0.16.6 documentation

Complete canonical API text; task articles explain the workflows. Tutorials

Site guide · find your task

Setup and learning paths

HomeInstall and prepare the environmentChoose your learning module

Module I · Chord

1.1 Tables and field meanings1.2 Produce and import comparisons1.3 Build the layers step by step1.4 Direction, curvature and clearance1.5 Filter and summarize links1.6 Full source-file workflow1.7 Complete chord showcase

Module II · Collinear

2.1 Reuse chord input tables2.2 Switch coordinates and add layers2.3 Routes, clearance and the ruler2.4 Compare CDS neighbourhoods2.5 Focus, anchors and segments2.6 Complete collinear showcase

Module III · Plasmid

3.1 DNA, annotations and 13 references3.2 From a circle to annotation layers3.3 Features, primers and restriction3.4 Thirteen plasmid references3.5 Complete plasmid cases

Consult as needed · Data and layers

Prepare tables and coordinatesImport and convert dataImport nucleotide and protein alignmentsProject protein intervals to genomic coordinatesFeatures, stacking and genomic decorationLabels and local placementQuantitative tracksMappings, scales, guides and themesSet values by sequence and strandCommon adjustments and grammarExport, preview and diagnostics

Learning map and reference

Articles and complete workflowsFunction referenceReproducible galleryFrequently asked questionsMigrate to the candidate APITerminology and design sourcesDevelopment status and changes

ggchord themes

On this page

• Usage
• Arguments
• Value
• Appearance settings
• Standard ggplot2 settings

Complete themes for chord diagrams. Besides ordinary ggplot2 theme elements, these functions control automatic sequence axes, chord labels and the appearance and placement of guides belonging to each ggchord role. Palettes, breaks, labels and guide ordering remain scale/guide concerns.

Usage

Code

theme_ggchord(
  axis = NULL,
  axis.line = NULL,
  axis.ticks = NULL,
  axis.minor.ticks = NULL,
  axis.text = NULL,
  axis.gap = NULL,
  axis.ticks.length = NULL,
  axis.minor.ticks.length = NULL,
  axis.text.offset = NULL,
  axis.text.orientation = NULL,
  axis.text.check.overlap = NULL,
  seq.label = NULL,
  gene.label = NULL,
  gene.label.segment = NULL,
  feature.label = NULL,
  feature.label.segment = NULL,
  restriction.label = NULL,
  restriction.label.segment = NULL,
  seq.center.label = NULL,
  seq.center.name = NULL,
  seq.center.length = NULL,
  legend.seq = NULL,
  legend.seq.position = NULL,
  legend.seq.direction = NULL,
  legend.seq.background = NULL,
  legend.seq.key = NULL,
  legend.seq.key.size = NULL,
  legend.seq.key.width = NULL,
  legend.seq.key.height = NULL,
  legend.seq.text = NULL,
  legend.seq.text.position = NULL,
  legend.seq.title = NULL,
  legend.seq.title.position = NULL,
  legend.seq.margin = NULL,
  legend.seq.spacing = NULL,
  legend.link = NULL,
  legend.link.position = NULL,
  legend.link.direction = NULL,
  legend.link.background = NULL,
  legend.link.key = NULL,
  legend.link.key.size = NULL,
  legend.link.key.width = NULL,
  legend.link.key.height = NULL,
  legend.link.text = NULL,
  legend.link.text.position = NULL,
  legend.link.title = NULL,
  legend.link.title.position = NULL,
  legend.link.margin = NULL,
  legend.link.spacing = NULL,
  legend.ribbon = NULL,
  legend.ribbon.position = NULL,
  legend.ribbon.direction = NULL,
  legend.ribbon.background = NULL,
  legend.ribbon.key = NULL,
  legend.ribbon.key.size = NULL,
  legend.ribbon.key.width = NULL,
  legend.ribbon.key.height = NULL,
  legend.ribbon.text = NULL,
  legend.ribbon.text.position = NULL,
  legend.ribbon.title = NULL,
  legend.ribbon.title.position = NULL,
  legend.ribbon.margin = NULL,
  legend.ribbon.spacing = NULL,
  legend.ribbon.ticks = NULL,
  legend.ribbon.ticks.length = NULL,
  legend.ribbon.axis.line = NULL,
  legend.gene = NULL,
  legend.gene.position = NULL,
  legend.gene.direction = NULL,
  legend.gene.background = NULL,
  legend.gene.key = NULL,
  legend.gene.key.size = NULL,
  legend.gene.key.width = NULL,
  legend.gene.key.height = NULL,
  legend.gene.text = NULL,
  legend.gene.text.position = NULL,
  legend.gene.title = NULL,
  legend.gene.title.position = NULL,
  legend.gene.margin = NULL,
  legend.gene.spacing = NULL,
  legend.feature = NULL,
  legend.feature.position = NULL,
  legend.feature.direction = NULL,
  legend.feature.background = NULL,
  legend.feature.key = NULL,
  legend.feature.key.size = NULL,
  legend.feature.key.width = NULL,
  legend.feature.key.height = NULL,
  legend.feature.text = NULL,
  legend.feature.text.position = NULL,
  legend.feature.title = NULL,
  legend.feature.title.position = NULL,
  legend.feature.margin = NULL,
  legend.feature.spacing = NULL,
  legend.region = NULL,
  legend.region.position = NULL,
  legend.region.direction = NULL,
  legend.region.background = NULL,
  legend.region.key = NULL,
  legend.region.key.size = NULL,
  legend.region.key.width = NULL,
  legend.region.key.height = NULL,
  legend.region.text = NULL,
  legend.region.text.position = NULL,
  legend.region.title = NULL,
  legend.region.title.position = NULL,
  legend.region.margin = NULL,
  legend.region.spacing = NULL,
  ...
)

theme_ggchord_minimal(
  axis = NULL,
  axis.line = NULL,
  axis.ticks = NULL,
  axis.minor.ticks = NULL,
  axis.text = NULL,
  axis.gap = NULL,
  axis.ticks.length = NULL,
  axis.minor.ticks.length = NULL,
  axis.text.offset = NULL,
  axis.text.orientation = NULL,
  axis.text.check.overlap = NULL,
  seq.label = NULL,
  gene.label = NULL,
  gene.label.segment = NULL,
  feature.label = NULL,
  feature.label.segment = NULL,
  restriction.label = NULL,
  restriction.label.segment = NULL,
  seq.center.label = NULL,
  seq.center.name = NULL,
  seq.center.length = NULL,
  legend.seq = NULL,
  legend.seq.position = NULL,
  legend.seq.direction = NULL,
  legend.seq.background = NULL,
  legend.seq.key = NULL,
  legend.seq.key.size = NULL,
  legend.seq.key.width = NULL,
  legend.seq.key.height = NULL,
  legend.seq.text = NULL,
  legend.seq.text.position = NULL,
  legend.seq.title = NULL,
  legend.seq.title.position = NULL,
  legend.seq.margin = NULL,
  legend.seq.spacing = NULL,
  legend.link = NULL,
  legend.link.position = NULL,
  legend.link.direction = NULL,
  legend.link.background = NULL,
  legend.link.key = NULL,
  legend.link.key.size = NULL,
  legend.link.key.width = NULL,
  legend.link.key.height = NULL,
  legend.link.text = NULL,
  legend.link.text.position = NULL,
  legend.link.title = NULL,
  legend.link.title.position = NULL,
  legend.link.margin = NULL,
  legend.link.spacing = NULL,
  legend.ribbon = NULL,
  legend.ribbon.position = NULL,
  legend.ribbon.direction = NULL,
  legend.ribbon.background = NULL,
  legend.ribbon.key = NULL,
  legend.ribbon.key.size = NULL,
  legend.ribbon.key.width = NULL,
  legend.ribbon.key.height = NULL,
  legend.ribbon.text = NULL,
  legend.ribbon.text.position = NULL,
  legend.ribbon.title = NULL,
  legend.ribbon.title.position = NULL,
  legend.ribbon.margin = NULL,
  legend.ribbon.spacing = NULL,
  legend.ribbon.ticks = NULL,
  legend.ribbon.ticks.length = NULL,
  legend.ribbon.axis.line = NULL,
  legend.gene = NULL,
  legend.gene.position = NULL,
  legend.gene.direction = NULL,
  legend.gene.background = NULL,
  legend.gene.key = NULL,
  legend.gene.key.size = NULL,
  legend.gene.key.width = NULL,
  legend.gene.key.height = NULL,
  legend.gene.text = NULL,
  legend.gene.text.position = NULL,
  legend.gene.title = NULL,
  legend.gene.title.position = NULL,
  legend.gene.margin = NULL,
  legend.gene.spacing = NULL,
  legend.feature = NULL,
  legend.feature.position = NULL,
  legend.feature.direction = NULL,
  legend.feature.background = NULL,
  legend.feature.key = NULL,
  legend.feature.key.size = NULL,
  legend.feature.key.width = NULL,
  legend.feature.key.height = NULL,
  legend.feature.text = NULL,
  legend.feature.text.position = NULL,
  legend.feature.title = NULL,
  legend.feature.title.position = NULL,
  legend.feature.margin = NULL,
  legend.feature.spacing = NULL,
  legend.region = NULL,
  legend.region.position = NULL,
  legend.region.direction = NULL,
  legend.region.background = NULL,
  legend.region.key = NULL,
  legend.region.key.size = NULL,
  legend.region.key.width = NULL,
  legend.region.key.height = NULL,
  legend.region.text = NULL,
  legend.region.text.position = NULL,
  legend.region.title = NULL,
  legend.region.title.position = NULL,
  legend.region.margin = NULL,
  legend.region.spacing = NULL,
  ...
)

theme_ggchord_dark(
  axis = NULL,
  axis.line = NULL,
  axis.ticks = NULL,
  axis.minor.ticks = NULL,
  axis.text = NULL,
  axis.gap = NULL,
  axis.ticks.length = NULL,
  axis.minor.ticks.length = NULL,
  axis.text.offset = NULL,
  axis.text.orientation = NULL,
  axis.text.check.overlap = NULL,
  seq.label = NULL,
  gene.label = NULL,
  gene.label.segment = NULL,
  feature.label = NULL,
  feature.label.segment = NULL,
  restriction.label = NULL,
  restriction.label.segment = NULL,
  seq.center.label = NULL,
  seq.center.name = NULL,
  seq.center.length = NULL,
  legend.seq = NULL,
  legend.seq.position = NULL,
  legend.seq.direction = NULL,
  legend.seq.background = NULL,
  legend.seq.key = NULL,
  legend.seq.key.size = NULL,
  legend.seq.key.width = NULL,
  legend.seq.key.height = NULL,
  legend.seq.text = NULL,
  legend.seq.text.position = NULL,
  legend.seq.title = NULL,
  legend.seq.title.position = NULL,
  legend.seq.margin = NULL,
  legend.seq.spacing = NULL,
  legend.link = NULL,
  legend.link.position = NULL,
  legend.link.direction = NULL,
  legend.link.background = NULL,
  legend.link.key = NULL,
  legend.link.key.size = NULL,
  legend.link.key.width = NULL,
  legend.link.key.height = NULL,
  legend.link.text = NULL,
  legend.link.text.position = NULL,
  legend.link.title = NULL,
  legend.link.title.position = NULL,
  legend.link.margin = NULL,
  legend.link.spacing = NULL,
  legend.ribbon = NULL,
  legend.ribbon.position = NULL,
  legend.ribbon.direction = NULL,
  legend.ribbon.background = NULL,
  legend.ribbon.key = NULL,
  legend.ribbon.key.size = NULL,
  legend.ribbon.key.width = NULL,
  legend.ribbon.key.height = NULL,
  legend.ribbon.text = NULL,
  legend.ribbon.text.position = NULL,
  legend.ribbon.title = NULL,
  legend.ribbon.title.position = NULL,
  legend.ribbon.margin = NULL,
  legend.ribbon.spacing = NULL,
  legend.ribbon.ticks = NULL,
  legend.ribbon.ticks.length = NULL,
  legend.ribbon.axis.line = NULL,
  legend.gene = NULL,
  legend.gene.position = NULL,
  legend.gene.direction = NULL,
  legend.gene.background = NULL,
  legend.gene.key = NULL,
  legend.gene.key.size = NULL,
  legend.gene.key.width = NULL,
  legend.gene.key.height = NULL,
  legend.gene.text = NULL,
  legend.gene.text.position = NULL,
  legend.gene.title = NULL,
  legend.gene.title.position = NULL,
  legend.gene.margin = NULL,
  legend.gene.spacing = NULL,
  legend.feature = NULL,
  legend.feature.position = NULL,
  legend.feature.direction = NULL,
  legend.feature.background = NULL,
  legend.feature.key = NULL,
  legend.feature.key.size = NULL,
  legend.feature.key.width = NULL,
  legend.feature.key.height = NULL,
  legend.feature.text = NULL,
  legend.feature.text.position = NULL,
  legend.feature.title = NULL,
  legend.feature.title.position = NULL,
  legend.feature.margin = NULL,
  legend.feature.spacing = NULL,
  legend.region = NULL,
  legend.region.position = NULL,
  legend.region.direction = NULL,
  legend.region.background = NULL,
  legend.region.key = NULL,
  legend.region.key.size = NULL,
  legend.region.key.width = NULL,
  legend.region.key.height = NULL,
  legend.region.text = NULL,
  legend.region.text.position = NULL,
  legend.region.title = NULL,
  legend.region.title.position = NULL,
  legend.region.margin = NULL,
  legend.region.spacing = NULL,
  ...
)

theme_ggchord_publication(
  axis = NULL,
  axis.line = NULL,
  axis.ticks = NULL,
  axis.minor.ticks = NULL,
  axis.text = NULL,
  axis.gap = NULL,
  axis.ticks.length = NULL,
  axis.minor.ticks.length = NULL,
  axis.text.offset = NULL,
  axis.text.orientation = NULL,
  axis.text.check.overlap = NULL,
  seq.label = NULL,
  gene.label = NULL,
  gene.label.segment = NULL,
  feature.label = NULL,
  feature.label.segment = NULL,
  restriction.label = NULL,
  restriction.label.segment = NULL,
  seq.center.label = NULL,
  seq.center.name = NULL,
  seq.center.length = NULL,
  legend.seq = NULL,
  legend.seq.position = NULL,
  legend.seq.direction = NULL,
  legend.seq.background = NULL,
  legend.seq.key = NULL,
  legend.seq.key.size = NULL,
  legend.seq.key.width = NULL,
  legend.seq.key.height = NULL,
  legend.seq.text = NULL,
  legend.seq.text.position = NULL,
  legend.seq.title = NULL,
  legend.seq.title.position = NULL,
  legend.seq.margin = NULL,
  legend.seq.spacing = NULL,
  legend.link = NULL,
  legend.link.position = NULL,
  legend.link.direction = NULL,
  legend.link.background = NULL,
  legend.link.key = NULL,
  legend.link.key.size = NULL,
  legend.link.key.width = NULL,
  legend.link.key.height = NULL,
  legend.link.text = NULL,
  legend.link.text.position = NULL,
  legend.link.title = NULL,
  legend.link.title.position = NULL,
  legend.link.margin = NULL,
  legend.link.spacing = NULL,
  legend.ribbon = NULL,
  legend.ribbon.position = NULL,
  legend.ribbon.direction = NULL,
  legend.ribbon.background = NULL,
  legend.ribbon.key = NULL,
  legend.ribbon.key.size = NULL,
  legend.ribbon.key.width = NULL,
  legend.ribbon.key.height = NULL,
  legend.ribbon.text = NULL,
  legend.ribbon.text.position = NULL,
  legend.ribbon.title = NULL,
  legend.ribbon.title.position = NULL,
  legend.ribbon.margin = NULL,
  legend.ribbon.spacing = NULL,
  legend.ribbon.ticks = NULL,
  legend.ribbon.ticks.length = NULL,
  legend.ribbon.axis.line = NULL,
  legend.gene = NULL,
  legend.gene.position = NULL,
  legend.gene.direction = NULL,
  legend.gene.background = NULL,
  legend.gene.key = NULL,
  legend.gene.key.size = NULL,
  legend.gene.key.width = NULL,
  legend.gene.key.height = NULL,
  legend.gene.text = NULL,
  legend.gene.text.position = NULL,
  legend.gene.title = NULL,
  legend.gene.title.position = NULL,
  legend.gene.margin = NULL,
  legend.gene.spacing = NULL,
  legend.feature = NULL,
  legend.feature.position = NULL,
  legend.feature.direction = NULL,
  legend.feature.background = NULL,
  legend.feature.key = NULL,
  legend.feature.key.size = NULL,
  legend.feature.key.width = NULL,
  legend.feature.key.height = NULL,
  legend.feature.text = NULL,
  legend.feature.text.position = NULL,
  legend.feature.title = NULL,
  legend.feature.title.position = NULL,
  legend.feature.margin = NULL,
  legend.feature.spacing = NULL,
  legend.region = NULL,
  legend.region.position = NULL,
  legend.region.direction = NULL,
  legend.region.background = NULL,
  legend.region.key = NULL,
  legend.region.key.size = NULL,
  legend.region.key.width = NULL,
  legend.region.key.height = NULL,
  legend.region.text = NULL,
  legend.region.text.position = NULL,
  legend.region.title = NULL,
  legend.region.title.position = NULL,
  legend.region.margin = NULL,
  legend.region.spacing = NULL,
  ...
)

theme_ggchord_plasmid(
  axis = NULL,
  axis.line = NULL,
  axis.ticks = NULL,
  axis.minor.ticks = NULL,
  axis.text = NULL,
  axis.gap = NULL,
  axis.ticks.length = NULL,
  axis.minor.ticks.length = NULL,
  axis.text.offset = NULL,
  axis.text.orientation = NULL,
  axis.text.check.overlap = NULL,
  seq.label = NULL,
  gene.label = NULL,
  gene.label.segment = NULL,
  feature.label = NULL,
  feature.label.segment = NULL,
  restriction.label = NULL,
  restriction.label.segment = NULL,
  seq.center.label = NULL,
  seq.center.name = NULL,
  seq.center.length = NULL,
  legend.seq = NULL,
  legend.seq.position = NULL,
  legend.seq.direction = NULL,
  legend.seq.background = NULL,
  legend.seq.key = NULL,
  legend.seq.key.size = NULL,
  legend.seq.key.width = NULL,
  legend.seq.key.height = NULL,
  legend.seq.text = NULL,
  legend.seq.text.position = NULL,
  legend.seq.title = NULL,
  legend.seq.title.position = NULL,
  legend.seq.margin = NULL,
  legend.seq.spacing = NULL,
  legend.link = NULL,
  legend.link.position = NULL,
  legend.link.direction = NULL,
  legend.link.background = NULL,
  legend.link.key = NULL,
  legend.link.key.size = NULL,
  legend.link.key.width = NULL,
  legend.link.key.height = NULL,
  legend.link.text = NULL,
  legend.link.text.position = NULL,
  legend.link.title = NULL,
  legend.link.title.position = NULL,
  legend.link.margin = NULL,
  legend.link.spacing = NULL,
  legend.ribbon = NULL,
  legend.ribbon.position = NULL,
  legend.ribbon.direction = NULL,
  legend.ribbon.background = NULL,
  legend.ribbon.key = NULL,
  legend.ribbon.key.size = NULL,
  legend.ribbon.key.width = NULL,
  legend.ribbon.key.height = NULL,
  legend.ribbon.text = NULL,
  legend.ribbon.text.position = NULL,
  legend.ribbon.title = NULL,
  legend.ribbon.title.position = NULL,
  legend.ribbon.margin = NULL,
  legend.ribbon.spacing = NULL,
  legend.ribbon.ticks = NULL,
  legend.ribbon.ticks.length = NULL,
  legend.ribbon.axis.line = NULL,
  legend.gene = NULL,
  legend.gene.position = NULL,
  legend.gene.direction = NULL,
  legend.gene.background = NULL,
  legend.gene.key = NULL,
  legend.gene.key.size = NULL,
  legend.gene.key.width = NULL,
  legend.gene.key.height = NULL,
  legend.gene.text = NULL,
  legend.gene.text.position = NULL,
  legend.gene.title = NULL,
  legend.gene.title.position = NULL,
  legend.gene.margin = NULL,
  legend.gene.spacing = NULL,
  legend.feature = NULL,
  legend.feature.position = NULL,
  legend.feature.direction = NULL,
  legend.feature.background = NULL,
  legend.feature.key = NULL,
  legend.feature.key.size = NULL,
  legend.feature.key.width = NULL,
  legend.feature.key.height = NULL,
  legend.feature.text = NULL,
  legend.feature.text.position = NULL,
  legend.feature.title = NULL,
  legend.feature.title.position = NULL,
  legend.feature.margin = NULL,
  legend.feature.spacing = NULL,
  legend.region = NULL,
  legend.region.position = NULL,
  legend.region.direction = NULL,
  legend.region.background = NULL,
  legend.region.key = NULL,
  legend.region.key.size = NULL,
  legend.region.key.width = NULL,
  legend.region.key.height = NULL,
  legend.region.text = NULL,
  legend.region.text.position = NULL,
  legend.region.title = NULL,
  legend.region.title.position = NULL,
  legend.region.margin = NULL,
  legend.region.spacing = NULL,
  ...
)

Arguments

axis

NULL to show automatic sequence axes, or ggplot2::element_blank() to hide the complete axis decoration.

axis.line, axis.ticks, axis.minor.ticks

Axis line elements.

axis.text

Axis text element.

axis.gap, axis.ticks.length, axis.minor.ticks.length, axis.text.offset

Scalar grid::unit() objects controlling physical axis spacing. A negative axis.gap moves circular ticks and labels inside the sequence ring; the plasmid preset uses this convention.

axis.text.orientation

One of "horizontal", "parallel", "perpendicular", or a finite numeric angle.

axis.text.check.overlap

Whether overlapping axis labels are hidden.

seq.label, gene.label, feature.label, restriction.label, seq.center.label, seq.center.name, seq.center.length

Text elements for sequence, gene, feature, restriction-site and circular centre labels.

gene.label.segment, feature.label.segment, restriction.label.segment

Line elements for gene, feature and restriction-site leader lines.

legend.seq, legend.ribbon, legend.gene, legend.feature, legend.region

NULL to show and inherit common settings, or ggplot2::element_blank() to hide every guide for that role.

legend.seq.position, legend.ribbon.position, legend.gene.position, legend.feature.position, legend.region.position

Per-role guide positions.

legend.seq.direction, legend.ribbon.direction, legend.gene.direction, legend.feature.direction, legend.region.direction

Per-role directions.

legend.seq.background, legend.ribbon.background, legend.gene.background, legend.feature.background, legend.region.background

Per-role backgrounds.

legend.seq.key, legend.ribbon.key, legend.gene.key, legend.feature.key, legend.region.key

Per-role key elements.

legend.seq.key.size, legend.seq.key.width, legend.seq.key.height, legend.ribbon.key.size, legend.ribbon.key.width, legend.ribbon.key.height, legend.gene.key.size, legend.gene.key.width, legend.gene.key.height, legend.feature.key.size, legend.feature.key.width, legend.feature.key.height, legend.region.key.size, legend.region.key.width, legend.region.key.height

Per-role key dimensions.

legend.seq.text, legend.ribbon.text, legend.gene.text, legend.feature.text, legend.region.text

Per-role text elements.

legend.seq.text.position, legend.ribbon.text.position, legend.gene.text.position, legend.feature.text.position, legend.region.text.position

Per-role text positions.

legend.seq.title, legend.ribbon.title, legend.gene.title, legend.feature.title, legend.region.title

Per-role title elements.

legend.seq.title.position, legend.ribbon.title.position, legend.gene.title.position, legend.feature.title.position, legend.region.title.position

Per-role title positions.

legend.seq.margin, legend.ribbon.margin, legend.gene.margin, legend.feature.margin, legend.region.margin

Per-role margins.

legend.seq.spacing, legend.ribbon.spacing, legend.gene.spacing, legend.feature.spacing, legend.region.spacing

Per-role spacing.

legend.link, legend.link.position, legend.link.direction, legend.link.background, legend.link.key, legend.link.key.size, legend.link.key.width, legend.link.key.height, legend.link.text, legend.link.text.position, legend.link.title, legend.link.title.position, legend.link.margin, legend.link.spacing

Point-link guide appearance; follows the same role-specific rules.

legend.ribbon.ticks, legend.ribbon.axis.line

Ribbon colourbar lines.

legend.ribbon.ticks.length

Ribbon colourbar tick length.

...

Standard ggplot2 theme arguments, including common text, plot and legend settings. Common legend settings also supply role inheritance. Removed underscore-style arguments produce a migration error.

Value

A complete ggplot2 theme carrying ggchord appearance settings.

Appearance settings

Ordinary text, panel, title and shared legend settings follow ggplot2. Sequence-axis settings control automatic axis decoration, not genomic break selection; use scale_seq_position_continuous() for breaks and labels. Role text and leader elements style non-data annotation. Role legend settings inherit common legend appearance, while scale and guide objects continue to own palettes, breaks and ordering. Physical spacings require scalar absolute grid::unit() values; axis.text.orientation is scalar. The preset themes share this signature and provide appearance defaults.

Standard ggplot2 settings

Standard text, plot title/caption/tag, backgrounds, plot margins and common legend settings remain available through ..., for example theme_ggchord(text = element_text(size = 12)). Only ggchord-specific settings appear as explicit formals for IDE argument completion. An IDE that additionally expands upstream dots may still offer upstream suggestions; this package controls its own function signature.