fix hope.json

hope.json

@@ -1347,3 +1347,31 @@
           }
         },
         "dem": null,
+        "header-string": null,
+        "color-mode": "SinglebandGrey",
+        "colorinterp": null,
+        "filter": null,
+        "bbox": null,
+        "mapscale": 0,
+        "map_size": 0,
+        "image_folder": "test_data/images",
+        "bh-data": {
+          "x-field": null,
+          "y-field": null,
+          "z-field": null,
+          "id-field": null,
+          "inc-field": null,
+          "azi-field": null,
+          "from-field": null,
+          "to-field": null,
+          "data-field": null,
+          "data-source": null,
+          "log-id-field": null,
+          "Legend": null,
+          "eoh-field": null
+        }
+      },
+      "proj4": ""
+    }
+  ]
+}