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PDF Crop

Documents
pdf_crop

PDF Crop is an Agent Skill for documents published in the cas-bigdatalab/piflow repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

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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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/cas-bigdatalab/piflow/blob/HEAD/workspace/skills/pdf_crop/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/pdf-crop, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

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