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In Rhino 4.0 Essential Training, author Dave Schultze shows how the 3D NURBS-based modeling tools in Rhino 4.0 are used to engineer products from toy robots to full-sized aircraft. This course concentrates on using Rhino 4.0 for industrial design and rapid prototyping, with a review of common 3D terminology using specific examples. Along with a comprehensive exploration of the Rhino interface, the course includes an introduction to building 3D objects with Rhino's three primary entities: the curve, the surface, and the solid. Exercise files are included with the course.
In this video, we will learn how to navigate the Viewports via panning, zooming and rotating. Two items to note first; Number one: Ortho Viewports can only pan and zoom, while the Perspective Viewport can pan, zoom, and rotate. Number two: these navigational skills are surprisingly important. If you consider that the interface is only showing you a 2D representation of a 3D model, it is critical to understand how your project will look in the real world. And the best way to do that is by constantly changing your view, whether it's for visualization or just to work on different parts.
We will start up by panning in the Right view - several ways to do this like most of the Rhino commands. We've got a View menu, and there's the Pan, Zoom and Rotate right up close to the top. We've got some icons for Pan, Rotate and Zoom. We've got the same commands when you right- click on the Viewport: Pan, Zoom and Rotate. Then you have to go down a bit. But we are to focus on the keyboard shortcuts that will be most effective for your workflow. So, to Pan in the Right view, I am going to hold down the Shift and my Right Mouse Button.
You're going to hold and drag to move them around. Okay, we are going to do same operation here in the Perspective Viewport, Shift and Right Mouse Button, and you can Pan 3D Perspective Viewport side to side. Okay, next up is zooming. If you have a three-button mouse with a scroll wheel in the center, just scroll the wheel in or out, works the same on the Ortho Viewports. Or the keyboard shortcut is Ctrl+Right Mouse Button.
Okay, now let's focus on the Rotate, which is the last way to manipulate the Viewport. This keyboard shortcut is Ctrl+Shift+ Right Mouse Button, and you can rotate around. You cannot, or should not do the rotation in any of the Ortho Viewports. I'll show what happens. You have really screwed it up, so we are going to have to show you the quick reset. We are going to right-click on the Viewport label > Set View and just re-select the same name that's already there, which is Right view.
It'll straighten it back out to as in Ortho Viewport. I want to maximize the Perspective Viewport here by double-clicking, and show you another common problem is when you zoom out and do a few rotates, you get almost completely lost. A great way to fix this is just to select any object, and then there is a Zoom Selected button. That not only brings it front and center, but that is you new center of rotation, so it does two things at once. Now if you zoom in and want to get back out quickly, that same button with a Right Mouse click will zoom back to the extents of the scene.
So, those are the conventional methods to do Zoom, Pan and Rotate using the keyboard and Right Mouse button. But if you have a 3D navigator, like the SpacePilot, you would be able to do all of those motions much more smoothly. So, the sooner you can master the basic Viewport navigational skills, the sooner you will be more comfortable with the software and productive with your modeling. Remember, all three navigation commands are implemented via the Right Mouse Button and a combination of Ctrl, Shift and Ctrl+Plus+Shift.
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