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2.6.1 Revit
我們從Revit Architecture 的角度來考量Revit平臺。建筑設計中，Revit是BIM方面最知名的平臺也是目前市場上的領頭羊。它是由歐特克公司收購一家創業公司的Revit之后，于2002年引入市場的。Revit是一款有著不同的編碼庫和文件架構的完全獨立于AutoCAD的平臺。這里闡述的Revit是2011版本。Revit是一款綜合產品，包括Revit Architecture、Revit Structure、以及Revit MEP。Revit能在Windows操作系統上運行，也能使用Windows BootCamp?- 插件在Mac系統上運行。它能在32位和64位處理器以及各種版本的操作系統上運行。
作為工具：Revit提供了一個易于使用的界面，每步操作和智能光標都有拖拽提示。其操作菜單根據工作流進行了很好的組織，而且它的操作菜單能把當前系統環境中不可用的操作進行灰顯。Revit的圖紙生成功能非常好；它的圖紙生成關聯性很強，所以很容易管理圖紙發布。它提供了圖紙與模型之間的雙向編輯功能，也支持構件（如門、門配件等）和明細表之間的雙向編輯。Revit支持制作自定義參數化構件和預定義構件的自定義化。Revit用于定義構件的規則已經隨著每個版本的發布進行了改良，并包含了三角函數。它可以在陣列中約束距離和角度以及構件數量。它也支持參數之間的層次關系。因此，一個構件能通過具有參數關系一組子構件進行定義。設置能約束組裝構件布局和尺寸的全局參數是更加困難的。最新API的發布為外部應用程序開發提供了有力支持。
Revit有一個非常大的產品庫，特別是用于規范和設計構件的Autodesk SEEK庫。它為大約850家不同的企業以及13750條不同的產品線（包括超過750種燈具）承載著信息。這些產品是由各種文件類型定義的：RVA、DWG、DWF、DGN、GSM、SKP、IES以及TXT。它們在Masterformat、Uniformat以及Omniclass Table 23 (產品)格式中都是可訪問的。大約有六個其它網站都有BIM產品，其中Revit對象占主導地位。
作為平臺：作為BIM市場的引領者，Revit有最大的相關應用程序組。有些是通過Revit的開放API的直接鏈接，其它的則是通過IFC或者其它轉換格式。這些分別被記為（Dir）和（IFC）。DWF是另外一個Revit接口，記為（Dwf）。
① 結構（Revit結構）：Revit 結構(Dir)、ROBOT (Dir)和RISA結構分析(IFC)、BIM ME S.A.R.L. ETABS Link、用于FEA（有限元）分析的SismiCAD、Graitec’s Advance and ARCHE、Fastrak Building Designer、StruSoft FEM-Design、SOFTEK S-Frame、STAAD- PRO via SIXchange, SOFiSTiK
② 機械（Revit機電）：Revit機電(Dir)、HydraCAD (防火噴淋)、MagiCAD (機械設計)、QuantaCAD (用于竣工機械激光掃描)、TOKMO (COBie 設施運營交接— 見第三章)
③ 能源和環境：Ecotect、EnergyPlus、IES all indirect、Green Building Studio via gbXML
④ 可視化：Mental Ray (Dir)、3D Max (Dir)、Piranasi
⑤ 設施管理：Autodesk FMDesktop? (Dwf)、Archibus (IFC)
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2.6.1 Revit
We consider the Revit platform from the perspective of Revit Architecture. Revit is the best-known and current market leader for BIM in architectural design. It was introduced by Autodesk in 2002 after Autodesk acquired the Revit program from a startup company. Revit is a completely separate platform from AutoCAD, with a different code base and file structure. The version reviewed here is 2011. Revit is a family of integrated products that currently includes Revit Architecture, Revit Structure, and Revit MEP. It runs on Win- dows OS and on Macs, using the Windows BootCamp? plug-in. It runs on both 32- and 64-bit processors and versions of the OS.
As a tool: Revit provides an easy-to-use interface, with drag-over hints for each operation and smart cursor. Its menus are well organized according to workflow and its operator menus gray-out nonavailable actions within the current system context. Its drawing generation support is very good; its drawing production is strongly associative, so that drawing releases are easily managed. It offers bidirectional editing from drawings to and from the model, and also bidirectional editing from schedules for doors, door hardware, and the like. Revit supports the development of new custom parametric objects and customization of predefined objects. Its rule set for defining objects has improved with each release and includes trigonometric functions. It can constrain distances and angles and the number objects in an array. It also supports hierarchical relations of parameters. Thus, an object can be defined by using a group of sub-objects with parametric relations. It is more difficult to set up global parameters that can constrain assemblies of objects’ layout and sizes. The release of the current API provides good support for external application development.
Revit has a very large set of product libraries, particularly its own Autodesk SEEK library for specification and design objects. It carries information for about 850 different companies, and about 13,750 different product lines (including over 750 light fixtures). The products are defined in a mixture of file types: RVA, DWG, DWF, DGN, GSM, SKP, IES, and TXT. They are accessible from Masterformat, Uniformat, and Omniclass Table 23 (Products) for- mats. There are about a half-dozen other sites with BIM products, where Revit objects dominate.
As a platform: Revit, as the BIM market leader, has the largest set of asso- ciated applications. Some are direct links through Revit’s Open API and others are through IFC or other exchange formats. These are denoted (Dir) and (IFC), respectively. DWF is another interface for Revit, denoted (Dwf).
① Structural (with Revit Structure): Revit Structure (Dir), ROBOT (Dir), and RISA structural analyses (IFC), BIM ME S.A.R.L. ETABS Link, SismiCAD for FEA analysis, Graitec’s Advance and ARCHE, Fastrak Building Designer, StruSoft FEM-Design, SOFTEK S-Frame, STAAD-PRO via SIXchange, SOFiSTiK
② Mechanical (with Revit MEP): Revit MEP (Dir), HydraCAD (fire sprin- klers), MagiCAD (mechanical design), QuantaCAD (mechanical laser scanning for as-builts), TOKMO (COBie facility operators handover— see Chapter 3)
③ Energy and environmental: Ecotect, EnergyPlus, IES all indirect, Green Building Studio via gbXML
④ Visualization: Mental Ray (Dir), 3D Max (Dir), Piranasi
⑤ Facility management: Autodesk FMDesktop? (Dwf), Archibus (IFC)
——TO BE CONTINUED
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