Method FromJSON

Modules/Core/src/DataManagement/mitkLookupTableProperty.cpp:114–160

}

bool mitk::LookupTableProperty::FromJSON(const nlohmann::json& j)
{
  auto lut = vtkSmartPointer<vtkLookupTable>::New();

  lut->SetNumberOfTableValues(j["NumberOfColors"].get<int>());
  lut->SetScale(j["Scale"].get<int>());
  lut->SetScale(j["Ramp"].get<int>());

  std::array<double, 2> range;

  j["HueRange"][0].get_to(range[0]);
  j["HueRange"][1].get_to(range[1]);
  lut->SetHueRange(range.data());

  j["ValueRange"][0].get_to(range[0]);
  j["ValueRange"][1].get_to(range[1]);
  lut->SetValueRange(range.data());

  j["SaturationRange"][0].get_to(range[0]);
  j["SaturationRange"][1].get_to(range[1]);
  lut->SetSaturationRange(range.data());

  j["AlphaRange"][0].get_to(range[0]);
  j["AlphaRange"][1].get_to(range[1]);
  lut->SetAlphaRange(range.data());

  j["TableRange"][0].get_to(range[0]);
  j["TableRange"][1].get_to(range[1]);
  lut->SetTableRange(range.data());

  std::array<double, 4> rgba;
  vtkIdType i = 0;

  for (const auto& value : j["Table"])
  {
    for (size_t j = 0; j < 4; ++j)
      value[j].get_to(rgba[j]);

    lut->SetTableValue(i++, rgba.data());
  }

  auto mitkLut = LookupTable::New();
  mitkLut->SetVtkLookupTable(lut);
  this->SetLookupTable(mitkLut);

  return true;
}