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OldmanHaggler (Mechanical) (OP)
20 Nov 06 13:20
Hello Everyone,

I have a 2d drawing & all of the lines  are suppose to be flat but when i look at the drawing in a 3d view there are lines at different elevations?...  I am wondering how I can fix this? other than moving lines manually?

Any help would be great!


SeanSweeney (Civil/Environmental)
20 Nov 06 13:36
Have you tried the flatten objects command in express tools - seems to work quite well, just take a while.

Cheers. Sean.

Helpful Member!  CarlB (Civil/Environmental)
20 Nov 06 13:43
Use the command "flatten", from Express Tools.

If you haven't installed E.T. (you should) or are on LT, the following command sequence flattens most objects:

Command: MOVE

Select objects: Specify opposite corner: 5 found

Select objects:  Specify base point or displacement: 0,0,1e99
Specify second point of displacement or <use first point as displacement>:

Automatic save to C:\Documents and Settings\cab.EEI_AK\Local
Settings\Temp\ellipse$ ...

Command: MOVE
Select objects: xx found
Select objects:<enter>
Specify base point or displacement: 0,0,1e99
Specify second point of displacement or <use first point as displacement>: <enter>
Command: <enter>
Select objects: p
xx found
Select objects: <enter>
Specify base point or displacement: 0,0,-1e99
Specify second point of displacement or <use first point as displacement>: <enter>
OldmanHaggler (Mechanical) (OP)
20 Nov 06 14:19
I have tried the Flatten command, it appears to work - Thanks a bunch!

One question Carl, whats "1e99" mean in phrase 0,0,1e99 ?
I tried this and it did'nt want to work for me?

CarlB (Civil/Environmental)
20 Nov 06 16:42
1e99 (One times 10 raised to the exponent of 99) is a ridiculously large number (for AutoCAD) that when objects are moved to this elevation, then in the negative z direction by same amount, AutoCAD loses track of initial elevation and z goes to 0.00.
dik (Structural)
20 Nov 06 18:20
and for selecting objects to be moved, you can use "ALL" on the command line rather than a window.

brinkley (Geotechnical)
22 Nov 06 9:23
Here is a like to lsp file that will take care of what you're looking for.  I think that it worked better than the internal AutoCAD flatten:
OldmanHaggler (Mechanical) (OP)
22 Nov 06 15:14
Thank you very much for the help - works great!!

xxpegasus11 (Structural)
22 Nov 06 22:13
Just curious - I must be missing something
why not just select all your lines, and in the property toolbar just type 0 for start Z and end Z. I just use it to do the reverse sometimes to elevate lines
OldmanHaggler (Mechanical) (OP)
23 Nov 06 14:46
I thought about that, but the Z coordinates box will not let me change value?  not sure why either?

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