# The `GISANS_tests` Instrument

*McStas: Instrument to test features of newly developed sample model for GISANS from H. Frielinghaus.*

## Identification

- **Site:** Tests_samples
- **Author:** Peter Willendrup (DTU/ESS) and Henrich Frielinghaus (MLZ)
- **Origin:** MLZ
- **Date:** 2023-2024

## Description

```text
Instrument to test features of newly developed sample model for GISANS from H. Frielinghaus,
developed to model the GISANS features described in M. S. Hellsing et. al [1]

Test case 1, grazing incidence from front
```

## Input parameters

Parameters in **boldface** are required; the others are optional.

| Name | Unit | Description | Default |
|------|------|-------------|---------|
| mode |  |  | 1 |
| BEAMSTOP |  |  | 0 |

## Links

- [Source code](GISANS_tests.instr) for `GISANS_tests.instr`.

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