# OMD Node Overlay System Demo

## Node Overlay System

This example demonstrates the OMD Node Overlay system, which allows you to cover up nodes with customizable overlay elements. Use this for step-by-step reveals, progressive disclosure, highlighting, or hiding specific parts of mathematical expressions.

### Expression Input

Mathematical Expression:

### Basic Overlays

### Highlighting

### Progressive Reveal

### Custom Overlays

Overlay Color:

### Manual Positioning

X Position:
Y Position:
Width:
Height: