# render-real-time-rendering-split-screen-preview-function-guide

> Explore Coohom's real-time split screen preview for seamless design adjustments and effect previews. Boost your design workflow today with intuitive rendering tools.

- **URL**: https://www.coohom.com/helpcenter/render-real-time-rendering-split-screen-preview-function-guide
- **Locale**: en_US
- **Updated**: 2026-06-11

## Content

When moving the canvas or adjusting material and lighting parameters, real-time preview allows you to observe the design effects in real-time. The split screen preview function enables bi-directional collaboration ------ you can focus on adjusting rendering parameters, moving the canvas, or optimizing materials and lighting on one computer screen, while another screen displays the rendering effect in real-time, allowing design adjustments and effect preview without interference, greatly enhancing operational efficiency\~

⭐ Before reading the article, it is recommended to first view the tutorial documentation related to real-time rendering: [Click to view](https://www.coohom.com/en_US/helpcenter/real-time-rendering-is-launched-in-coohom?kjl_source=hc)

![](//qhstatic-sg-s3.coohom.com/image/gif/1754373961990/175FD20C7E46514376DFC22D0C36AD7F.gif)

 \[Video URL\](https://www.youtube.com/watch?v=AIluGhhlU04)
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For Users
=========

All users

Real-time Rendering Entrance
============================

**Entrance One:** After entering 3D design, choose **"Render - Real-time Rendering".**

![](//qhstatic-sg-s3.coohom.com/image/png/1754374049612/A8CEBABD0663ECBAEEE7516DF7A7D2B5.png)

**Entrance Two:** After entering the **Render** tool, click on the left to **Add Real-time Rendering.**

![](//qhstatic-sg-s3.coohom.com/image/png/1754376074257/A8CEBABD0663ECBAEEE7516DF7A7D2B5.png)

Split Screen Preview
====================

1. After entering the real-time rendering tool, click on **"Split Screen Preview"** in the upper toolbar or **"Switch to Split Screen Preview"** in the preview box in the upper right corner to switch to another screen for real-time preview.

|-----------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|
| **Entrance One**                                                                              | **Entrance Two**                                                                              |
| ![](//qhstatic-sg-s3.coohom.com/image/png/1754375609917/A8CEBABD0663ECBAEEE7516DF7A7D2B5.png) | ![](//qhstatic-sg-s3.coohom.com/image/png/1754375560231/A8CEBABD0663ECBAEEE7516DF7A7D2B5.png) |
| ![](//qhstatic-sg-s3.coohom.com/image/gif/1754375671628/08C5FB73D249394BFE7A97C2C9640DC2.gif) | ![](//qhstatic-sg-s3.coohom.com/image/gif/1754375749764/2671598D3CF7634F602ED6C232506D56.gif) |

2. Click **"Merge Preview Page"** to switch back to the original page.

![](//qhstatic-sg-s3.coohom.com/image/png/1754375790063/A8CEBABD0663ECBAEEE7516DF7A7D2B5.png)

![](//qhstatic-sg-s3.coohom.com/image/gif/1754375711514/FB9D86C358A0C039A3E99CFA43A2E645.gif)

3. Split screen preview provides a **Lock** function.

When a split screen window needs to be fixed at a specific view, click **"Lock Current Perspective"** under the current view to fix the split screen window view. When the split screen window needs to follow the canvas changes, click **"Unlock Current Perspective".**

![](//qhstatic-sg-s3.coohom.com/image/png/1754375867014/A8CEBABD0663ECBAEEE7516DF7A7D2B5.png)

![](//qhstatic-sg-s3.coohom.com/image/gif/1754375448912/94782415600C0676BAC17D950DF209BC.gif)

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