Knowing the elements that make up a NURBS curve in uMake can be helpful when working with the curves and understanding how they are put together. This video walks you through what control points are and how they can be used.
0:00:00.669,0:00:06.360 Curves drawn with the precision tool or the pen tool can be edited after they are sketched. 0:00:06.360,0:00:10.830 All curves created by these tools are what are known as NURBS Curves. 0:00:10.830,0:00:16.080 This means they are a mathematically calculated curve that exists between a set of points. 0:00:16.080,0:00:19.000 We call these points control points. 0:00:19.000,0:00:21.359 Try drawing a curve that looks like this. 0:00:21.359,0:00:25.340 Now tap on it once to enter into edit mode. 0:00:25.340,0:00:30.890 You can also double tap to select it, and then tap "Edit" in the side menu. 0:00:30.890,0:00:34.600 Once in edit mode you will notice control little points along the curve. 0:00:34.600,0:00:39.370 You'll also notice these points have different colors: Green points represent end points. 0:00:39.370,0:00:42.809 A white point is a control point. 0:00:42.809,0:00:48.659 A solid blue point indicates a connection -- where two curves have connected. 0:00:48.659,0:00:52.829 And if you tap on any point, you will notice it will turn yellow and show you controls 0:00:52.829,0:00:53.829 to move it. 0:00:53.829,0:00:57.850 We will cover how to edit curves in the next video. 0:00:57.850,0:01:00.829 Between the points you will notice dashed lines. 0:01:00.829,0:01:06.420 These are the 'Hull' of the curve, and basically show the rough straight geometry between the 0:01:06.420,0:01:08.880 control points.