# BitmapExtensions.IsNormalMap examples

Examples for [IsNormalMap](https://developer.rhino3d.com/api/rhinocommon/type/rhino.bitmapextensions/isnormalmap.md) in Rhino.BitmapExtensions.

## C#

```cs
using Rhino;

// As an extension method
bool result = bitmap.IsNormalMap(bLossyCompressionSource, out bool bPositiveZComponent);

// As a static method
result = BitmapExtensions.IsNormalMap(bitmap, bLossyCompressionSource, out bPositiveZComponent);
```

## Python

```python
import clr
clr.AddReference('RhinoCommon')
import Rhino
clr.ImportExtensions(Rhino)

# As an extension method
result, b_positive_z_component = bitmap.IsNormalMap(b_lossy_compression_source)

# As a static method
result, b_positive_z_component = Rhino.BitmapExtensions.IsNormalMap(bitmap, b_lossy_compression_source)
```