using autocad 2010lt want to flatten all z to 0 from a civil drawing

Is there a way to change multiple objects/lines from a

z value to an elevation 0 ? Lt doesn't have a flatten command and you can do individual lines in the object properties box.

Try this on a copy of your drawing.

http://ltunlimited.typepad.com/my_weblog/2010/07/mimic-express-tool-flatten.html

Ok, where do you apply the sytax in a CUi macro to get the flatten to work?? Is this making a custom tool in the cui?

^C^C_UCS;;_move;_all;;0,0,1e99;;_move;_all;;0,0,-1e99;;

Did you try to run it from the command line? Cut, paste, press Enter. What happens?

Here's another option. Use the oft forgotten CHANGE command. Choose the ELEVATION option and set it to "0". Don't forget to select all your objects when prompted.

I ran the syntax from the command line and there was no response. Then, I used the CHANGE command; properties; Elev; set it to "0"; and it worked. It set all the topo line to "0". Right on. thanks

Create a button and assigned the macro to it. Place the button on a toolbar.