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The Harmonize capability computes the harmonization of the
control points according to the following harmonization options:
- Blend: aligns the internal control points imposed by the
external control point rows. It creates a smooth transition between each
control point row.
Using this option, internal control points are no more manipulated, as
their position is imposed by external ones.
- Mean plane: computes a mean plane defined by three points:
the first point of the current manipulated row, the end point of this
latter, and the barycenter of all the points of this row. If all the
control points of the row are not already coplanar, they are projected
onto this mean plane. This plane is automatically recomputed each time a
control point is moved.
- 3-Points plane: this option is similar to the Mean
plane option, but the mean plane is computed using current
manipulated point, instead of barycenter. As a result, as soon as the row
is projected onto this plane, the point is constrained to move along the
direction defined by the intersection of the plane containing its U row,
and the one containing its V row.
- Screen Plane: this option is similar to the Mean
plane option where all the control points are projected on a plane.
The screen plane is defined by the following options:
- The center of gravity of the points of the current row
as origin
- Two directions:
- The screen direction
- The line between start and end points of the
current row.
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