The Trapped Beam diagnostic is used to locate beam elements that are overlapping, as indicated by the position of their centroids.
The diagnostic looks for beam element centroids that are contained (or "trapped") inside other beam elements, and highlights them in red.
To access this diagnostic, click 
().
Dialog elements
- Display or text
- Specifies whether to show the diagnostics results as a graphical representation or a text report (not available for all diagnostics).