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Channel Spline

Use Channel to create a closed “C” shaped spline. You have the option to specify the interior and exterior corners between the vertical web and horizontal legs of the section.

  • Create panel > (Shapes) > Extended Splines > Object Type rollout > Channel
  • Default menu: Create menu > Extended Shapes > Channel
  • Alt menu: Objects menu > Extended Shapes > Channel

Example of Channel

Tip: While creating a Channel spline, you can use the mouse to pan and orbit the viewport between steps. To pan the viewport, drag with the middle mouse button or scroll the mouse wheel. To orbit the viewport, hold down Alt and drag with the middle mouse button or scroll the mouse wheel.

Procedures

To create a channel:

  1. Go to the Create panel and turn on (Shapes).
  2. Open the Shapes List and select Extended Splines.
  3. Click Channel.
  4. Drag and release the mouse button to define the outer perimeter of the channel.
  5. Move the mouse and then click to define the thickness of the walls of the channel.

Interface

Rendering and Interpolation rollouts

Most spline-based shapes share these parameters. For details, see Rendering rollout and Interpolation rollout.

Creation Method rollout

The Channel shape offers the standard creation-method choice: Center or Edge. For details, see Creation Method rollout.

Keyboard Entry rollout

Creates a Channel spline from the keyboard. Use the X/Y/Z settings to specify the center point, and the remaining parameters to specify the dimensions, then click Create. After creating the spline, you can use the Parameters rollout controls to adjust its settings (see following).

Parameters rollout

Length

The height of the vertical web of the channel.

Width

The width of the top and bottom horizontal legs of the channel.

Thickness

The thickness of both legs of the angle.

Sync Corner Fillets

When on, Corner Radius 1 controls the radius of both the interior and exterior corners between the vertical web and horizontal legs. It also maintains the thickness of the channel. Default=on.

Corner Radius 1

The exterior radius between the vertical web and horizontal legs of the channel.

Corner Radius 2

Controls the interior radius between the vertical web and horizontal legs of the channel.

Note: Take care when adjusting these settings. There are no constraining relationships between them. Therefore, it's possible to set an inside radius (Corner Radius 2) that is greater than the length of the web or width of the legs.
Parent topic: Extended Splines

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