CAD tip # 7925:

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DWGsync - synchronized co-viewing of multiple DWGs.

CADstudio DWGsync is an AutoCAD add-on utility for AutoCAD 2012/2011/2010 (both 32/64-bit). It synchronizes zooming/panning of 2 or more similar DWG files. It can be used e.g. for visual comparison of drawings, co-viewing a previous version of a drawing, etc.

NETLOAD the DWGsync.DLL file into your AutoCAD session. Open two or more DWG files in AutoCAD and in the main (master) drawing start the DWGSYNC command (type in or use the ribbon) - this will initialize the synchronization process. Optionally it also tiles your drawings vertically. Please note that you can open two different DWG files or the same DWG file twice (the second instance will be read-only) - e.g. to compare the new/old status.

The [ScrollLock] key controls the link between the DWG files.

Now change the view in the MASTER drawing (zoom or pan) using any zoom/pan commands (-PAN, ZOOM, RTZOOM...) or using the mouse middle-button pan or mouse-wheel zoom. All dependent drawings will automatically zoom/pan the same way keeping the same view. Alternatively you can run the DWGSYNCUPD command to perform a manual update (you can assign it to a hot-key).

The DWGsync toolbar attached to the master drawing can be used to control DWGsync - the checbox switches the live-link On or Off (the same as the ScrollLock key on your keyboard), the "refresh" icon performs the DWGSYNCUPD command, the "exit" icon switches DWGsync off.

DWGsync

See also the YouTube video explaining DWGsync.

You can download DWGsync from Download

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18.4.2011 14001×

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applies to: AutoCAD ·

See also:
Tip 14075:	Overview of CAD formats supported in Inventor 2025 (import/export/AnyCAD).
Tip 13800:	Visually compare 3D geometry in CAD and BIM files.
Tip 13683:	Limitations of the LISP language (AutoLISP, VisualLISP) in AutoCAD LT - what to watch out for
Tip 13522:	LookupXLS - populating DWG texts from Excel spreadsheets.
Tip 13459:	DWG drawing version history directly in AutoCAD.

Selected tip: EXPLODE, XREF and XBIND commands stopped working.

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DwgTextTranslator translates a series of drawings from one language to another using MS Access.
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