+--- Sets param2 of a region.\r
+-- @param pos1\r
+-- @param pos2\r
+-- @param param2 Value of param2 to set\r
+-- @return The number of nodes set.\r
+function worldedit.set_param2(pos1, pos2, param2)\r
+ pos1, pos2 = worldedit.sort_pos(pos1, pos2)\r
+\r
+ local manip, area = mh.init(pos1, pos2)\r
+ local param2_data = manip:get_param2_data()\r
+\r
+ -- Set param2 for every node\r
+ for i in area:iterp(pos1, pos2) do\r
+ param2_data[i] = param2\r
+ end\r
+\r
+ -- Update map\r
+ manip:set_param2_data(param2_data)\r
+ manip:write_to_map()\r
+ manip:update_map()\r
+\r
+ return worldedit.volume(pos1, pos2)\r
+end\r