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Get Required Number of Colors for Node Color Variable

Source: R/ggraph_transitions.R
dot-get_required_colors_count.Rd

Internal helper to determine how many colors are needed for discrete color variables. Returns appropriate count for continuous variables or unique value count for discrete.

Usage

.get_required_colors_count(tg, color_var)

Arguments

tg

tidygraph object with node data

color_var

Character. Color variable name

Value

Integer. Number of colors needed