RTV Tools

Monday, July 30, 2012

Using the TAB key - inconsistency between Status Bar and Preselection

Using my laptop with Revit 2013 and an ATI Mobility Radeon HD 4570 graphics card, I came across an interesting bug.  Using the Tab key, nothing seemed to be working.  But this is what was actually happening - I would:
  1. Hover over something
  2. Press Tab key, pre-selection does not cycle (but Status bar is correct, showing next item under cursor)
  3. Press Tab key again, pre-selection shows item from step 2, but again, Status bar shows the correct (next) item.  Left-clicking will select the item shown in the Status bar, not the one that is pre-selected.
Obviously, the first port of call for these types of problems is Graphics Hardware.  And yes, I was using Hardware Acceleration, and yes, the Hardware had not been tested with Revit, as the Options dialog shows:
Simply turning off Hardware Acceleration fixed this issue, as it will for many graphic-related bugs and errors.

If you really, really want the nice Hardware-accelerated stuff in Revit 2013 and you are using suboptimal hardware, you will need to either:
  • look for better graphics drivers for your hardware (may not work anyway)
  • replace your graphics / video card with one that Revit Wants (very hard if you are using a laptop!)
Similarly:
RevitCity.com | Problem selecting glass using tab key

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