diff --git a/GUI/coregui/Models/GroupInfoCatalogue.cpp b/GUI/coregui/Models/GroupInfoCatalogue.cpp
index 9a21034ce220c8a6d854b4807db39f31da0af9ed..62fc4cbea9e22515757edb976ba123f0a8037757 100644
--- a/GUI/coregui/Models/GroupInfoCatalogue.cpp
+++ b/GUI/coregui/Models/GroupInfoCatalogue.cpp
@@ -185,6 +185,12 @@ GroupInfoCatalogue::GroupInfoCatalogue()
info.add(Constants::PointwiseAxisType, "Non-uniform axis");
info.setDefaultType(Constants::BasicAxisType);
addInfo(info);
+
+ info = GroupInfo(Constants::VarianceFunctionGroup);
+ info.add(Constants::VarianceDefaultFunctionType, "Default");
+ info.add(Constants::VarianceSimFunctionType, "Sim error");
+ info.setDefaultType(Constants::VarianceDefaultFunctionType);
+ addInfo(info);
}
GroupInfo GroupInfoCatalogue::groupInfo(const QString& groupType) const
diff --git a/GUI/coregui/Models/ItemCatalogue.cpp b/GUI/coregui/Models/ItemCatalogue.cpp
index 65bb5891d99c0e2ad1f4e78bb4c21d3502b38b46..a178b7b50a16d487cf66fbd250de7e01265f8ec1 100644
--- a/GUI/coregui/Models/ItemCatalogue.cpp
+++ b/GUI/coregui/Models/ItemCatalogue.cpp
@@ -65,6 +65,7 @@
#include "TransformationItem.h"
#include "VectorItem.h"
#include "DepthProbeInstrumentItem.h"
+#include "VarianceFunctionItems.h"
ItemCatalogue::ItemCatalogue()
{
@@ -242,6 +243,9 @@ ItemCatalogue::ItemCatalogue()
add(Constants::ProjectionContainerType, create_new<ProjectionContainerItem>);
add(Constants::DepthProbeInstrumentType, create_new<DepthProbeInstrumentItem>);
+
+ add(Constants::VarianceDefaultFunctionType, create_new<VarianceDefaultFunctionItem>);
+ add(Constants::VarianceSimFunctionType, create_new<VarianceSimFunctionItem>);
}
bool ItemCatalogue::contains(const QString& modelType) const { return m_data.contains(modelType); }
diff --git a/GUI/coregui/Models/MinimizerItem.cpp b/GUI/coregui/Models/MinimizerItem.cpp
index 7ab36fdeb117be8adb968254936fafc249bbfe6b..11e130ac802eba9e64f9128d1f1c50b60b3d4a9b 100644
--- a/GUI/coregui/Models/MinimizerItem.cpp
+++ b/GUI/coregui/Models/MinimizerItem.cpp
@@ -22,6 +22,8 @@
#include "SimAnMinimizer.h"
#include "TestMinimizer.h"
#include "IIntensityFunction.h"
+#include "VarianceFunctions.h"
+#include "VarianceFunctionItems.h"
namespace {
const QString none_fun = "None";
@@ -39,6 +41,7 @@ MinimizerItem::MinimizerItem(const QString &model_type) : SessionItem(model_type
const QString MinimizerContainerItem::P_MINIMIZERS = "Minimizer";
const QString MinimizerContainerItem::P_INTENSITY_FUNCTION = "Intensity function";
+const QString MinimizerContainerItem::P_VARIANCE_FUNCTIONS = "Variance";
MinimizerContainerItem::MinimizerContainerItem() : MinimizerItem(Constants::MinimizerContainerType)
{
@@ -50,6 +53,8 @@ MinimizerContainerItem::MinimizerContainerItem() : MinimizerItem(Constants::Mini
"Function to apply for both simulated and experimental intensities \n"
"before calculating the value of residual.");
+ addGroupProperty(P_VARIANCE_FUNCTIONS, Constants::VarianceFunctionGroup)
+ ->setToolTip(QStringLiteral("Variance functions for residual normalization"));
}
@@ -71,6 +76,12 @@ std::unique_ptr<IIntensityFunction> MinimizerContainerItem::createIntensityFunct
}
}
+std::unique_ptr<IVarianceFunction> MinimizerContainerItem::createVarianceFunction() const
+{
+ auto& variance_item = groupItem<IVarianceFunctionItem>(P_VARIANCE_FUNCTIONS);
+ return variance_item.createVarianceFunction();
+}
+
// ----------------------------------------------------------------------------
const QString MinuitMinimizerItem::P_ALGORITHMS = "Algorithms";
diff --git a/GUI/coregui/Models/MinimizerItem.h b/GUI/coregui/Models/MinimizerItem.h
index 3a88c9115e8b111e633c970e7366c56da6337ef4..d78e681555f0e59b9fdb4f702f51be87398de10d 100644
--- a/GUI/coregui/Models/MinimizerItem.h
+++ b/GUI/coregui/Models/MinimizerItem.h
@@ -19,6 +19,7 @@
class IMinimizer;
class IIntensityFunction;
+class IVarianceFunction;
//! The MinimizerItem class is the base item to hold minimizer settings.
@@ -36,10 +37,12 @@ class BA_CORE_API_ MinimizerContainerItem : public MinimizerItem
public:
static const QString P_MINIMIZERS;
static const QString P_INTENSITY_FUNCTION;
+ static const QString P_VARIANCE_FUNCTIONS;
MinimizerContainerItem();
std::unique_ptr<IMinimizer> createMinimizer() const;
std::unique_ptr<IIntensityFunction> createIntensityFunction() const;
+ std::unique_ptr<IVarianceFunction> createVarianceFunction() const;
};
//! The MinuitMinimizerItem class represents settings for ROOT Minuit2 minimizer.
diff --git a/GUI/coregui/Models/VarianceFunctionItems.cpp b/GUI/coregui/Models/VarianceFunctionItems.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4ec856e9329d0d3458994d606d0c5b45386bcd6a
--- /dev/null
+++ b/GUI/coregui/Models/VarianceFunctionItems.cpp
@@ -0,0 +1,51 @@
+// ************************************************************************** //
+//
+// BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file GUI/coregui/Models/VarianceFunctionItems.cpp
+//! @brief Implements classes VarianceFunctionItems
+//!
+//! @homepage http://www.bornagainproject.org
+//! @license GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
+#include "VarianceFunctionItems.h"
+#include "item_constants.h"
+#include "VarianceFunctions.h"
+
+IVarianceFunctionItem::IVarianceFunctionItem(const QString& model_type)
+ : SessionItem(model_type)
+{
+
+}
+
+VarianceDefaultFunctionItem::VarianceDefaultFunctionItem()
+ : IVarianceFunctionItem(Constants::VarianceDefaultFunctionType)
+{
+ setToolTip("Provides default residual normalization (i.e. leaves unnormalized)");
+
+}
+
+std::unique_ptr<IVarianceFunction> VarianceDefaultFunctionItem::createVarianceFunction() const
+{
+ return std::make_unique<VarianceDefaultFunction>();
+}
+
+const QString VarianceSimFunctionItem::P_EPSILON = "epsilon";
+
+VarianceSimFunctionItem::VarianceSimFunctionItem()
+ : IVarianceFunctionItem(Constants::VarianceSimFunctionType)
+{
+ setToolTip("Normalizes residual on max(sim, epsilon)");
+ addProperty(P_EPSILON, 1.0)
+ ->setToolTip(QStringLiteral("Defines threshold on simulated amplitude max(sim, epsilon)"));
+
+}
+
+std::unique_ptr<IVarianceFunction> VarianceSimFunctionItem::createVarianceFunction() const
+{
+ return std::make_unique<VarianceSimFunction>(getItemValue(P_EPSILON).toDouble());
+}
diff --git a/GUI/coregui/Models/VarianceFunctionItems.h b/GUI/coregui/Models/VarianceFunctionItems.h
new file mode 100644
index 0000000000000000000000000000000000000000..f83ac99625b08b95a4e61d91c4166bbd94e9f9dd
--- /dev/null
+++ b/GUI/coregui/Models/VarianceFunctionItems.h
@@ -0,0 +1,49 @@
+// ************************************************************************** //
+//
+// BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file GUI/coregui/Models/VarianceFunctionItems.h
+//! @brief Defines classes VarianceFunctionItems
+//!
+//! @homepage http://www.bornagainproject.org
+//! @license GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
+#ifndef VARIANTFUNCTIONITEMS_H
+#define VARIANTFUNCTIONITEMS_H
+
+#include "SessionItem.h"
+#include <QString>
+#include <memory>
+
+class IVarianceFunction;
+
+class BA_CORE_API_ IVarianceFunctionItem : public SessionItem
+{
+public:
+ virtual std::unique_ptr<IVarianceFunction> createVarianceFunction() const = 0;
+protected:
+ IVarianceFunctionItem(const QString& model_type);
+};
+
+class BA_CORE_API_ VarianceDefaultFunctionItem : public IVarianceFunctionItem
+{
+public:
+ VarianceDefaultFunctionItem();
+
+ std::unique_ptr<IVarianceFunction> createVarianceFunction() const;
+};
+
+class BA_CORE_API_ VarianceSimFunctionItem : public IVarianceFunctionItem
+{
+public:
+ static const QString P_EPSILON;
+ VarianceSimFunctionItem();
+
+ std::unique_ptr<IVarianceFunction> createVarianceFunction() const;
+};
+
+#endif // VARIANTFUNCTIONITEMS_H
diff --git a/GUI/coregui/Models/item_constants.h b/GUI/coregui/Models/item_constants.h
index b8edf210fbbde235171d665e44d08a18d17369d9..daebed04d3d571b8002e408aebddfb87051c679c 100644
--- a/GUI/coregui/Models/item_constants.h
+++ b/GUI/coregui/Models/item_constants.h
@@ -200,6 +200,9 @@ const ModelType FootprintNoneType = "NoFootprint";
const ModelType FootprintGaussianType = "GaussianFootrpint";
const ModelType FootprintSquareType = "SquareFootprint";
+const ModelType VarianceDefaultFunctionType = "VarianceDefaultFunction";
+const ModelType VarianceSimFunctionType = "VarianceSimFunction";
+
// --- Groups ------------------------------------------------------------------
const ModelType FormFactorGroup = "Form Factor";
@@ -222,6 +225,7 @@ const ModelType BackgroundGroup = "Background group";
const ModelType MaterialDataGroup = "Material data group";
const ModelType FootprintGroup = "Footprint group";
const ModelType AxesGroup = "Axes group";
+const ModelType VarianceFunctionGroup = "Variance group";
// --- Units&Constants----------------------------------------------------------