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Update deprecated colormap APIs #38

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Merged
merged 2 commits into from
Jun 10, 2024
Merged

Update deprecated colormap APIs #38

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d4f42f7
Update API compatible with Matplotlib v3.9
henry2004y Jun 10, 2024
88179e2
Update README.md for colormap APIs
henry2004y Jun 10, 2024
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6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -165,13 +165,13 @@ colors in various plot types). In particular:

* Even more general color maps may be defined by passing arrays of (x,y0,y1) tuples for the red, green, blue, and (optionally) alpha components, as defined by the [matplotlib.colors.LinearSegmentedColormap](http://matplotlib.org/api/colors_api.html#matplotlib.colors.LinearSegmentedColormap) constructor, via: `ColorMap{T<:Real}(name::String, r::AbstractVector{(T,T,T)}, g::AbstractVector{(T,T,T)}, b::AbstractVector{(T,T,T)}, n=256, gamma=1.0)` or `ColorMap{T<:Real}(name::String, r::AbstractVector{(T,T,T)}, g::AbstractVector{(T,T,T)}, b::AbstractVector{(T,T,T)}, alpha::AbstractVector{(T,T,T)}, n=256, gamma=1.0)`

* `ColorMap(name::String)` returns an existing (registered) colormap, equivalent to [matplotlib.cm.get_cmap](http://matplotlib.org/api/cm_api.html#matplotlib.cm.get_cmap)(`name`).
* `ColorMap(name::String)` returns an existing (registered) colormap, equivalent to [matplotlib.pyplot.get_cmap](http://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.get_cmap.html#matplotlib-pyplot-get-cmap)(`name`).

* `matplotlib.colors.Colormap` objects returned by Python functions are automatically converted to the `ColorMap` type.

* `get_cmap(name::String)` or `get_cmap(name::String, lut::Integer)` call the [matplotlib.cm.get_cmap](http://matplotlib.org/api/cm_api.html#matplotlib.cm.get_cmap) function.
* `get_cmap(name::String)` or `get_cmap(name::String, lut::Integer)` call the [matplotlib.pyplot.get_cmap](https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.get_cmap.html#matplotlib-pyplot-get-cmap) function.

* `register_cmap(c::ColorMap)` or `register_cmap(name::String, c::ColorMap)` call the [matplotlib.cm.register_cmap](http://matplotlib.org/api/cm_api.html#matplotlib.cm.register_cmap) function.
* `register_cmap(c::ColorMap)` or `register_cmap(name::String, c::ColorMap)` call the [matplotlib.colormaps.register](https://matplotlib.org/stable/api/cm_api.html#matplotlib.cm.ColormapRegistry.register) function.

* `get_cmaps()` returns a `Vector{ColorMap}` of the currently
registered colormaps.
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4 changes: 2 additions & 2 deletions src/colormaps.jl
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Expand Up @@ -48,8 +48,8 @@ function init_colormaps()

PythonCall.pycopy!(LinearSegmentedColormap, colorsm.LinearSegmentedColormap)

PythonCall.pycopy!(cm_get_cmap, cm.get_cmap)
PythonCall.pycopy!(cm_register_cmap, cm.register_cmap)
PythonCall.pycopy!(cm_get_cmap, pyhasattr(pyplot, "get_cmap") ? pyplot.get_cmap : cm.get_cmap)
PythonCall.pycopy!(cm_register_cmap, pyhasattr(matplotlib.colormaps, "register") ? matplotlib.colormaps.register : cm.register_cmap)

PythonCall.pycopy!(ScalarMappable, cm.ScalarMappable)
PythonCall.pycopy!(Normalize01, pycall(colorsm.Normalize; vmin=0,vmax=1))
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