# Surface-Normal Visualization

> Cyan, pink, violet-blue and green continuously encode surface direction, revealing volume through orientation-based color fields.

[Web page](https://aistylebook.com/image/surface-normal-visualization/)

## About this style

Color directly encodes surface orientation, changing smoothly across curves and abruptly at corners. The visual language of normals explains volume while color ceases to describe original materials.

A surface normal is a direction perpendicular to a surface; color encoding makes related orientations look similar.

A gray sphere shown in shifting pink, blue and green describes direction rather than painted material.

### How the style changes different subjects

- **Portrait**: Directional colors, false color or bright edge grain replace natural tones, leaving shapes and regions to identify the face.

- **Landscape**: Rule-based color fields give scenery a technical-visualization appearance rather than natural lighting.

- **Object**: Structural color regions and bright edges replace much of the original material and hue.

**Subjects**: Choose geometric buildings, sculptures, equipment or clear figures whose curves, corners and tonal boundaries separate the color regions.

## Visual keywords

Orientation encoding · Continuous color field · Unlit color · Surface turns · Normal visualization

## Names and related terms

Normal-color visualization

## Style examples

- [Portrait](https://img.aistylebook.com/reference-assets/20378-img_large.avif?v=548f5e72ae18fc0c)

- [Landscape](https://img.aistylebook.com/reference-assets/20379-img_large.avif?v=876b1c058db824a9)

- [Object](https://img.aistylebook.com/object-assets/80378-large.avif?v=c3a8eeed705bdc60)

## Reusable style prompt

```text
Reconstruct the image through surface-normal direction encoding. Use lavender-blue for forward-facing surfaces, cyan for left-facing surfaces, pink-red for right-facing surfaces and green for upward-facing surfaces. Let color change smoothly across curves and abruptly only at genuine corners. Color serves local orientation entirely; use unlit continuous fields to reveal the form's turns, retaining coherent volumes and contours through directional gradients.
```

## Photo creation and prompts

Photo generation requires an account and credits; the cost is shown before generation.

[Create with this style](https://aistylebook.com/photo.html?style=20378&lang=en#studio)

## Related styles

- [Wireframe Render](https://aistylebook.com/image/wireframe-render/): Also visualizes 3D surface information, using mesh edges in wireframes.

- [Point-Cloud Scan](https://aistylebook.com/image/point-cloud-scan/): Both replace realistic surfaces with representations, retaining discrete spatial samples in point clouds.

- [Octane Render](https://aistylebook.com/image/octane-render/): Both require coherent geometry, using illumination rather than orientation color in rendering.

## References

- [Blender Manual: Normal direction](https://docs.blender.org/manual/en/4.4/render/shader_nodes/vector/normal.html)