How to Add Dimensions in MicroStation?

Understanding Dimensioning in MicroStation

Adding dimensions in MicroStation is a crucial skill for engineers and designers. Properly dimensioning your drawings ensures clarity and conveys the necessary information for construction or manufacturing processes. Below is a detailed guide on how to add dimensions in MicroStation effectively.

Accessing the Dimensioning Tools

1. Open MicroStation: Start by launching the MicroStation application and opening the design file where you wish to add dimensions.

2. Navigate to the Dimensioning Toolbar:

   • Go to the Tools menu.
   • Select Main and then choose Dimensions to access dimensioning-specific tools.
3. Choose the Right Dimension Tool:
   • From the dimensioning toolbar, you can select the specific type of dimension you want to create, such as linear, radial, or angular dimensions.

Adding Linear Dimensions

1. Select the Linear Dimension Tool:

   • Click on the Linear Dimension icon from the toolbar.

2. Specify Points:

   • Click on the first point (starting point of the dimension).
   • Move your cursor to the end point and click again to define the measurement.
3. Place the Dimension Text:
   • Move your mouse to position the dimension text and click to place it. Adjust if necessary.

Adding Radial Dimensions

1. Select the Radial Dimension Tool:

   • Click the Radial Dimension option from the tools available.

2. Choose the Circular Element:

   • Click on the circle or arc you wish to dimension.
3. Position the Text:
   • Move your cursor to position the radial dimension text and click to place it.

Setting Dimension Style and Units

1. Access Dimension Style Settings:

   • Navigate to Element on the top menu, then select Dimension Style.

2. Choose a Style:

   • From the dialog that appears, choose an existing style or create a new one to customize the appearance and behavior of your dimensions.
3. Set Working Units:
   • Go to Settings > Design File > Working Units to change the units of measurement (e.g., inches or millimeters).

Editing Dimension Text

1. Utilize the Edit Text Tool:

   • Click on the Edit Text icon in the toolbar.

2. Select the Dimension Text:

   • Click on the dimension text that you want to modify.
3. Make Changes:
   • You can either add additional words or overwrite the existing value as necessary.

Reassociating Dimensions

Dimensions may sometimes misalign with their associated geometry due to changes in the design. To reassociate them:

1. Select the Reassociate Dimension Tool:

   • Find the tool in the dimensioning options.

2. Choose the Dimension:

   • Click on the dimension that needs reassociation.
3. Use Fence for Bulk Action:
   • Alternatively, enclose multiple dimensions within a fence and opt for the ‘Use Fence’ option to reassociate many dimensions at once.

Frequently Asked Questions

1. What types of dimensions can I add in MicroStation?
MicroStation allows you to add several types of dimensions including linear, radial, angular, and ordinate dimensions, catering to various design needs.

2. How can I change the dimension accuracy in MicroStation?
You can modify the dimension accuracy by going to Element > Dimension Style, selecting the desired style, and then adjusting settings in the "Units" tab.

3. How do I ensure my dimensions appear correctly on the print layout?
Make sure to check your dimension style settings and the scale of your print layout. Preview the layout to confirm that the dimensions are clear and legible before printing.