---
url: /dash-bio/needleplot
name: NeedlePlot
description:
    "Dash Bio is a component library
    dedicated to visualizing bioinformatics data."
languages:
  - python
  - julia
  - r
  - matlab
thumbnail: 'needleplot.png'
---
# ![](/assets/images/language_icons/r-lang_50px.svg) dash_bio.NeedlePlot Examples and Reference
see [NeedlePlot in action](https://dash-gallery.plotly.host/dash-needle-plot).

## NeedlePlot

An example of a default NeedlePlot component without any extra properties.

{{example defaultNeedlePlot}}

## Customization

### Needle Style
Change the appearance of the needles.

{{example needleStyle}}

### Domain Style
Change the appearance of the domains.

{{example needleDomain}}

{{reference dash_bio.NeedlePlot}}

## Example Data

- https://github.com/plotly/datasets/blob/master/Dash_Bio/Genetic/needle_PIK3CA.json
