Extract data-space geometry from resolved draft layers and stat results. Produces layer descriptor maps — plain Clojure maps with mark type, style, and groups of data-space coordinates.
Extract data-space geometry from resolved draft layers and stat results. Produces layer descriptor maps — plain Clojure maps with mark type, style, and groups of data-space coordinates.
Named stroke-dash presets, resolved to a [dash gap] pixel pattern.
:solid means no dash (returns nil).
Named stroke-dash presets, resolved to a `[dash gap]` pixel pattern. `:solid` means no dash (returns nil).
Extract data-space geometry from a resolved draft layer and its stat result. Returns a layer descriptor map.
Extract data-space geometry from a resolved draft layer and its stat result. Returns a layer descriptor map.
(fill-setting k draft-layer cfg)A scale setting for a mark drawn in a fill: what a :fill scale spec
or the matching plot option says, and failing that what the :color
ones say.
A tile reads :color as a synonym for :fill, so a gradient or a
midpoint written either way has to reach it. The spec side already
falls back this way; this keeps the option side in step rather than
letting the two disagree.
A scale setting for a mark drawn in a fill: what a `:fill` scale spec or the matching plot option says, and failing that what the `:color` ones say. A tile reads `:color` as a synonym for `:fill`, so a gradient or a midpoint written either way has to reach it. The spec side already falls back this way; this keeps the option side in step rather than letting the two disagree.
(resolve-color all-colors color-val draft-layer cfg)Resolve a color value to [r g b a]. Handles column values, fixed colors, and defaults.
A fixed color wins over a group's palette color. The two cannot
conflict: :color is one key, so a literal there means there is no
color column, and any group color present came from :group instead.
Grouping by one column while drawing every group in one color is a
common case: many pale lines behind a few named ones. It needs the
fixed color to survive the grouping.
Takes the resolved draft layer rather than its :fixed-color,
because the layer answers a second question too: whether its color
column is drawn as it stands. resolve/resolve-aesthetics decides
that once for the column, so what arrives here is a group value that
already is a color and needs no palette.
Resolve a color value to [r g b a]. Handles column values, fixed colors, and defaults. A fixed color wins over a group's palette color. The two cannot conflict: `:color` is one key, so a literal there means there is no color column, and any group color present came from `:group` instead. Grouping by one column while drawing every group in one color is a common case: many pale lines behind a few named ones. It needs the fixed color to survive the grouping. Takes the resolved draft layer rather than its `:fixed-color`, because the layer answers a second question too: whether its color column is drawn as it stands. `resolve/resolve-aesthetics` decides that once for the column, so what arrives here is a group value that already *is* a color and needs no palette.
(resolve-dash stroke-dash)Resolve a :stroke-dash value to a [dash gap ...] vector or nil.
Accepts a named preset (:solid/:dashed/:dotted), a raw
[dash gap ...] vector (passed through), or nil (no dash).
Resolve a `:stroke-dash` value to a `[dash gap ...]` vector or nil. Accepts a named preset (`:solid`/`:dashed`/`:dotted`), a raw `[dash gap ...]` vector (passed through), or nil (no dash).
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