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Pdf Crop

ASecurity

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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  • Added September 11, 2026
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Scanned September 11, 2026

npx -y skills add cas-bigdatalab/piflow --skill pdf_crop --agent claude-code

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SKILL.md
---
name: pdf_crop
description: 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。
license: Proprietary. LICENSE.txt has complete terms

name_zh: 裁剪PDF页面边距算子
input_params:
  - name: input_path
    type: string
    required: true
    description: 输入PDF文件路径

  - name: output_path
    type: string
    required: true
    description: 输出PDF文件路径

  - name: bbox
    type: string
    required: true
    description: 裁剪边界"left,bottom,right,top"(PDF坐标单位)

  - name: pages
    type: string
    required: false
    description: 页码范围,如"1-3,5"(可选,默认全部页面)

output_params:
  - name: output_path
    type: pdf_file
    description: 裁剪后的PDF文件
tag: 数据转换
publisher: COMMUNITY
---

# 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

```bash
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_path | string | 是 | - | 输入PDF文件路径 |
| output_path | string | 是 | - | 输出PDF文件路径 |
| bbox | string | 是 | - | 裁剪边界"left,bottom,right,top"(PDF坐标单位) |
| pages | string | 否 | 全部 | 页码范围,如"1-3,5" |

## 示例

### 示例1:裁剪全部页面

```bash
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

```bash
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

Files in this skill

  • SKILL.md2.2 KB
  • scripts/run_pdf_crop.py2.1 KB
  • skill.json1.4 KB

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