🎨 switch colors and show model tag for color

- based on seaborn example of _ColorPalette

project/01_2_performance_plots.ipynb

@@ -522,7 +522,7 @@
    "outputs": [],
    "source": [
     "COLORS_TO_USE = vaep.plotting.defaults.assign_colors(list(k.upper() for k in ORDER_MODELS))\n",
-    "sns.color_palette(COLORS_TO_USE)"
+    "vaep.plotting.defaults.ModelColorVisualizer(ORDER_MODELS, COLORS_TO_USE)"
    ]
   },
   {

project/01_2_performance_plots.py

@@ -265,7 +265,7 @@ def build_text(s):
 
 # %%
 COLORS_TO_USE = vaep.plotting.defaults.assign_colors(list(k.upper() for k in ORDER_MODELS))
-sns.color_palette(COLORS_TO_USE)
+vaep.plotting.defaults.ModelColorVisualizer(ORDER_MODELS, COLORS_TO_USE)
 
 # %%
 TOP_N_ORDER = ORDER_MODELS[:args.plot_to_n]

vaep/plotting/defaults.py

@@ -1,4 +1,5 @@
 import logging
+import matplotlib as mpl
 import seaborn as sns
 
 logger = logging.getLogger(__name__)
@@ -22,10 +23,11 @@
 # other_colors = sns.color_palette()[8:]
 other_colors = sns.color_palette("husl", 20)
 color_model_mapping['IMPSEQ'] = other_colors[0]
+color_model_mapping['QRILC'] = other_colors[1]
 color_model_mapping['IMPSEQROB'] = other_colors[1]
 color_model_mapping['MICE-NORM'] = other_colors[2]
 color_model_mapping['SEQKNN'] = other_colors[3]
-color_model_mapping['QRILC'] = other_colors[4]
+color_model_mapping['IMPSEQROB'] = other_colors[4]
 color_model_mapping['GSIMP'] = other_colors[5]
 color_model_mapping['MSIMPUTE'] = other_colors[6]
 color_model_mapping['MSIMPUTE_MNAR'] = other_colors[7]
@@ -49,6 +51,32 @@ def assign_colors(models):
     return ret_colors
 
 
+class ModelColorVisualizer:
+
+    def __init__(self, models, palette):
+        self.models = models
+        self.palette = map(mpl.colors.colorConverter.to_rgb, palette)
+
+    def as_hex(self):
+        """Return a color palette with hex codes instead of RGB values."""
+        hex = [mpl.colors.rgb2hex(rgb) for rgb in self.palette]
+        return hex
+
+    def _repr_html_(self):
+        """Rich display of the color palette in an HTML frontend."""
+        s = 55
+        n = len(self.models)
+        html = f'<svg  width="{s*2}" height="{s*n/2}">'
+        for i, (m, c) in enumerate(zip(self.models, self.as_hex())):
+            html += (
+                f'<rect x="0" y="{i * s /2}" width="{s*2}" height="{s/2}" style="fill:{c};'
+                'stroke-width:2;stroke:rgb(255,255,255)" metadata="tt"/>'
+            )
+            html += f'<text x="{4}" y="{(i * s / 2) + 20}" font-size="12" fill="black">{m}</text>'
+        html += '</svg>'
+        return html
+
+
 labels_dict = {"NA not interpolated valid_collab collab MSE": 'MSE',
                'batch_size': 'bs',
                'n_hidden_layers': "No. of hidden layers",