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layout: default
title: "Visualization of normals"
permalink: /pathtracer/visualization_of_normals
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# Visualization of normals

For debugging purposes:

You can set the `bool normal_colors` to true in `student/debug.h` to check if the normals that you have computed at the hit point are correct or not for debugging purposes.

Here are some reference results:

![normalviz](new_results/norm1.png)

![normalviz](new_results/norm2.png)

![normalviz](new_results/norm3.png)