# 3.2.1 1D可视化

一种常用的一维可视化形式是甘特图，在项目管理中较为常见，下面的这个可视化例子是展示了不同任务在时间轴上的起始分布和工作量。

```python
job = pd.read_csv('data/job.csv')
job.start = job.start.astype('datetime64')
job.finish = job.finish.astype('datetime64')
```

```python
px.timeline(job,x_start='start',x_end='finish',y='task
```

![](/files/-MiFSsG3IgRhM_xwkRty)


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