BTA Charts
ChartsTimeline & Journey

Strategic Journey Timeline

Lay out a product or project roadmap on a horizontal timeline. Items appear as milestone dots or date-range spans, arranged in alternating lanes above and below a central spine. Cards display title, subtitle, and status with color-coded markers.

Examples

When to Use

  • Product roadmaps with phases and milestones
  • Project timelines showing planned vs. completed work
  • Strategy presentations with key dates and deliverables
  • Onboarding journeys or customer lifecycle mapping

Data Roles

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Settings

Timeline

Show Today Line

boolean

Draw a vertical line at today's date.

Default: true

Spine Thickness

number

Width of the central timeline spine (1–8 px).

Default: 2

Lane Gap

number

Vertical space between the spine and each card lane (10–80 px).

Default: 26

Card Band Height

number

Height of each card lane area (80–500 px).

Default: 210

Cards

Min Width

number

Minimum card width in pixels (80–300).

Default: 120

Max Width

number

Maximum card width in pixels.

Default: 170

Corner Radius

number

Rounded corners for cards (0–20 px).

Default: 8

Shadow

boolean

Apply a drop shadow to cards.

Default: true

Card Text

Title Font Size

number

Font size for card titles (8–36).

Default: 12

Subtitle Font Size

number

Font size for card subtitles (7–32).

Default: 10

Markers

Milestone Radius

number

Radius of milestone dot markers (3–20 px).

Default: 7

Span Thickness

number

Thickness of span bars (1–12 px).

Default: 4

Connector Opacity

number

Opacity of lines connecting cards to the spine (0.08–1).

Default: 0.42

Common settings like Legend, Tooltip, and Color Scheme are covered in Shared Concepts.

Tips & Best Practices

  • Items with both Start Date and End Date render as spans; items with only a Milestone Date render as milestone dots
  • Use the Lane field to manually place cards above or below the spine (top/bottom)
  • The Status field drives both the color and the legend — keep status labels concise for best readability

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