Sapphire Plug-ins for Autodesk: FlashbulbsMask

FlashbulbsMask

Simulates lots of flashbulbs going off. With many small flashes, can look like a stadium scene. With a few large flashes, works well on a celebrity red carpet clip. A Mask is used to restrict the flashes to a certain area of the image.

Inputs:

Back: The clip to use as background.

Mask: Used to restrict the flares to a certain area of the image. Areas where this is white will get flashbulbs; black areas will be get no flashes.

Parameters:

Load Preset: Push-button .
Brings up the Preset Browser to browse all available presets for this effect.

Save Preset: Push-button .
Brings up the Preset Save dialog to save a preset for this effect.

Flash Style: Default: 0, Range: 0 or greater.
Style of flashbulb to use. Several styles are available, or you can try some of the glares for a different look.

Brightness: Default: 5, Range: 0 or greater.
Overall brightness of the flashes.

Vary Brightness: Default: 0.2, Range: 0 to 1.
Increase to vary the brightness of each flashbulb in each frame.

Flashes: Integer,  Default: 2, Range: 0 or greater.
Approximate number of flashes per frame.

Flash Randomness: Default: 0.5, Range: 0 to 1.
Increase to get more flashes on some frames (up to the values of Flashes) and fewer on others.

Flash Size: Default: 1, Range: 0 or greater.
Average size of flashes. This parameter can be adjusted using the Flash Size Widget.

Flash Size Rel: X & Y,   Default: [1 1], Range: 0 or greater.
Use to squash or stretch flashes. This parameter can be adjusted using the Flash Size Widget.

Flash Gamma: Default: 1, Range: 0.1 or greater.
Brightens or darkens the midtones of the flashes. Can give a round, hard-edged look, or make the flashes more soft and subtle.

Hold Frames: Integer,  Default: 1, Range: 0 or greater.
Each flash trails off slightly in time, to simulate persistence of vision as well as the effect of the filament cooling off in old-time flashbulbs. Hold Frames controls how long that trail lasts.

Flash Decay Rate: Default: 0.1, Range: 0 to 1.
How quickly the flashes decay over the Hold Frames time. Increase to make them stay on screen brighter, for longer; decrease to make them disappear quickly. Note that you may have to increase Hold Frames to see long-lived flash trails.

Bg Brightness: Default: 1, Range: 0 or greater.
Scales the brightness of the background before combining with the flashbulbss. If 0, the result will contain only the flashbulbs image over black.

Combine: Popup menu,  Default: Add .
Determines how the flash image is combined with the background.
Screen: blends the flashes with the background, which can help prevent overly bright results.
Add: causes the flash image to be added to the background.
Flashes Only: shows the flashes over a transparent black background.

Seed: Default: 0.1, Range: 0 or greater.
Used to initialize the random number generator. The actual seed value is not significant, but different seeds give different results and the same value should give a repeatable result.

Invert Mask: Check-box,  Default: off.
If enabled, inverts the mask input so the effect is applied to areas where the Mask is black instead of white.

Params2:

Params3:

Mocha: Default: 0, Range: 0 or greater, Shared .
Brings up the Mocha window for tracking footage and generating masks.

Blur Mocha: Default: 0, Range: 0 or greater, Shared .
Blurs the Mocha Mask by this amount before using. This can be used to soften the edges or quantization artifacts of the mask, and smooth out the time displacements.

Mocha Opacity: Default: 1, Range: 0 to 1, Shared .
Controls the strength of the Mocha mask. Lower values reduce the intensity of the effect.

Invert Mocha: Check-box,  Default: off, Shared .
If enabled, the black and white of the Mocha Mask are inverted before applying the effect.

Show Mocha Only: Check-box,  Default: off, Shared .
Bypass the effect and show the Mocha Mask itself.

Bypass Mocha: Check-box,  Default: off, Shared .
Ignore the Mocha Mask and apply the effect to the entire source clip.

Combine Masks: Popup menu,  Default: Union .
Determines how to combine the Mocha Mask and Input Mask when both are supplied to the effect.
Union: Uses the area covered by both masks together.
Intersect: Uses the area that overlaps between the two masks.
Mocha Only: Ignore the Input Mask and only use the Mocha Mask.
See general info for: Res , On Fields , Redraw , Undo , Load Defaults , Crop , Add Noise , and Use Gamma .


See Also:

DissolveFlashbulbs
Flashbulbs
Flashbulbs
Sapphire Plug-ins Introduction

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