8000 Error with get_cmap using Scatter visualization function · Issue #603 · anyoptimization/pymoo · GitHub
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Error with get_cmap using Scatter visualization function #603

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lisasoubirou opened this issue Jun 7, 2024 · 2 comments
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Error with get_cmap using Scatter visualization function #603

lisasoubirou opened this issue Jun 7, 2024 · 2 comments

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@lisasoubirou
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Hi,
I was trying to plot some results with the Scatter visualization function, but I got the following error:
error
I found this "issue" Re-add matplotlib.cm.get_cmap from matplotlib: matplotlib/matplotlib#28355
Replacing self.cmap = matplotlib.cm.get_cmap(cmap) by self.cmap = plt.get_cmap(cmap) in the Plot.init() function solved my problem. I just wanted to point out this issue with the latest version of matplotlib (3.9)
@tacaswell
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Please use matplotlib.colormaps.get_cmap() instead.

@blankjul
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Does the current main branch work for you? There I have already merged a PR (Fixed the Plot Issue #593) where it is the following:

      # the colormap or the color lists to use
      if isinstance(cmap, str):
          self.cmap = matplotlib.pyplot.get_cmap(cmap)
      else:
          self.cmap = cmap

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@tacaswell @blankjul @lisasoubirou
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