模型背景透明

https://forge.autodesk.com/bl...
css

  .adsk-viewing-viewer{background:none!important}  
    body{  
        background: url("http://www.zcool.com.cn/community/037523a5b31b710a80121b99437771e.jpg");  
    }
```~~~~

//背景透明

Autodesk.Viewing.Private.InitParametersSetting.alpha=true;

viewer.setEnvMapBackground(false);
viewer.impl.renderer().setClearAlpha(0);
viewer.impl.glrenderer().setClearColor( 0xffffff, 0 );