About Showing Model Annotations
When you import a 3D model into a 2D drawing, the 3D dimensions and stored model information maintain parametric associativity with the 3D model. By default, they are invisible. You can then selectively choose 3D model information to show on a particular view, which is the concept of showing.
Items that you make visible are referred to as shown. These shown dimensions are associative to the 3D model in both directions. That is, you can use these dimensions from both the drawing and the model environment to drive the model.
After you place the model dimensions and detailing on the drawing, you can adjust their positions on the sheet and customize the format.
Consider the following when you show model dimensions and detailing in your Creo Parametric drawings:
• Only one driving dimension for each model dimension may exist in a drawing. A drawing may have several views of the same object, but only one driving dimension for each feature of the model may be shown.
• You can unintentionally edit the model. If a driving dimension is edited, it turns white to indicate a discrepancy between the drawing and the model. When you regenerate the model, the drawing uses the new dimension. Using configuration options, you can break the link between model and drawing. This is not the usual Creo Parametric usage.
• You can create a Draft View with related imported annotations. When importing DXF, DWG, IGES, or CED files, select the ‘Import associative dimensions’ option. In the imported file, select all the annotations that need to be related to the draft view, along with the draft geometry chosen for the creation of the draft view. Ordinate dimensions are not imported as associative when importing DXF, DWG, or IGES files. Hence, they cannot be associated with a draft view during its creation, but they can be related to an existing draft view.
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If you try to show legacy annotations associated with a model using the Show Model Annotations dialog box, which in turn, requires you to update those legacy annotations, even if you cancel the show operation and no annotations are displayed. This causes changes to the model. For example, the legacy annotations could be, a GTOL that does not have a corresponding note, or, a surface finish without corresponding symbol.
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