Sweep

Summary

The Sweep turns curves into polygons, with many output options. You can create tubes, square profiles, or use custom cross-sections from a second input. The operator provides extensive control over orientation, twist, scaling, and color along the curve path.

Parameters

Page: Orient Curve

Reorient Curve Reorientcurve – Enables curve reorientation.
Invert N Invertn – Inverts the normal vector direction.
Custom First Tangent Customfirsttangent – Enables custom first tangent vector.
First Tangent Firsttangent – – Custom first tangent vector direction.
First Tangent Firsttangentx
First Tangent Firsttangenty
First Tangent Firsttangentz
Twist Amount Twistamount – Amount of twist to apply along the curve.
Open Twist Ramp Twistramp – Opens the twist ramp editor.
Reset Ramp Resetramp – Resets the twist ramp to default.
Ramp TOP Twist Ramptoptwist – Reference to an external Ramp TOP for twist control. When specified, overrides the internal ramp editor.
Twist Per Curve Twistpercurve – Applies twist independently to each curve.

Page: Surface

Surface Shape Surfaceshape – – Type of cross-section shape to use.
Second Input Cross Sections input
Round Tube tube
Square Tube square
Width Width – Width of the swept surface.
Columns Columbs – Number of columns for round tube cross-section.
Round Corners Roundcorners – Enables rounded corners for square tubes.
Corner Radius Cornerradius – Radius of rounded corners.
Corner Sides Cornersides – Number of sides for rounded corners.
Scale Cross Sections Scalecrosssections – Scale factor for input cross-sections.
Skin Skinops – – Skin primitive method.
All Primitives all
Groups of N Primitives group
Skip Every Nth Primitive skip
N Inc – N value when skinning groups of N input primitives or every N input primitives.
Closed Surface Closedsurface – The last vertex is connected to the first vertex.
Output Quads Outputquads – Whether to output quad primitives instead of triangle primitives.
Apply Scale Along Curve Applyscale – Enables scale variation along the curve.
Open Scale Ramp Scaleramp – Opens the scale ramp editor.
Reset Scale Ramp Resetscaleramp – Resets the scale ramp to default.
Ramp TOP Scale Ramptopscale – Reference to an external Ramp TOP for scale control. When specified, overrides the internal ramp editor.
Scale per Curve Scalepercurve – Applies scale independently to each curve.
Apply Color Along Curve Applycolor – Enables color variation along the curve.
Open Color Ramp Colorramp – Opens the color ramp editor.
Reset Color Ramp Resetcolorramp – Resets the color ramp to default.
Ramp TOP Color Ramptopcolor – Reference to an external Ramp TOP for color control. When specified, overrides the internal ramp editor.
Color per Curve Colorpercurve – Applies color independently to each curve.
Generate Vertex Normals Generatevertexnormals – Generates vertex normals for the output geometry.
Max Number of Primitives per Point Maxprimsperpoint – Maximum number of primitives a point can be part of in the input geometry.
Angle Anglenormal – For vertex normals, the threshold angle between faces above which the shared edge vertices don't share normals.

Page: Attributes

From Backbone Curves Frombackbonecurves – Attributes to transfer from backbone curves.
From Cross Sections Fromcrosssections – Attributes to transfer from cross-sections.

Page: Common

Bypass Bypass – Pass through the first input to the output unchanged.
Free Extra GPU Memory Freeextragpumem – Free memory that has accumulated when output memory has grown and shrunk.

Inputs

Input 0 – POP – Backbone Curves
Input 1 – POP – Cross Sections

Outputs

Output 0 – POP – POPX_out1