Message 1 of 6
welcome everyone's suggestion and view.
Message 2 of 6
In most situations this features on history help us to better understand the operations on feature edition .
Sometimes we have two or more objects on the screen, and if we want to work with only one object, we use to hide the others. Next time we edit the history the object visibility are the same of the feature creation.
This feature is very useful when working with surfaces or with a big assembly.
Message 3 of 6
Thanks for your reply
There are no doubt that Blank and Unblank command are important in 3D software ,but these command just chang the status of molde but not the form or the feature , as far as I know,other 3D software don't create a new feature in the history manager after use Blank and Unbland command ,Just Because these command was used frequently , if as a new feature ,there will be more feature show in the history manager,there will be not so convenient and intuitively to manager the design step .
Message 4 of 6
When I am teaching the product to new users I always suggest, regen often, save often, and step through the history before archiving the file and erase un-need history items. There are undoubtedly extra blank and unblanks that were done during the design process just to inspect different aspects of the part. Blank followed immediately by Unblank All; the Blank can be deleted but more inspection of the history is needed before just deleting both commands.
Message 5 of 6
For instance you want to model off an inported data object so rather than creating an assembly you import the part directly. You might reference the part to set up your model then as you do operations that would edit the import, you blank it, then unblank it later when it is next needed.
Other times you can Swap all, Blank a feature you want to use, the Swap All again and it can now be edited. In this case you can remove both Swap All's and leave just the Blank feature in the history! This effectively and Unblank.
The flexibility Visibility controls give are very useful once you fully understand their usefulness.
Message 6 of 6
Any old autoCAD drivers here will remember how infuriating it was when autoCAD included every zoom and pan in their undo cache.
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