- [Instructor] Generative shape design for a lot of people
can be a bit confusing
because the tree,
as we've seen in some of the previous videos,
is not linear.
Now most people coming out of other CAD systems
will have a very linear tree,
meaning I create a feature,
goes into the tree,
that's the time it was created.
The next feature goes into the tree,
that's the time it was created,
and so on and so on,
and it orders everything as it was created in the tree
in what's called the timestamp order.
Now when you're looking at the solids side of the world,
the tree's basically set up in said fashion.
But with surfaces,
points, curves, all of the non-solid features,
those things can be basically placed anywhere
within geometrical sets.
You'll notice here,
the final output is a split,
and I have these operations
and I have a fillet.
So this
went on to build this.
I know this because I designed the model,
but how does somebody else get their hands on this
and understand what's going on?
This should be the last element
as far as indicating to others what they're looking at,
but it's not.
This was used somewhere else
for some other purpose.
If I right mouse click and hide show that,
and I come down to the bottom and I hide show fillet four,
you'll see that this does not have the little bead in it.
But fillet four had a little bead.
So technically, fillet four should be the final object
and split one should be put into operations.
Now how do I prove this out?
Well, if I look at split one and I right mouse click
and I come down here to what's called parent children,
this is going to list out
in order how things are built.
You'll notice that all of these objects here on the left,
these are the parents.
This is the current element I'm inspecting,
and these are the things built off of the split one.
So you'll see intersect one was built off of it,
fillet four is built off of it.
So historically speaking,
these are the children.
Now since split one is not the final element,
it is in the wrong geometrical set.
And fillet four is in the wrong geometrical set.
So this should be in here.
If I right mouse click over fillet four now
and say show parent children,
you'll notice it does not have any children.
So that is, technically, the final element.
I'm going to select okay,
and all I'm going to do to remedy this
is I'm just going to grab split one, right mouse click,
and you've seen me do this already in previous videos.
Put that into operations.
And I'm going to come down, we can hide that,
I'm going to take fillet four, right mouse click.
Change geometrical set,
and put into final, select okay,
and as you can see, that is now the truly final element.
Now I'm going to go back over fillet four.
I'm going to right mouse click once again,
and I'm going to say parent children.
Here, you can see these are the elements
that went into making fillet four.
Fillet three is one of those elements, split one.
So if I hide show fillet three,
you can see what that is.
And as you can see,
that is that bead shape that was eventually filleted in
to split one, which I just moved,
as you can see.
And both of those make fillet four.
And again, if I just double click,
and you'll see I can quickly walk through historically
how this fillet is made.
So this shows you all of the relationships,
the parent child relationships,
and this parent children becomes very important
to understand how to navigate the model.
Select okay.
Now there's another tool that I do like to use.
Let me go ahead and hide these.
Another tool that I do like to use
and got to be a little careful here
because this is only going to be available based off
of certain licensing that you may have.
If you don't see this, then you don't have the license
and for the most part, most people will have this.
It's called quick select.
In the, by default, upper right corner,
little icon called quick select.
When I click on it, turns orange,
indicating that it's going to do something,
but nothing pops up.
Nothing appears.
If I look in the lower left corner,
you'll see down there,
select elements to display its parents and children.
So it's saying hey, pick something.
So based off of what I select,
I'm going to pick, let's say, this face.
You'll notice I get a menu that pops up.
In this menu,
this is showing me similar to the parent children menu
that I just showed,
but it's giving me different capabilities here.
The first thing that it does is it shows, in this window,
the parent and the children.
And if I look down below,
I have some options.
I can say hide other elements so everything gets hidden.
I can say display just the parents.
So now I'm looking at just the elements
that went into making the current feature.
I can say show me the current, turn off the parents,
and I can say show me the children.
Well, fillet four does not have any children,
so there's nothing to show.
If I select on fillet three in this window,
you'll notice that becomes the current feature.
Fillet four is now a child,
displays in the window,
and here are the parents.
And again, I can toggle these things on and off.
I want to see what the parents are,
I want to see the current model, turn off the parents,
and I can walk my way through the model in said fashion.
I'm just going to escape out,
and as soon as I escape, it brings me back to the model
in its current hide show status,
what I went in with.
And I'm going to select on quick select once again.
This time, I'm going to pick over the top of a fillet.
And here, what I want you to see out on the screen,
let me zoom in a little bit
so you can see a little bit better,
is it's going to list several elements.
Here's split one.
You'll notice split one and fillet three.
These are the actual parents.
So in the window,
you'll see the parent's listed with this red text.
You'll see green text here, as well,
and in this case,
you have a little G sitting right next to it.
That G is indicating the ground element
or the base element that this is making.
That G's very important.
I'll show you why here in a little bit.
Now, this time, I'm going to come in here
and I'm going to pick this face.
Not the actual fillet,
but I'm going to pick this face.
And this time, you'll see I have a magenta element.
This magenta element is the most base element
that made this face.
This goes all the way back in time to the element
that ended up making that face.
So if I right mouse click on it here and say hide show,
that G is indicating the ground element.
That ground element is that extrusion.
So if you want to go back to the first element
or previous elements,
scan through the model,
see how things are built with history.
Quick select is a great way to go through
and navigate through that model.
And you know, if I pick again,
you'll see once again,
that extrusion now is the elements at the current
shows me what made it, this main body sketch.
I can hide show that,
but it didn't hide show,
and the reason why it didn't hide show is
because it is in the hidden geometrical set.
If I turn that on, you can see.
Now, let's go here.
Let me hide show in the window.
I can see that element, right.
'Cause again, the geo set takes precedent over everything.
Sometimes, I hide geo sets, sometimes I don't.
Depends on what I'm doing,
but typically, I like to leave them shown,
so when I go into the quick select,
I can see, or the parent children, I can see those elements
as I navigate through the history of the tree.
So this quick select is very important.
And again, you may not have it based off
of the licensing that you have.
Most people should.
And if you don't have it,
you can definitely go ahead and use
the parent children,
which everyone will have.
You'll definitely have this parent children,
and you can navigate through this window, again,
right mouse click on something,
show parent children.
If I want to, I can right mouse click on something
and hide show it in that window.
I can also, if I want to,
I can right mouse click on something
and say center graph,
and it'll center the graph.
So you can do quite a bit in this window.
I'm in this window a lot
as I'm navigating through my model,
especially if I'm getting a file from someone else,
I want to understand how it was built,
so getting familiar with parent children,
quick select, very important.