RHINO network camera Manual do Utilizador descarregar pdf (Página 6)

TOOLS

Curves

Alias has three types of curves: NURBS Curves, Blend Curves, and Keypoint Curves.

NURBS - this is the most used curve type in Alias. It is

also described as a freeform curve.

NURBS curves can be drawn by placing Control

Vertices (CVs) or Edit Points (EPs) or by drawing them

freehand (Curves > New Curve > New Sketch Curve).

Blend Curve – is a NURBS Curve with special

constraint points (blend points) that provide different

manipulation tools for curve placement, and alignment

with construction history. These curves display in green

by default with crosshair anchor points.

Blend Curves have their own toolbox.

Blend Points can either be edited through the Blend

Tools toolbox or with Pick > Point Types > Blend Point

and Transform tools

Keypoint Curve – is a NURBS Curve with special

constraints to generate CAD-like lines and arcs. These

curves display in blue by default with square anchor

points.

Keypoint curves have their own toolbox.

The extra CAD-like information is accessible in the

Information Window.

Keypoints can only be moved interactively using the

Drag Keypoints tool in Curves > Keypoint Curve

Toolbox.

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RHINO network camera Manual do Utilizador Página 6