To find entities that are near the selected entities, within a specified distance, you can use the Nearby Function.
The following example shows how to find elements nearby a system, within a distance of R = 20 mm.
In the Options menu you can choose between show and isolate.
Sphere and Box are available as search methods.
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Click Entities to display and select from the entities list.
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Click Components and choose Systems from the list and select the desired System.
Enter 20 in the Radius input field.
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In order to isolate the found elements, as in the following image.
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