Update app.py

app.py

@@ -195,9 +195,9 @@ def _render_3d_surface(
     height_np: np.ndarray,
     rgb_img:   Image.Image = None,
     title:     str         = "3D Height",
-    grid_size: int         = 64,
-    elev:      int         = 35,
-    azim:      int         = -60,
+    grid_size: int         = 128,
+    elev:      int         = 120,
+    azim:      int         = -30,
 ) -> Image.Image:
     """
     将归一化高度图 (H, W)，值域 [0, 1]，渲染为 3D 曲面图。
@@ -236,7 +236,7 @@ def _render_3d_surface(
     ax.set_ylabel("Y")
     ax.set_zlabel("Height")
     ax.set_title(title)
-    ax.set_zlim(0.0, 1.0)
+    ax.set_zlim(0.0, 1.5)
     ax.view_init(elev=elev, azim=azim)
     plt.tight_layout()