Validation in the begining of funtion

diff --git a/bbtk/src/bbmaracasvisuShowNPoints.cxx b/bbtk/src/bbmaracasvisuShowNPoints.cxx
index b9d212e6f5a36c98ddc6f0e305570687a19da728..06f5f68eb37be852c364b35b3799e20b72f25d84 100644 (file)
--- a/bbtk/src/bbmaracasvisuShowNPoints.cxx
+++ b/bbtk/src/bbmaracasvisuShowNPoints.cxx
@@ -333,81 +333,86 @@ double WidgetShowNPoints::Distance(double dX0, double dY0, double dZ0, double dX
 void WidgetShowNPoints::InsertPoint(int x, int y, int z, std::string label)//CFT
 {
        std::cout<<"WidgetShowNPoints::InsertPoint begin "<<std::endl;
-       std::vector<int> dTotal;
-       int pos = 0;
-       int a,b,res;
-       //Calcule distance for each pair of points
-       for(int i = 0; i<lstPointsX.size()-1 ; i++)
-       {
-               a = Distance(x, y, z, lstPointsX[i], lstPointsY[i], lstPointsZ[i]);
-               b = Distance(x, y, z, lstPointsX[i+1], lstPointsY[i+1], lstPointsZ[i+1]);
-               res = a + b;            
-               dTotal.push_back (res);         
-       }
-       //Gets the smallest distance 
-       int small = dTotal[0];
-       for (int j = 0; j < dTotal.size(); j++)
-  {
-      if(dTotal[j]<small)
-      {
-                     small=dTotal[j];
-                                       pos = j+1;
-      }
-  }
-
-       std::vector<int>::iterator it;
-       //Insert the point in the list of points
-       it = lstPointsX.begin();
-       lstPointsX.insert( it+pos, x );
-       it = lstPointsY.begin();
-       lstPointsY.insert( it+pos, y );
-       it = lstPointsZ.begin();
-       lstPointsZ.insert( it+pos, z );
 
-       std::string strLabel = CleanSpaces(  label );
+       if(lstPointsX.size()>1)
+       {
+               std::vector<int> dTotal;
+               int pos = 1;
+               int a,b,res;
+               
+               //Calcule distance for each pair of points
+               for(int i = 0; i<lstPointsX.size()-1 ; i++)
+               {
+                               a = Distance(x, y, z, lstPointsX[i], lstPointsY[i], lstPointsZ[i]);
+                               b = Distance(x, y, z, lstPointsX[i+1], lstPointsY[i+1], lstPointsZ[i+1]);
+                               res = a + b;            
+                               dTotal.push_back (res);         
+               }
+               //Gets the smallest distance 
+               int small = dTotal[0];
+               for (int j = 0; j < dTotal.size(); j++)
+               {
+                         if(dTotal[j]<small)
+                         {
+                                         small=dTotal[j];
+                                               pos = j+1;
+                         }
+               }
+               
+               std::vector<int>::iterator it;
+               //Insert the point in the list of points
+               it = lstPointsX.begin();
+               lstPointsX.insert( it+pos, x );
+               it = lstPointsY.begin();
+               lstPointsY.insert( it+pos, y );
+               it = lstPointsZ.begin();
+               lstPointsZ.insert( it+pos, z );
+
+               std::string strLabel = CleanSpaces(  label );
        
-       std::vector<std::string>::iterator itS;
-       itS = lstLabels.begin();
-       //Insert Label in list of labels
-       lstLabels.insert( itS+pos, strLabel );
-
-       // Sphere
-       vtkSphereSource *vtksphere              = vtkSphereSource::New();
-       vtksphere->SetThetaResolution (20);
-       vtksphere->SetPhiResolution (20);
-       vtksphere->SetRadius( mradio  );
-
-       //NTU: For updating points
-       std::vector<vtkSphereSource*>::iterator itSS;
-       itSS = lstSourceSphere.begin();
-       lstSourceSphere.insert( itSS+pos, vtksphere);
-
-       vtkPolyDataMapper *sphereMapper = vtkPolyDataMapper::New();
-       sphereMapper->SetInput( vtksphere->GetOutput() );
-       vtkActor *sphereActor   = vtkActor::New();
-       sphereActor->SetMapper(sphereMapper);
-       sphereActor->SetOrigin(0, 0, 0);
-
-       std::vector<vtkActor*>::iterator itAS;
-       itAS = lstActorsSphere.begin();
-       lstActorsSphere.insert( itAS+pos, sphereActor);
-       if(renderer==NULL){
-               wxMessageDialog dialog(this, _T("Renderer Not Set"),_T("Renderer Not Set"),wxICON_ERROR);
-               dialog.ShowModal();             
-               return;
-       }
-       renderer->AddActor( sphereActor );
+               std::vector<std::string>::iterator itS;
+               itS = lstLabels.begin();
+               //Insert Label in list of labels
+               lstLabels.insert( itS+pos, strLabel );
+
+               // Sphere
+               vtkSphereSource *vtksphere              = vtkSphereSource::New();
+               vtksphere->SetThetaResolution (20);
+               vtksphere->SetPhiResolution (20);
+               vtksphere->SetRadius( mradio  );
+
+               //NTU: For updating points
+               std::vector<vtkSphereSource*>::iterator itSS;
+               itSS = lstSourceSphere.begin();
+               lstSourceSphere.insert( itSS+pos, vtksphere);
+
+               vtkPolyDataMapper *sphereMapper = vtkPolyDataMapper::New();
+               sphereMapper->SetInput( vtksphere->GetOutput() );
+               vtkActor *sphereActor   = vtkActor::New();
+               sphereActor->SetMapper(sphereMapper);
+               sphereActor->SetOrigin(0, 0, 0);
+
+               std::vector<vtkActor*>::iterator itAS;
+               itAS = lstActorsSphere.begin();
+               lstActorsSphere.insert( itAS+pos, sphereActor);
+               if(renderer==NULL){
+                       wxMessageDialog dialog(this, _T("Renderer Not Set"),_T("Renderer Not Set"),wxICON_ERROR);
+                       dialog.ShowModal();             
+                       return;
+               }
+               renderer->AddActor( sphereActor );
 
-       // Actor
-       vtkTextActor3D *textActor = vtkTextActor3D::New();
+               // Actor
+               vtkTextActor3D *textActor = vtkTextActor3D::New();
 
-       textActor->SetInput( strLabel.c_str()  );
-       renderer->AddActor( textActor );
-       std::vector<vtkTextActor3D*>::iterator itTA;
-       itTA = lstActorsText.begin();
-       lstActorsText.insert( itTA+pos , textActor);
+               textActor->SetInput( strLabel.c_str()  );
+               renderer->AddActor( textActor );
+               std::vector<vtkTextActor3D*>::iterator itTA;
+               itTA = lstActorsText.begin();
+               lstActorsText.insert( itTA+pos , textActor);
 
-       RefreshPoint(pos);
+               RefreshPoint(pos);
+       }//end if
        std::cout<<"WidgetShowNPoints::InsertPoint end"<<std::endl;
 }