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Design Model, Drawing Model And Sheet Model In MicroStation

 There are three types of models available in microstation Design Model A design model is a collection of elements that are drawn for creation of desired model. The design model is drawn to actual size. A design model can be a 2D or a 3D model. You can create it by clicking the Create Model icon in the Models dialog and selecting the Type setting as Design or Design from Seed. In the design model, you can create the design of your project such as a building, bridge, road etc. Design model typically has a black background. Drawing Model A drawing model is an optional intermediate stage between the 3D design and sheet model. The drawing model is a 2D model in which you reference a design at full scale to add annotations, dimensions, callouts and other embellishments. It typically has a gray background. Sheet Model A sheet model contains design model references that are scaled and positioned to create a printable drawing. It can be considered as an electronic drawing sheet. Sheet mo
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View Display, Global Display And Global Freeze In MicroStation

Level Display dialog in MicroStation is used to turn on and turn off levels in a model. This dialog contains the display control options (on/off switches): View Display, Global Display and Global Freeze as shown in below image. View Display If you are in "View Display" mode, changes in the level display affect the chosen (selected) view in the active model. This means that when you select/deselect a level in the level display dialog, it will turn on/off that level in the selected view only. It doesn't affect other views. Thus it has a local effect. Global Display  If you are in "Global Display" mode, changes in the level display affect all views in all models in the open file. This means that when you select/deselect a level in the level display dialog, it will turn on/off that level in all the open views. Thus it has a global effect. Global Freeze Changes in the level display affect all views in all models in the open file. When Global Freeze is on, elements on
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Reference File Nesting And Nesting Depth In MicroStation

There are two type of reference attachment in microstation Direct Attachment: Consider below image, as an example File A, File B, File C are attached to File D. After attachment we can see the content from File A, File B and File C in File D along with the content of File D. File A, File B and File C are said to be in direct attachment to File D. Nested Attachment: Consider below image, If we attach File D (with File A, File B and File C attached to it), to another File E. File E, File D is said to be direct attachment to File D and File A, File B, and File C are said to be nested attachment to File E. Now to see content of nested attachment the nesting must be on with nesting depth greater than zero. If we attach the the File D to File E with nesting off, only content of File D can be seen in File E along with the content of File E. It means if the nesting is off only content from direct attachment can be seen in active file. Nesting Depth: Nesting depth is the level of nested attachm
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Reference Attachment Methods in MicroStation

Following are attachment methods available in microstation: 1. Recommended:  If you set the attachment method menu to recommended, the model or saved view is attached with default settings without opening the reference attachment settings dialog. The default settings are saved in workspace configuration file using a system variable (MS_REF_DEFAULTSETTINGS) and can be edited using edit button as shown in below image. 2. Interactive:  If you set the attachment method menu to interactive, it will open up the reference attachment settings dialog to further define the orientation of the view (Coincident/Coincident World/Standard Views/Saved Views/Named Fences). This method allows placement of a model that is not geographically located with the active file. By using this method, you can choose point of placement manually. An example of use with the Interactive model would be when attaching a profile drawing to a plan and profile sheet. 3. Coincident:  When you attach, a reference usi
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