# What's Portalgraph?

日本語は[こちら](https://app.gitbook.com/s/aJCTlOkQcgkhVMLcuHBm/)

Portalgraph is a software development environment for Unity that allows you to enjoy VR spaces with a projector. It creates an experience where it feels like there is an actual space inside the projector screen, and you can peek into that space in 3D from any angle you like.

<figure><img src="https://content.gitbook.com/content/R4jDeJrvuIogaygztZi7/blobs/Dqb3u2jzxrPvpjX3QF9U/IMG_6760_.jpg" alt=""><figcaption><p>Portalgraph application</p></figcaption></figure>

In addition to typical screens, Portalgraph also allows for the projection of VR spaces onto desks, as well as onto boxes made of multiple displays and ceilings, among other surfaces.

<figure><img src="https://content.gitbook.com/content/R4jDeJrvuIogaygztZi7/blobs/c9oNJPS4qTZNDtU9G7hm/IMG_6730_.jpg" alt=""><figcaption><p>Desktop Portalgraph</p></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/R4jDeJrvuIogaygztZi7/blobs/udB21IlqcDt8lq9KtjJH/IMG_6869_.jpg" alt=""><figcaption><p>Portalgraph with a Box Made from Two Combined LCD Displays</p></figcaption></figure>

Developers can easily build such demos using Unity.

Portalgraph detects the user’s viewpoint and generates a 3D display that aligns with their perspective. Viewpoint detection is achieved either through facial recognition using a webcam or by attaching a VIVE tracker to the user's head. The 3D display supports a variety of devices, including 3D projectors, 3D TVs, and anaglyph glasses.