ChamSys MagicHD - Manual (Page 57)

MagicHD User Manual 49 / 58
Value Effect Notes
5 Mask (2) Use the layer as a mask. FX-R selects the mode:
0
Transparency = intensity (1) , colour unchanged.
1 As 0, with inverted colour
2 Transparency = inverse intensity (1) , colour unchanged
3 As 2, with inverted colour
4 Transparency comes from the media’s alpha channel. Opaque pixels
become fixed colour.
FX-G
Hue 0-254 Hue (5)
255 White.
FX-B Lightness 0 is black, whatever hue is
chosen.
5 Transparency = intensity (1) , colour as for 4 (6) .
6 Transparency = inverse intensity (1) , colour as for 4 (6) .
6 Key (2)(3) Chroma Key. FX parameters are colour scale values, specifying the colour to match.
The matched colour is made transparent.
FX-R
Hue (5) .
FX-G Selectivity 0 Narrow
255 Wide
FX-B Transparency 0 Gradual
255 All transparent
7 Hue Offset (4) FX-R controls the hue offset:
0
0° No effect
128 180° Turns red into cyan, yellow into blue etc.
255 360° No effect
8 Hue Filter (4) Apply a bandpass filter to the hue. Filtered out hue becomes black & white.
FX-R
Hue (5) .
FX-G Selectivity 0 Narrow
255 Wide
FX-B Fall-off 0 Triangle
255 Square
9 Invert Invert RGB.
Shortcut for RGB select with parameters (5,6,7)
.
10 Curve 1 Not implemented yet.
11 Curve 2 Not implemented yet.
12 Curve 3 Not implemented yet.
(1) Intensity is the overall brightness of the image; effectively the black & white version of it.
(2) Not implemented in the output layer, because it is an inter-layer effect.
(3) The best way to understand this effect is to select some media in layer 1, then select the HSL image from folder 3 (masks) in
layer 2, then play with the effect parameters.
(4) The best way to understand this effect is to select the HSL image from folder 3 (masks) then play with the effect parameters.
(5) Hue refers to the HSL colour model [4]
(6) Leave Hue and Lightness at 0 for no colour, so that the mask just controls the transparency of the layer below.
10.5.6 Colour Scale
Colour, intensity, transparency etc. are specified by a linear scale with the values 0-255 representing the range 0 to 1.0.
10.5.7 Control Enable
This parameter must held at 255 while Control Function is programmed.