TAILIEUCHUNG - Visio 2003 Bible phần 8

Ví dụ, quy mô kiến trúc điển hình của 1 / 4 "= 1" 0 "có nghĩa là 1 / 4 inch trên một mảnh giấy là tương đương với một chân trong thế giới thực, đó là hữu ích cho hầu hết các kế hoạch xây dựng. Tuy nhiên, bạn có thể sử dụng 1 / 8 "= 1 '0" cho một tòa nhà lớn. | 536 Part V Using Visio for Architecture and Engineering Working with External File References When you insert or convert a CAD drawing that references external files Visio tries to open any external linked files as well. Visio looks for external reference files in a folder with the same path as the one used when the file was originally linked or in the same folder as the Visio drawing. Before you insert a CAD drawing or when you receive a message that Visio can t find the externally linked files be sure to place any external files in the same folder as your Visio drawing or create a folder structure that mirrors the original used by the CAD drawing. Modifying Inserted CAD Drawings Although you can t edit the CAD drawings you insert into Visio you can modify them in several ways. If you plan to add Visio shapes over the top of an inserted CAD drawing you can change its units and scale so that CAD objects and Visio shapes are sized in the same way. If you want to show specific portions of an inserted CAD drawing you can crop pan move or modify the visibility of layers in the CAD drawing. You can drop Visio shapes on top of the CAD drawing and even position Visio shapes by snapping to the geometry of the inserted drawing. Note If you want to edit or delete individual objects in an inserted CAD drawing convert only the layers containing those objects to Visio shapes and then make the changes you want. Modifying Units and Scale To achieve the results you want it s important to coordinate the units and scale you use in both your inserted CAD drawings and the Visio drawings that hold them. If the CAD units and Visio measurement units don t match when you insert a CAD drawing into a Visio drawing you might see a blank rectangle or only a portion of the CAD drawing. When you insert a CAD drawing into a Visio drawing Visio sets the Visio drawing scale so that the CAD drawing fits on the Visio drawing page. For very large drawings inserted onto small Visio drawing pages the .

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