![]() In addition to the search tool, we have a link to the Rhino Help file. I even find myself using this quite a bit. So I just type in rotate there and this shows me anywhere in the whole menu system where rotate comes up and for a program like Rhino where there are a lot of different commands, this is really, really useful. So this lets me search through all of the commands in the menu bar. And last, but not least, we have the Help menu and there are a couple really great features here, one of which is the search component. The Window menu lets us show, hide, and arrange different parts of the interface. The Render menu gives us tools for adding color and lighting to geometry and generating really good looking renders. The Analyze menu gives us tools for analyzing things like curvature, mass of an object, and especially when it comes to sort of engineering applications those can be really handy tools. So especially things like object snapping, lists of commands, these are really, really helpful and as we get into more advanced modeling techniques we will take a closer look at those tools. The Tools menu gives us some really great options that are sort of modeling aids. And Transform gives us tools for moving, copying, rotating, manipulating the geometry that we have already drawn in our Rhino file. The Dimension tools give us options for measuring things like length, things like area. Now, most of the things that we make in Rhino are made of what is called nerves geometry and we'll talk about the difference between the two in a later chapter but just know for now that they are different and under the Mesh menu we have tools for dealing with those polygonal meshes. The Mesh menu gives us tools for editing polygonal meshes. Things like Boxes, Spheres, Cylinders, Cones. The Solid menu gives us tools for drawing fully enclosed shapes. Under Surface we have tools for drawing single surfaces, either flat or three dimensional. Under the Curve menu we have tools for drawing straight lines and curved lines, both flat and in two dimensions. ![]() We also have the View menu and this gives us tools for organizing the overall layout of all the different panels, in addition to controlling how we view the geometry of our file in the viewport. Things like File New, File Open, Edit, Cut, Copy, Paste, things like that. In addition, of course, to the very standard menu items that you will find in any program. So lets start all the way at the top with the menu bar and here we have all of the different Rhino commands grouped together by function. So I've gone ahead and opened up an exercise file, rhino-interface.3dm just so we have a little something to look at as we go through the different components. To make commands that normally create extrusions create traditional polysurfaces, select the Polysurface option.- Lets look a little more in depth at the Rhino 5 for Mac Interface. The UseExtrusions command controls the use of lightweight extrusion objects. If the same objects are made in Rhino as lightweight extrusion objects, these models are more responsive and more memory is available. In models containing large numbers of extrusions represented by traditional polysurfaces, performance can be sluggish due to the relatively high demand on resources. Lightweight extrusion objects use less memory, mesh faster, and save smaller than the traditional polysurfaces. These objects will be converted to polysurfaces by some commands if necessary to add additional information for editing. Extrusion objects can be closed with a planar cap or open. ![]() The Box, Cylinder, Tube, ExtrudeCrv, and ExtrudeSrf commands create extrusion objects. ![]() Light-weight extrusion objects use only a profile curve and a length as input instead of the network of isocurves normally needed for NURBS objects. Polysurfaces (red) extrusion objects (blue).
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