crop.py --input_path input.pdf --output_path cropped.pdf --bbox "50,50,550,750"

示例2：裁剪指定页码

python scripts/run_pdf_crop.py --input_path input.pdf --output_path cropped.pdf --bbox "50,50,550,750" --pages "1-10"

注意事项

  • 裁剪边界使用PDF坐标系统（原点在左下角）
  • 单位为点（1英寸=72点）
  • 裁剪边界值应在页面尺寸范围内
  • 输出目录不存在时会自动创建