91 lines
3.3 KiB
Julia
91 lines
3.3 KiB
Julia
# These functions return an operator for use in `get_clims(::Seres, op)`
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process_clims(lims::Tuple{<:Number,<:Number}) = (zlims -> ifelse.(isfinite.(lims), lims, zlims)) ∘ ignorenan_extrema
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process_clims(s::Union{Symbol,Nothing,Missing}) = ignorenan_extrema
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# don't specialize on ::Function otherwise python functions won't work
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process_clims(f) = f
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function get_clims(sp::Subplot, op=process_clims(sp[:clims]))
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zmin, zmax = Inf, -Inf
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for series in series_list(sp)
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if series[:colorbar_entry]
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zmin, zmax = _update_clims(zmin, zmax, get_clims(series, op)...)
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end
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end
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return zmin <= zmax ? (zmin, zmax) : (NaN, NaN)
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end
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function get_clims(sp::Subplot, series::Series, op=process_clims(sp[:clims]))
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zmin, zmax = if series[:colorbar_entry]
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get_clims(sp, op)
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else
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get_clims(series, op)
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end
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return zmin <= zmax ? (zmin, zmax) : (NaN, NaN)
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end
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"""
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get_clims(::Series, op=Plots.ignorenan_extrema)
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Finds the limits for the colorbar by taking the "z-values" for the series and passing them into `op`,
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which must return the tuple `(zmin, zmax)`. The default op is the extrema of the finite
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values of the input.
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"""
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function get_clims(series::Series, op=ignorenan_extrema)
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zmin, zmax = Inf, -Inf
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z_colored_series = (:contour, :contour3d, :heatmap, :histogram2d, :surface, :hexbin)
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for vals in (series[:seriestype] in z_colored_series ? series[:z] : nothing, series[:line_z], series[:marker_z], series[:fill_z])
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if (typeof(vals) <: AbstractSurface) && (eltype(vals.surf) <: Union{Missing, Real})
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zmin, zmax = _update_clims(zmin, zmax, op(vals.surf)...)
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elseif (vals !== nothing) && (eltype(vals) <: Union{Missing, Real})
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zmin, zmax = _update_clims(zmin, zmax, op(vals)...)
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end
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end
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return zmin <= zmax ? (zmin, zmax) : (NaN, NaN)
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end
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_update_clims(zmin, zmax, emin, emax) = NaNMath.min(zmin, emin), NaNMath.max(zmax, emax)
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@enum ColorbarStyle cbar_gradient cbar_fill cbar_lines
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function colorbar_style(series::Series)
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colorbar_entry = series[:colorbar_entry]
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if !(colorbar_entry isa Bool)
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@warn "Non-boolean colorbar_entry ignored."
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colorbar_entry = true
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end
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if !colorbar_entry
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nothing
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elseif isfilledcontour(series)
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cbar_fill
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elseif iscontour(series)
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cbar_lines
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elseif series[:seriestype] ∈ (:heatmap,:surface) ||
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any(series[z] !== nothing for z ∈ [:marker_z,:line_z,:fill_z])
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cbar_gradient
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else
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nothing
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end
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end
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hascolorbar(series::Series) = colorbar_style(series) !== nothing
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hascolorbar(sp::Subplot) = sp[:colorbar] != :none && any(hascolorbar(s) for s in series_list(sp))
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function get_colorbar_ticks(sp::Subplot; update = true)
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if update || !haskey(sp.attr, :colorbar_optimized_ticks)
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ticks = _transform_ticks(sp[:colorbar_ticks])
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cvals = sp[:colorbar_continuous_values]
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dvals = sp[:colorbar_discrete_values]
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clims = get_clims(sp)
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scale = sp[:colorbar_scale]
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formatter = sp[:colorbar_formatter]
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sp.attr[:colorbar_optimized_ticks] =
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get_ticks(ticks, cvals, dvals, clims, scale, formatter)
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end
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return sp.attr[:colorbar_optimized_ticks]
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end
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function _update_subplot_colorbars(sp::Subplot)
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# Dynamic callback from the pipeline if needed
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end
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