#include "TModel.h"
#include "TBitmap.h"

TCanvas* c1=0;
TF2* img=0;
TModel* thismodel=0;

Double_t modelfunc(Double_t *var, Double_t *par)
{
   return (*thismodel)(var[0],var[1]);
}

TModel* genTModel(Option_t* option=0)
{
   TModel* model = new TModel();
   model->Randomize();
   model->Print();
   if (c1) {
      delete c1;
   }
   c1 = new TCanvas("c1","graph window",200,10,700,500);
   thismodel = model;
   if (img) {
      delete img;
   }
   img = new TF2("img",modelfunc,-1,1,-1,1,0);
   Option_t default_option[] = "surf1";
   if (option == 0) {
      option = default_option;
   }
   img->Draw(option);
   c1->Update();
   return model;
}

Int_t drawTModel(TModel* model, Option_t* option=0)
{
   if (c1) {
      delete c1;
   }
   c1 = new TCanvas("c1","graph window",200,10,700,500);
   c1->Update();
   model->Print();
   Option_t default_option[] = "surf1";
   if (option == 0) {
      option = default_option;
   }
   thismodel = model;
   if (img) {
      delete img;
   }
   img = new TF2("img",modelfunc,-1,1,-1,1,0);
   img->Draw(option);
   return 0;
}