• Julien Finet's avatar
    Add point edition in vtkControlPointsItems · 1d697d31
    Julien Finet authored
    -You can edit control points in 2 fashions:
     If vtkControlPointsItem::StrokeMode is true, you can "draw" points while
    the left mouse button is down, it will add control points under the mouse
    cursor.
     If vtkControlPointsItem::StrokeMode is false, you can drag&drop existing
    points. SwitchPointsMode control the behavior to follow when a point
    crosses another.
    In both modes, if you click the left button mouse not on a point, a point is
    created under the mouse cursor.
    -Add vtkCompositeControlPointsItem to mix ct function and opacity function.
    It creates points for Color Transfer and Opacity
    functions.Both functions will share the same control points.
    -Add vtkControlPointsItem::EditPoint to control midpoint and sharpness
    -Support null transfer functions in the ScalarsToColors items
    1d697d31
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