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Control Panel > Curvature

    Table of contents
    1. 1. Curvature options

    Checks curvature on curves and surfaces with combs and min/max locators.

    Use the curvature icon to view and modify curvature combs. You can view a curvature comb on a curve, or on a surface in the U and V directions.

    Note

    You only see the curvature comb display if either a curve or a surface is selected, and Curvature U and/or V is turned on in the Display section of the Control Panel.

    Curvature combs can also be displayed on a surface cross sections through the Cross Section Editor options. See Windows > Editors > Cross Section Editor.

    To view a surface curvature as a color map on the surface, use the Curvature Evaluation mode under Diagnostic Shading on the Control Panel.

    See Curvature Evaluation.

    Curvature options

    To see the curvature options (at the bottom of the Control Panel), first select a curve or surface, then click the Curvature icon in the Modeling Control Panel.

    Note

    These options also apply to curves or surface curves selected while using the Locators > Curve Curvature tool (in addition to options located in the tool’s own option box).

    Comb Scale

    This option scales the length of the curvature combs.

    It also applies to the curvature combs on cross sections.

    Samples

    The sampling density per curve, that is the number of quills on a curvature comb. Increasing the samples results in a finer curvature comb.

    This option also applies to the curvature combs on cross sections.

    Spacing

    This option only applies to surfaces.

    Length – Evenly space the curvature combs along the length of the surface (in U or V direction). The numbers of combs (for U and V respectively) are given by the values typed in the Number text fields.

    Parameter – Place the curvature combs only on isoparametric curves (in U and V direction).

    Number

    Set the number of curvature combs on the surface in each direction.

    Radius Min/Max

    Click the check boxes to turn on or off locators displaying the points of Minimum and Maximum radius of curvature. These correspond to the points of maximum and minimum curvature respectively.

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