1 files changed, 13 insertions, 1 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_volume_to_mesh.cc b/source/blender/nodes/geometry/nodes/node_geo_volume_to_mesh.cc
index e5827c24320..e1d1c67b8c8 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_volume_to_mesh.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_volume_to_mesh.cc
@@ -41,7 +41,9 @@ static void node_declare(NodeDeclarationBuilder &b)
       .make_available([](bNode &node) {
         node_storage(node).resolution_mode = VOLUME_TO_MESH_RESOLUTION_MODE_VOXEL_AMOUNT;
       });
-  b.add_input<decl::Float>(N_("Threshold")).default_value(0.1f).min(0.0f);
+  b.add_input<decl::Float>(N_("Threshold"))
+      .default_value(0.1f)
+      .description(N_("Values larger than the threshold are inside the generated mesh"));
   b.add_input<decl::Float>(N_("Adaptivity")).min(0.0f).max(1.0f).subtype(PROP_FACTOR);
   b.add_output<decl::Geometry>(N_("Mesh"));
 }
@@ -151,6 +153,16 @@ static Mesh *create_mesh_from_volume(GeometrySet &geometry_set, GeoNodeExecParam
   }
 
   const bke::VolumeToMeshResolution resolution = get_resolution_param(params);
+
+  if (resolution.mode == VOLUME_TO_MESH_RESOLUTION_MODE_VOXEL_SIZE &&
+      resolution.settings.voxel_size <= 0.0f) {
+    return nullptr;
+  }
+  if (resolution.mode == VOLUME_TO_MESH_RESOLUTION_MODE_VOXEL_AMOUNT &&
+      resolution.settings.voxel_amount <= 0) {
+    return nullptr;
+  }
+
   const Main *bmain = DEG_get_bmain(params.depsgraph());
   BKE_volume_load(volume, bmain);