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Description
Preset
Creates four points in the corners of the image.
Use this default preset to do a simple keystone.
Keystone
Creates four points in the corners of the image
and
two points at the
centers of the
horizontal
borders.
Use this preset to map a horizontally curved screen or cylinder.
Horizontal
Creates four points in the corners of the image
and
two points at the
centers of the
vertical
borders.
Use this preset to map a vertically curved screen or cylinder.
Vertical
Creates nine points resulting in the intersection of the horizontal and
vertical borders and centers.
Use this preset for more complex mapping (for example, a dome) or
image correction. More points will likely need to be added.
Grid
Table 8.1. Warping control presets
Reset
Recreates the original preset configuration of control points,
and resets the positions of the control points to their original
positions.
Tangent Lock:
Locks the tangents of a control point, so that they are not ad-
justed when the control point or its neighbor is moved.
When locked, the tangents move if the control point is moved,
but they are not kept in the same relative orientation and
length from their neighbors. When unlocked, a tangent's length
and direction are adjusted to preserve the same relation to its
neighbor.
For example, when unlocked, a tangent that points directly
toward a neighbor—thereby creating no curve between the
point and the tangent—never creates a curve between a point
and its neighbor, when either the point or its neighbor is
moved.
Tangent Lock can be set independently for both horizontal
and vertical tangents.
Tangent Symmetry:
Enables Tangent Symmetry, so that moving a tangent on the
axis also moves the opposite tangent symmetrically.
When enabling symmetry on non-symmetrical tangents, they
are adjusted so that they are symmetrical.
Tangent Symmetry can be set independently for both horizont-
al and vertical tangents.
Barco Pn: 60600325
210
Section 8: Features
Barco Media Server XPR-Series User Guide
Содержание XPR-600
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