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Linking Dimensions Using Global Variables

To link values by using a global variable in the Modify dialog box:

  1. Double click the dimension, then in the Modify dialog box, type = (equal sign).

    You must enter the equal sign to assign a global variable to the dimension. If you do not enter the equal sign, you can create a new global variable, but it will not be assigned to the dimension.

  2. Type a name for the global variable.

    The name appears in yellow and Create Global Variable appears.

  3. Click Create Global Variable create_global_variable_button.
  4. Click PM_OK.gif.

    equations_dimension appears next to the dimension in the graphics area.

  5. Toggle the display of the value and the name by clicking the Global Variable button global_variable_button.
  6. Find the dimension you want to associate with the global variable. Double click the dimension, then in the Modify dialog box, type = (equal sign) and several characters of the global variable name.

    A flyout menu appears with a name that matches the characters you have typed.

  7. Select the global variable name and click PM_OK.gif.

    Both dimensions become linked to the global variable.


  8. Repeat for as many dimensions as needed.
You can edit the global variable by double clicking the dimensions and using the Modify dialog box, or by editing the values in the Equations dialog box.

Global variables are bi-directional, meaning that if two or more dimensions are defined in terms of a global variable, then changing any one of the dimensions will cause the others to change.

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