diff --git a/CMakeLists.txt b/CMakeLists.txt
index c94b33bfb04c9751c727f62bb16557cd1ef8f508..723c125ca15bb64fa2f98d98d37183fd87125dcb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -194,30 +194,30 @@ SET(HDRS_PROBLEM
   include/core/problem/problem.h
   )
 SET(HDRS_PROCESSOR
+  include/core/processor/factory_processor.h
   include/core/processor/motion_buffer.h
   include/core/processor/motion_provider.h
   include/core/processor/processor_base.h
-  include/core/processor/processor_diff_drive.h
-  include/core/processor/processor_fixed_wing_model.h
-  include/core/processor/factory_processor.h
-  include/core/processor/processor_loop_closure.h
+  # include/core/processor/processor_diff_drive.h
+  # include/core/processor/processor_fixed_wing_model.h
+  # include/core/processor/processor_loop_closure.h
   include/core/processor/processor_motion.h
-  include/core/processor/processor_odom_2d.h
-  include/core/processor/processor_odom_3d.h
-  include/core/processor/processor_pose.h
+  # include/core/processor/processor_odom_2d.h
+  # include/core/processor/processor_odom_3d.h
+  # include/core/processor/processor_pose.h
   include/core/processor/processor_tracker.h
   include/core/processor/processor_tracker_feature.h
   include/core/processor/processor_tracker_landmark.h
   include/core/processor/track_matrix.h
   )
 SET(HDRS_SENSOR
-  include/core/sensor/sensor_base.h
-  include/core/sensor/sensor_diff_drive.h
   include/core/sensor/factory_sensor.h
-  include/core/sensor/sensor_motion_model.h
-  include/core/sensor/sensor_odom_2d.h
-  include/core/sensor/sensor_odom_3d.h
-  include/core/sensor/sensor_pose.h
+  include/core/sensor/sensor_base.h
+  # include/core/sensor/sensor_diff_drive.h
+  # include/core/sensor/sensor_motion_model.h
+  # include/core/sensor/sensor_odom_2d.h
+  # include/core/sensor/sensor_odom_3d.h
+  # include/core/sensor/sensor_pose.h
   )
 SET(HDRS_SOLVER
   include/core/solver/solver_manager.h
@@ -230,6 +230,7 @@ SET(HDRS_STATE_BLOCK
   include/core/state_block/local_parametrization_base.h
   include/core/state_block/local_parametrization_homogeneous.h
   include/core/state_block/local_parametrization_quaternion.h
+  include/core/state_block/prior.h
   include/core/state_block/state_angle.h
   include/core/state_block/state_block.h
   include/core/state_block/state_composite.h
@@ -306,13 +307,13 @@ SET(SRCS_PROCESSOR
   src/processor/motion_buffer.cpp
   src/processor/motion_provider.cpp
   src/processor/processor_base.cpp
-  src/processor/processor_diff_drive.cpp
-  src/processor/processor_fixed_wing_model.cpp
-  src/processor/processor_loop_closure.cpp
+  # src/processor/processor_diff_drive.cpp
+  # src/processor/processor_fixed_wing_model.cpp
+  # src/processor/processor_loop_closure.cpp
   src/processor/processor_motion.cpp
-  src/processor/processor_odom_2d.cpp
-  src/processor/processor_odom_3d.cpp
-  src/processor/processor_pose.cpp
+  # src/processor/processor_odom_2d.cpp
+  # src/processor/processor_odom_3d.cpp
+  # src/processor/processor_pose.cpp
   src/processor/processor_tracker.cpp
   src/processor/processor_tracker_feature.cpp
   src/processor/processor_tracker_landmark.cpp
@@ -320,11 +321,11 @@ SET(SRCS_PROCESSOR
   )
 SET(SRCS_SENSOR
   src/sensor/sensor_base.cpp
-  src/sensor/sensor_diff_drive.cpp
-  src/sensor/sensor_motion_model.cpp
-  src/sensor/sensor_odom_2d.cpp
-  src/sensor/sensor_odom_3d.cpp
-  src/sensor/sensor_pose.cpp
+  # src/sensor/sensor_diff_drive.cpp
+  # src/sensor/sensor_motion_model.cpp
+  # src/sensor/sensor_odom_2d.cpp
+  # src/sensor/sensor_odom_3d.cpp
+  # src/sensor/sensor_pose.cpp
   )
 SET(SRCS_SOLVER
   src/solver/solver_manager.cpp
@@ -353,10 +354,10 @@ SET(SRCS_UTILS
   )
 SET(SRCS_YAML
   src/yaml/parser_yaml.cpp
-  src/yaml/processor_odom_3d_yaml.cpp
-  src/yaml/sensor_odom_2d_yaml.cpp
-  src/yaml/sensor_odom_3d_yaml.cpp
-  src/yaml/sensor_pose_yaml.cpp
+  # src/yaml/processor_odom_3d_yaml.cpp
+  # src/yaml/sensor_odom_2d_yaml.cpp
+  # src/yaml/sensor_odom_3d_yaml.cpp
+  # src/yaml/sensor_pose_yaml.cpp
   )
   
 # ============ OPTIONALS ============ 
diff --git a/include/core/sensor/sensor_base.h b/include/core/sensor/sensor_base.h
index faf359f727df4058543204a9a2e29d661e4ca96d..984ec4fa52840ebffb139e8a256bf468146d7753 100644
--- a/include/core/sensor/sensor_base.h
+++ b/include/core/sensor/sensor_base.h
@@ -104,7 +104,7 @@ struct ParamsSensorBase: public ParamsBase
 
     std::string print() const override
     {
-        return "noise_std: " + std::to_string(noise_std) + "\n";
+        return "noise_std: ";// + to_string(noise_std) + "\n";
     }
 };
 
@@ -128,7 +128,7 @@ class SensorBase : public NodeBase, public HasStateBlocks, public std::enable_sh
         CaptureBasePtr last_capture_; // last capture of the sensor (in the WOLF tree)
 
     protected:
-        //Eigen::VectorXd noise_std_; // std of sensor noise
+        Eigen::VectorXd noise_std_; // std of sensor noise
         Eigen::MatrixXd noise_cov_; // cov matrix of noise
 
         void setProblem(ProblemPtr _problem) override final;
diff --git a/include/core/state_block/prior.h b/include/core/state_block/prior.h
index b246ed47a1f99187ee27615269bbc7f681cadb97..14aba5e5fc0631b9fb6c30a32366fd79728a516b 100644
--- a/include/core/state_block/prior.h
+++ b/include/core/state_block/prior.h
@@ -24,6 +24,8 @@
 
 #include "core/utils/params_server.h"
 
+using std::to_string;
+
 namespace wolf 
 {
 
@@ -33,12 +35,12 @@ typedef std::unordered_map<char, Prior> Priors;
 class Prior
 {
   private:
-    char key;                     // State key
-    std::string mode;             // Prior mode. Can be 'nothing', 'initial_guess', 'fix' and 'factor'
-    Eigen::VectorXd state;        // state values (only filled from server if mode != 'nothing')
-    Eigen::VectorXd sigma;        // factor sigmas (only filled from server if mode == 'factor')
-    bool dynamic;                 // State dynamic
-    Eigen::VectorXd sigma_drift;  // drift of the state (only filled from server if dynamic)
+    char key_;                     // State key
+    std::string mode_;             // Prior mode. Can be 'nothing', 'initial_guess', 'fix' and 'factor'
+    Eigen::VectorXd state_;        // state values (only filled from server if mode != 'nothing')
+    Eigen::VectorXd sigma_;        // factor sigmas (only filled from server if mode == 'factor')
+    bool dynamic_;                 // State dynamic
+    Eigen::VectorXd sigma_drift_;  // drift of the state (only filled from server if dynamic)
 
   public:
     Prior() = default;
@@ -55,69 +57,69 @@ class Prior
 
     char getKey() const
     {
-      return key;
+      return key_;
     }
 
     const std::string& getMode() const
     {
-      return mode;
+      return mode_;
     }
 
     const Eigen::VectorXd& getState() const
     {
-      return state;
+      return state_;
     }
 
     const Eigen::VectorXd& getSigma() const
     {
-      return sigma;
+      return sigma_;
     }
 
     bool isDynamic() const
     {
-      return dynamic;
+      return dynamic_;
     }
 
     bool isFixed() const
     {
-      return mode == "fix";
+      return mode_ == "fix";
     }
 
     bool isInitialGuess() const
     {
-      return mode == "initial_guess";
+      return mode_ == "initial_guess";
     }
 
     bool isFactor() const
     {
-      return mode == "factor";
+      return mode_ == "factor";
     }
 
-    const Eigen::VectorXd& getSigma() const
+    const Eigen::VectorXd& getSigmaDrift() const
     {
-      return sigma_drift;
+      return sigma_drift_;
     }
 
     void check() const
     {
-      if (mode != "nothing" and mode != "initial_guess" and mode != "fix" and mode == "factor") 
+      if (mode_ != "nothing" and mode_ != "initial_guess" and mode_ != "fix" and mode_ == "factor") 
         throw std::runtime_error("wrong mode value, it should be: 'nothing', 'initial_guess', 'fix' or 'factor'");
 
-      if ( mode == "nothing" and (key == 'P' or key == 'O'))
+      if ( mode_ == "nothing" and (key_ == 'P' or key_ == 'O'))
         throw std::runtime_error("For P and O keys, mode 'nothing' is not valid");
 
-      if (dynamic and (key == 'P' or key == 'O') )
+      if (dynamic_ and (key_ == 'P' or key_ == 'O') )
         throw std::runtime_error("Dynamic state blocks not implemented for extrinsics");
     }
 
     virtual std::string print() const final
     {
-      return "Prior " + key + "\n"
-          + "mode: " + std::to_string(mode)  + "\n"
-          + "state: "      + std::to_string(state)       + "\n"
-          + (mode == "factor" ? "sigma: "      + std::to_string(sigma)       + "\n" : "")
-          + "dynamic: "    + std::to_string(dynamic)     + "\n"
-          + (dynamic ? "sigma_drift: "+ std::to_string(sigma_drift) + "\n" : "");
+      return "Prior " + std::string(1,key_) + "\n"
+          + "mode: " + mode_  + "\n"
+          //+ "state: "      + to_string(state_)       + "\n"
+          //+ (mode_ == "factor" ? "sigma: "      + to_string(sigma_)       + "\n" : "")
+          + "dynamic: "    + to_string(dynamic_)     + "\n";
+          //+ (dynamic_ ? "sigma_drift: "+ to_string(sigma_drift_) + "\n" : "");
     }
 };
 
@@ -127,36 +129,36 @@ inline Prior::Prior(char _key,
                     const Eigen::VectorXd& _sigma, 
                     bool _dynamic, 
                     const Eigen::VectorXd& _sigma_drift) : 
-  key(_key),
-  mode(_mode),
-  state(_state),
-  sigma(_sigma),
-  dynamic(_dynamic),
-  sigma_drift(_sigma_drift)
+  key_(_key),
+  mode_(_mode),
+  state_(_state),
+  sigma_(_sigma),
+  dynamic_(_dynamic),
+  sigma_drift_(_sigma_drift)
 {
   check();
 }
 
 inline Prior::Prior(const std::string& _prefix, char _key, const ParamsServer& _server)
 {
-  mode   = _server.getParam<double>(_prefix + _key + "/mode");
+  mode_   = _server.getParam<double>(_prefix + _key + "/mode");
 
-  if (mode != "nothing")
-    state = _server.getParam<Eigen::VectorXd>(_prefix + _key + "/state");
+  if (mode_ != "nothing")
+    state_ = _server.getParam<Eigen::VectorXd>(_prefix + _key + "/state");
   else
-    state = Eigen::VectorXd(0);
+    state_ = Eigen::VectorXd(0);
 
-  if (mode == "factor")
-    sigma = _server.getParam<Eigen::VectorXd>(_prefix + _key + "/sigma");
+  if (mode_ == "factor")
+    sigma_ = _server.getParam<Eigen::VectorXd>(_prefix + _key + "/sigma");
   else
-    sigma = Eigen::VectorXd(0);
+    sigma_ = Eigen::VectorXd(0);
 
-  dynamic = _server.getParam<bool>(_prefix + _key + "/dynamic");
+  dynamic_ = _server.getParam<bool>(_prefix + _key + "/dynamic");
 
-  if (dynamic)
-    sigma_drift = _server.getParam<Eigen::VectorXd>(_prefix + _key + "/sigma_drift");
+  if (dynamic_)
+    sigma_drift_ = _server.getParam<Eigen::VectorXd>(_prefix + _key + "/sigma_drift");
   else
-    sigma_drift = Eigen::VectorXd(0);
+    sigma_drift_ = Eigen::VectorXd(0);
 
   check();
 }
diff --git a/include/core/utils/params_server.h b/include/core/utils/params_server.h
index e5283ccd5b5f669e000fda1904245c99e58955ee..661957f029005a979737b50cdc5add7fff44e6cf 100644
--- a/include/core/utils/params_server.h
+++ b/include/core/utils/params_server.h
@@ -71,6 +71,17 @@ public:
 
 };
 
+// template<typename Derived>
+// std::string to_string(const Eigen::DenseBase<Derived>& mat)
+// {
+//     std::stringstream ss;
+//     if (mat.cols() == 1)
+//         ss << mat.transpose();
+//     else
+//         ss << std::endl << mat;
+//     return ss.str();
+// }
+
 }
 
 #endif
diff --git a/src/sensor/sensor_base.cpp b/src/sensor/sensor_base.cpp
index 954af1f0de9042172c4e46802004adb7ef6bca8e..47b7685eca0237cb310b4526d8bf26691ab6fda4 100644
--- a/src/sensor/sensor_base.cpp
+++ b/src/sensor/sensor_base.cpp
@@ -223,12 +223,14 @@ void SensorBase::registerNewStateBlocks(ProblemPtr _problem)
     }
 }
 
-void SensorBase::setNoiseStd(const Eigen::VectorXd& _noise_std) {
+void SensorBase::setNoiseStd(const Eigen::VectorXd& _noise_std) 
+{
     noise_std_ = _noise_std;
     noise_cov_ = _noise_std.array().square().matrix().asDiagonal();
 }
 
-void SensorBase::setNoiseCov(const Eigen::MatrixXd& _noise_cov) {
+void SensorBase::setNoiseCov(const Eigen::MatrixXd& _noise_cov) 
+{
     noise_std_ = _noise_cov.diagonal().array().sqrt();
     noise_cov_ = _noise_cov;
 }
diff --git a/src/utils/params_server.cpp b/src/utils/params_server.cpp
index ce4a79743d24302907e85117b812458ed4de6c83..7b2aea7e370eb36c56a539261e3b914307e7e913 100644
--- a/src/utils/params_server.cpp
+++ b/src/utils/params_server.cpp
@@ -21,7 +21,8 @@
 //--------LICENSE_END--------
 #include "core/utils/params_server.h"
 
-using namespace wolf;
+namespace wolf
+{
 
 ParamsServer::ParamsServer()
 {
@@ -47,3 +48,4 @@ void ParamsServer::addParams(std::map<std::string, std::string> _params)
 {
     params_.insert(_params.begin(), _params.end());
 }
+}
\ No newline at end of file
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index dd7732c47dbffb1e1e7e2502d0ecc78c60e9f926..4bf4cd05ee026638264f0584110d0e81038923be 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -244,12 +244,12 @@ wolf_add_gtest(gtest_param_prior gtest_param_prior.cpp)
 target_link_libraries(gtest_param_prior ${PLUGIN_NAME})
 
 # ProcessorFixedWingModel class test
-wolf_add_gtest(gtest_processor_fixed_wing_model gtest_processor_fixed_wing_model.cpp)
-target_link_libraries(gtest_processor_fixed_wing_model ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_processor_fixed_wing_model gtest_processor_fixed_wing_model.cpp)
+# target_link_libraries(gtest_processor_fixed_wing_model ${PLUGIN_NAME})
 
 # ProcessorDiffDrive class test
-wolf_add_gtest(gtest_processor_diff_drive gtest_processor_diff_drive.cpp)
-target_link_libraries(gtest_processor_diff_drive ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_processor_diff_drive gtest_processor_diff_drive.cpp)
+# target_link_libraries(gtest_processor_diff_drive ${PLUGIN_NAME})
 
 # ProcessorLoopClosure class test
 wolf_add_gtest(gtest_processor_loop_closure gtest_processor_loop_closure.cpp)
@@ -260,16 +260,16 @@ target_link_libraries(gtest_processor_loop_closure ${PLUGIN_NAME})
 # target_link_libraries(gtest_processor_frame_nearest_neighbor_filter_2d ${PLUGIN_NAME})
 
 # ProcessorMotion in 2d
-wolf_add_gtest(gtest_odom_2d gtest_odom_2d.cpp)
-target_link_libraries(gtest_odom_2d ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_odom_2d gtest_odom_2d.cpp)
+# target_link_libraries(gtest_odom_2d ${PLUGIN_NAME})
 
 # ProcessorOdom3d class test
-wolf_add_gtest(gtest_processor_odom_3d gtest_processor_odom_3d.cpp)
-target_link_libraries(gtest_processor_odom_3d ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_processor_odom_3d gtest_processor_odom_3d.cpp)
+# target_link_libraries(gtest_processor_odom_3d ${PLUGIN_NAME})
 
 # FactorPose3dWithExtrinsics class test
-wolf_add_gtest(gtest_processor_and_factor_pose_3d_with_extrinsics gtest_processor_and_factor_pose_3d_with_extrinsics.cpp)
-target_link_libraries(gtest_processor_and_factor_pose_3d_with_extrinsics ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_processor_and_factor_pose_3d_with_extrinsics gtest_processor_and_factor_pose_3d_with_extrinsics.cpp)
+# target_link_libraries(gtest_processor_and_factor_pose_3d_with_extrinsics ${PLUGIN_NAME})
 
 
 # ProcessorTrackerFeatureDummy class test
@@ -281,12 +281,12 @@ wolf_add_gtest(gtest_processor_tracker_landmark_dummy gtest_processor_tracker_la
 target_link_libraries(gtest_processor_tracker_landmark_dummy ${PLUGIN_NAME} dummy)
 
 # SensorDiffDriveSelfcalib class test
-wolf_add_gtest(gtest_sensor_diff_drive gtest_sensor_diff_drive.cpp)
-target_link_libraries(gtest_sensor_diff_drive ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_sensor_diff_drive gtest_sensor_diff_drive.cpp)
+# target_link_libraries(gtest_sensor_diff_drive ${PLUGIN_NAME})
 
 # SensorDiffDriveSelfcalib class test
-wolf_add_gtest(gtest_sensor_pose gtest_sensor_pose.cpp)
-target_link_libraries(gtest_sensor_pose ${PLUGIN_NAME})
+# wolf_add_gtest(gtest_sensor_pose gtest_sensor_pose.cpp)
+# target_link_libraries(gtest_sensor_pose ${PLUGIN_NAME})
 
 IF (Ceres_FOUND)
 	# SolverCeres test