Dreamview: Migrate to get sim_map from global map_dir. (#918)

modules/dreamview/backend/common/dreamview_gflags.cc

@@ -18,9 +18,6 @@
 
 DEFINE_string(dreamview_module_name, "dreamview", "dreamview module name");
 
-DEFINE_string(dreamview_map, "modules/map/data/sim_map.txt",
-              "File path for the map file to be rendered in frontend.");
-
 DEFINE_string(static_file_dir, "modules/dreamview/frontend/dist",
               "The path to the dreamview distribution directory. The default "
               "value points to built-in version from the Apollo project.");

modules/dreamview/backend/common/dreamview_gflags.h

@@ -19,8 +19,6 @@
 
 #include "gflags/gflags.h"
 
-DECLARE_string(dreamview_map);
-
 DECLARE_string(dreamview_module_name);
 
 DECLARE_string(static_file_dir);

modules/dreamview/backend/dreamview.cc

@@ -20,6 +20,7 @@
 #include "modules/common/adapters/proto/adapter_config.pb.h"
 #include "modules/common/configs/vehicle_config_helper.h"
 #include "modules/common/time/time.h"
+#include "modules/map/hdmap/hdmap_util.h"
 
 #include "modules/dreamview/backend/common/dreamview_gflags.h"
 
@@ -52,7 +53,7 @@ Status Dreamview::Init() {
   websocket_.reset(new WebSocketHandler());
   server_->addWebSocketHandler("/websocket", *websocket_);
 
-  map_service_.reset(new MapService(FLAGS_dreamview_map));
+  map_service_.reset(new MapService(apollo::hdmap::SimMapFile()));
   sim_world_updater_.reset(new SimulationWorldUpdater(
       websocket_.get(), map_service_.get(), FLAGS_routing_from_file));
   sim_control_.reset(new SimControl());

modules/dreamview/conf/dreamview.conf

---adapter_config_path=modules/dreamview/conf/adapter.conf
---dreamview_map=modules/map/data/sunnyvale_office.sim_map.bin
+--adapter_config_path=modules/dreamview/conf/adapter.conf
\ No newline at end of file