Projected geometry not updating...ugh!

JimmyDoe · ‎06-25-2015

I've seen a lot of people on here with trouble having projected geometry not updating. They all seem to be older post so I was hoping I could get a more up-to-date reaponse. In the attachment you can see there is a rib that had it's profile based on the O.D. of a tube that it helps to support. But when I changed the diameter of the tube, the projected geometry remained the same as it was previously. Why would this be? It is not a projection of cut edges, I didn't delete any part of the tube, I simply changed th diameter in the sketch of the tube. (its really a formed plate, not a tube)

I find it hard to believe that this can't update automatically. Why does Inventor work so well in some area and then be such a pos in others?

JDMather · ‎06-25-2015

@JimmyDoe wrote:

.....hoping I could get a more up-to-date response. ...

I find it hard to believe that this can't update automatically. ....

What version of Inventor are you using?

Have you installed all Service Packs and Updates for your version of Inventor?

Is the Update lightning bolt active?

Have you tried Manage>Rebuild All?

Can you attach an actual Inventor file here that exhibits this behavior rather than a static pretty picture?

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Anonymous · ‎06-25-2015

Make sure these two options are checked off in your application options (likely the projected geometry has been given "lock" constraints):

JimmyDoe · ‎06-25-2015

They were not checked, so I just checked them.

But the projected geometry didn't have the little lock icon showing and it was yellow, not purple. Should it have been locked, or no?

Sorry, the one thing I really dislike is the sketch environment in Inventor. All the constraints are so jumbled, to me. Like when two line endpoints connect to each other on a line of projected geometry, I can never distinguish if the constraint is for one of the lines to the projected geometry or if it's the endpoint of one line to the endpoint of the other line. I don't know if that makes sense, I just find the references in the sketch environment to be such a pain!

Just when I was starting to turn the corner into starting to like Inventor, it kicks me in the brain again!

mdavis22569 · ‎06-25-2015

post an example part that this is happening on..

Mike

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Anonymous · ‎06-25-2015

I understand regarding the line endpoint coincident constraints...

If you recreate that projected geometry now, are you getting the results you wanted?

Also, when you say the projected geometry didn't have the lock icon, I assume you had clicked on "Show All Constraints" beforehand?

JimmyDoe · ‎06-26-2015

Sorry, I've been quite busy the last couple of days, I should be able to get you the assembly that was causing me problems on here tomorrow.

and yes, ccamara01, I clicked 'Show All Constraints' Do I want my projected geometry locked or not? Does locking it make it so that it won't update? Or does it lock the geometry to its references so it updates when it's references change?

Anonymous · ‎06-26-2015

Locked geometry will not update. It will stay exactly as is.

Refrain from using locked constraints if you can help it... as if your life depends on it...

JimmyDoe · ‎06-26-2015

Duely noted.

Do you have any special trick for solving sketches or trying to redefine them? On here I've seen a lot of talk about saving it as a block first and then reconstraining it or deleting and starting again. Is it really that bad? Do I really need to rebuild my sketch, just to put it on a diffrent face?

Anonymous · ‎06-26-2015

@JimmyDoe wrote:
Duely noted.

Do you have any special trick for solving sketches or trying to redefine them? On here I've seen a lot of talk about saving it as a block first and then reconstraining it or deleting and starting again. Is it really that bad? Do I really need to rebuild my sketch, just to put it on a diffrent face?

Shouldn't have to, no. You can copy and paste a sketch, and it will retain (most of) its constraints and dimensions. Projected geometry will not copy and paste though.

johnsonshiue · ‎06-26-2015

Hi! Did you turn on all constraints and see if there are indeed "Project" constraints associated with those lines? If they have "Fixed" constraints, they won't be updated according to the source geometry. Is this a project cut edge in assembly sketch? Could you provide an example showing the behavior?

Many thanks!

Johnson Shiue (johnson.shiue@autodesk.com)
Software Test Engineer

JimmyDoe · ‎06-26-2015

By fixed, do you mean that they would have the little lock icon, when I click 'show all constraints?'

I won't be at work tomorrow, so I'll post the model this Monday.

Sorry for the delay.

Anonymous · ‎01-29-2016

Did this ever get resolved? I have the same problem where I am using a 2D sketch in an assembly, and projecting to the model within the assembly. When I change the 2D sketch, the projected geometry does not update. I have attached a picture of what I am talking about.