Tube SOP

Summary

The Tube SOP generates open or closed tubes, cones, or pyramids along the X, Y or Z axes. It outputs as meshes, polygons or simply a tube primitive.

Parameters - Tube Page

Primitive Type `type` - - Select from the following types. For information on the different types, see the Geometry category articles.

• Primitive `prim` -
• Polygon `poly` -
• Mesh `mesh` -
• NURBS `nurbs` -
• Bezier `bezier` -

Connectivity `surftype` - - This option is used to select the type of surface, when using a Mesh Primitive Type.

• Rows `rows` - Creates horizontal lines.
• Columns `cols` - Creates vertical lines.
• Rows and Columns `rowcol` - Both Rows and Columns. Looks like Quads in wire frame display, but all polygons are open (if the primitive type is polygon).
• Triangles `triangles` - Build the grid with Triangles.
• Quadrilaterals `quads` - Generates sides composed of quadrilaterals (default).
• Alternating Triangles `alttriangles` - Generates triangles that are opposed; similar to the Triangles option.

Orientation `orient` - - Primary axis of tube (long axis).

• X Axis `x` -
• Y Axis `y` -
• Z Axis `z` -

Modify Bounds `modifybounds` -

Center `t` - - Location of the tube center from the object origin.

• X `tx` -
• Y `ty` -
• Z `tz` -

Radius `rad` - - The first field is the radius of the top of the tube and the second field represents the radius of the bottom of the tube.

• `rad1` -
• `rad2` -

Height `height` - The height of the tube.

Parameters - Detail Page

Imperfect `imperfect` - This option applies only to Bzier and NURBS types. If selected, the tube is an approximated nonrational curve, otherwise it is a perfect rational curve.

Rows `rows` - Number of rows in tube.

Columns `cols` - Number of columns in tube.

U Order `orderu` - If a spline surface is selected, it is built at this order for U.

V Order `orderv` - If a spline surface is selected, it is built at this order for V.

End Caps `cap` - If selected, it adds faceted end caps to the ends of the tube.

Texture Coordinates `texture` - - Adds UV texture coordinates to the sphere.

• Off `off` - No UV coordinates added to surface.
• Row & Columns `rowcol` - Adds vertex UV coordinates.

Compute Normals `normals` -

Operator Inputs

• Input 0 -

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An Operator Family that reads, creates and modifies 3D polygons, curves, NURBS surfaces, spheres, meatballs and other 3D surface data.

A surface type in SOPs including polygon, curve (NURBS and Bezier), patch (NURBS and Bezier) and other shapes like sphere, tube, and metaball. Points and Primitives are part of the Geometry Detail, which is a part of a SOP.