add alternating grey background

dtararukhin · Feb 25, 2020 · 10e4219 · 10e4219
1 parent c27f763
commit 10e4219
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -11,7 +11,7 @@
     name='supervenn',
     license='MIT',
     description='supervenn is a tool for visualization of relations of many sets using matplotlib',
-    version='0.1.8',
+    version='0.1.9',
     long_description='See https://github.com/gecko984/supervenn/blob/master/README.md',
     url='https://github.com/gecko984/supervenn',
     packages=setuptools.find_packages(),

diff --git a/supervenn/_plots.py b/supervenn/_plots.py
@@ -108,6 +108,11 @@ def plot_binary_array(arr, ax=None, col_widths=None, row_heights=None, min_width
 
         bar_y = grid_y + 0.5 * row_height if bar_align == 'center' else grid_y
 
+        # alternating background
+        if row_index % 2:
+            plt.barh(y=bar_y, left=0, width=sum(col_widths), height=bar_height * row_height, align=bar_align,
+                     color='grey', alpha=0.15)
+
         for col_index, (is_filled, grid_x, col_width) in enumerate(zip(row, grid_xs, col_widths)):
             if is_filled:
                 color_index = row_index if color_by == 'row' else col_index