What are control points in Rhino?

What are control points in Rhino?

What are control points in Rhino?

The PointsOn command displays control points. Control points are coefficients of NURBS basis functions. Sometimes also called control vertex or node. Control points are used as “grips” on objects such as curves, surfaces, lights, hatch boundaries, and dimensions and cannot be separated from their objects.

How do you select points in Rhino?

Drag mouse like a brush stroke to select points and control points.

How do you manipulate Polysurface in rhino?

You can, in Rhino, select faces by Ctrl-Shift click (Sub-object select) and then use Move, or Gumball (Set Gumball to orient by object) to move the faces. You can also use SolidPtOn. Keep in mind that things can get squirrely pretty quickly if the faces get twisted up.

How do you select a point on a surface in Rhino?

Select points Add the previous control point in the u-direction to the selection. Add the previous control point in the v-direction to the selection. Select the control point in the positive u-direction. Select the control point in the positive v-direction.

How do you add control points?

Steps

  1. Select a curve or surface.
  2. Pick a location for the control point or control point row. Inserting control points affects the shape of the curve or surface. The InsertKnot command does not change the curve or surface shape.
  3. Press Enter to complete the command. Your browser does not support the video tag.

How do you plot points in Rhino?

Create points from objects Place a point object at the start of a curve. Place a point object at the end of a curve. Change the seam (start/end) location on closed curves. Create point objects along a curve by the number of equal length segments or segments of a specified length.

How do you change solid points in Rhino?

Select points Select all point objects, control points, edit points, and solid points. Add the next control point in the u-direction to the selection. Add the next control point in the v-direction to the selection. Add the previous control point in the u-direction to the selection.

How do you manipulate Polysurface Rhino?