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In this course, author George Maestri explains how to model and render 3D objects and scenes using Google SketchUp 8. The course covers the fundamentals of the application, from navigating the user interface, manipulating objects, and building basic shapes to importing objects from Google Earth, animating a scene, and modeling organic terrain using the Sandbox tools. The course also explores SketchUp Pro features, which are available as an upgrade. These include tools for creating dynamic components and adding interactivity, as well as sophisticated importing and exporting options for working with outside applications.
Now let's do one more little thing with our steps and let's have a configurable Rise and Run of our steps. In other words, let's go ahead and make the steps themselves a little bit more configurable. Now I have my steps here and let's go ahead into my Component Options here, and in this case I've turned my Rails Off because I just want to deal with the steps. So I'm going to turn my Rails Off for now, and let's go ahead and start playing with the rise and the run of the steps.
So if I go into my Component Attributes window, you'll notice I have a number here for the Rise which is how much the step goes up and the Run, which is how much the steps are based on the horizontal scale. So if we want we can very easily just reveal these to the user and have the user type in whatever number they want. So I'm going to go into my Details here and just say Users can edit from a textbox and then let's go ahead and make sure we Display in End user's model units, which means inches if you're using inches or meters whatever you want to use.
And let's do the same for Run. Edit this textbox, End user's model units. So now once I've done that if we go into the Component Options window, you'll see now I have a user configurable Rise and Run. So if I want to I can increase the Rise, maybe say 7 inches, maybe make a bigger Run, say 13 inches.
And notice now when I create a longer run the number of steps reduces. So if I go back to 11 we have four steps and if we have 13 inches we only have enough room for three steps. So you can actually see how that affects the number of steps we have. One of the things I find that if we have say an abnormally lower number, say if we have a four inch Rise, you're going to start getting problems here. Some of these objects are going to be poking through the other ones, and we can fix that by using scale to actually scale the steps a little bit bigger as the Rise and Runs get longer or shorter.
So I'm going to go ahead and put this back to 6 inches here. Let's go back into our Component Attributes window here, and so what I want to do is stretch and scale the step along its length and its height, so along Y is along the axis of the Run and along Z is along the axis of the Y. So let's go ahead and use the Y axis first.
So Right now, I have the whole step is 16.5 inches, and what that means is that this step here is 16.5 inches from the front of the step to the back of this support. So the step itself is 11 inches. So what I need to do is multiply this by the ratio of the Run to 11 inches. So if I go into formula as you can see this is equal to 16.5 inches, so when I multiply that by the Run divided by 11.
Now I know that 11 is kind of my normal number, so if this goes higher, let's say we do 13 or 14 it's going to multiply this and increase the number. If this goes lower, let's say we have 10 or 9 inches then it's going to reduce this accordingly. So if I hit Return then it should work, let's go ahead into our Component Options and now let's go ahead and change our Run.
So let's change our Run to a large number, say 15. And as you can see these steps are stretching, so if I make this a little bit smaller, say an 8 inch, you can see how these steps are shrinking now. So now we can do the same thing for the Rise of the steps as well. So I'm going to Right-click here, go back into my attributes, and we can do almost exact same formula for the other one. So what we've got here is for Z, we can say is equal to this, times my Rise, and Again, my normal number for that is six, and that should do it.
So now if my Rise is small, say a four inch rise you can see how the steps shrink accordingly, and if we had a very long Run, let's say 16 inches again, so now we've got a lot more control over these steps. So if I want to I can stretch them, and then I can maybe bring the Rise in and so on and so forth. So as you can see by using just some very clever formulas you can have much more configurable staircases.
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