Defining Tangent and Perpendicular Constraints

Tangent Constraint and Perpendicular Constraint defines tangent and perpendicular constraints in a 2D geometry. If the object is already reconstructed, the constraints can be defined on the 3D model. The constraint is taken into account to ensure the tangency or perpendicularity of the selected objects.

This task shows you how to:

Before you begin:
  • Draw the 2D shape of your image.
  • Define the correspondences between your images.
  • Define the symmetries.

 

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More help on this topic

Define Perpendicular Constraint

  1. Select the two adjacent curves for which you want to define as perpendicular.
  2. Click Display Constraints to hide or display the constraint.

    Note: You can change color of the constraint using the Constraint color option from the Display Constraint section in Me > Preferences > App Preferences > 3D Modeling > Digitized Shape > Photo to Shape > General. .

Define Tangent Constraint

  1. Select the two adjacent curves for which you want to define a common tangent.
  2. Optional: To edit a constraint in 2D:
    • Click the tangent.
    • drag the manipulators to modify the tangent direction and tension.
    The curves, displayed in white, are updated according to the constraint.
  3. Click Display Constraints to hide or display the constraint.