Ich bin da auch etwas erstaunt - aber siehe da:
BBS
Re: Missing dof arrows"davek" wrote in
message
news:davek.5p09x0@noreply.bbs.industrysoftware.automation.siemens.com...
>
> NX 8.5
>
> I've noticed the degree of freedom arrows in sketcher are missing. They
> display if I explicitly Insert, Geometric Constraints, but otherwise
> they do not display.
>
> Bug? or did something in my settings get turned off? You can see I
> still need 6 constraints, but no DOF arrows to show me where.
NO, this is the new behavior. Prior to NX 8.5 you had to actually select
either the Geometric Constraint or the Dimension icon for the DOF symbols to
be displayed as well as for the queue line to indicate how many constraints
were still needed to fully constrain your sketch. Just because you're NOT
seeing the DOF symbols does NOT mean that your sketch is fully constrained,
just that you may be in a mode where we're not indicating anything about the
constraint status of your sketch.
However, starting with NX 8.5 since there are now ways to apply Geometric
Constraints WITHOUT having to have to be in an explicit 'create constraints'
mode, we are now reporting the constraint status of your sketch at all
times, even when there are no DOF's being displayed. If you were to select
the Geometric Constraint or the Dimension icons you will see that any
relevant DOF symbols will be displayed exactly as they were prior to NX 8.5.
So nothing has really changed in terms of WHEN DOF's are displayed, ONLY
WHEN the NOTICE about how many constraints are needed, that has changed.
Now the reason for this is that, as I alluded to earlier, you no longer have
to be in an actual define Geometric Constraint 'mode' before you can start
to add Constraints to your model. All you have to do is simply select the
geometry that you wish to constrain and what we call a 'Shortcut Toolbar'
will appear near your cursor which will include icons for those Constraint
types which would be relevant for the group of objects which you've
selected. And as you select any of these Constraints, the notice in the
queue line as the number of constraints needed to fully constrain your
sketch will be updated automatically.
Now there is no reason why you can't still select the Geometric Constraint
icon first so that the DOF's are displayed, but that will NOW bring up a new
Geometric Constraint dialog WITH selection steps which is NOT what happened
prior to NX 8.5. What this change provides is that we now have FULL support
for BOTH 'Object->Action' and 'Action->Object' workflows when creating
Geometric Constraints. Prior to NX 8.5 the workflow was confusing to people
used to 'Action->Object' since it was a sort of hybrid of the two which
required you to work as if it were a combination, something which was not
seen anywhere else in NX so this change was made to make both workflows
available so that users could use that which they were most comfortable
with, but this did require that we now show the Constraint Status at all
times, even then NO DOF's were being displayed.
Note that these changes providing multiple workflow modes is covered in the
What's New document although it does not explicitly mention that the
behavior for when the constraint status notice is now being displayed has
changed.
Anyway, I hope this explains that what you're seeing is not a 'bug' but
simply a change in when and why we are now providing information about that
Constraint Status of your sketch.
--
John R. Baker, P.E.
Product 'Evangelist'
Product Engineering Software
Siemens PLM Software Inc.
Industry Sector
John.R.Baker@siemens.com
------------------
Rainer Schulze
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