Good idea. The advantage of this method over using the "change" command to
change the elevation to 0 is that the "change" command doesn't work on lines
whose two ends lie at two different z values. Not useful for smashing 3D
blocks and 3D solids, but great for taming unruly z values.
"Joe" wrote in message
news:3e651dd8.30437366@discussion.autodesk.com...
> >Is there a program out there that will select all geometry in a drawing
and
> >reset Z to 0?
>
> I've long wished for a restoration of the "flatland" feature that an
> old version of AutoCAD used to have. However, the method that works
> for a lot of the accidental 3-d elements is as follows. First make
> sure you are in the world coordinate system, then just type at the
> command line (or make a macro);
>
> move
> all
> 0,0
> 0,0,1e99
>
> MOVE
> all
> 0,0
> 0,0,-1e99
>
> Basically it moves all the entities to the limits of AutoCAD's
> numbers, and then back to 0, and in the process rounds all the
> Z-values to 0.
>
> Joe