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Strange Things Are Afoot - Help!


ILoveMadoka

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I've created a complex solid. I then created several sub objects

to subtract ie: "punch holes" and such. I've been working on this model for several days without incident. All morning no problems.

I shut down my autocad and this drawing. When I reopened the drawing all the subobjects used to modify the main object are

now showing up as part of the model.

It's like it has returned to a point in time in the History when the

main shape was first being modified.

Can I get the model back to "normal?"

 

Is that understandable at all?

 

TIA!!

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(It's Autocad 2009 if it matters)

 

In the help it states:

For composite solids, set the Show History property to Yes to display wireframes of the original forms (in a dimmed state) of the original individual solids that make up the composite.

 

Well these "History Objects" are not wireframe and changing SHOWHIST, SOLIDHIST or BREP has no effect on them at all.

 

To hopefully clarify. The main object has returned to a state

that it was several days ago.

 

Just trying to figure this out!!

 

Help! Help! Help! PLEASE Help!

 

And thanks!

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You're working off a network and managed to load an earlier version of your drawing. Could that be the cause of the problem?

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In it's simplest form.

I created a cube.

I created a cylinder in the center of the cube.

I subtracted the cylinder from the cube creating a hole.

Several days later the cylinder magically reappeared.

The cube and the cylinder are one object.

The Separate command will not break it apart.

 

Man this is frustrating!!

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No chance..

All the latest changes are there along with the historical objects..

 

"The main object has returned to a state that it was several days ago."

I'm at a loss to explain this seemingly contradictory state of affairs.

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You can't tell me how to do it?

Point me in a direction?

Give me a command to research?

 

I'm not stupid or a novice. All the 3D guys in the office

are all scratching their heads over this one!!

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There is absolutely NO CHANCE this is an old version!

It's like building a house.

You lay in your plumbing, set your footer and foundation forms,

pour your concrete, start the carpentry.

 

Now all the plumbing is magically gone or the forms have magically

reappeared!

 

All the geometry created AFTER the modifications in question

IS ALL there. The "hole punching" as it were, was done last week.

Many, many entities and elements have been created every day since. Objects have been created and placed in those "holes."

They are still there. Everything I did this morning is still there.

The objects that are normally deleted during a subtract are

now all a part of the model. They were NEVER a part of the

main object. Never. You can't subtract them if they are!

But they are now!!

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Give me a command to research?

 

solidhist

brep

 

Attached is the typical case I see.

 

I moved the green desired part out and up a bit after repair. The cyan is the unexpected behavior.

example.png

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Recovery has no effect either.

 

I have three drawings, all created from the one base drawing.

2 are fine. Only the one is demon possessed...

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>Post it..

 

I wish I could. Confidentiality issues with the client.

While I've given up and recreated the model from scratch

there is one more notable observation.

 

When the model is loading, it appears fine. It's not until the

final dll's and such load and the screen regens that my

mystery geometry appears. Does the same thing on other

machines as well. Autocad 2009, Autocad Mechanical too...

I'm going to run all the Autocad updates and see if that does anything...

 

even with the tweaked settings didn't work either.>

 

Thanks so much for all the input!

I appreciate it!!

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When the model is loading, it appears fine.

 

What do you mean it appears fine? The bitmap preview image is just that, a bitmap image captured at some point - not CAD geometry. This has fooled and frustrated many with corrupt files.

 

even with the tweaked settings didn't work either.>

Requires some in-depth knowledge of Inventor, but the fix is really simple when you know the trick.

 

http://www.myvbooks.com/ac55jsp/stores/1/Autodesk_University_2008_Inven_P271C95.jsp?UserID=1321761&ACBSessionID=57B2258CFE2BC113DDE3

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  • 4 years later...

I seem to be having the same problem in autocad 2010. Just started happening. Certain drawings i made in one computer if they are coppied, all the subtracted subobjects show up and parts of a single solid.

If I take the drawing and open it in another computer, the same thing happens.

It seems to be drawing related.

Any Ideas?

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Yes of course. I read the thread. Solid history was on but it is always on and I never had this problem before. It is not big problem for me on this drawing but I have many others that if this does happen it could take weeks to redraw them. So I was wondering if anyone knows what causes this. Perhaps some toggle somewhere? The interesting thing is that it seems to have something to do with copying the drawing to clipboard or using the copy command.

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