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Forums >> Community >> The Studio >> Help! 46 Meg Project is overwhelming the graphic card and processor.

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Sun, Apr 30, 2006 at 10:27:45 AM | Help! 46 Meg Project is overwhelming the graphic card and processor.

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Hogmodo


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I am using Revit 9.0. I have a Pentium IV/3.2 GHZ chip, 2Megs RAM, and a 200 Gig hard drive with 60% free in C, and 80%+ free in the other three partitions plus an Intel 82915G.GV.910 GL Express Graphics card built onto my Intel Motherboard. This 46 Meg Project, a 61,000 s.f. elementary school with a standing seam roof is bogging down bigtime and giving me the blue screen, data dump, re-boot, when I try to plot my elevation sheet with four "shading with edges and shadow on" elevations on it. I finally had to export them each as jpegs, import them into an Autocad sheet and plot them that way. (The Autocad advocates in the firm got a big kick out of that.) It also gives me the same blue screen re-boot, several times, when I am working on modeling the site. It IS a big site, but this IS NOT an unusually large or unusually complex project. Is anyone doing projects of this size in Revit 9.0 without these kind of problems? If so, what hardware do you have? Any suggestions? Anyone? Anyone? I re-installed my HP Plot Driver and it made no difference. Post edited on 2006-04-30 12:54:23

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Mon, May 1, 2006 at 2:24:44 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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Aubrey


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I hope someone suggests a solution to your problem. I design large homes and currently am desperately trying to finish a Revit plan of an 18,000sf Italian Renaissance villa. I'm terrified to add the dentils to the cornice for fear of the loss of performance. I have a system similar to your own and with the nominal amount of detailing I'm now showing on the elevations I have been reduced to a crawl. Back when I smoked I would have appreciated the free time waiting for the computer, but now its costing me money. Every minute of regen time costs me a buck and a quarter that I could but doing something else. For slow drafters I'm certain Revit fills the need, but for those of us who work fast and hate waiting on our iron idiot, it can be frustrating if you get beyond a very simple structure. I can produce a complete set of working drawings in AutoCAD for a 20,000 sf house in about eighty hours. In Revit I had sixty hours in the initial layout of the current project. (This is after using Revit for 2 years, so I'm not classed as a novice.) Next month its time for my yearly computer upgrade. This time I'm going to go to a dual processor and give Revit another shot. If that doesn't work I'll be forced to return to AutoCAD for everything. With the magnificent promises that Revit makes, and in great part keeps, I have to let the bottom line rule. Perhaps when the computers have caught up with the software the full potential will be realised.

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Mon, May 1, 2006 at 2:46:27 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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bucksy


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Don't understand the problem. I'm doing high-end work, very detailed. With everything modeled. Every trim, every detail. The only thing that is not perametric is the wiring on the electrical plans. If your machine slows down turn off the detail catagory in that view. I.E. casework or create a new catagory for (exterior) details. Another option is to create worksets - even for smaller projects. It gives you anotyher level of visibility. I have files that are 100+mb in size. I just turn things of that are not necessary to have in the current view.

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Mon, May 1, 2006 at 3:28:22 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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TomDorner


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It is not the size of the project that matters, it is how it is modeled that makes the difference. I have seen very small projects that are over-contrained with tons of in-place families or poorly contructed families make Revit look like a useless slow pig of a program. And then I have seen models we have of a 300,000 SF three story involved building that simply are not a problem. The biggest things to look at are groups. These can be a Revit problem, so make sure you do not see a lot of re-definition taking place. Another spot can be families. In-place families should simply be avoided. Other families should be created to not be "universal". I see people trying to make a door family that can be every type of door there is and the family size ballons to 2 meg when there should be more specific families to cover the doors that are each 50-100K. Site work should be done in a seperate file and the main Revit model linked into it. Any AutoCAD files should be "linked" in not "imported". And then only if they are needed. I rarely keep ACAD stuff hanging around. If I need a detail or something simply make a Revit one. Large project will require worksets. Modeling everything in 3D is not required and not a good idea. Do you have your standing seam roof modeled? I would never model the standing seams, simply use a surface pattern and a JPEG image if you need to render. What other things are in 3D that don't need to be? Are all of your toilets for example in 3D? I use 2D for toilets unless you plan to render the bathrooms. Better yet I use 2.5D which still wrok in both plan and elevation yet don't have hte 3D overhead. What about planting? If you are rendering using the Accustudio plants and not RPC's then you are going to have trouble. A 61,000 SF project is not very big for Revit to handle. I would take a look at how you are putting it together rather than to hardware problems. If you have not attended Autodesk University, it is where this type of information is presented. If you are a subscription customer, last years AU2005 sessions are out there for you to view that talk about some of this. HTH Tom

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Mon, May 1, 2006 at 4:42:03 PM | Hey Tom. You got a good jpeg image for a standing seam roof?

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Hogmodo


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It would seem to me that a vertical line pattern on a roof image could work just like the brick pattern renders on a vertical plane. So far, I have not found one. The sloped glazing "work around" gives a great rendering with the seam shadows, but it adds a huge amount to the overall job file. Is there really a jpeg image available that creates an adequate metal roof rendering?

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Mon, May 1, 2006 at 5:16:06 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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TomDorner


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You can find many standing seam roof textures out there. Manufacture sites, rendering sites etc. I always start at www.accustudio.com If you are intent on using sloped glazing for rendering purposes, then place it in its own workset and don't open until you need to, or link your CD model into a "rendering" model where you add the sloped glazing purely for the rendering effect. Tom

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Mon, May 1, 2006 at 6:09:34 PM | RE:

#7

gdoorn


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Quoting tomdinmn - 2006-05-01 10:28:22

"The biggest things to look at are groups. These can be a Revit problem, so make sure you do not see a lot of re-definition taking place. Another spot can be families. In-place families should simply be avoided. Other families should be created to not be "universal". I see people trying to make a door family that can be every type of door there is and the family size ballons to 2 meg when there should be more specific families to cover the doors that are each 50-100K."




i use groups to help me in my detailing and wall sections. for example, i have created a few different stud sizes, TJI sizes, as well as W-section members in detail lines, when i didnt want to model the whole thing (i have maybe 25 different "groups" of detail lines so i can drag and drop into new wall sections or details. if i continue this method on larger projects will this lead to problems? i think i am pretty good avoiding the family issues.

Thanks

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Mon, May 1, 2006 at 6:30:17 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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TomDorner


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gdoorn, Detail groups are pretty safe. But then the question I have for you is why are you using detail lines in groups for things like TJI sections, W shapes etc.? These kinds of things are better as "detail components". Revit 9 ships with about 500 of them, but even 8.1 had a few, and over on AUGI people posted a couple of hundred of them that you can download. http://forums.augi.com/showthread.php?t=31882&highlight=detail+components Tom Post edited on 2006-05-01 13:30:44

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Mon, May 1, 2006 at 9:30:53 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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gdoorn


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we are still running 8.1, and it was quicker for me to draw the 3 types of TJI's and the 3 W-Members than it was to go into Augi, find them, download them, etc. i have only been on Revit since New Years (my office as well), and i/we am still learning the best way to document things. i think i have a decent grasp on the basics, and have successfully modeled a couple projects, one of which is ready for the plan check submittal, so i guess that is when we will truly find out if it was a forward move into Revit. i enjoy using it a lot more than AutoCAD, but as with anything else, the more complicated the software, the more complicated the problems/solutions. i like that you can always draw over the model with detail lines to conceal somethign that could have taken a very long time to model. i appreciate all of the help so far. it has been very useful. Thank you to all!!!

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Mon, May 1, 2006 at 10:30:23 PM | RE: Help! 46 Meg Project is overwhelming the graphic card and processor.

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TomDorner


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The TJI (plywood web trusses) and W shapes are part of the standard Revit detail components. You can find them under the Imperial Library>Detail Components>Structural>Wood/Steel

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