From af7fa2ac51f906fc726452b5a8b51baf1286f019 Mon Sep 17 00:00:00 2001
From: Andreas Fabri <andreas.fabri@geometryfactory.com>
Date: Tue, 10 Mar 2015 10:44:57 +0100
Subject: [PATCH] Add LSCM as parametrization method

---
 Polyhedron/demo/Polyhedron/MainWindow.ui      | 12 +++++++++---
 ...olyhedron_demo_parameterization_plugin.cpp | 19 +++++++++++++++++--
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/Polyhedron/demo/Polyhedron/MainWindow.ui b/Polyhedron/demo/Polyhedron/MainWindow.ui
index 1e183f30a21..581632e84ed 100644
--- a/Polyhedron/demo/Polyhedron/MainWindow.ui
+++ b/Polyhedron/demo/Polyhedron/MainWindow.ui
@@ -37,7 +37,7 @@
      <x>0</x>
      <y>0</y>
      <width>978</width>
-     <height>21</height>
+     <height>26</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -94,6 +94,7 @@
      </property>
      <addaction name="actionMVC"/>
      <addaction name="actionDCP"/>
+     <addaction name="actionLSC"/>
     </widget>
     <widget class="QMenu" name="menuPCA">
      <property name="title">
@@ -294,8 +295,8 @@
            <rect>
             <x>0</x>
             <y>0</y>
-            <width>545</width>
-            <height>178</height>
+            <width>534</width>
+            <height>174</height>
            </rect>
           </property>
           <layout class="QGridLayout" name="gridLayout">
@@ -646,6 +647,11 @@
     <string>&amp;Preferences</string>
    </property>
   </action>
+  <action name="actionLSC">
+   <property name="text">
+    <string>Least square conformal maps</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>
diff --git a/Polyhedron/demo/Polyhedron/Polyhedron_demo_parameterization_plugin.cpp b/Polyhedron/demo/Polyhedron/Polyhedron_demo_parameterization_plugin.cpp
index 8b3d53e2718..880c0e57019 100644
--- a/Polyhedron/demo/Polyhedron/Polyhedron_demo_parameterization_plugin.cpp
+++ b/Polyhedron/demo/Polyhedron/Polyhedron_demo_parameterization_plugin.cpp
@@ -12,6 +12,7 @@
 #include <CGAL/Parameterization_polyhedron_adaptor_3.h>
 #include <CGAL/parameterize.h>
 #include <CGAL/Discrete_conformal_map_parameterizer_3.h>
+#include <CGAL/LSCM_parameterizer_3.h>
 #include <CGAL/Two_vertices_parameterizer_3.h>
 
 #include <CGAL/Textured_polyhedron_builder.h>
@@ -34,7 +35,8 @@ public:
   // used by Polyhedron_demo_plugin_helper
   QStringList actionsNames() const {
     return QStringList() << "actionMVC"
-                         << "actionDCP";
+                         << "actionDCP"
+                         << "actionLSC";
   }
 
   bool applicable(QAction*) const { 
@@ -44,9 +46,10 @@ public:
 public slots:
   void on_actionMVC_triggered();
   void on_actionDCP_triggered();
+  void on_actionLSC_triggered();
 
 protected:
-  enum Parameterization_method { PARAM_MVC, PARAM_DCP };
+  enum Parameterization_method { PARAM_MVC, PARAM_DCP, PARAM_LSC };
   void parameterize(Parameterization_method method);
 }; // end Polyhedron_demo_parameterization_plugin
 
@@ -90,6 +93,13 @@ void Polyhedron_demo_parameterization_plugin::parameterize(const Parameterizatio
       typedef CGAL::Discrete_conformal_map_parameterizer_3<Adaptor> Parameterizer;
       Parameterizer::Error_code err = CGAL::parameterize(adaptor,Parameterizer());
       success = err == Parameterizer::OK;
+    }  
+  case PARAM_LSC:
+    {
+      std::cout << "Parameterize (LSC)...";
+      typedef CGAL::LSCM_parameterizer_3<Adaptor> Parameterizer;
+      Parameterizer::Error_code err = CGAL::parameterize(adaptor,Parameterizer());
+      success = err == Parameterizer::OK;
     }
   }
 
@@ -145,6 +155,11 @@ void Polyhedron_demo_parameterization_plugin::on_actionDCP_triggered()
   parameterize(PARAM_DCP);
 }
 
+void Polyhedron_demo_parameterization_plugin::on_actionLSC_triggered()
+{
+  std::cerr << "LSC...";
+  parameterize(PARAM_LSC);
+}
 Q_EXPORT_PLUGIN2(Polyhedron_demo_parameterization_plugin, Polyhedron_demo_parameterization_plugin)
 
 #include "Polyhedron_demo_parameterization_plugin.moc"