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spine: Move scientific to its own file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| #import "/src/cetz.typ" | ||
| #import "/src/axis.typ" | ||
| #import "/src/ticks.typ" | ||
| #import "/src/style.typ": prepare-style, get-axis-style, default-style | ||
| #import "/src/spine/util.typ": cartesian-axis-projection | ||
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| #import cetz: vector, draw | ||
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| /// | ||
| #let cartesian-scientific(projections: none, name: none, style: (:)) = { | ||
| return ( | ||
| name: name, | ||
| draw: (ptx) => { | ||
| let xy-proj = projections.at(0) | ||
| let uv-proj = projections.at(1, default: xy-proj) | ||
| let has-uv = projections.len() > 1 | ||
| let (x, y) = xy-proj.axes | ||
| let (u, v) = uv-proj.axes | ||
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| let style = prepare-style(ptx, cetz.styles.resolve(ptx.cetz-ctx.style, | ||
| root: "axes", merge: style, base: default-style)) | ||
| let x-style = get-axis-style(ptx, style, "x") | ||
| let y-style = get-axis-style(ptx, style, "y") | ||
| let u-style = get-axis-style(ptx, style, "u") | ||
| let v-style = get-axis-style(ptx, style, "v") | ||
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| let (x-low, x-high, y-low, y-high) = (xy-proj.transform)( | ||
| (x.min, y.min), (x.max, y.min), | ||
| (x.min, y.min), (x.min, y.max), | ||
| ) | ||
| let (u-low, u-high, v-low, v-high) = (uv-proj.transform)( | ||
| (u.min, v.max), (u.max, v.max), | ||
| (u.max, v.min), (u.max, v.max), | ||
| ) | ||
|
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||
| let move-vec(v, direction, length) = { | ||
| vector.add(v, direction.enumerate().map(((i, v)) => v * length.at(i))) | ||
| } | ||
|
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| // Outset axes | ||
| x-low = move-vec(x-low, (0, -1), x-style.padding) | ||
| x-high = move-vec(x-high, (0, -1), x-style.padding) | ||
| y-low = move-vec(y-low, (-1, 0), y-style.padding) | ||
| y-high = move-vec(y-high, (-1, 0), y-style.padding) | ||
| u-low = move-vec(u-low, (0, 1), u-style.padding) | ||
| u-high = move-vec(u-high, (0, 1), u-style.padding) | ||
| v-low = move-vec(v-low, (1, 0), v-style.padding) | ||
| v-high = move-vec(v-high, (1, 0), v-style.padding) | ||
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| // Frame corners (FIX for uv axes) | ||
| let south-west = move-vec(x-low, (-1, 0), x-style.padding) | ||
| let south-east = move-vec(x-high, (+1, 0), x-style.padding) | ||
| let north-west = move-vec(u-low, (-1, 0), u-style.padding) | ||
| let north-east = move-vec(u-high, (+1, 0), u-style.padding) | ||
|
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| // Grid lengths | ||
| let x-grid-length = u-low.at(1) - x-low.at(1) | ||
| let y-grid-length = v-low.at(0) - y-low.at(0) | ||
| let u-grid-length = x-low.at(1) - u-low.at(1) | ||
| let v-grid-length = y-low.at(0) - v-low.at(0) | ||
|
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||
| let axes = ( | ||
| (x, (0,+1), (0,x-grid-length), cartesian-axis-projection(x, x-low, x-high), x-style, false), | ||
| (y, (+1,0), (y-grid-length,0), cartesian-axis-projection(y, y-low, y-high), y-style, false), | ||
| (u, (0,-1), (0,u-grid-length), cartesian-axis-projection(u, u-low, u-high), u-style, not has-uv), | ||
| (v, (-1,0), (v-grid-length,0), cartesian-axis-projection(v, v-low, v-high), v-style, not has-uv), | ||
| ) | ||
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| draw.group(name: "spine", { | ||
| for (ax, dir, grid-dir, proj, style, mirror) in axes { | ||
| draw.on-layer(style.axis-layer, { | ||
| draw.line(proj(ax.min), proj(ax.max), stroke: style.stroke, mark: style.mark) | ||
| }) | ||
| if "computed-ticks" in ax { | ||
| if not mirror { | ||
| ticks.draw-cartesian-grid(proj, grid-dir, ax, ax.computed-ticks, style) | ||
| } | ||
| ticks.draw-cartesian(proj, dir, ax.computed-ticks, style, is-mirror: mirror) | ||
| } | ||
| } | ||
| }) | ||
|
|
||
| // TODO: Draw labels | ||
| }, | ||
| ) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| #import "/src/cetz.typ": vector | ||
| #import "/src/axis.typ" | ||
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| /// Returns a function that interpolates from an axis value | ||
| /// between start and stop | ||
| #let cartesian-axis-projection(ax, start, stop) = { | ||
| let dir = vector.norm(vector.sub(stop, start)) | ||
| let dist = vector.dist(start, stop) | ||
| return (value) => { | ||
| vector.add(start, vector.scale(dir, axis.transform(ax, value, 0, dist))) | ||
| } | ||
| } |
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