To Create Ordinate Dimensions
1. Click Annotate > Ordinate Dimension or Annotate > Annotations > Ordinate Reference Dimension. The Select Reference menu appears.
2. Select one of the reference options on the Select Reference menu and select a baseline reference on the drawing.
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You can alternatively select an existing baseline or any part of the existing ordinate dimension’s witness line or text.
3. Hold down the CTRL key and select another entity to create ordinate dimensions for the selected entities. Drag the dimensions outside the drawing and middle-click to place the ordinate dimensions.
4. Hold down the CTRL key and select the remaining entities to dimension. The dimensions are automatically placed aligning with the ordinate baseline dimension.
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Alternatively, you can select the baseline and all the references to create and place all the dimensions in a single instance.
5. Middle-click or click Cancel on the Select Reference menu to stop creating dimensions.