Re: Linear scaling of sketches
- From: zxys <paul@xxxxxxxx>
- Date: Thu, 31 Jan 2008 21:59:30 -0800 (PST)
Paul,
It goes beyond 2D planar sketches.... 3D Sketches are also needed!
I really don't see the issue with sketches which have driving
dimensions and constraints.... they will obviously have to LOOSE them
for the non-uniform scaling to occur!
It's a SIMPLE request which takes a BOAT LOAD OF BS TO HAVE IT BECOME
A REALITY!>?!>?!>!>!>!>!
...
On Jan 31, 7:15 pm, TOP <kelln...@xxxxxxx> wrote:
I can do it in 2004 by turning the sketch into a planar surface and
scaling that.
HOWEVER, as has been pointed out, that is a kludge, workaround, extra
steps, avoiding the real issue, blah.......
There is one big factor that makes it different in a parametric,
feature based modeler. In ACAD, the sketches are dumb. In SW, after
they are created the solids and surfaces are dumb so both can be
scaled. It is the sketches that are smart, i.e., they have dimensions
and relations so you have to differentiate scaling before and after
applying dimensions and relations to a sketchs. There is a tool in the
sketcher that will scale an unconstrained sketch in both directions.
But it doesn't work when the sketch has any constraint because you
can't back drive the constraints in a meaningful way. Similarly, if
you didn't notice, after applying a scaling feature to a solid, the
reference geometry that originally defined the solid doesn't scale.
How do you scale design intent? It might be nice to be able to scale
an unconstrainded sketch but you would be hard pressed to integrate
that scaling parametrically to the rest of the model after applying
dimensions.
TOP
.
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