Sapphire Plug-ins for Autodesk: CloudsPerspective

CloudsPerspective

In the S_Clouds Plugin.

Generates a procedural noise texture transformed onto a 3D plane with perspective. Adjust the Latitude, Swing, and Roll parameters to rotate the image on various axes, each axis, and use the Frequency parameter to zoom in and out of the texture. Shift Speed causes the texture to automatically translate over time.

Inputs:

None

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.

Frequency: Default: 2, Range: 0.01 or greater.
The spatial frequency of the texture. Increase to zoom out, decrease to zoom in.

Frequency Rel X: Default: 0.4, Range: 0.01 or greater.
The relative horizontal frequency of the texture. Increase to stretch it vertically or decrease to stretch it horizontally.

Octaves: Integer,  Default: 6, Range: 1 to 10.
The number of summed layers of noise. Each octave is twice the frequency and half the amplitude of the previous. A single octave gives a smooth texture. Adding octaves makes the result approach a fractal (1/f) noise texture.

Seed: Default: 0.234, 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.

Shift Start: X & Y,   Default: [0 0], Range: any, Shared .
Translation offset of the clouds in their initial plane.

Z Dist: Default: 1, Range: any.
Scales the 'distance' of the image. Values greater than 1.0 move it farther away and make it smaller. Values less then 1.0 move the image closer and enlarge it.

Latitude: Default: -35, Range: any.
Positive latitude tilts the image down and negative tilts it up. Keep latitude in the range of around -35 to 35 degrees to avoid aliasing towards the horizon.

Swing: Default: 0, Range: any.
Rotation of the image in degrees in its initial frame.

Roll: Default: 0, Range: any.
Tilts the result from side to side, in counter-clockwise degrees.

Tele Lens Width: Default: 1, Range: 0.2 or greater.
The amount of lens telescoping. Increase to zoom in with less perspective, decrease for a wider viewing angle with more perspective.

Shift Speed: X & Y,   Default: [0.5 0], Range: any, Shared .
Translation speed of the texture. If non-zero, the result is automatically animated to shift at this rate. The result of animated Speed values may not be intuitive, so for variable speed motion it is usually best to set this to 0 and animate the Shift Start values instead.

Brightness1: Default: 1, Range: 0 or greater, Shared .
Scales the brightness of Color1. Increase for more contrast.

Color1: Default rgb: [1 1 1], Shared .
The color of the 'brighter' parts of the texture. The colors of the result are determined by an interpolation between Color0 and Color1.

Color0: Default rgb: [0 0 0], Shared .
The color of the 'darker' parts of the texture.

Offset0: Default: 0, Range: any, Shared .
Adds this value to color0. Decrease to a negative value for more contrast.

Params2:

Boiling Mode: Check-box,  Default: off.
When enabled, the clouds will boil, or evolve, over time. This mode takes slightly more computation but usually looks better.

Boil Details: Default: 0.55, Range: 0 to 1.
Increases or decreases the amount of fine detail in the clouds. Decrease to get a smoother look, increase to get a more high-frequency, noisy look. Only used when Boiling Mode is enabled.

Boil Speed: Default: 1, Range: any.
Sets the speed of the cloud boiling. Zero gives no boiling at all. Only used when Boiling Mode is enabled.

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.
See general info for: Res , On Fields , Redraw , Undo , Load Defaults , Crop , Add Noise , and Use Gamma .


See Also:

Clouds
CloudsVortex
CloudsMultColor
CloudsColorSmooth
CloudsPsyko
CloudsPerspectiveComp
WarpPerspective
Sapphire Plug-ins Introduction

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