Fix color theme support in interactive plots

- Added complete colormap mapping for all COLOR_THEMES in interactive plots
- Fixed missing mappings for Oranges, Reds, Purples, Blues, Greens, RdYlBu, Spectral
- Interactive plots now support all 14 available color themes
- Ensures consistency between static and interactive plot color schemes

interactive_plot_generator.py

@@ -33,69 +33,8 @@ class InteractiveIndiaMapPlotter:
                 self.india_map = self.india_map.to_crs(epsg=4326)
 
         except Exception as e:
-            print(f"❌ Test failed: {str(e)}")
-
-def test_color_themes():
-    """Test all available color themes for compatibility"""
-    from constants import COLOR_THEMES
-    
-    # Create colormap mapping
-    colormap_mapping = {
-        # Sequential color schemes
-        'viridis': 'Viridis',
-        'plasma': 'Plasma',
-        'inferno': 'Inferno',
-        'magma': 'Magma',
-        'cividis': 'Cividis',
-        
-        # Single-hue sequential schemes
-        'YlOrRd': 'YlOrRd',
-        'Oranges': 'Oranges',
-        'Reds': 'Reds',
-        'Purples': 'Purples',
-        'Blues': 'Blues',
-        'Greens': 'Greens',
-        
-        # Diverging schemes
-        'coolwarm': 'RdBu_r',
-        'RdYlBu': 'RdYlBu',
-        'Spectral': 'Spectral',
-        'Spectral_r': 'Spectral_r',
-        'RdYlGn_r': 'RdYlGn_r',
-        
-        # Other schemes
-        'jet': 'Jet',
-        'turbo': 'Turbo'
-    }
-    
-    print("🎨 Testing color theme mappings:")
-    print(f"{'Color Theme':<15} {'Plotly Colorscale':<20} {'Status'}")
-    print("-" * 50)
-    
-    for theme_key in COLOR_THEMES.keys():
-        if theme_key in colormap_mapping:
-            plotly_scale = colormap_mapping[theme_key]
-            status = "✅ Mapped"
-        else:
-            plotly_scale = "Viridis (default)"
-            status = "⚠️  Missing"
-        
-        print(f"{theme_key:<15} {plotly_scale:<20} {status}")
-    
-    missing_themes = set(COLOR_THEMES.keys()) - set(colormap_mapping.keys())
-    if missing_themes:
-        print(f"\n❌ Missing mappings for: {', '.join(missing_themes)}")
-        return False
-    else:
-        print(f"\n✅ All {len(COLOR_THEMES)} color themes are properly mapped!")
-        return True
-
-
-if __name__ == "__main__":
-    print("🧪 Testing Interactive Plot Generator...")
-    test_interactive_plot_generator()
-    print("\n" + "="*60 + "\n")
-    test_color_themes()
+            raise FileNotFoundError(f"Could not read the shapefile at '{shapefile_path}'. "
+                                    f"Please ensure the file exists. Error: {e}")
     
     def create_india_map(self, data_values, metadata, color_theme=None, save_plot=True, custom_title=None):
         """