Sapphire Plug-ins for Open Fx: WarpDrops

S_WarpDrops

Warps the source clip by multiple patterns of concentric waves emanating from multiple center locations. Each area in the Centers input clip brighter than the value of Threshold Cntrs, generates an independent pattern of concentric waves, and the total brightness of each area scales the warping magnitude of those waves. If the Centers image is complex, the number and locations of resulting centers can be fairly sensitive to the threshold value. Try using just solid black with a few white dots for the Centers input. If you only need a single set of waves, you can use the WarpPuddle effect instead.

In the Sapphire Distort effects submenu.


Inputs:

Source: The input clip to be warped.

Centers: Optional. Determines the centers of the wave patterns. Each area in this clip brighter than the value of Threshold Cntrs, generates an independent pattern of concentric waves. The total brightness of the area (brightness x area) scales the warping magnitude of those waves. This clip is often a painted image of dots of different sizes and brightnesses. If the painted centers move over time, the effect centers will move with them.

Mask: Optional. If provided, the amplitude of warping is scaled by the values of this input clip. Gray values internally scale the warping amplitude rather than simply cross-fading between the effect and the original source to allow more continuous results at the mask edges and more detailed control over the warping amounts. This input can be affected using the Blur Mask, Invert Mask, or Mask Use parameters.

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.

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

Blur Mocha: Default: 0, Range: 0 or greater.
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.
Controls the strength of the Mocha mask. Lower values reduce the intensity of the effect.

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

Resize Mocha: Default: 1, Range: 0 to 2.
Scales the Mocha Mask. 1.0 is the original size.

Resize Rel X: Default: 1, Range: 0 to 2.
The relative horizontal size of the Mocha Mask.

Resize Rel Y: Default: 1, Range: 0 to 2.
The relative vertical size of the Mocha Mask.

Shift Mocha: X & Y,   Default: [0 0], Range: any.
Offsets the position of the Mocha Mask.

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

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

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.

Amplitude: Default: 1, Range: any.
Scales the amount of warping distortion. Increase for more severe distortion.

Frequency: Default: 8, Range: 0.01 or greater.
The frequency of the waves. Increase for more waves, decrease for fewer. This parameter can be adjusted using the Frequency Widget.

Rel Height: Default: 1, Range: 0.01 or greater.
The relative height of the concentric wave pattern.

Rotate Rel H: Default: 0, Range: any.
Rotation in degrees of the wave patterns, about each center. This has no effect if the Rel Height parameter is 1.0. This parameter can be adjusted using the Rotate Rel H Widget.

Threshold Cntrs: Default: 0.6, Range: 0 or greater.
Areas brighter than this value are used as centers for the waves. A center is generated from the centroid of each set of connected pixels above this value.

Max Centers: Integer,  Default: 20, Range: 1 or greater.
The maximum total number of centers to use. This can be used for testing or to avoid overly large numbers of centers.

Phase Start: Default: 0, Range: any.
The phase shift of the waves.

Phase Speed: Default: 0, Range: any.
The speed of the waves. If this is positive the waves automatically travel outwards from the center at this rate.

Inner Radius: Default: 0, Range: any.
The distance from the puddle center where the wave distortion is phased in. No waves are generated inside this radius. This parameter can be adjusted using the Inner Radius Widget.

Inner Softness: Default: 0.1, Range: 0.0028 or greater.
The width of the region at the Inner Radius over which the wave distortion is phased in.

Outer Radius: Default: 0.5, Range: 0 or greater.
The distance from the puddle center where the wave distortion is phased out. No waves are generated outside this radius. This parameter can be adjusted using the Outer Radius Widget.

Outer Softness: Default: 0.5, Range: 0.0056 or greater.
The width of the region at the Outer Radius over which the wave distortion is phased out.

Z Dist: Default: 1, Range: 0.001 or greater.
Scales the 'distance' of the image. Values greater than 1.0 move it farther away and make it smaller. Values less than 1.0 move the image closer and enlarge it. Zooming in slightly can sometimes be used to hide edge artifacts.

Wrap: X & Y,  Popup menu,  Default: [ Reflect Reflect ].
Determines the method for accessing outside the borders of the source image.
No: gives black beyond the borders.
Tile: repeats a copy of the image.
Reflect: repeats a mirrored copy. Edges are often less visible with this method.

Filter: Check-box,  Default: on.
If enabled, the image is adaptively filtered when it is resampled. This gives a better quality result when parts of the image are warped smaller.

Blur Mask: Default: 0, Range: 0 or greater.
Blurs the Mask input by this amount before using. This can provide a smoother transition between the masked and unmasked areas. It has no effect unless the Mask input is provided.

Invert Mask: Check-box,  Default: off.
If on, inverts the mask input so the effect is applied to areas where the Mask is black instead of white. This has no effect unless the Mask input is provided.

Mask Use: Popup menu,  Default: Luma .
Determines how the Mask input channels are used to make a monochrome mask.
Luma: the luminance of the RGB channels is used.
Alpha: only the Alpha channel is used.

Crop Input Parameters: Default: 0, Range: 0 or greater.
These 4 parameters, Crop Top , Crop Bottom , Crop Left, and Crop Right , allow selecting a rectangular subsection of the input image to be processed. If the Wrap parameters are set to "No" the exposed borders will be transparent. If the Wrap is "Tile" or "Reflect" the source image is wrapped on the new cropped borders to fill the frame. This can make it easier to avoid artifacts due to distorting an image with bad edges.

Show Frequency: Check-box, Default: on.
Turns on or off the screen user interface for adjusting the Frequency parameter.

Show Outer Radius: Check-box, Default: on.
Turns on or off the screen user interface for adjusting the Rel Height parameter.

Show Inner Radius: Check-box, Default: on.
Turns on or off the screen interface parameter for adjusting the Inner Radius. The value of the Inner Radius parameter must first be positive for this widget to be visible.

Show Rotate Rel H: Check-box, Default: on.
Turns on or off the screen user interface for adjusting the Rotate Rel H parameter.


See Also:

WarpPuddle
WarpWaves
Sapphire Plug-ins Introduction

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