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Curves and Surfaces

(Mesh) , , .

Blender Bezier NURBS (Non Uniform Rational B-Splines). , , (control vertices), , , (control polygon). (Bezier) "" (NURBS), , Catmull-Clark.

Mesh . , Mesh, , (rendering).

Vertex, Mesh.

, , .

NURBS.

- . .

(vertex) (handles) . , .

. .

:

- - Free ( ). . HKEY Free Aligned;

- - Aligned (). . HKEY;

- - Vector (). . VKEY;

- - Auto (). . SHIFT-H.



, .

:

- Auto Aligned;

- Vector Free.

, .

(DefResolU), ( 6).



NURBS

NURBS , , . NURBS :



:

- - Knots. Nurbs , , .
:
Uniform - .
Endpoint - .

- - Order. . 1 - , 2 - , 3 - , . , 5.

- - Weight. Nurbs . , .

.




, NURBS . .

U. - U V. NURBS .

. , , solids EditMode. .

- :
Space>Add>Surface>...



, NURBS NURBS Curve () NURBS Circle (), NURBS - .

. NURBS Curve NURBS 'surface' Curve . extruding skinning ( ).

'surface' Curve, Extrude (EKEY), . Extrude . CKEY U V. (Knots) Uniform Endpoint EditButtons Curve Tools .

(Column) (Row) (Vertex). Blender SHIFT-R (Select Row). U V.

NURBS - , . NURBS .



: 1, 0.25, 2 0.5. EditButtons Curve Tools.



. , NKEY ( N).


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