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<< 3.3 Effects & Tuning >>

 

wpeC.jpg (10092 bytes)  ( *PE )

 

The BlackMagic palettes are optimized for optimal colour reproduction in the category each of these represent. Each of the colours generated by these palettes is further "auto parameterized" dynamically, when being applied to the image, in terms of their hue, saturation, intensity, opacity, contrast, and brightness. Even so, the professional version of the software allows for further tuning of some parameters (post auto parameterization) by the user. This does not totally override the auto parameterization, but merely modifys the default behaviour to a degree. This facility is provided through the "Effects & Tuning" bar, which also allows the user to switch between Interactive vs. Mask'ed painting modes. Each is described in detail below.

Ambient Light ( *PE )

Adds or substracts one or more 'colour' components out of the current Palette. Check the 'coloured' boxes corresponding to the colours that should be added/ subtracted, then adjust the 'track-bar' control to signify the degree of such variation. Setting the track-bar to the left of middle position implies 'subtraction' in ten steps, while setting it to the right of middle implies an 'add' operation. These settings effect all painting operations while the settings are in force, irrespective of the tool or palette currently selected, except the 'Erase' operations. Selecting just the white coloured check-box degenerates the control into a "Brightness Control" mode. Set the tracker bar to the middle position to return to the default behaviour.

Intensity ( *PE )

Controls the intensity (sharpness) of all colour renderings; works in conjunction with all the tools & palettes, while the track-bar is off centre (except "Erase" control). Left of middle has an effect of reducing the intensity, while right of middle increases it. Set the track-bar to the middle position for default behaviour.

Saturation ( *PE )

Controls the Saturation (predominant hue) of all subsequent colour renderings; works in conjunction with all the tools & palettes, while the track-bar is off centre (except "Erase" control). Left of middle has an effect of reducing the saturation, while right of middle increases it. Set the track-bar to the middle position for default behaviour.

Re-set ( *PE )

Resets all 'effect' controls (described above) to their default settings.

Invert ( *PE )

Inverts all colour renderings if "checked" (negative effect); applies to all colouring operations irrespective of the selected tool or palette (except "Erase"). Un-check to revert to default behaviour.

 


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