| Because Non-uniform rational basis spline (NURBS) can | | | | Complex NURBS models tend to slow MAX down |
| actually incorporate simple shapes to build complex | | | | quite a bit. There is no way around this except to |
| geometry, there are some handy techniques that | | | | hide sections of the model that you are not working |
| you can use when you are building NURBS objects. | | | | on. After you have decided, at least tentatively, on |
| When using Point curves, you can reduce the overall | | | | which modeling method to use, you can begin to |
| amount of computing resources taken up by the | | | | figure out how to model your design. Whether you |
| model by keeping the number of points relatively low. | | | | opted for Polygons, NURBS, or a combination, you will |
| In other words, do not add any extra points if the | | | | next need to determine where on your model is the |
| shape does not need it. Like splines, however, NURBS | | | | right place to start. |
| curves need extra points if you need more detail. | | | | When looking for a starting point, ask yourself, |
| The curves will not render smoothly unless you add | | | | "Where is the foundation?" For an architectural |
| points to them. It is not until a NURBS curve | | | | design, it is often the actual foundation or at least a |
| becomes a surface does it actually render | | | | floor plan. Rarely would you start to build a house by |
| smoothly-as part of the surface instead of an | | | | constructing the roof first. For a character, you |
| independent spline. | | | | would usually start at the center of gravity and work |
| Remember that you can convert normal Bezier | | | | outward. |
| splines into NURBS curves by using the attachment | | | | For a mechanical design, you would often start with |
| method. | | | | the smaller, essential component and build outward. |
| However, most attached splines require that you use | | | | Whatever your situation calls for, it is safe to say |
| the Join command to connect all the broken points. | | | | that starting from some foundation point for |
| When starting out with or eventually working with | | | | modeling is the most sure-fire way to begin the |
| complex NURBS surfaces, you will find that it is best | | | | modeling process. |
| to work one section at a time. | | | | |