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Curve from Object

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Project

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The Project command moves the Closedinput objects in the defined direction toward the Closedtarget objects to find the intersection.

Input

  • Curve, Point object

  • Control point, Edit point, Mesh vertex

  • Surface/Mesh edge

  • SubD control polygon edge/point

  • SubD surface point/edge (Pre-select with Ctrl+Shift)

Target
  • Surface, Polysurface, Mesh, SubD
Output
  • Curve, Point object

Steps

  1. Select curves and points to project.
  2. Select the target object.

Note

  • You can select all the projection objects and target surfaces before starting the command.
  • The curves are projected vertical to the construction plane that is active when the surface selection is completed.
  • If the projection misses the selected surfaces and polysurfaces, a curve will not be created. Make sure the correct construction plane is active when you select the surfaces.
  • The Pull command will suck the curve back toward the surface by closest points. The Project command will not work in situations where you want to pull a curve onto a cylinder when the curve goes most of the way around the cylinder. Use the Pull command in this case.
  • The Project command creates complex curves that can be simplified with the Rebuild command. You will need to be careful with the Rebuild command and use enough points to keep the curve trimmable.
  • The Project command can be faster than Extrude followed by Trim or Split.
  • Smooth projection curves create smooth trim curves. Basic shapes like ellipses, circles, lines, and free-form curves work well for projection curves.

Command-line options

Loose

Projects edit points toward the specified direction onto the surface.

Loose projection will fail if the result wraps to the other side of the target surface.
DeleteInput

Deletes (Yes) or keeps (No) the input object.

OutputLayer

Specifies the layer for the results of the command.

Current

Places the results on the current layer.

Input

Places the results on the same layer as the input.

  • If the input object is in a model that is attached using Worksession, the object will be placed on the current layer.
TargetObject

Places the results on the same layer as the target surface.

Direction

Specifies the direction for the projection. These settings are saved during your editing session.

CPlaneZ

Projects objects in the construction plane z direction.

View

Projects objects in the view direction.

Custom

Pick two points to specify the projection direction.

Hidden command-line options

IP

Type "ip" for InfinitePlane options.

SubCrv

Type "subcrv" to select part of a curve as input.

See also

Create curves from other objects