Macrosystem Bogart SE Ver.4 User manual Uživatelský manuál stáhnout pdf (Strana 55)

Bogart SE 4 User manual

brightness. With “Color 0” you bring up the color box in which

you select a color that replaces the darker areas. “Color 1”

replaces the brighter areas. The “Threshold” of the transition

from light to dark can be set from 0-100%. And you can set

“Transition” between the two colors from 0-100% in order to

prevent “edge shimmer”.

5. Doubler: This effect blurs the scene by overlaying the image

with itself so that a light colored shadow appears.

6. Dynamic range: This effect is used to limit the extent of

brightness and contrast. This makes interesting estrange-

ment effects possible. You should experiment a little with the

settings. The preview offers a good approximation so that

you don’t have to make time-intensive calculations. All image

information is retained under “Type”. “Clip”. The controls “Min”

and “Max” are used to change brightness and contrast. Under

“Compress”, however, image information is lost for areas

brighter than maximum or darker than minimum, which are set

to maximum or minimum, respectively. You lose the details in

the bright and dark areas. Other areas are unaffected.

7.Effect stack:

This effect allows you to bundle as many effects as you wish

and apply them to a scene in one go. To use it, access the set-

tings for this effect. In the screen shot above, you can see the

effect list in the top left corner. Below this, you ﬁnd the follow-

ing options:

Add effect: Choose effects from the image processing effect

list to be added to the stack. Remove effect: Removes an ef-

fect from the stack.

Move effect up: Moves the currently selected effect to the top

of the stack.

Move effect down: Moves the currently selected effect to the

bottom of the stack.

Moving effects within the stack makes sense as the effects are

applied in the order going from top to bottom. This way, each

effect is inﬂuenced by the previous effect. The order of effects

may therefore be crucial. Use the preview button to check the

result before rendering.

The operator makes it possible to also include effects from

the image processing effects list. It is possible to archive your

composed effect, to make it possible to re-use it later on. The

effects that are stored in the archive will also be shown in the

effect list. If you stored a combination with the archive name

“Binary frame”, this combination will be listed as the effect

“ES: Binary frame”. It is possible to show only the effect stack

effects in the selection ﬁlter for the effects.

8. Fade-in: This effect helps you to fade in the scene, e.g. at

the beginning of your ﬁlm. Choose the desired color with the

effect options and see how the color becomes less and less

dominant until the scene is completely revealed and the color

no longer visible. This effect fades in only the footage, not the

audio.

9. False colors: The video is strongly altered with this effect.

The original colors are ignored and new colors are created that

are dependent on the brightness. Black is replaced by blue,

gray values are converted to orange, yellow, green, cyan, and

even blue where the very brightest image areas were. You can

sometimes see similar images in TV science programs or in

crime movies as so-called “heat images”. Hard transitions may

lead to shimmering edges, especially for VHS or when using

the CVBS connection. The effect “CVBS ﬁlter” can be used

to alleviate this (before or after.) You can set the “Saturation”

from 0-100%. The higher the percentage, the more color the

image has. 0% results in a black-and-white picture.

Tip: False colors are frequently used in science to highlight

small differences in brightness for the human eye. The human

eye can distinguish only about 100 different levels of bright-

ness, but about 100,000 different colors.

10. Control Color: With this effect you can correct the colors

“Red”, “Green”, and “Blue” in the scene (later adjustment). You

can set the color from 0-200%, where 100% corresponds to

the regular color.

11. Color depth: A very frequently seen effect can be achieved

with this. The number of colors in the picture is reduced. This

function can be used to create a sort of animation movie,

especially in combination with the special “Jitter” function. The

“Depth” can be set from 2-50. The “Transition” can be set from

0-100% in order to prevent “edge shimmer”.

Tip: Up to 16 million different shades of color can appear in a

video image. This allows ﬂuid transitions.

For each color component (there are a total of three color

components) there are about 256 possible levels. This effect

reduces the number of possible color levels per component to

between 2 and 50. The resulting image has now a maximum

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 111 112

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