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Part III: Modeling Basics



                           Another handy Ribbon tool for cutting holes is the PConnect, which stands for Paint Connect. This tool lets
                           you paint the location of a hole on the surface. As you paint, every edge that you cross is marked and new
                           edges are created between adjacent marks. By holding down the Shift key, you can make the connections
                           happen in the middle of each edge. Holding down the Ctrl key lets you paint new edges between adjacent
                           vertices. Clicking on a vertex with the Alt key held down removes the vertex, and the Ctrl+Alt keys together
                           removes an edge. The Ctrl+Shift key is used to remove an entire edge loop, and the Shift+Alt keys are used
                           to paint two parallel lines between edges.
                    Tip
                    Help videos are available for some tools, such as PConnect. These videos are located in the tooltips for the tool
                    and appear when you hold the mouse over the tool. n

                           NURMS
                           The Edit panel also includes a NURMS button. NURMS stands for Non-Uniform Rational MeshSmooth. It
                           produces similar results to the MSmooth button, but offers control over how aggressively the smoothing is
                           applied; the settings can be different for the viewports and the renderer. When NURMS is enabled, the Use
                           NURMS panel, shown in Figure 14.10, appears.


                      FIGURE 14.10
                    The Ribbon’s Use NURMS panel include controls for NURMS subdivision.
                    Show Cage

                      Isoline Display
                            Update
















                           Cage Selection Color
                      Cage Color

                           To enable NURMS subdivision, you need to enable the Use NURMS Subdivision option. The Smooth Result
                           option places all polygons into the same smoothing group and applies the MeshSmooth to the entire object.
                           Applying NURMS with a high Iterations value results in a very dense mesh, but the Isoline Display option
                           displays a simplified number of edges, making the object easier to work with. The process of smoothing
                           adds many edges to the object, and the Isoline Display option displays only the isolines. The Show Cage




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           21_617779-ch14.indd   408                                                                     6/30/10   4:23 PM
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