这是一个简单的niivue的使用demo，从卒中辅助诊疗系统中抽出。
来自博客https://qianxu.run/niivue-show/
<iframe src="https://codesandbox.io/p/github/qxdn/niivue-demo-qxdn/draft/agitated-meadow?embed=1&file=%2Fsrc%2Fniivue.tsx" style="width:100%; height: 500px; border:0; border-radius: 4px; overflow:hidden;" title="qxdn/niivue-demo-qxdn/draft/agitated-meadow" allow="accelerometer; ambient-light-sensor; camera; encrypted-media; geolocation; gyroscope; hid; microphone; midi; payment; usb; vr; xr-spatial-tracking" sandbox="allow-forms allow-modals allow-popups allow-presentation allow-same-origin allow-scripts" ></iframe>