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Forums >> Revit Building >> Technical Support >> new opening in an existing floor
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Joined: Sat, Feb 11, 2006
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I am currently working on a very old (1600) builing. I have a problem with making a new opening in an existing floor. The opening has the same phase as the floor.
I solved this by dividing the floor in two parts and demolishing one. In the floorplan (existing) the division is visible. I have to mask it.... it is a mess. There must be a better way to do this.
I have the same problem demolishing a part of a roof or wall.
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Solved that. Made a floor based family.
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I'm having the same problem. I tried to make a floor-based model that is a void extrusion...except when I put it in the model, it doesn't cut the floor. It's just a magical floating thing in the floor. I've tried to select the family and the floor and use the "cut geometry" command, but "it" won't let me select these items. I'm also having the same problem with windows that are placed in the "new construction" phase into an "existing" wall. When I change my display to the "existing" phase filter, the windows go away, but the openings where the windows will go remain.
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1. Voids that are in families that are to cut their host need to be created using a host based familiy. Within that familiy you need to make sure that you cut the host with the void. Example: you want to cut a wall with a void that is parametric in terms of depth. Be sure to start the family with a template such as Generic model -wall based. Create yuor void, add the required parameters anduse the cut geometry tool to cut the wall host in the family with the void. [Note: openings and voids cannot co-exist within the same family] 2. AEckerson: Your phase is set to New Construction and your pahse filter is set to existing. You really want the phase to be set to New Construction and the Phase Filter set to 'Show previous + new'. Understanding how Revit displays the element of time is fundamental to mastering Revit. I suggest going through the tutorials and using a play file to experiment with phases and phase filters. Changing them in your real project without understanding the implications of what you are doing will lead to frustration.
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Tom www.reviteer.com http://twitter.com/Reviteer |
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Um...I fail to see how changing the phase to New Construction and the filter to Previous+New would display ONLY THE EXISTING building. Right now, it appears that any hole cut in the building (wall, floor, roof) inherits the phase of what it cut through. The actual "New Construction" window goes away, but the hole remains.
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If you want to display only the existing building then why in the world would you set the phase of the view to new construction? Simply set the view phase to existing and the phase filter to existing. This will give you only elements that have their properties set to created in phase existing and demolished in phase none.
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Yeah, that makes sense. Here are the results: Phase: Existing Phase Filter: Existing = The entire model disappears. Phase Filter: Show Complete = Same problem as before (Existing building shown, no "new construction windows" but the openings show up) I've tried every possible combination of Phase and Phase Filter and none of them will display the existing building free of openings made in existing surfaces by new construction elements. Thanks for your help.
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It works just fine for me. See the attached example file for proof.
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Yeah, it works in yours. I don't understand why this particular model is acting weird. I made sure that my settings were the same as those in your model, but it still is producing the "ghost" image of the opening. I noticed that your existing floor plan and existing 3D displayed differently. (See attached image.) I changed your 3D view "Existing" to the same settings as the Floor Plan "Existing" (Phase=Existing Filter=Show All) and it displayed correctly. Don't you think it's odd that when you are in the phase "new construction" and you choose to "show previous phase" and the only other phase is "existing" that the floor plan and 3d views don't display the same thing? It seems that if you changed the "Show Previous Phase" Filter so that "Existing" was displayed "by category" then the 3D model should look just like the floor plan. However, I think the fact that the "demolished" items are set to "not displayed" then it somehow blocks everything that is labeled "demolished" REGARDLESS of the fact that items may or may not be demolished yet. If you are in the phase new construction then the items from the existing phase marked for demo in new construction ARE demolished. However, if you are looking at the SHOW PREVIOUS PHASE (i.e. "existing" , then items demolished in new construction should show up, right?
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I don't know how that smiley thing got into my last message.
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All I know is that I have been using Revit for almost 5 years and have never had a problem with the phase displays. My 3D view if it had different settings is because I did this all in about 45 seconds of time. I have a real job I need to attend to and can't take more time than that right now.
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The Phases + Phase Filter Matrix
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23329_new_-existing.rvt
