{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Editing a scene" ] }, { "cell_type": "markdown", "metadata": { "tags": [] }, "source": [ "## Overview\n", "\n", "In this tutorial, you will learn how to modify a Mitsuba scene after it has been loaded from a file. You might want to edit a scene before (re-)rendering it for many reasons. Maybe a corner is dim, or an object should be moved a bit to the left. Thankfully we can use the *traverse* mechanism to perform such modifications in Python with Mitsuba 3. As we will see in later tutorials, this mechanism is also essential for inverse rendering applications and more.\n", "\n", "