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CAD tip CAD tip # 6933:

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Q - question

How to show history of drawing entities?

A - answer The order in which the individual drawing entities were created - i.e. their history in time - can be displayed using the LISP utility History.

Xanadu History is a free LISP utility allowing to "replay" the history (order) the drawing entities were created. It is not just a slow redraw. The individual drawing objects are animated in the order of creation time, not in the assigned draw order.

Load the HISTORY.VLX in your AutoCAD session (e.g. with the _APPLOAD command). In a copy of your DWG drawing, run the HISTORY command. It will initially hide all drawing entities. Then the entities will be individually displayed in the order of creation. You can choose automatic (animated) display or single step display on pressing ENTER.

The animation speed can be controlled by the LISP variable "history_delay".

You can download History from

100% *  CAD 
14.9.2009    13221x  
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applies to: AutoCAD ·

See also:
Tip 11128:How to convert lines forming a text to a text entity.
Tip 11017:How to select a DWG object by its internal ID, its "handle"?
Tip 11004:AutoCAD forgets window-selected objects when zoomed off screen.
Tip 10945:DWG text in dashed or dotted linetype.
Tip 10884:Simple detection of a 2D/3D DWG or an empty DWG.

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