Glow Property Editor

 
 
 

| Glow Property Editor | Size | Noise

Adds a 2D glow to the selected object or group of objects by applying a glow property (which uses the 2D glow shader internally to setup the effect) on those objects.. The glow is a post-process effect and, therefore, will be applied once the render is complete. You can define the color, size, and look of the glow.

To apply: From the Render toolbar, choose Get Property Glow.

To display: In an explorer, set the scope to Scene Root, expand the object node and click the Glow property icon.

NoteAs an alternative to using the glow property, post-process 2D glows and halos can also be achieved using output shaders applied directly to the object's pass shader stack. See Applying Shaders to Passes [Rendering]. For the available output shaders in the Softimage library, see Output [Shader Reference].

Glow

Glow Color

Color

Defines a color for the glow effect. You can switch between the RGB, HSV, and HLS color channels.

Use Object's Color

When on, the glow shader will use the object's diffuse and ambient colors as the glow's color.

Opacity

Controls how transparent the glow effect is. A low value makes the object's color more visible; a higher value renders the glow opaque (non-transparent).

Intensity

Closely linked with the Opacity parameter, Intensity affects the saturation of the glow's color. A high Opacity and Intensity value will create a black, non-transparent glow.

Glow Options

Exclude Object from Object

Does not allow the glow effect to obscure the object.

Shrink (pixels)

Shrinks the glow inward, into the selected object.

Use Depth

When on, it enables a depth-buffer algorithm for the glow. Objects in front of the glowing object(s) will then obscure parts of the glow properly. Due to the inherent imprecision of the tag channel, a slight under- or overlap may occur on the object's edges.

Leaving this parameter off increases rendering speed.

Use Object Intensity

When on, the glow will take the intensity of the underlying object into account when adding the glow. If both the object intensity and the glow intensity are less than 1, the result will also be less than 1.

Size

These options let you define the glow's size and falloff.

Glow Size

Size

Defines the size of the glow. The glow's center is that of the object or group it is applied to.

Minimum Level

Controls the precision of the glow. An algorithm searches outward from the object: as the algorithm moves outward, its level drops.

If the value is too high, the edge of the glow will become visible. Lower the value a little until the edge isn't visible. This parameter can make a big difference to the scene's rendering time.

Falloff

Exponential

When on, the glow uses an exponential (inverse square) falloff. Only one falloff type can be defined at a time.

Linear

When on, the glow uses a linear falloff. Only one falloff type can be defined at a time.

Noise

To add realism to a glow, use these options to create a random-like noise to the glow effect.

Amplitude

Defines the noise amplitude. Noise is subtracted from the full glow's intensity. The higher the value, the more chaotic the pattern.

(A) Amplitute=0.1; (B) Amplitute=0.5; (C) Amplitute=0.9

Scale

Defines the size of the noise. When increased, the variations are slower across the surface.

Noise Space

Object Space: Centers the noise on the object's center. If the object moves, the glow will move with it.

World Space: Centers the noise with the scene origin (0,0,0). If the object moves, it will appear to swim through its glow.

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