Some ideas, some tests

Author: johannes-wolf

src/axes.typ

@@ -1,36 +1,6 @@
 #import "/src/cetz.typ": util, draw, vector, matrix, styles, process, drawable, path-util, process
 #import "/src/plot/formats.typ"
 
-/// Default axis style
-///
-/// #show-parameter-block("tick-limit", "int", default: 100, [Upper major tick limit.])
-/// #show-parameter-block("minor-tick-limit", "int", default: 1000, [Upper minor tick limit.])
-/// #show-parameter-block("auto-tick-factors", "array", [List of tick factors used for automatic tick step determination.])
-/// #show-parameter-block("auto-tick-count", "int", [Number of ticks to generate by default.])
-/// #show-parameter-block("stroke", "stroke", [Axis stroke style.])
-/// #show-parameter-block("label.offset", "number", [Distance to move axis labels away from the axis.])
-/// #show-parameter-block("label.anchor", "anchor", [Anchor of the axis label to use for it's placement.])
-/// #show-parameter-block("label.angle", "angle", [Angle of the axis label.])
-/// #show-parameter-block("axis-layer", "float", [Layer to draw axes on (see @@on-layer() )])
-/// #show-parameter-block("grid-layer", "float", [Layer to draw the grid on (see @@on-layer() )])
-/// #show-parameter-block("background-layer", "float", [Layer to draw the background on (see @@on-layer() )])
-/// #show-parameter-block("padding", "number", [Extra distance between axes and plotting area. For schoolbook axes, this is the length of how much axes grow out of the plotting area.])
-/// #show-parameter-block("overshoot", "number", [School-book style axes only: Extra length to add to the end (right, top) of axes.])
-/// #show-parameter-block("tick.stroke", "stroke", [Major tick stroke style.])
-/// #show-parameter-block("tick.minor-stroke", "stroke", [Minor tick stroke style.])
-/// #show-parameter-block("tick.offset", ("number", "ratio"), [Major tick offset along the tick's direction, can be relative to the length.])
-/// #show-parameter-block("tick.minor-offset", ("number", "ratio"), [Minor tick offset along the tick's direction, can be relative to the length.])
-/// #show-parameter-block("tick.length", ("number"), [Major tick length.])
-/// #show-parameter-block("tick.minor-length", ("number", "ratio"), [Minor tick length, can be relative to the major tick length.])
-/// #show-parameter-block("tick.label.offset", ("number"), [Major tick label offset away from the tick.])
-/// #show-parameter-block("tick.label.angle", ("angle"), [Major tick label angle.])
-/// #show-parameter-block("tick.label.anchor", ("anchor"), [Anchor of major tick labels used for positioning.])
-/// #show-parameter-block("tick.label.show", ("auto", "bool"), default: auto, [Set visibility of tick labels. A value of `auto` shows tick labels for all but mirrored axes.])
-/// #show-parameter-block("grid.stroke", "stroke", [Major grid line stroke style.])
-/// #show-parameter-block("break-point.width", "number", [Axis break width along the axis.])
-/// #show-parameter-block("break-point.length", "number", [Axis break length.])
-/// #show-parameter-block("minor-grid.stroke", "stroke", [Minor grid line stroke style.])
-/// #show-parameter-block("shared-zero", ("bool", "content"), default: "$0$", [School-book style axes only: Content to display at the plots origin (0,0). If set to `false`, nothing is shown. Having this set, suppresses auto-generated ticks for $0$!])
 #let default-style = (
   tick-limit: 100,
   minor-tick-limit: 1000,

src/axis.typ

@@ -1,9 +1,11 @@
+#import "/src/ticks.typ"
+#import "/src/plot/util.typ"
 
 /// Transform linear axis value to linear space (low, high)
 #let _transform-lin(ax, value, low, high) = {
   let range = high - low
 
-  return (value - ax.low) * (range / (ax.high - ax.low))
+  return low + (value - ax.min) * (range / (ax.max - ax.min))
 }
 
 /// Transform log axis value to linear space (low, high)
@@ -14,17 +16,37 @@
     calc.log(calc.max(x, util.float-epsilon), base: ax.base)
   }
 
-  return (value - f(ax.low)) * (range / (f(ax.high) - f(ax.low)))
+  return low + (f(value) - f(ax.min)) * (range / (f(ax.max) - f(ax.min)))
 }
 
-#let linear(low, high) = (
-  low: low, high: high, transform: _transform-lin,
+/// Linear Axis Constructor
+#let linear(name, min, max) = (
+  label: [#name],
+  name: name, min: min, max: max, base: 10, transform: _transform-lin,
+  auto-domain: (none, none),
+  ticks: (step: auto, minor-step: none, format: auto, list: none),
+  grid: none,
+  compute-ticks: ticks.compute-ticks.with("lin"),
 )
 
-#let logarithmic(low, high, base) = (
-  low: low, high: high, base: base, transform: _transform-log,
+/// Log Axis Constructor
+#let logarithmic(name, min, max, base) = (
+  label: [#name],
+  name: name, min: min, max: max, base: base, transform: _transform-log,
+  auto-domain: (none, none),
+  ticks: (step: auto, minor-step: none, format: auto, list: none),
+  grid: none,
+  compute-ticks: ticks.compute-ticks.with("log"),
 )
 
+// Prepare axis
+#let prepare(ptx, ax) = {
+  if ax.min == none { ax.min = ax.auto-domain.at(0) }
+  if ax.max == none { ax.max = ax.auto-domain.at(1) }
+  if "compute-ticks" in ax { ax.computed-ticks = (ax.compute-ticks)(ax) }
+  return ax
+}
+
 /// Transform an axis value to a linear value between low and high
 /// - ax (axis): Axis
 /// - value (number): Value to transform from axis space to linear space

src/lib.typ

@@ -1,5 +1,4 @@
 #let version = version(0,1,0)
 
-#import "/src/axes.typ"
 #import "/src/plot.typ"
 #import "/src/chart.typ"