+++
title = "Include specular"
weight = 40
+++

## Option: include specular reflection

To include the specular reflected beam intensity
along with the scattered intensity in a GISAS simulation, use
```
simulation.options().setIncludeSpecular(True)
```

Example:

{{< figscg src="/img/auto/scatter2d/BoxesWithSpecularPeak.png" width="500px" class="center" >}}

{{< show-ex file="scatter2d/BoxesWithSpecularPeak.py" >}}
