Hi,

I am working with LiDAR data. Its a huge data containing the information of X, 
Y, Z co-ordinates. I have divided this data into spatial blocks and making a   
Geode for every block. I want to increase the density of point cloud as the 
user zoom in the data.
I want to know how can I identify that which Geode or block is inside or 
outside the viewport. 

Thank you!

Cheers,
Lalit

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