Point cloud growth

Beginners
1

I want to create an effect in TouchDesigner where a point cloud appears to scan and grow. I understand the basic logic involves selecting a cross-section of points and converting them into a model. How can this be achieved?

2

You’ll find all you need in this video from @b2bk
Touchdesigner Tutorial - Advanced Pointclouds Manipulation - YouTube

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3

Here’s a quick example file of how I would go about doing it, using a Lookup TOP to animate the alpha of the point cloud:

td_pointcloud_grow_example.toe (7.3 KB)

4

A ray-growth-like effect。