https://community.graphisoft.com/t5/Documentation/Trace-reference-bogging-down/m-p/160516#M24325 If you're referencing a view with different layers or view settings to your current view, or an auto-rebuild elevation or section, the reference will be slower to generate. Is this what you're experiencing? Tue, 22 Dec 2009 03:35:50 GMT Anonymous 2009-12-22T03:35:50Z https://community.graphisoft.com/t5/Documentation/Trace-reference-bogging-down/m-p/160515#M24324 <DIV class="actalk-migrated-content">Usually the switching on of a trace reference or changing references is almost instant. But once in a while something happens to make the turning on or changing of the trace reference take about 30 seconds. And once it's on, zooming or panning also takes another 30 seconds. What causes this?</DIV> Wed, 16 Jul 2025 10:32:13 GMT https://community.graphisoft.com/t5/Documentation/Trace-reference-bogging-down/m-p/160515#M24324 GFBArchitect 2025-07-16T10:32:13Z https://community.graphisoft.com/t5/Documentation/Trace-reference-bogging-down/m-p/160516#M24325 If you're referencing a view with different layers or view settings to your current view, or an auto-rebuild elevation or section, the reference will be slower to generate. Is this what you're experiencing? Tue, 22 Dec 2009 03:35:50 GMT https://community.graphisoft.com/t5/Documentation/Trace-reference-bogging-down/m-p/160516#M24325 Anonymous 2009-12-22T03:35:50Z