add pictures for package overview

bug in read acive objects
bug in circle generation

.gitattributes

@@ -1285,6 +1285,8 @@ CGAL_ipelets/doc_tex/CGAL_ipelets/PkgDescription.tex -text
 CGAL_ipelets/doc_tex/CGAL_ipelets/cgal_ipelets.tex -text
 CGAL_ipelets/doc_tex/CGAL_ipelets/cgal_ipelets_def.tex -text
 CGAL_ipelets/doc_tex/CGAL_ipelets/fig/example.png -text
+CGAL_ipelets/doc_tex/CGAL_ipelets/fig/ipeico.jpg -text
+CGAL_ipelets/doc_tex/CGAL_ipelets/fig/ipelarge.jpg -text
 CGAL_ipelets/doc_tex/CGAL_ipelets/main.tex -text
 CGAL_ipelets/doc_tex/CGAL_ipelets_ref/cgal_ipelets.tex -text
 CGAL_ipelets/doc_tex/CGAL_ipelets_ref/intro.tex -text

CGAL_ipelets/demo/CGAL_ipelets/bbox_restriction.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2009  INRIA Sophia-Antipolis (France).
+// Copyright (c) 2009  INRIA Sophia-Antipolis (France).
 // All rights reserved.
 //
 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or

CGAL_ipelets/demo/CGAL_ipelets/generator.cpp

@@ -33,7 +33,6 @@
 #include <CGAL/copy_n.h>
 
 
-
 namespace CGAL_generator{
   
   
@@ -67,7 +66,7 @@ void generator::protected_run(int fn)
   }
 
   int nbelements=30;
-  int size=200;
+  double size=200;
   int ret_val;
   
   boost::tie(ret_val,nbelements)=request_value_from_user<int>((boost::format("Number of elements (default : %1%)") % nbelements).str() );
@@ -142,7 +141,8 @@ void generator::protected_run(int fn)
   if (fn==6){
     CGAL::Random random;
     for (std::vector<Point_2>::iterator it_pt=points.begin();it_pt!=points.end();++it_pt)
-      draw_in_ipe(Circle_2(*it_pt,random.get_double(size/20.,size/2.)));
+      draw_in_ipe(Circle_2(*it_pt,pow(random.get_double(size/20.,size/2.),2) ));
+    get_IpePage()->Group(get_IpeletHelper()->CurrentLayer());
   }
   else
     if (!points.empty())// Draw points

CGAL_ipelets/demo/CGAL_ipelets/pca.cpp

@@ -1,4 +1,4 @@
-// Copyright (c) 2005-2009  INRIA Sophia-Antipolis (France).
+// Copyright (c) 2009  INRIA Sophia-Antipolis (France).
 // All rights reserved.
 //
 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or

CGAL_ipelets/doc_tex/CGAL_ipelets/PkgDescription.tex

@@ -7,5 +7,5 @@ the Ipe extensible drawing editor.}
 
 \ccPkgIntroducedInCGAL{3.5}
 \ccPkgLicense{\ccLicenseLGPL}
-\ccPkgIllustration{Spatial_sorting/fig/hilbert.png}{Spatial_sorting/fig/hilbertLarge.jpg}
+\ccPkgIllustration{CGAL_ipelets/fig/ipeico.jpg}{CGAL_ipelets/fig/ipelarge.jpg}
 \end{ccPkgDescription}

CGAL_ipelets/include/CGAL/CGAL_Ipelet_base.h

@@ -797,6 +797,14 @@ public:
     }
 
   public:
+    //
+    // .-----7---------2-------.
+    // |                       |
+    // 3                       6
+    // |     indices           |
+    // 4                       1
+    // |                       |
+    // .-----0---------5-------.
     template <class Output_iterator>
     void 
     restrict_circle_to_bbox(const Circle_2& approx_circle,
@@ -894,14 +902,16 @@ public:
                                                   multi_output_iterator it_out) const 
   {
     if (object->AsGroup()){
+      bool deselect_grp=false;
       for (IpeGroup::const_iterator it=object->AsGroup()->begin();
-                                    it!=object->AsGroup()->end();++it){
-        
+                                    it!=object->AsGroup()->end();++it)
+      {
         IpeObject *obj = (*it)->Clone();
         obj->SetMatrix(obj->Matrix()*object->Matrix());
-        read_one_active_object(obj,it_out);  
+        bool cur=read_one_active_object(obj,it_out);
+        deselect_grp=deselect_grp || cur;
       }
-      return true;
+      return deselect_grp;
     }
     
     //detect Points
@@ -917,7 +927,7 @@ public:
       //iterate on each subpath
       to_deselect=false;
       for (int i=0;i<object->AsPath()->NumSubPaths();++i){
-        if(object->AsPath()-> SubPath(i)->AsSegs()){//do not take elliptic segments
+        if(object->AsPath()-> SubPath(i)->AsSegs()){
           std::list<Segment_2> seg_list;
           bool is_polygon=object-> AsPath() -> SubPath(i)->Closed();
           
@@ -952,6 +962,8 @@ public:
                           );
                 it_out++=arc;
               }
+              else
+                to_deselect=true;
             }
           }
           if (object->AsPath() -> SubPath(i)->Closed() &&