OpenUtilities Substation Help

Extract Iso-Curves

(3D only) Used to extract a B-spline curve(s) from a solid or a B-spline surface.

You can access this tool from the following:

  • Ribbon: Modeling > Surfaces > Surface Utilities > Extract > Iso-Curves
  • Ribbon: Drawing > Home > Placement > Create Curves split button
  • Toolbox: Surface Utilities

Extract Sets the objective of the tool.
  • Single Curve — Extract a curve that has a constant parametric u-value (iso-curve in the u-direction) or constant parametric v-value (iso-curve in the v-direction). The u-value or v-value is the specified Iso Value. The u-direction is the direction in which the data points that defined each row were entered; the v-direction is the direction in which the columns were defined.
  • Multiple Curves — Extract a set of curves that are spaced evenly on the surface in both directions.
Iso Value (Extract set to Single Curve only) If on, sets the iso value of the extracted curve.
Numbers U/V (Extract set to Multiple Curves only) Sets the number of curves to extract from both parametric u- and v- directions.
Ignore Trim Region(s) (Extract set to Multiple Curves only) If on, the curves are trimmed by the B-spline trim curves, if any.