Work with categories

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Each

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that is placed into a rivet project will have a category,

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the required categories defined in the family editor and

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would automatically configure built in parameters and other options.

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Relevant to that category.

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In the example of the pile caps and piles,

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the built in parameters will control the length, width and foundation thickness.

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Whereas the beam will have the categories for structural framing applied.

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And hence, we have a number of parameters to configure the ice section.

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These would include the dimensions of the beam as

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well as parameters to control the structural analysis.

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If you are using a generic family template,

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it is best practiced to set the category before creating additional parameters.

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Let's now take a deeper look at family categories and parameters

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on the creates ribbon. Go ahead and select family category and parameters.

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You may remember that we switched our

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category from generic model to structural foundation

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when we did this rev it automatically created

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built in parameters to support structural foundations.

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But you'll also notice there's some family parameters that

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we can also configure in this dialog box.

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So we'll see things like workplace based,

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always vertical.

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And another one, we're going to set here is material for model behavior.

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This is quite an important setting within the structural context.

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This controls how elements join.

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So for example, if we have a steel beam coming up to a column,

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there'll be naturally a gap between that it won't physically join.

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And the same would be true for precast and also timber.

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However, if that was set to concrete,

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the object would then be able to merge together and form a monolithic structure.

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So this defines how the family will join

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to other families in the project environment.

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In this case here, we want to set this to concrete because of course,

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this is cast in place concrete.

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Let's go ahead and select, OK. To family category and parameters,

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we can now continue by setting up our parametric framework

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on the create ribbon.

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Let's start by selecting reference plane

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on the draw panel, I'll go ahead here and select pick lines

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and on the options bar. I'm going to set my offset to 3 ft.

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We can then go over to the vertical reference

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plane and create an offset to the left hand side

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and an offset to the right

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move over the horizontal plane

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and create an offset to the top

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and also an offset to the bottom.

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Let's now release the command by clicking, modify or pressing escape.

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We'll now set up aligned dimensions and make those equal

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as a recap.

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What you'll notice is if we select the two center planes here,

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they are pinned and they define the origin of this family.

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So these can't move these ones here, of course, can move.

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So let's now go ahead and create the aligned dimensions.

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Click the annotate ribbon and then select aligned.

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I'm going to begin by placing the line

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dimensions on these three vertical reference points,

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place them down and then select EQ

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we'll do the same for the three horizontal planes,

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place them down. And again, select EQ

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if we then press escape or select, modify,

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we can now test this. If I select this reference plane on the left hand side,

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I'm just going to hold down the shift key and press the

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right hand arrow or the left hand arrow key on the keyboard.

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And you can see we are now flexing this family

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notice as I move the reference plane to the left and the right,

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the center plane is staying static because it's pinned

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and the EQ dimension there is forcing the right hand plane to move at the same rate.

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So I have symmetry around this.

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And of course, if I do the same for this particular plane here,

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hold the shift key down.

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And this time I'm going to use the up and down arrow keys.

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Again, you can see that changing.

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So we now assign our parameters to these reference planes.

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Let's go and select the annotate ribbon. And again, select aligned dimension

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I'll place in a line dimension here.

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This is going to control the length of the foundation

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and another one here which will control the width.

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We'll go ahead and select, modify or press escape.

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And now if I select this dimension here

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on the context driven, you'll notice we have label dimension.

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Now here, I'll need to create a new parameter.

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So I'll select create parameter.

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And you'll see now we're in the parameter properties dialogue.

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Now, of course, in this video, we are using shared parameters.

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So we'll select the shared parameter option

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and then go ahead and select our shared parameter

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here. You can see that we have our shared parameters that we created earlier.

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And I'm looking here for F length. So we can select, OK,

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notice now that we've assigned this,

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that all these areas are grayed out because

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this is defined in the shared parameter file.

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And we're gonna group this under dimensions.

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Let's go ahead and click. OK.

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We did a similar thing for the width.

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So again, on the ribbon, we can select to create parameter,

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select shared parameter,

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go ahead and select that shared parameter. In this case, it's F width.

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Again, it's going to be a T parameter.

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And all of this is defined in the shared

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parameter file and we'll group this under dimensions.

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And finally, here we'll think about the thickness of our foundation

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to do that in the project browser. We'll go ahead and open up front innovation.

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The reference level is the top of my foundation.

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So I'm going to need to create an additional

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reference plane to set the underside of the foundation

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to do that. I'll go ahead and select the create ribbon

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and select reference point.

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And here I can now create my new reference plane.

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I'm then going to select the annotate ribbon and click aligned dimension.

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We place our dimension.

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I'll select, modify, I'll press escape.

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And once again, I'll create a new parameter

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and assign that to my shared parameter that's

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gonna control the thickness of the foundation.

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So up on the context ribbon, we can select create parameter

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here. We can set up the shared parameter option

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and go ahead and select F thickness

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again. All the settings will stay the same in here

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and click. OK.

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So we now have all of our shared parameters configured and set up.

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We'll now switch back to our ref level.

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We can now physically define the geometry for our pad foundation

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to do this. We can select and create ribbon

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on the create ribbon. I'll select extrusion

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on the context ribbon in the draw panel.

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In this example, I'm going to select rectangle

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and we'll then sketch the rectangle around these reference planes.

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It's very important that we constrain these lines.

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So what's now happening is each of these four

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lines is now constrained to those reference planes.

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I'll then go up to the context ribbon and select finish edit mode.

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We'll open up our front elevation.

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Here's our extrusion if I select the extrusion,

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I'm going to use the shape handles here

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just to control the start and end position vertically for this extrusion.

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So here I can drag this down

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and notice it will then snap onto the reference level

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and I can again constrain that

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I'll do the same for the lower shape handle.

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Again, I've constrained it here

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and I must block the padlock to constrain the extrusion

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to the reference plane.

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We can now test this in the project environment.

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So up on the ribbon, let's go ahead and select load into project and close.

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I'll click. Yes, to save changes to my pad foundation

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again here. You'll notice. Now we're in level two.

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Ideally, I'd want to place this on level one.

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So in the project browser, we'll just double click on structural plans,

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level one to open this up.

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So we now have to go ahead and create our foundation.

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So let's go ahead and select the structure ribbon

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on the structure ribbon. We'll select isolated foundation

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notice in the properties pallet.

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In our type selector, we have our pad foundation active.

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If I move my cursor into the model here,

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we can then go ahead and place down these foundations.