Amazon VERSION 2.0V1 Manual do Utilizador descarregar pdf (Página 3)

APPENDIX A: RELEASE NOTES

Ocula 3.0v1

128

The Foundry

Ocula 3.0v1

matches with large disparities and spot bad matches. Decrease the

offset to set the disparity of matches to zero to examine the vertical

offset at each feature. Increase and decrease the offset interactively

to view which matches do not move horizontally and are bad matches.

• There is now an Error Threshold control that lets you select matches

with a vertical error greater than the threshold when Display is set to

Preview Alignment. This allows you to delete bad matches with large

errors at keyframes and recalculate the alignment.

• The influence of user matches has been increased and can now be

previewed directly in the Preview Alignment display.

• The right-click menu in the Viewer has been changed to provide access

to the Display options and the Match Offset value. Shortcut keys have

also been added.

For more information, see Solver on page 10.

• O_DisparityGenerator

• O_DisparityGenerator has been rewritten to deliver cleaner and more

accurate disparity vectors. This leads to improved results in picture

building operations, such as O_ColourMatcher, O_NewView, and

O_InteraxialShifter.

• The controls have been simplified.

• Disparity vectors now have a user-controlled weighting to match the

alignment data from an upstream O_Solver.

• BUG ID 21787 & 22331 - Added new Parallax Limits with Negative

and Positive controls. Negative sets the maximum negative parallax in

pixels. Positive sets the maximum positive parallax. There is also an

Enforce Disparity Limits control, which is off by default. The workflow

is to review the disparities (you can use O_DisparityViewer

histograms). If there are some incorrect disparities that are too large,

switch on Enforce Disparity Limits and set the limits in terms of pixels.

• BUG ID 22430 - This node now has Fg and Ignore mask inputs. Use the

foreground mask to calculate vectors for a specific foreground

element and the ignore mask to exclude regions from the vector

calculations.

For more information, see DisparityGenerator on page 24.

• O_ColourMatcher

• There’s a new 3D LUT algorithm to calculate local colour updates in

occluded regions defined by the new O_OcclusionDetector plug-in.

• There is a new Export 3D LUT button. When you use O_ColourMatcher

in 3D LUT mode, this allows you to output the colour correction to a

.vf file that you can use in Nuke’s Vectorfield node.

• In the Local Matching mode, there is a new Occlusion Compensate

checkbox that allows you to correct the colour in occluded regions

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