Format plot to use horizontal bars and resemble Annif Web UI

app.py

@@ -55,14 +55,40 @@ def process(image, project_num: int, lang: str = "eng"):
         labels = [res['label'] for res in results]
         scores = [res['score'] for res in results]
 
-        # Create a bar plot
-        fig = go.Figure(data=[go.Bar(x=labels, y=scores)])
+        # Create a horizontal bar plot
+        fig = go.Figure()
+
+        # Add bars
+        fig.add_trace(go.Bar(
+            y=labels[::-1],  # Reverse order to have highest score at top
+            x=scores[::-1],
+            orientation='h',
+            marker_color='lightblue',
+            width=0.6,  # Adjust bar width
+        ))
+
+        # Customize the layout
         fig.update_layout(
-            title="Annif Suggestion Scores",
-            xaxis_title="Labels",
-            yaxis_title="Scores"
+            title="SUGGESTED SUBJECTS",
+            title_font=dict(size=16, color='black', family='Arial, sans-serif'),
+            xaxis=dict(
+                title=None,
+                showticklabels=False,
+                showgrid=False,
+                zeroline=False,
+            ),
+            yaxis=dict(
+                title=None,
+                tickfont=dict(size=12, color='black', family='Arial, sans-serif'),
+            ),
+            margin=dict(l=10, r=10, t=40, b=10),
+            height=400,
+            plot_bgcolor='white',
         )
 
+        # Remove the plotly logo
+        fig.update_layout(showlegend=False)
+
         return text, fig
     except Exception as e:
         return str(e), None