CAD Forum - tips, tricks, discussion and utilities for AutoCAD, Inventor, Revit and other Autodesk products [www.cadforum.cz]

CAD tip # 5351:

Question CAD
% platform category

How to update drawing blocks with an updated version from a DWG file?

You want to update a block or blocks in a drawing (or in multiple drawings) with a new modified version. You can use the free LISP utility by CAD Studio - BLKREDEF.LSP (see www.cadstudio.cz/download).

First save the edited block to a separate DWG file (using WBLOCK). In the target drawing first load (APPLOAD) the BlkRedef utility and use the BLKREDEF command to update (refresh) the blocks of a given name. The BlkRedef command with the parameter blockname can be used even in scripts to batch update multiple drawings at once (use any batch processor - like ScriptPro or ScrGen).

In your script, use e.g.:

(load "blkredef.lsp")
BlkRedef MYBLOCK1
BlkRedef MYBLOCK2
BlkRedef MYBLOCK3
save
quit

(the myblock1.dwg, myblock2.dwg and myblock3.dwg files must be in the AutoCAD search path)

You can also uncomment the line with blkredeflayswitch in the LISP code to sort updated blocks in specific layers - just set the pairs blockname-layername.

ACAD

* CAD

10.1.2007 40627×

Comments Tell a friend

Prices - CAD eShop:

AutoCAD

applies to: AutoCAD ·

Back All CAD Tips

My Revit rendering functions are grayed out. « | » How to assign a fixed mass to an Inventor part?

Have we helped you? If you want to support the CAD Forum web service, consider buying one of our CAD applications, or our custom software development offerings, or donating via PayPal (see above). You may also add a link to your web - like this "fan" link:

CAD: OS: Categ:
Text:	FAQ glossary

Featuring:
Extend your AutoCAD LT productivity with our popular add-on
CADstudio LT Extension More info

Please use these tips at your own risk.
CAD Studio is not responsible for possible problems that may occur as a result of using any of these tips.


Login/Register:
Visitors: 2937