Set twist_marker/use_stamped to default true, to match twist_mux (#55)

Author: TWALL9

src/twist_marker.cpp

@@ -108,12 +108,12 @@ class TwistMarkerPublisher : public rclcpp::Node
   {
     std::string frame_id;
     double scale;
-    bool use_stamped;
+    bool use_stamped = true;
     double z;
 
     this->declare_parameter("frame_id", "base_footprint");
     this->declare_parameter("scale", 1.0);
-    this->declare_parameter("use_stamped", false);
+    this->declare_parameter("use_stamped", true);
     this->declare_parameter("vertical_position", 2.0);
 
     this->get_parameter<std::string>("frame_id", frame_id);

src/twist_mux.cpp

@@ -78,7 +78,9 @@ TwistMux::TwistMux()
 void TwistMux::init()
 {
   // Get use stamped parameter
-  bool use_stamped;
+  bool use_stamped = true;
+  this->declare_parameter("use_stamped", use_stamped);
+
   auto nh = std::shared_ptr<rclcpp::Node>(this, [](rclcpp::Node *) {});
   fetch_param(nh, "use_stamped", use_stamped);