Update app.py

app.py

@@ -178,7 +178,7 @@ def extrude_depth_3d(
     #depth_image_new[depth_image_new < 0] = 0
     depth_image = median_filter(depth_image, size=filter_size)
     depth_image = emboss*(depth_image - np.min(depth_image)) / (np.max(depth_image) - np.min(depth_image))
-    depth_image = np.where(depth_image != 0.0, depth_image + lift_height, 0.0)
+    depth_image = np.where(depth_image != 1.0, depth_image + lift_height, 1.0)
     Image.fromarray((depth_image * 255).astype(np.uint8)).convert("L").save(path_out_base+".png")
     rgb_image = np.array(
         Image.open(path_rgb).convert("RGB").resize((w, h), Image.Resampling.LANCZOS)