add edge_min_size in demo

Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin.cpp

@@ -70,6 +70,7 @@ class Mesh_3_plugin :
              READ get_sharp_edges_angle_bound
              WRITE set_sharp_edges_angle_bound)
   Q_PROPERTY(double edges_sizing READ get_edges_sizing WRITE set_edges_sizing)
+  Q_PROPERTY(double edges_min_sizing READ get_edges_min_sizing WRITE set_edges_min_sizing)
   Q_PROPERTY(double facets_sizing READ get_facets_sizing WRITE set_facets_sizing)
   Q_PROPERTY(double approx READ get_approx WRITE set_approx)
   Q_PROPERTY(double tets_sizing READ get_tets_sizing WRITE set_tets_sizing)
@@ -155,6 +156,7 @@ public Q_SLOTS:
     sharp_edges_angle_bound = v;
   }
   void set_edges_sizing(const double v) { edges_sizing = v; };
+  void set_edges_min_sizing(const double v) { edges_min_sizing = v; };
   void set_facets_sizing(const double v) { facets_sizing = v; };
   void set_approx(const double v) { approx = v; };
   void set_tets_sizing(const double v) { tets_sizing = v; };
@@ -167,6 +169,7 @@ public Q_SLOTS:
   double get_angle() { return angle; };
   double get_sharp_edges_angle_bound() { return sharp_edges_angle_bound; }
   double get_edges_sizing() { return edges_sizing; };
+  double get_edges_min_sizing() { return edges_min_sizing; };
   double get_facets_sizing() { return facets_sizing; };
   double get_approx() { return approx; };
   double get_tets_sizing() { return tets_sizing; };
@@ -202,6 +205,7 @@ private:
   double approx;
   int approx_decimals;
   double edges_sizing;
+  double edges_min_sizing;
   double facets_sizing;
   double tets_sizing;
   double tets_shape;
@@ -396,6 +400,7 @@ void Mesh_3_plugin::set_defaults() {
   double diag = CGAL::sqrt((bbox.xmax()-bbox.xmin())*(bbox.xmax()-bbox.xmin()) + (bbox.ymax()-bbox.ymin())*(bbox.ymax()-bbox.ymin()) + (bbox.zmax()-bbox.zmin())*(bbox.zmax()-bbox.zmin()));
   facets_sizing = get_approximate(diag * 0.05, 2, sizing_decimals);
   edges_sizing = facets_sizing;
+  edges_min_sizing = 0.1 * facets_sizing;
   tets_sizing = facets_sizing;
   angle = 25.;
   sharp_edges_angle_bound = 60.;
@@ -478,6 +483,7 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
           ui.tetShape,
           SLOT(setEnabled(bool)));
 
+  //edge sizing
   connect(ui.protect,
           SIGNAL(toggled(bool)),
           ui.noEdgeSizing,
@@ -498,6 +504,28 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
           ui.edgeSizing,
           SLOT(setEnabled(bool)));
 
+  //edge min sizing
+  connect(ui.protect,
+          SIGNAL(toggled(bool)),
+          ui.noEdgeMinSizing,
+          SLOT(setEnabled(bool)));
+
+  connect(ui.protect,
+          SIGNAL(toggled(bool)),
+          ui.noEdgeMinSizing,
+          SLOT(setChecked(bool)));
+
+  connect(ui.noEdgeMinSizing,
+          SIGNAL(toggled(bool)),
+          ui.edgeMinSizingLabel,
+          SLOT(setEnabled(bool)));
+
+  connect(ui.noEdgeMinSizing,
+          SIGNAL(toggled(bool)),
+          ui.edgeMinSizing,
+          SLOT(setEnabled(bool)));
+
+  //sharp edges
   connect(ui.protect,
           SIGNAL(toggled(bool)),
           ui.sharpEdgesAngle,
@@ -531,6 +559,7 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
                            diag); // max
   ui.facetSizing->setValue(facets_sizing);
   ui.edgeSizing->setValue(edges_sizing);
+  ui.edgeMinSizing->setValue(edges_min_sizing);
 
   ui.tetSizing->setRange(diag * 10e-6, // min
                          diag);        // max
@@ -568,8 +597,11 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
            " automatically"));
   }
   ui.noEdgeSizing->setChecked(ui.protect->isChecked());
+  ui.noEdgeMinSizing->setChecked(false);
   ui.edgeLabel->setEnabled(ui.noEdgeSizing->isChecked());
   ui.edgeSizing->setEnabled(ui.noEdgeSizing->isChecked());
+  ui.edgeMinSizingLabel->setEnabled(ui.noEdgeMinSizing->isChecked());
+  ui.edgeMinSizing->setEnabled(ui.noEdgeMinSizing->isChecked());
 
   if (features_protection_available) {
     if (items->which() == POLYHEDRAL_MESH_ITEMS) {
@@ -625,6 +657,8 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
   std::cerr << "sharp_edges_angle_bound: " << sharp_edges_angle_bound << '\n';
   edges_sizing =
       !ui.noEdgeSizing->isChecked() ? DBL_MAX : ui.edgeSizing->value();
+  edges_min_sizing =
+      !ui.noEdgeMinSizing->isChecked() ? 0. : ui.edgeMinSizing->value();
   facets_sizing = !ui.noFacetSizing->isChecked() ? 0 : ui.facetSizing->value();
   approx = !ui.noApprox->isChecked() ? 0 : ui.approx->value();
   tets_shape = !ui.noTetShape->isChecked() ? 0 : ui.tetShape->value();
@@ -701,6 +735,7 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
         approx,
         tets_sizing,
         edges_sizing,
+        edges_min_sizing,
         tets_shape,
         protect_features,
         protect_borders,
@@ -719,6 +754,7 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
         approx,
         tets_sizing,
         edges_sizing,
+        edges_min_sizing,
         tets_shape,
         protect_features,
         protect_borders,
@@ -743,6 +779,7 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
                               approx,
                               tets_sizing,
                               edges_sizing,
+                              edges_min_sizing,
                               tets_shape,
                               manifold,
                               mesh_type == Mesh_type::SURFACE_ONLY);
@@ -779,6 +816,7 @@ void Mesh_3_plugin::mesh_3(const Mesh_type mesh_type,
         approx,
         tets_sizing,
         edges_sizing,
+        edges_min_sizing,
         tets_shape,
         protect_features,
         manifold,

Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin_cgal_code.cpp

@@ -40,6 +40,7 @@ Meshing_thread* cgal_code_mesh_3(QList<const SMesh*> pMeshes,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  bool protect_features,
                                  bool protect_borders,
@@ -52,6 +53,7 @@ Meshing_thread* cgal_code_mesh_3(QList<const SMesh*> pMeshes,
   std::cerr << "Meshing file \"" << qPrintable(filename) << "\"\n";
   std::cerr << "  angle: " << facet_angle << std::endl
             << "  edge size bound: " << edge_size << std::endl
+            << "  edge min size bound: " << edge_min_size << std::endl
             << "  facets size bound: " << facet_sizing << std::endl
             << "  approximation bound: " << facet_approx << std::endl;
   if (!surface_only)
@@ -101,10 +103,12 @@ Meshing_thread* cgal_code_mesh_3(QList<const SMesh*> pMeshes,
             "<ul>"
             "<li>Angle: %1</li>"
             "<li>Edge size bound: %2</li>"
-            "<li>Facets size bound: %3</li>"
-            "<li>Approximation bound: %4</li>")
+            "<li>Edge min size bound: %3</li>"
+            "<li>Facets size bound: %4</li>"
+            "<li>Approximation bound: %5</li>")
     .arg(facet_angle)
     .arg(edge_size)
+    .arg(edge_min_size)
     .arg(facet_sizing)
     .arg(facet_approx);
   if (!surface_only)
@@ -120,6 +124,7 @@ Meshing_thread* cgal_code_mesh_3(QList<const SMesh*> pMeshes,
   param.tet_sizing = tet_sizing;
   param.tet_shape = tet_shape;
   param.edge_sizing =  edge_size;
+  param.edge_min_sizing = edge_min_size;
   param.manifold = manifold;
   param.protect_features = protect_features || protect_borders;
   param.use_sizing_field_with_aabb_tree = polylines.empty() && protect_features;
@@ -139,6 +144,7 @@ Meshing_thread* cgal_code_mesh_3(const QList<const SMesh*> pMeshes,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  bool protect_features,
                                  bool protect_borders,
@@ -151,6 +157,7 @@ Meshing_thread* cgal_code_mesh_3(const QList<const SMesh*> pMeshes,
   std::cerr << "Meshing file \"" << qPrintable(filename) << "\"\n";
   std::cerr << "  angle: " << facet_angle << std::endl
     << "  edge size bound: " << edge_size << std::endl
+    << "  edge min size bound: " << edge_min_size << std::endl
     << "  facets size bound: " << facet_sizing << std::endl
     << "  approximation bound: " << facet_approx << std::endl;
   if (!surface_only)
@@ -195,10 +202,12 @@ Meshing_thread* cgal_code_mesh_3(const QList<const SMesh*> pMeshes,
       "<ul>"
       "<li>Angle: %1</li>"
       "<li>Edge size bound: %2</li>"
-      "<li>Facets size bound: %3</li>"
-      "<li>Approximation bound: %4</li>")
+      "<li>Edge min size bound :%3</li>"
+      "<li>Facets size bound: %4</li>"
+      "<li>Approximation bound: %5</li>")
     .arg(facet_angle)
     .arg(edge_size)
+    .arg(edge_min_size)
     .arg(facet_sizing)
     .arg(facet_approx);
   if (!surface_only)
@@ -214,6 +223,7 @@ Meshing_thread* cgal_code_mesh_3(const QList<const SMesh*> pMeshes,
   param.tet_sizing = tet_sizing;
   param.tet_shape = tet_shape;
   param.edge_sizing = edge_size;
+  param.edge_min_sizing = edge_min_size;
   param.manifold = manifold;
   param.protect_features = protect_features || protect_borders;
   param.use_sizing_field_with_aabb_tree = protect_features;
@@ -234,6 +244,7 @@ Meshing_thread* cgal_code_mesh_3(const Implicit_function_interface* pfunction,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  const int manifold,
                                  const bool surface_only)
@@ -263,6 +274,7 @@ Meshing_thread* cgal_code_mesh_3(const Implicit_function_interface* pfunction,
   param.tet_sizing = tet_sizing;
   param.tet_shape = tet_shape;
   param.edge_sizing = edge_size;
+  param.edge_min_sizing = edge_min_size;
   param.manifold = manifold;
   param.detect_connected_components = false; // to avoid random values
                                              // in the debug displays
@@ -290,6 +302,7 @@ Meshing_thread* cgal_code_mesh_3(const Image* pImage,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  bool protect_features,
                                  const int manifold,
@@ -314,6 +327,7 @@ Meshing_thread* cgal_code_mesh_3(const Image* pImage,
   param.facet_approx = facet_approx;
   param.tet_sizing = tet_sizing;
   param.edge_sizing = edge_size;
+  param.edge_min_sizing = edge_min_size;
   param.tet_shape = tet_shape;
   param.manifold = manifold;
   param.image_3_ptr = pImage;
@@ -324,10 +338,12 @@ Meshing_thread* cgal_code_mesh_3(const Image* pImage,
       "<ul>"
       "<li>Angle: %1</li>"
       "<li>Edge size bound: %2</li>"
-      "<li>Facets size bound: %3</li>"
-      "<li>Approximation bound: %4</li>")
+      "<li>Edge min size bound: %3</li>"
+      "<li>Facets size bound: %4</li>"
+      "<li>Approximation bound: %5</li>")
     .arg(facet_angle)
     .arg(edge_size)
+    .arg(edge_min_size)
     .arg(facet_sizing)
     .arg(facet_approx);
   if (!surface_only)

Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_3_plugin_cgal_code.h

@@ -29,6 +29,7 @@ Meshing_thread* cgal_code_mesh_3(QList<const SMesh*> pMeshes,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  bool protect_features,
                                  bool protect_border,
@@ -44,6 +45,7 @@ Meshing_thread* cgal_code_mesh_3(const QList<const SMesh*> pMeshes,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  bool protect_features,
                                  bool protect_border,
@@ -58,6 +60,7 @@ Meshing_thread* cgal_code_mesh_3(const Implicit_function_interface* pfunction,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  const int manifold,
                                  const bool surface_only);
@@ -71,6 +74,7 @@ Meshing_thread* cgal_code_mesh_3(const CGAL::Image_3* pImage,
                                  const double facet_approx,
                                  const double tet_sizing,
                                  const double edge_size,
+                                 const double edge_min_size,
                                  const double tet_shape,
                                  bool protect_features,
                                  const int manifold,

Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Mesh_function.h

@@ -49,6 +49,7 @@ struct Mesh_parameters
   double tet_shape;
   double tet_sizing;
   double edge_sizing;
+  double edge_min_sizing;
   bool protect_features;
   bool detect_connected_components;
   int manifold;
@@ -108,8 +109,8 @@ private:
   void initialize(const Mesh_criteria& criteria, Mesh_fnt::Domain_tag);
   void initialize(const Mesh_criteria& criteria, Mesh_fnt::Labeled_image_domain_tag);
 
-  Edge_criteria edge_criteria(double b, Mesh_fnt::Domain_tag);
-  Edge_criteria edge_criteria(double b, Mesh_fnt::Polyhedral_domain_tag);
+  Edge_criteria edge_criteria(double b, double minb, Mesh_fnt::Domain_tag);
+  Edge_criteria edge_criteria(double b, double minb, Mesh_fnt::Polyhedral_domain_tag);
 
   void tweak_criteria(Mesh_criteria&, Mesh_fnt::Domain_tag) {}
   void tweak_criteria(Mesh_criteria&, Mesh_fnt::Polyhedral_domain_tag);
@@ -137,6 +138,7 @@ log() const
 {
   return QStringList()
   << QString("edge max size: %1").arg(edge_sizing)
+  << QString("edge min size: %1").arg(edge_min_sizing)
   << QString("facet min angle: %1").arg(facet_angle)
   << QString("facet max size: %1").arg(facet_sizing)
   << QString("facet approx error: %1").arg(facet_approx)
@@ -238,9 +240,9 @@ initialize(const Mesh_criteria& criteria, Mesh_fnt::Domain_tag)
 template < typename D_, typename Tag >
 typename Mesh_function<D_,Tag>::Edge_criteria
 Mesh_function<D_,Tag>::
-edge_criteria(double b, Mesh_fnt::Domain_tag)
+edge_criteria(double b, double minb, Mesh_fnt::Domain_tag)
 {
-  return Edge_criteria(b);
+  return Edge_criteria(b, minb);
 }
 
 #include <CGAL/Mesh_3/experimental/Sizing_field_with_aabb_tree.h>
@@ -249,7 +251,7 @@ edge_criteria(double b, Mesh_fnt::Domain_tag)
 template < typename D_, typename Tag >
 typename Mesh_function<D_,Tag>::Edge_criteria
 Mesh_function<D_,Tag>::
-edge_criteria(double edge_size, Mesh_fnt::Polyhedral_domain_tag)
+edge_criteria(double edge_size, double minb, Mesh_fnt::Polyhedral_domain_tag)
 {
   if(p_.use_sizing_field_with_aabb_tree) {
     typedef typename Domain::Surface_patch_index_set Set_of_patch_ids;
@@ -277,9 +279,9 @@ edge_criteria(double edge_size, Mesh_fnt::Polyhedral_domain_tag)
                      QSharedPointer<Patches_ids_vector>(patches_ids_vector_p));
 
     std::cerr << "Note: Mesh_3 is using a sizing field based on AABB tree.\n";
-    return Edge_criteria(*sizing_field_ptr);
+    return Edge_criteria(*sizing_field_ptr, minb);
   } else {
-    return Edge_criteria(edge_size);
+    return Edge_criteria(edge_size, minb);
   }
 }
 
@@ -293,7 +295,9 @@ launch()
 #endif
 
   // Create mesh criteria
-  Mesh_criteria criteria(edge_criteria(p_.edge_sizing, Tag()),
+  Mesh_criteria criteria(edge_criteria(p_.edge_sizing,
+                                       p_.edge_min_sizing,
+                                       Tag()),
                          Facet_criteria(p_.facet_angle,
                                         p_.facet_sizing,
                                         p_.facet_approx),

Polyhedron/demo/Polyhedron/Plugins/Mesh_3/Meshing_dialog.ui

@@ -9,8 +9,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>568</width>
-    <height>1049</height>
+    <width>780</width>
+    <height>1295</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -101,22 +101,15 @@
       <string>Sharp features</string>
      </property>
      <layout class="QGridLayout" name="gridLayout" columnstretch="0,0,0">
-      <item row="3" column="1">
-       <widget class="DoubleEdit" name="sharpEdgesAngle">
+      <item row="7" column="1">
+       <widget class="DoubleEdit" name="edgeSizing">
         <property name="text">
-         <string>60.00</string>
+         <string>0.0</string>
         </property>
        </widget>
       </item>
-      <item row="1" column="2">
-       <widget class="QCheckBox" name="protect">
-        <property name="text">
-         <string/>
-        </property>
-        <property name="checked">
-         <bool>true</bool>
-        </property>
-       </widget>
+      <item row="1" column="1">
+       <widget class="QComboBox" name="protectEdges"/>
       </item>
       <item row="3" column="0">
        <widget class="QLabel" name="sharpEdgesAngleLabel">
@@ -134,15 +127,22 @@
         </property>
        </widget>
       </item>
-      <item row="7" column="2">
-       <widget class="QCheckBox" name="noEdgeSizing">
+      <item row="3" column="1">
+       <widget class="DoubleEdit" name="sharpEdgesAngle">
         <property name="text">
-         <string/>
+         <string>60.00</string>
         </property>
        </widget>
       </item>
-      <item row="1" column="1">
-       <widget class="QComboBox" name="protectEdges"/>
+      <item row="1" column="2">
+       <widget class="QCheckBox" name="protect">
+        <property name="text">
+         <string/>
+        </property>
+        <property name="checked">
+         <bool>true</bool>
+        </property>
+       </widget>
       </item>
       <item row="1" column="0">
        <widget class="QLabel" name="protectLabel">
@@ -157,13 +157,6 @@
         </property>
        </widget>
       </item>
-      <item row="7" column="1">
-       <widget class="DoubleEdit" name="edgeSizing">
-        <property name="text">
-         <string>0.0</string>
-        </property>
-       </widget>
-      </item>
       <item row="7" column="0">
        <widget class="QLabel" name="edgeLabel">
         <property name="text">
@@ -177,6 +170,33 @@
         </property>
        </widget>
       </item>
+      <item row="7" column="2">
+       <widget class="QCheckBox" name="noEdgeSizing">
+        <property name="text">
+         <string/>
+        </property>
+       </widget>
+      </item>
+      <item row="8" column="0">
+       <widget class="QLabel" name="edgeMinSizingLabel">
+        <property name="text">
+         <string>Edge min size</string>
+        </property>
+        <property name="alignment">
+         <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+        </property>
+       </widget>
+      </item>
+      <item row="8" column="1">
+       <widget class="DoubleEdit" name="edgeMinSizing"/>
+      </item>
+      <item row="8" column="2">
+       <widget class="QCheckBox" name="noEdgeMinSizing">
+        <property name="text">
+         <string/>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>