diff --git a/Framework/API/inc/MantidAPI/IPeaksWorkspace.h b/Framework/API/inc/MantidAPI/IPeaksWorkspace.h
index 22923b7dbc557cc6dab6aa24d433473fc434e3ed..e6cc1a5447e695b1854d89c7014b200409167a7a 100644
--- a/Framework/API/inc/MantidAPI/IPeaksWorkspace.h
+++ b/Framework/API/inc/MantidAPI/IPeaksWorkspace.h
@@ -85,7 +85,8 @@ public:
    * @param position :: V3D positon of the peak.
    * @param position :: Coordinate system frame of the peak position.
    */
-  virtual void addPeak(const Kernel::V3D &position, const Kernel::SpecialCoordinateSystem &frame) = 0;
+  virtual void addPeak(const Kernel::V3D &position,
+                       const Kernel::SpecialCoordinateSystem &frame) = 0;
 
   //---------------------------------------------------------------------------------------------
   /** Return a reference to the Peak
@@ -120,7 +121,7 @@ public:
    */
   virtual Mantid::Geometry::IPeak *
   createPeak(const Mantid::Kernel::V3D &QLabFrame,
-             boost::optional<double> detectorDistance= boost::none) const = 0;
+             boost::optional<double> detectorDistance = boost::none) const = 0;
 
   //---------------------------------------------------------------------------------------------
   /** Create an instance of a Peak
diff --git a/Framework/DataObjects/inc/MantidDataObjects/PeaksWorkspace.h b/Framework/DataObjects/inc/MantidDataObjects/PeaksWorkspace.h
index ce4717bd0cf551994ff4343c7cf24501ee011e71..bc2af2cc06c1170d179b4d2329080f1411ac66e2 100644
--- a/Framework/DataObjects/inc/MantidDataObjects/PeaksWorkspace.h
+++ b/Framework/DataObjects/inc/MantidDataObjects/PeaksWorkspace.h
@@ -102,7 +102,8 @@ public:
   void addPeak(const Geometry::IPeak &peak) override;
   /// Move a peak object into this peaks workspace
   void addPeak(Peak &&peak);
-  void addPeak(const Kernel::V3D &position, const Kernel::SpecialCoordinateSystem &frame) override;
+  void addPeak(const Kernel::V3D &position,
+               const Kernel::SpecialCoordinateSystem &frame) override;
   Peak &getPeak(int peakNum) override;
   const Peak &getPeak(int peakNum) const override;
 
@@ -110,9 +111,9 @@ public:
       const Kernel::V3D &QLabFrame,
       boost::optional<double> detectorDistance = boost::none) const override;
 
-  std::unique_ptr<Geometry::IPeak> createPeak(
-      const Kernel::V3D &Position,
-      const Kernel::SpecialCoordinateSystem& frame) const override;
+  std::unique_ptr<Geometry::IPeak>
+  createPeak(const Kernel::V3D &Position,
+             const Kernel::SpecialCoordinateSystem &frame) const override;
 
   std::vector<std::pair<std::string, std::string>>
   peakInfo(const Kernel::V3D &qFrame, bool labCoords) const override;
diff --git a/Framework/DataObjects/src/PeaksWorkspace.cpp b/Framework/DataObjects/src/PeaksWorkspace.cpp
index 4d07437962052b819b1f12aa1d9baced538e7913..eab92ec1da6acffa556b7c14a23d8dce15c316f5 100644
--- a/Framework/DataObjects/src/PeaksWorkspace.cpp
+++ b/Framework/DataObjects/src/PeaksWorkspace.cpp
@@ -188,8 +188,8 @@ void PeaksWorkspace::addPeak(const Geometry::IPeak &ipeak) {
  * @param position :: position on the peak in the specified coordinate frame
  * @param frame :: the coordinate frame that the position is specified in
  */
-void PeaksWorkspace::addPeak(const V3D &position, const SpecialCoordinateSystem &frame)
-{
+void PeaksWorkspace::addPeak(const V3D &position,
+                             const SpecialCoordinateSystem &frame) {
   auto peak = createPeak(position, frame);
   addPeak(*peak);
 }
@@ -260,23 +260,23 @@ PeaksWorkspace::createPeak(const Kernel::V3D &QLabFrame,
 std::unique_ptr<Geometry::IPeak>
 PeaksWorkspace::createPeak(const Kernel::V3D &position,
                            const Kernel::SpecialCoordinateSystem &frame) const {
-    if (frame == Mantid::Kernel::HKL) {
-      return std::unique_ptr<Geometry::IPeak>(createPeakHKL(position));
-    } else if (frame == Mantid::Kernel::QLab) {
-      return std::unique_ptr<Geometry::IPeak>(createPeak(position));
-    } else {
-      return std::unique_ptr<Geometry::IPeak>(createPeakQSample(position));
-    }
+  if (frame == Mantid::Kernel::HKL) {
+    return std::unique_ptr<Geometry::IPeak>(createPeakHKL(position));
+  } else if (frame == Mantid::Kernel::QLab) {
+    return std::unique_ptr<Geometry::IPeak>(createPeak(position));
+  } else {
+    return std::unique_ptr<Geometry::IPeak>(createPeakQSample(position));
+  }
 }
 
 //---------------------------------------------------------------------------------------------
 /** Creates an instance of a Peak BUT DOES NOT ADD IT TO THE WORKSPACE
- * @param position :: QSample position of the center of the peak, in reciprocal space
+ * @param position :: QSample position of the center of the peak, in reciprocal
+ * space
  * detector. You do NOT need to explicitly provide this distance.
  * @return a pointer to a new Peak object.
  */
-Peak *PeaksWorkspace::createPeakQSample(const V3D &position) const
-{
+Peak *PeaksWorkspace::createPeakQSample(const V3D &position) const {
   // Create a peak from QSampleFrame
   const auto goniometer = run().getGoniometer();
   // create a peak using the qLab frame
diff --git a/Framework/DataObjects/test/PeaksWorkspaceTest.h b/Framework/DataObjects/test/PeaksWorkspaceTest.h
index 38bca486ec165046c6cf5b45c9b0538e4eda2716..56c690b70c318359938d8797e221adfd822da073 100644
--- a/Framework/DataObjects/test/PeaksWorkspaceTest.h
+++ b/Framework/DataObjects/test/PeaksWorkspaceTest.h
@@ -370,18 +370,18 @@ public:
                       peak->getHKL());
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak->getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak->getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak->getQSampleFrame());
 
     auto detector = peak->getDetector();
     TSM_ASSERT("No detector", detector);
     TSM_ASSERT_EQUALS("This detector id does not match what we expect from the "
                       "instrument definition",
                       1, detector->getID());
-    TSM_ASSERT_EQUALS("Thie detector position is wrong", params.detectorPosition,
-                      detector->getPos());
-    TSM_ASSERT_EQUALS("Goniometer has not been set properly", params.goniometer.getR(),
-                      peak->getGoniometerMatrix());
+    TSM_ASSERT_EQUALS("Thie detector position is wrong",
+                      params.detectorPosition, detector->getPos());
+    TSM_ASSERT_EQUALS("Goniometer has not been set properly",
+                      params.goniometer.getR(), peak->getGoniometerMatrix());
 
     // Clean up.
     delete peak;
@@ -397,8 +397,8 @@ public:
                       peak->getHKL());
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak->getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak->getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak->getQSampleFrame());
   }
 
   void test_create_peak_with_position_qsample() {
@@ -409,8 +409,8 @@ public:
 
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak->getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak->getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak->getQSampleFrame());
   }
 
   void test_create_peak_with_position_qlab() {
@@ -421,8 +421,8 @@ public:
 
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak->getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak->getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak->getQSampleFrame());
   }
 
   void test_add_peak_with_position_hkl() {
@@ -438,8 +438,8 @@ public:
                       peak.getHKL());
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak.getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak.getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak.getQSampleFrame());
   }
 
   void test_add_peak_with_position_qlab() {
@@ -453,8 +453,8 @@ public:
 
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak.getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak.getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak.getQSampleFrame());
   }
 
   void test_add_peak_with_position_qsample() {
@@ -468,8 +468,8 @@ public:
 
     TSM_ASSERT_EQUALS("New peak should have QLab we expected.", params.qLab,
                       peak.getQLabFrame());
-    TSM_ASSERT_EQUALS("New peak should have QSample we expected.", params.qSample,
-                      peak.getQSampleFrame());
+    TSM_ASSERT_EQUALS("New peak should have QSample we expected.",
+                      params.qSample, peak.getQSampleFrame());
   }
 
   /**
@@ -601,14 +601,13 @@ private:
         1, 1, 1, 90, 90, 90); // U is identity, real and reciprocal lattice
                               // vectors are identical.
 
-
     V3D qSample = Rinv * qLab;
     V3D hkl = qSample / (2 * M_PI); // Given our settings above, this is the
-                                 // simplified relationship between qLab and
-                                 // hkl.
+                                    // simplified relationship between qLab and
+                                    // hkl.
 
-    return PeakParameters {minimalInstrument, goniometer, orientedLattice,
-          hkl, qLab, qSample, detectorPos};
+    return PeakParameters{minimalInstrument, goniometer, orientedLattice, hkl,
+                          qLab, qSample, detectorPos};
   }
 
   PeaksWorkspace_sptr makeWorkspace(const PeakParameters &params) {
diff --git a/Framework/PythonInterface/mantid/api/src/Exports/IPeaksWorkspace.cpp b/Framework/PythonInterface/mantid/api/src/Exports/IPeaksWorkspace.cpp
index 115732cfb949fd559a147e1aad091f497d12f376..b62e9d191165eff5f547dde00b2bffe9ea729555 100644
--- a/Framework/PythonInterface/mantid/api/src/Exports/IPeaksWorkspace.cpp
+++ b/Framework/PythonInterface/mantid/api/src/Exports/IPeaksWorkspace.cpp
@@ -38,9 +38,7 @@ IPeak *createPeakQLabWithDistance(IPeaksWorkspace &self, const object &data,
       detectorDistance);
 }
 /// Create a peak via it's QLab value from a list or numpy array
-void addPeak(IPeaksWorkspace &self, const IPeak& peak) {
-  self.addPeak(peak);
-}
+void addPeak(IPeaksWorkspace &self, const IPeak &peak) { self.addPeak(peak); }
 }
 
 void export_IPeaksWorkspace() {
diff --git a/qt/widgets/sliceviewer/src/PeaksWorkspaceWidget.cpp b/qt/widgets/sliceviewer/src/PeaksWorkspaceWidget.cpp
index ed3617eef91d88eeaa9d4f674b68815eb5326afd..fabb62036bd5f43efa4926f3160b2057f5b4e14f 100644
--- a/qt/widgets/sliceviewer/src/PeaksWorkspaceWidget.cpp
+++ b/qt/widgets/sliceviewer/src/PeaksWorkspaceWidget.cpp
@@ -34,8 +34,7 @@ PeaksWorkspaceWidget::PeaksWorkspaceWidget(
     Mantid::API::IPeaksWorkspace_const_sptr ws,
     const std::string &coordinateSystem,
     PeakViewColor defaultForegroundPeakViewColor,
-    PeakViewColor defaultBackgroundPeakViewColor,
-    PeaksViewer *parent)
+    PeakViewColor defaultBackgroundPeakViewColor, PeaksViewer *parent)
     : QWidget(parent), m_ws(ws), m_coordinateSystem(coordinateSystem),
       m_foregroundPeakViewColor(defaultForegroundPeakViewColor),
       m_backgroundPeakViewColor(defaultBackgroundPeakViewColor),