Hi Robert,
The codes looks like this:
```
root = GroupOfSwitch();
viewer->setSceneData(root);
while (!viewer->done()) {
root->removeChild(0); // Remove the point cloud
pc = sensor.Capture(); // Get the point cloud
geo = CreateGeometryNode(pc);
root->addChild(geo); // Add the pointcloud
viewer->frame();
}
```
Thanks,
Hui
On Monday, May 25, 2020 at 6:33:59 PM UTC+8, OpenSceneGraph Users wrote:
>
> Hi??
>
> There is nothing we can advice as you say nothing how you are managing
> your scene graph. All we know is you are doing something with a point
> dataset and memory keeps growing.
>
> You need to provide some source of how to you are setting up your scene
> graphs and how you are updating it. Once we know what you are doing we'll
> be able recommend a better way to do it without memory growth.
>
> Robert.
>
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