Method Update

Charts/Core/vtkChartBox.cxx:92–127

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkChartBox::Update()
{
  vtkTable* table = this->Storage->Plot->GetData()->GetInput();
  if (!table)
  {
    return;
  }

  if (table->GetMTime() < this->BuildTime && this->MTime < this->BuildTime)
  {
    return;
  }

  vtkDataSetAttributes* rowData = table->GetRowData();
  int nbCols = this->VisibleColumns->GetNumberOfTuples();

  this->Storage->XPosition.resize(nbCols);

  double grange[2] = { VTK_DOUBLE_MAX, VTK_DOUBLE_MIN };
  // Now set up their ranges and locations
  for (int i = 0; i < nbCols; ++i)
  {
    double range[2];
    if (rowData->GetRange(this->VisibleColumns->GetValue(i).c_str(), range))
    {
      grange[0] = std::min(range[0], grange[0]);
      grange[1] = std::max(range[1], grange[1]);
    }
  }

  this->Storage->YAxis->SetMinimum(grange[0]);
  this->Storage->YAxis->SetMaximum(grange[1]);

  this->GeometryValid = false;
  this->BuildTime.Modified();
}

//------------------------------------------------------------------------------
bool vtkChartBox::Paint(vtkContext2D* painter)