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Creating a Distance constraint

Lesson 2: Solving with survey data

Registering a solution

 

Learning Resources > Tutorials > Getting Started with Maya > Live > Lesson 2: Solving with survey data > 

Creating a Plane constraint

In addition to the space between locators, you may want them to be repositioned within the scene. For example, you may want the flower locators in the solution to rest on top of the perspective view grid, just as the flowers in the shot rest on the ground. In the current solution, the flower locators rest below the grid.

A convenient way to bring points onto the grid is to use a Plane constraint, which aligns locators onto a plane.

To create a Plane constraint for the ground

1. Choose Plane from the Constraint Type menu.
2. Select the following track points in the Outliner under clip1TrackedPointVisibilityGroup > clip1TrackedPointGroup:
   • flower1
   • fenceCorner
   • flower2
   • tileInFront

   In the shot, these points correspond to points on the ground.

3. Click Create. Live places the Plane constraint on the perspective view grid by default.
4. In the Solve Survey control panel, change the Name setting to ground. Because you will later create another Plane constraint, you should give this constraint a unique name.