`carousel` — the system carousel

The strip that scrolls the systems: direction, logo size, and the text mode.

The carousel displays the systems, logo by logo. It only exists in the Systems view, under the reserved name systemcarousel, and the engine builds only one. Elsewhere, or under another name, it is not built at all.

The scrolling direction

type accepts horizontal (the default), vertical and vertical_wheel — the wheel. There is no horizontal wheel: any other value silently falls back to horizontal.

The properties (28)

<carousel name="systemcarousel">
  <type>vertical</type>
  <pos>0 0</pos>
  <size>0.25 1</size>
  <color>00000020</color>
  <logoSize>0.12 0.075</logoSize>
  <logoScale>1.5</logoScale>
  <maxLogoCount>7</maxLogoCount>
  <logoAlignment>center</logoAlignment>
  <defaultTransition>instant</defaultTransition>
</carousel>

Property	Role
`type`	`horizontal`, `vertical`, `vertical_wheel`
`pos` `size` `origin`	placement
`color`	the carousel's background
`logoSize`	the size of a logo (pair)
`logoScale`	the enlargement of the chosen logo
`logoRotation` `logoRotationOrigin`	logo rotation (wheels)
`logoAlignment`	logo alignment within their slot
`maxLogoCount`	how many logos visible at once
`defaultTransition`	`fade` or `instant`; any other value gives `slide`
`fontPath` `fontSize` `fontColor`	the text mode's font
`forceUppercase`	system names all in capitals
`textOnly`	write the names instead of the logos
`primaryColor` `secondaryColor`	the color of the names
`selectedColor`	the color of the chosen name
`selectorColor` `selectorHeight`	the text mode's highlighter
`selectorOffsetX` `selectorOffsetY`	its offset
`textOffsetX`	the text offset
`lineSpacing` `horizontalMargin`	line spacing and margins of the text mode
`zIndex`	depth

⚠️ No disabled: the carousel does not switch off.

⚠️ maxLogoCount is not a number of displayed logos. It only drives spacing and centering: the engine draws more of them, which overflow and get clipped. And the value is rounded to the integer — a decimal (2.5) is therefore useless.

Logos, or names

In the System list section, “WHAT SCROLLS BY” picks between:

Logos — the usual behavior;
Names — the carousel writes each system's name.

⚠️ It is not a fourth scrolling direction: the text mode combines with horizontal, vertical and wheel. A carousel of names can therefore scroll in any direction.

The properties that go with it

In text mode, the font, its size and its color are set in the Text section. Two offsets specific to the carousel are added:

Highlighter horizontal offset (selectorOffsetX);
Text horizontal offset (textOffsetX).

What it writes

<carousel name="systemcarousel" type="vertical">
  <textOnly>true</textOnly>
  <textOffsetX>0.02</textOffsetX>
</carousel>