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In Revit 2009, the property panel of a wall looks something like shown below. The Instance parameter "Structural Usage" (in green) is available in wall schedules, and also it is very important in determining the visibility of the element in function of the instance View parameter "Discipline". This means that if you set your view discipline to "structural" only structural elements will be shown, and walls whose "Structural Usage" is NOT set to "Non-bearing". The type parameter "Wall Function", on the other hand (in orange), is NOT available in wall schedules (nor view filters), and therefore the meaning of its existence becomes much more obscure to me. Does anyone know why we cannot use this parameter, which becomes vital in defining Core&Shell Vs. Interiors, for example? I guess this is a question / wish list for the foundry... 
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If you need to re-load a large number of families, right clicking the family name in the project browser, and hitting "Reload" may become a long and tedious process. Instead, you can select all families files, in Windows Explorer, and Drag&Drop them into a Revit window. Revit (I tried with 2009) will ask you if you want to load the families, or open the files in separate windows. Chose Load, and Revit will reload every file you dragged&dropped, also asking, time by time, if you want to make the family editable, and if you want to override the parameters value.  I believe most Revit users must know that by clicking inside a schedule's cell, then "touching" another view, will basically select that scheduled element, in the model. For example, you click inside a door width field, in a door schedule, and that door will be selected in the model. You can also click on "Show", in the schedule's option bar. However, what if you would like to select several elements, that is, several rows in the schedule? The SHIFT or CTRL clicking does not work, like it would in Explorer, for example. However, quite incredibly, click / hold / & drag, does indeed select multiple rows:  Switching to a model view, then, will select the elements, and will allow you to edit their parameters, at once:  We are using a door schedule which filters doors by Level. We have several linked files, which have some doors as well. Once you click in the "Include elements in linked files", in the Fields Tab of the Schedule Properties, the Level parameter disappears from the list of available parameters in the Filter Tab.... This means that you cannot filter by Level if you are trying to schedule elements in linked files.
Most likely, there is a way to use some other parameter by which you can filter your doors, but this introduces a new item in the list of human-driven errors that your project will have. The reason why Revit behaves in this way (at least in Revit 2009), quite obviously, is that Levels in linked models may not match Levels in the host model, even if they are called in the same way. In other words, two models with the same identical set of levels, may still be nested in a way that make the levels not match. Still, one would have hoped that Revit would allow you to "calibrate", or "register", the levels of nested models, so that scheduling elements by Level would be possible. In a similar way in which you can map phases, actually. I will check on 2010 and 2011, but if someone has some good workaround, or suggestions on this topic, please, feel free to comment... We just wasted an hour or so trying to troubleshoot why some DWG details would not show once placed into a detail view. Revit would warn you, saying that none of the elements are visible in the current view, and to check the VV and settings for the view, and there would be no way to display the imported DWG. The link manager would still show the DWG listed as imported, but it would not be visible anywhere. Also, a clue that the import would not work: when you are in the import dialog box, only the "Link" check box is active, in the far left of the window, but not the "Current View Only" checkbox. This in Revit 2009. The problem is about how you get in the view where you need the DWG to be imported. If you are in a sheet and you activate the view, the DWG import will fail. If you OPEN the view (so that the view is the only thing you see in the window) then the import will succeed. My guess is that Revit tries to import the DWG into the sheet, even though you have activated the view. This is why it will prompt that no elements are in paper space and ask you if you want to import elements from model space. Further testing in Revit 2011 displayed a similar behavior, with the only difference that you can actually see the imported DWG, in your sheet view, somewhere out in "space". Here is the video tutorial at Screencast.com (Flash), and here is on YouTube: |