Think of this as your typical user, competent and been around long enough to know what’s going on. Use the BLOCK command to redefine the block by picking (or entering) the exact name as the existing block definition.Make modifications or add new geometry using existing AutoCAD commands.Use the EXPLODE command to explode one of the block instances into its original elements (aka lines, arcs, circles, etc).PRO: Can be the quickest way to made a copy of a block definitionĬON: You need to make sure you select the correct rotation, scale, and insertion point of the modified geometry otherwise it will negatively adjust existing blocks It was, for a long time, the only way of modifying blocks. Exploding the block back to its original entities and then redefining the block once the desired changes has been made is the first method of modifying blocks. Think of this as the wily old veteran who’s been on the team forever, maybe has lost a step, isn’t as fancy as the new boys on the team, but when it comes down to crunch time knows how to get the job done. “ On the chopping block” featured image courtesy of Flickr Exploding & Redefining
One of the great things of using blocks is that by editing the block definition (the recipe of what the block is) all instances within the drawing will update automatically. Each has its pros, cons, and place to use. ĪutoCAD has three primary methods of editing a block after it is created: Exploding & Redefining, Editing In Place, and the Block Editor. *Note that this was an integer with range -32768 - 32767 in R11, then it changed to 0 - 32767 in R12.Continuing our Deep Dive look into AutoCAD – focusing on blocks – let’s take a look at editing blocks.
"LWPOLYLINE"))))īit 0 (1) : ^C in menu macro cancels grips (acts like keyboard ).īit 1 (2) : no pause during text screen listings.īit 2 (4) : no "alert" dialogs (text display instead).īit 7 (128) : accepts "screen picks" (point lists) via (command) function. I set QAFLAGS variable to 1 (0 is default value) and after that my syntax works well. Kent Cooper gave me the solution for my problem, and i want to thank him very much. If you Search for QAFLAGS in the AutoDesk Customization Forum,, you'll find various threads that talk about it and show you how to change the setting. There are at least two things you can do: 1) Step through the selection set and Explode each one individually, or 2) Mess around with the mysterious and undocumented QAFLAGS System Variable. For some reason I've never seen explained, the Explode command in particular cannot Explode more than one thing at a time in a (command) function.
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