How to get element within a certain radius around a particular element.

[nobo]

Hi

I have a question about how to get element within a certain radius around a particular element.
Maybe I can solve this problem with a unique ID.
Is there a unique ID for each discrete element?
How do I ge it by cpp?

Thanks

[nobo]

hi  
i have know how to get the id,but i have a question that whether the id of deleted element will be given to other newly added elements?

[Damien André]

Hello, if you get an ID like...

// DE1 is a DEM::Element object
unsigned long long int DE1_ID = DE1.Core::Register<DEM::Element>::get_numeric_ID();

... no worry the ID are not able to change (this is incremental IDs)

[nobo]

Thanks for your help