add 'g' as unit of colorbar for PGA and SA

src/seismic_hazard_forecasting.py

@@ -545,6 +545,10 @@ verbose: {verbose}")
             gradient = np.vstack((gradient, gradient)).T
             gradient = np.tile(gradient, (1, width))
 
+            colorbar_title = products[j]
+            if "PGA" in colorbar_title or "SA" in colorbar_title:
+                colorbar_title = colorbar_title + "  (g)"
+
             fig, ax = plt.subplots(figsize=((width + 40) / 100.0, (height + 20) / 100.0),
                                    dpi=100)  # Increase fig size for labels
             ax.imshow(gradient, aspect='auto', cmap=cmap.reversed(),
@@ -554,7 +558,7 @@ verbose: {verbose}")
             tick_positions = np.linspace(vmin, vmax_hd, num_ticks)
             ax.set_yticks(tick_positions)
             ax.set_yticklabels([f"{tick:.2f}" for tick in tick_positions])  # format tick labels
-            ax.set_title(products[j], pad=15)
+            ax.set_title(colorbar_title, loc='right', pad=15) 
             fig.subplots_adjust(left=0.25, right=0.75, bottom=0.05, top=0.95)  # Adjust Layout
             fig.savefig("colorbar_" + str(j) + ".svg", bbox_inches='tight')
             plt.close(fig)