diff --git a/StructureHelper/Infrastructure/UI/Resources/ButtonStyles.xaml b/StructureHelper/Infrastructure/UI/Resources/ButtonStyles.xaml
index deaeb92..82cf364 100644
--- a/StructureHelper/Infrastructure/UI/Resources/ButtonStyles.xaml
+++ b/StructureHelper/Infrastructure/UI/Resources/ButtonStyles.xaml
@@ -55,7 +55,7 @@
             <Style TargetType="Image">
                 <Setter Property="Width" Value="32"/>
                 <Setter Property="Height" Value="32"/>
-                <Setter Property="Margin" Value="0"/>
+                <Setter Property="Margin" Value="-2"/>
                 <Setter Property="HorizontalAlignment" Value="Center"/>
                 <Setter Property="VerticalAlignment" Value="Center"/>
                 <Style.Triggers>
@@ -69,7 +69,7 @@
         <Setter Property="Height" Value="32"/>
         <Setter Property="Margin" Value="2,0,2,0"/>
         <Setter Property="Background" Value="#FFA19BC3"/>
-        <Setter Property="BorderBrush" Value="#FF857AB9"/>
+        <Setter Property="BorderBrush" Value="Black"/>
     </Style>
 
     <Style x:Key="ButtonImage16" TargetType="Image">
diff --git a/StructureHelper/Infrastructure/UI/Resources/ItemEditPanels.xaml b/StructureHelper/Infrastructure/UI/Resources/ItemEditPanels.xaml
index 502aeed..4324620 100644
--- a/StructureHelper/Infrastructure/UI/Resources/ItemEditPanels.xaml
+++ b/StructureHelper/Infrastructure/UI/Resources/ItemEditPanels.xaml
@@ -43,7 +43,14 @@
                 <Button Content="Invert Selection" Command="{Binding InvertSelectionCommand}"/>
             </StackPanel>
             <ScrollViewer Grid.Row="1" VerticalScrollBarVisibility="Visible">
-                <ListBox ItemsSource="{Binding CollectionItems}" SelectedItem="SelectedItem">
+                <ListBox ItemsSource="{Binding CollectionItems}" SelectedItem="SelectedItem" HorizontalAlignment="Stretch">
+                    <ListBox.ContextMenu>
+                        <ContextMenu>
+                            <MenuItem Header="Select All" Command="{Binding SelectAllCommand}"/>
+                            <MenuItem Header="UnSelect All" Command="{Binding UnSelectAllCommand}"/>
+                            <MenuItem Header="Unvert Selection" Command="{Binding InvertSelectionCommand}"/>
+                        </ContextMenu>
+                    </ListBox.ContextMenu>
                     <ListBox.ItemTemplate>
                         <DataTemplate>
                             <Grid>
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/DiagramFactory.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/DiagramFactory.cs
index d934745..62bda1a 100644
--- a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/DiagramFactory.cs
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/DiagramFactory.cs
@@ -10,12 +10,18 @@ using System.Threading.Tasks;
 
 namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews
 {
+    /// <summary>
+    /// Create array of common values
+    /// </summary>
     public class DiagramFactory
     {
         private ArrayParameter<double> arrayParameter;
+        /// <summary>
+        /// Collection of force results
+        /// </summary>
         public List<IForcesTupleResult> TupleList { get; set; }
 
-        public Action<int> SetProgress { get; set; }
+        //public Action<int> SetProgress { get; set; }
 
         public ArrayParameter<double> GetCommonArray()
         {
@@ -35,7 +41,7 @@ namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews
                 {
                     data[i, j] = valueList[j];
                 }
-                SetProgress?.Invoke(i);
+                //SetProgress?.Invoke(i);
             }
         }
 
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/IValuePointDiagramLogic.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/IValuePointDiagramLogic.cs
new file mode 100644
index 0000000..a4919bf
--- /dev/null
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/IValuePointDiagramLogic.cs
@@ -0,0 +1,18 @@
+using StructureHelper.Windows.Forces;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Models.Parameters;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using System.Collections.Generic;
+
+namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalculatorViews.ForceResultLogic
+{
+    public interface IValuePointDiagramLogic
+    {
+        ForceCalculator Calculator { get; set; }
+        PointPrimitiveLogic PrimitiveLogic { get; set; }
+        IEnumerable<IForcesTupleResult> TupleList { get; set; }
+        ValueDelegatesLogic ValueDelegatesLogic { get; set; }
+
+        GenericResult<ArrayParameter<double>> GetArrayParameter();
+    }
+}
\ No newline at end of file
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/InterpolateValuePointsLogic.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/InterpolateValuePointsLogic.cs
new file mode 100644
index 0000000..fc1d066
--- /dev/null
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/InterpolateValuePointsLogic.cs
@@ -0,0 +1,86 @@
+using StructureHelper.Windows.Forces;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces.Logics;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using StructureHelper.Infrastructure.UI.DataContexts;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Calculators;
+
+namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalculatorViews.ForceResultLogic
+{
+    public class InterpolateValuePointsLogic
+    {
+        private InterpolationProgressLogic interpolationLogic;
+        private ValuePointsInterpolateViewModel viewModel;
+        private IResult result;
+        private ValuePointsInterpolationInputData inputData;
+        public ForcesTupleResult SelectedResult { get; set; }
+        public IEnumerable<INdmPrimitive> NdmPrimitives { get; set; }
+        public ForceCalculator ForceCalculator { get; set; }
+
+
+        public ILongProcessLogic ProgressLogic { get; set; }
+        public ShowProgressLogic ShowProgressLogic { get; set; }
+
+        public void InterpolateValuePoints()
+        {
+            var tuple = SelectedResult.DesignForceTuple ?? throw new StructureHelperException(ErrorStrings.NullReference + ": Design force combination");
+            PrepareInputData(tuple);
+            viewModel = new ValuePointsInterpolateViewModel(inputData);
+            if (ShowDialog() == false) { return; };
+            ShowDiagram(result);
+        }
+
+        private void PrepareInputData(IDesignForceTuple tuple)
+        {
+            inputData = new ValuePointsInterpolationInputData()
+            {
+                FinishDesignForce = tuple.Clone() as IDesignForceTuple,
+                LimitState = tuple.LimitState,
+                CalcTerm = tuple.CalcTerm,
+            };
+            inputData.PrimitiveBases.AddRange(PrimitiveOperations.ConvertNdmPrimitivesToPrimitiveBase(NdmPrimitives));
+        }
+
+        private bool ShowDialog()
+        {
+            var wnd = new ValuePointsInterpolateView(viewModel);
+            wnd.ShowDialog();
+            if (wnd.DialogResult != true) { return false; }
+            interpolationLogic = new InterpolationProgressLogic(ForceCalculator, viewModel.ForceInterpolationViewModel.Result);
+            ProgressLogic = interpolationLogic;
+            ShowProgressLogic = new(interpolationLogic)
+            {
+                WindowTitle = "Interpolate forces",
+            };
+            ShowProgressLogic.Show();
+            result = interpolationLogic.InterpolateCalculator.Result;
+            return true;
+        }
+
+        private void ShowDiagram(IResult result)
+        {
+            if (result.IsValid == false) { return; }
+            if (result is not IForcesResults)
+            {
+                throw new StructureHelperException(ErrorStrings.ExpectedWas(typeof(IForcesResults), result));
+            }
+            var tupleResult = result as IForcesResults;
+            var pointGraphLogic = new ShowValuePointDiagramLogic()
+            {
+                Calculator = interpolationLogic.InterpolateCalculator,
+                PrimitiveLogic = viewModel.PrimitiveLogic,
+                ValueDelegatesLogic = viewModel.ValueDelegatesLogic,
+                TupleList = tupleResult.ForcesResultList
+            };
+            pointGraphLogic.ShowWindow();
+        }
+    }
+}
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowDiagramLogic.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowDiagramLogic.cs
index 60f4b9b..033e827 100644
--- a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowDiagramLogic.cs
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowDiagramLogic.cs
@@ -61,7 +61,7 @@ namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalcu
             var factory = new DiagramFactory()
             {
                 TupleList = validTupleList,
-                SetProgress = SetProgress,
+                //SetProgress = SetProgress,
             };
             arrayParameter = factory.GetCommonArray();
         }
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowProgressLogic.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowProgressLogic.cs
index b749272..23c4e20 100644
--- a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowProgressLogic.cs
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowProgressLogic.cs
@@ -12,7 +12,7 @@ using System.Windows.Forms;
 
 namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalculatorViews
 {
-    internal class ShowProgressLogic
+    public class ShowProgressLogic
     {
         private ShowProgressViewModel progressViewModel;
         private ShowProgressView wndProgress;
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowValuePointDiagramLogic.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowValuePointDiagramLogic.cs
index 2ec5fff..abcc47d 100644
--- a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowValuePointDiagramLogic.cs
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ShowValuePointDiagramLogic.cs
@@ -1,6 +1,8 @@
-using LoaderCalculator.Data.Ndms;
+using LoaderCalculator.Data.Materials.MaterialBuilders;
+using LoaderCalculator.Data.Ndms;
 using StructureHelper.Infrastructure.UI.DataContexts;
 using StructureHelper.Services.ResultViewers;
+using StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalculatorViews.ForceResultLogic;
 using StructureHelper.Windows.Forces;
 using StructureHelper.Windows.Graphs;
 using StructureHelper.Windows.ViewModels.Errors;
@@ -8,6 +10,7 @@ using StructureHelperCommon.Infrastructures.Enums;
 using StructureHelperCommon.Infrastructures.Exceptions;
 using StructureHelperCommon.Infrastructures.Interfaces;
 using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
 using StructureHelperCommon.Models.Forces;
 using StructureHelperCommon.Models.Parameters;
 using StructureHelperCommon.Models.Shapes;
@@ -20,128 +23,43 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
+//Copyright (c) 2023 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
 namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews
 {
-    public class ShowValuePointDiagramLogic : ILongProcessLogic
+    public class ShowValuePointDiagramLogic //: ILongProcessLogic
     {
         private ArrayParameter<double> arrayParameter;
-        private IEnumerable<IForcesTupleResult> tupleList;
-        private IEnumerable<INdmPrimitive> ndmPrimitives;
-        private List<IForcesTupleResult> validTupleList;
-        private List<(PrimitiveBase PrimitiveBase, List<INamedAreaPoint> namedPoints)> valuePoints;
-        private List<IResultFunc> resultFuncList;
+        private IValuePointDiagramLogic pointDiagramLogic;
 
+        public IEnumerable<IForcesTupleResult> TupleList { get; set; }
         public ForceCalculator Calculator { get; set; }
         public PointPrimitiveLogic PrimitiveLogic { get; set; }
         public ValueDelegatesLogic ValueDelegatesLogic { get; set; }
 
-        public int StepCount => throw new NotImplementedException();
+        //public int StepCount => throw new NotImplementedException();
 
-        public Action<int> SetProgress { get; set; }
-        public bool Result { get; set; }
-        public IShiftTraceLogger? TraceLogger { get; set; }
-        public ShowValuePointDiagramLogic(IEnumerable<IForcesTupleResult> tupleList, IEnumerable<INdmPrimitive> ndmPrimitives)
+        //public Action<int> SetProgress { get; set; }
+        //public bool Result { get; set; }
+        //public IShiftTraceLogger? TraceLogger { get; set; }
+        public ShowValuePointDiagramLogic(IValuePointDiagramLogic pointDiagramLogic)
         {
-            this.tupleList = tupleList;
-            this.ndmPrimitives = ndmPrimitives;
-            validTupleList = this.tupleList.Where(x => x.IsValid == true).ToList();
-            valuePoints = new List<(PrimitiveBase PrimitiveBase, List<INamedAreaPoint>)>();
+            this.pointDiagramLogic = pointDiagramLogic;
         }
-
-        public void SetParameters()
+        public ShowValuePointDiagramLogic() : this(new ValuePointDiagramLogic())
         {
-            var factory = new DiagramFactory()
-            {
-                TupleList = validTupleList,
-                SetProgress = SetProgress,
-            };
-            arrayParameter = factory.GetCommonArray();
-
-            foreach (var item in PrimitiveLogic.Collection.CollectionItems)
-            {
-                var pointsCount = item.Item.ValuePoints.SelectedCount;
-                if (pointsCount > 0)
-                {
-                    var points = item.Item.ValuePoints.SelectedItems.ToList();
-                    var primitive = item.Item.PrimitiveBase;
-                    valuePoints.Add((primitive, points));
-                }
-            }
-
-            var selectedDelegates = ValueDelegatesLogic.ResultFuncs.SelectedItems;
-            if (selectedDelegates.Count() == 0) { return; }
-            var labels = GetLabels(valuePoints, selectedDelegates);
-            var pointCount = valuePoints.Sum(x => x.namedPoints.Count());
-            List<double> values = new();
-            var tuplesList = tupleList
-                .Where(x => x.IsValid == true)
-                .ToList();
-            var newArray = new ArrayParameter<double>(tuplesList.Count(), labels);
-            for (int i = 0; i < tuplesList.Count(); i++)
-            {
-                var strainMatrix = tuplesList[i].LoaderResults.ForceStrainPair.StrainMatrix;
-                values.Clear();
-                foreach (var valuePoint in valuePoints)
-                {
-                    foreach (var point in valuePoint.namedPoints)
-                    {
-                        var limitState = tuplesList[i].DesignForceTuple.LimitState;
-                        var calcTerm = tuplesList[i].DesignForceTuple.CalcTerm;
-                        var ndm = GetNdm(valuePoint, point, limitState, calcTerm);
-
-                        foreach (var valDelegate in selectedDelegates)
-                        {
-
-                            double val = valDelegate.ResultFunction.Invoke(strainMatrix, ndm) * valDelegate.UnitFactor;
-                            values.Add(val);
-                        }
-                    }
-                }
-                newArray.AddRow(i, values);
-            }
-            arrayParameter.AddArray(newArray);
+            
         }
-
-        private List<string> GetLabels(List<(PrimitiveBase PrimitiveBase, List<INamedAreaPoint> namedPoints)> valuePoints, IEnumerable<IResultFunc> selectedDelegates)
-        {
-            List<string> strings = new();
-            foreach (var valuePoint in valuePoints)
-            {
-                foreach (var item in valuePoint.namedPoints)
-                {
-                    foreach (var deleg in selectedDelegates)
-                    {
-                        string s = valuePoint.PrimitiveBase.Name;
-                        s += "_" + item.Name;
-                        s += "_" + deleg.Name + ", " + deleg.UnitName;
-                        strings.Add(s);
-                    }
-                }
-            }
-            return strings;
-        }
-
-        private static RebarNdm GetNdm((PrimitiveBase PrimitiveBase, List<INamedAreaPoint> namedPoints) valuePoint, INamedAreaPoint point, LimitStates limitState, CalcTerms calcTerm)
-        {
-            var ndmPrimitive = valuePoint.PrimitiveBase.GetNdmPrimitive();
-            var material = ndmPrimitive.HeadMaterial.GetLoaderMaterial(limitState, calcTerm);
-            var userPrestrain = ndmPrimitive.UsersPrestrain;
-            var autoPrestrain = ndmPrimitive.AutoPrestrain;
-            var ndm = new RebarNdm()
-            {
-                Area = point.Area,
-                CenterX = point.Point.X,
-                CenterY = point.Point.Y,
-                Material = material,
-            };
-            ndm.Prestrain = (userPrestrain.Mx + autoPrestrain.Mx) * point.Point.Y
-                + (userPrestrain.My + autoPrestrain.My) * point.Point.X
-                + userPrestrain.Nz + autoPrestrain.Nz;
-            return ndm;
-        }
-
         public void ShowWindow()
         {
+            var result = GetResult();
+            if (result.IsValid != true)
+            {
+                SafetyProcessor.ShowMessage(ErrorStrings.DataIsInCorrect, result.Description);
+                return;
+            }
+            arrayParameter = result.Value;
             SafetyProcessor.RunSafeProcess(() =>
             {
                 var series = new Series(arrayParameter)
@@ -157,39 +75,14 @@ namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews
             }, ErrorStrings.ErrorDuring("building chart"));
         }
 
-        public void WorkerDoWork(object sender, DoWorkEventArgs e)
+        private GenericResult<ArrayParameter<double>> GetResult()
         {
-            Show();
-            Result = true;
-        }
-
-        public void WorkerProgressChanged(object sender, ProgressChangedEventArgs e)
-        {
-            //Nothing to do
-        }
-
-        public void WorkerRunWorkCompleted(object sender, RunWorkerCompletedEventArgs e)
-        {
-            //Nothing to do
-        }
-
-        private void Show()
-        {
-            validTupleList = tupleList.Where(x => x.IsValid == true).ToList();
-
-            var factory = new DiagramFactory()
-            {
-                TupleList = validTupleList,
-                SetProgress = SetProgress,
-            };
-            arrayParameter = factory.GetCommonArray();
-        }
-
-        private List<string> GetColumnNames()
-        {
-            var columnNames = LabelsFactory.GetCommonLabels();
-            
-            return columnNames;
+            pointDiagramLogic.TupleList = TupleList;
+            pointDiagramLogic.PrimitiveLogic = PrimitiveLogic;
+            pointDiagramLogic.Calculator = Calculator;
+            pointDiagramLogic.ValueDelegatesLogic = ValueDelegatesLogic;
+            var results = pointDiagramLogic.GetArrayParameter();
+            return results;
         }
     }
 }
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ValuePointDiagramLogic.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ValuePointDiagramLogic.cs
new file mode 100644
index 0000000..9cdc5da
--- /dev/null
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForceResultLogic/ValuePointDiagramLogic.cs
@@ -0,0 +1,173 @@
+using LoaderCalculator.Data.Ndms;
+using StructureHelper.Infrastructure.UI.DataContexts;
+using StructureHelper.Services.ResultViewers;
+using StructureHelper.Windows.Forces;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Models.Parameters;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Media;
+
+namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalculatorViews.ForceResultLogic
+{
+    public class ValuePointDiagramLogic : IValuePointDiagramLogic
+    {
+        private ArrayParameter<double> arrayParameter;
+        private List<(INamedAreaPoint areaPoint, INdmPrimitive ndmPrimitive)> pointCollection;
+        private List<IForcesTupleResult> validTuplesList;
+        private ArrayParameter<double> arrayOfValuesByPoint;
+        private IEnumerable<IResultFunc> selectedDelegates;
+        private string exceptionMessage;
+
+        public IEnumerable<IForcesTupleResult> TupleList { get; set; }
+        public ForceCalculator Calculator { get; set; }
+        public PointPrimitiveLogic PrimitiveLogic { get; set; }
+        public ValueDelegatesLogic ValueDelegatesLogic { get; set; }
+
+        public GenericResult<ArrayParameter<double>> GetArrayParameter()
+        {
+            SetParameters();
+            var checkResult = CheckParameters();
+            if (checkResult != true)
+            {
+                return GetFalseResult();
+            }
+            PrepareArray();
+            return GetValidResult();
+        }
+
+        private GenericResult<ArrayParameter<double>> GetValidResult()
+        {
+            int i = 0;
+            foreach (var tuple in validTuplesList)
+            {
+                ProcessPointByTuple(tuple, i);
+                i++;
+            }
+            arrayParameter.AddArray(arrayOfValuesByPoint);
+            return new GenericResult<ArrayParameter<double>>()
+            {
+                IsValid = true,
+                Value = arrayParameter
+            };
+        }
+        private GenericResult<ArrayParameter<double>> GetFalseResult()
+        {
+            return new GenericResult<ArrayParameter<double>>()
+            {
+                IsValid = false,
+                Description = exceptionMessage
+            };
+        }
+        private void SetParameters()
+        {
+            GetPointCollection();
+            selectedDelegates = ValueDelegatesLogic.ResultFuncs.SelectedItems;
+            validTuplesList = TupleList
+                .Where(x => x.IsValid == true)
+                .ToList();
+        }
+        private bool CheckParameters()
+        {
+            var result = true;
+            exceptionMessage = ErrorStrings.DataIsInCorrect;
+            if (pointCollection.Any() == false)
+            {
+                exceptionMessage += ", point collection is null";
+                result = false;
+            }
+            if (selectedDelegates.Any() == false)
+            {
+                exceptionMessage += ", value expression collection is null";
+                result = false;
+            }
+            if (validTuplesList.Any() == false)
+            {
+                exceptionMessage += ", force list is empty";
+                result = false;
+            }
+            return result;
+        }
+        private void GetPointCollection()
+        {
+            pointCollection = new();
+            foreach (var primitiveValuePoint in PrimitiveLogic.Collection.CollectionItems)
+            {
+                foreach (var selectedPoint in primitiveValuePoint.Item.ValuePoints.SelectedItems)
+                {
+                    var newPoint = (selectedPoint, primitiveValuePoint.Item.PrimitiveBase.GetNdmPrimitive());
+                    pointCollection.Add(newPoint);
+                }
+            }
+        }
+        private void ProcessPointByTuple(IForcesTupleResult tuple, int i)
+        {
+            var values = new List<double>();
+            var strainMatrix = tuple.LoaderResults.ForceStrainPair.StrainMatrix;
+
+            foreach (var valuePoint in pointCollection)
+            {
+                var ndm = GetMockNdm(valuePoint, tuple);
+
+                foreach (var valDelegate in selectedDelegates)
+                {
+                    double val = valDelegate.ResultFunction.Invoke(strainMatrix, ndm) * valDelegate.UnitFactor;
+                    values.Add(val);
+                }
+            }
+            arrayOfValuesByPoint.AddRow(i, values);
+        }
+        private void PrepareArray()
+        {
+            var factory = new DiagramFactory()
+            {
+                TupleList = validTuplesList,
+                //SetProgress = SetProgress,
+            };
+            arrayParameter = factory.GetCommonArray();
+
+            var labels = GetValueLabels(selectedDelegates);
+            arrayOfValuesByPoint = new ArrayParameter<double>(validTuplesList.Count(), labels);
+        }
+        private INdm GetMockNdm((INamedAreaPoint areaPoint, INdmPrimitive ndmPrimitive) valuePoint, IForcesTupleResult tuple)
+        {
+            var limitState = tuple.DesignForceTuple.LimitState;
+            var calcTerm = tuple.DesignForceTuple.CalcTerm;
+            var material = valuePoint.ndmPrimitive.HeadMaterial.GetLoaderMaterial(limitState, calcTerm);
+            var userPrestrain = valuePoint.ndmPrimitive.UsersPrestrain;
+            var autoPrestrain = valuePoint.ndmPrimitive.AutoPrestrain;
+            var ndm = new RebarNdm()
+            {
+                Area = valuePoint.areaPoint.Area,
+                CenterX = valuePoint.areaPoint.Point.X,
+                CenterY = valuePoint.areaPoint.Point.Y,
+                Material = material,
+            };
+            ndm.Prestrain = (userPrestrain.Mx + autoPrestrain.Mx) * valuePoint.areaPoint.Point.Y
+                + (userPrestrain.My + autoPrestrain.My) * valuePoint.areaPoint.Point.X
+                + userPrestrain.Nz + autoPrestrain.Nz;
+            return ndm;
+        }
+        private List<string> GetValueLabels(IEnumerable<IResultFunc> selectedDelegates)
+        {
+            List<string> strings = new();
+            foreach (var valuePoint in pointCollection)
+            {
+                foreach (var deleg in selectedDelegates)
+                {
+                    string s = valuePoint.ndmPrimitive.Name;
+                    s += "_" + valuePoint.areaPoint.Name;
+                    s += "_" + deleg.Name + ", " + deleg.UnitName;
+                    strings.Add(s);
+                }
+            }
+            return strings;
+        }
+    }
+}
diff --git a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForcesResultsViewModel.cs b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForcesResultsViewModel.cs
index 7caa0b4..18e9aeb 100644
--- a/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForcesResultsViewModel.cs
+++ b/StructureHelper/Windows/CalculationWindows/CalculatorsViews/ForceCalculatorViews/ForcesResultsViewModel.cs
@@ -285,40 +285,15 @@ namespace StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalcu
             {
                 throw new StructureHelperException(ErrorStrings.NullReference + ": Nothing is selected");
             }
-            var tuple = SelectedResult.DesignForceTuple ?? throw new StructureHelperException(ErrorStrings.NullReference + ": Design force combination");
-            var inputData = new ValuePointsInterpolationInputData()
+            var logic = new InterpolateValuePointsLogic()
             {
-                FinishDesignForce = tuple.Clone() as IDesignForceTuple,
-                LimitState = tuple.LimitState,
-                CalcTerm = tuple.CalcTerm,
+                SelectedResult = SelectedResult,
+                ForceCalculator = forceCalculator,
+                NdmPrimitives = ndmPrimitives,
+                ProgressLogic = progressLogic,
+                ShowProgressLogic = showProgressLogic
             };
-            inputData.PrimitiveBases.AddRange(PrimitiveOperations.ConvertNdmPrimitivesToPrimitiveBase(ndmPrimitives));
-            var viewModel = new ValuePointsInterpolateViewModel(inputData);
-            var wnd = new ValuePointsInterpolateView(viewModel);
-            wnd.ShowDialog();
-            if (wnd.DialogResult != true) { return; }
-            var interpolationLogic = new InterpolationProgressLogic(forceCalculator, viewModel.ForceInterpolationViewModel.Result);
-            progressLogic = interpolationLogic;
-            showProgressLogic = new(interpolationLogic)
-            {
-                WindowTitle = "Interpolate forces",
-            };
-            showProgressLogic.Show();
-            var result = interpolationLogic.InterpolateCalculator.Result;
-            if (result.IsValid == false) { return; }
-            if (result is IForcesResults)
-            {
-                var tupleResult = result as IForcesResults;
-                var pointGraphLogic = new ShowValuePointDiagramLogic(tupleResult.ForcesResultList, ndmPrimitives)
-                {
-                    Calculator = interpolationLogic.InterpolateCalculator,
-                    PrimitiveLogic = viewModel.PrimitiveLogic,
-                    ValueDelegatesLogic = viewModel.ValueDelegatesLogic
-                };
-                pointGraphLogic.SetParameters();
-                pointGraphLogic.ShowWindow();
-            }
-
+            logic.InterpolateValuePoints();
         }
 
         private void ShowInterpolationWindow(out InterpolateTuplesViewModel interploateTuplesViewModel, out InterpolateTuplesView wndTuples)
diff --git a/StructureHelper/Windows/Forces/ValuePointsInterpolateView.xaml b/StructureHelper/Windows/Forces/ValuePointsInterpolateView.xaml
index 161f420..104bc62 100644
--- a/StructureHelper/Windows/Forces/ValuePointsInterpolateView.xaml
+++ b/StructureHelper/Windows/Forces/ValuePointsInterpolateView.xaml
@@ -6,7 +6,7 @@
         xmlns:local="clr-namespace:StructureHelper.Windows.Forces"
         mc:Ignorable="d"
         d:DataContext="{d:DesignInstance local:ValuePointsInterpolateViewModel}"
-        Title="Value Poits Interpolation" Height="250" Width="460" MinHeight="250" MinWidth="460" MaxHeight="450" MaxWidth="460" WindowStartupLocation="CenterScreen">
+        Title="Value Points Interpolation" Height="250" Width="460" MinHeight="250" MinWidth="460" MaxHeight="450" MaxWidth="460" WindowStartupLocation="CenterScreen">
     <Grid>
         <Grid.RowDefinitions>
             <RowDefinition/>
@@ -24,7 +24,7 @@
                                 <Expander.Header>
                                     <ContentControl ContentTemplate="{StaticResource ResourceKey=ColoredItemTemplate}" Content="{Binding Item.PrimitiveBase}"/>
                                 </Expander.Header>
-                                <ContentControl ContentTemplate="{StaticResource ResourceKey=SelectItems}" Content="{Binding Item.ValuePoints}"/>
+                                <ContentControl ContentTemplate="{StaticResource ResourceKey=SelectItems}" Content="{Binding Item.ValuePoints}" Width="400"/>
                             </Expander>
                         </DataTemplate>
                     </ListBox.ItemTemplate>
diff --git a/StructureHelper/Windows/Graphs/GraphView.xaml b/StructureHelper/Windows/Graphs/GraphView.xaml
index e1e49bd..ad233fa 100644
--- a/StructureHelper/Windows/Graphs/GraphView.xaml
+++ b/StructureHelper/Windows/Graphs/GraphView.xaml
@@ -18,8 +18,9 @@
         </ToolBarTray>-->
         <Grid>
             <Grid.ColumnDefinitions>
-                <ColumnDefinition Width="250"/>
-                <ColumnDefinition/>
+                <ColumnDefinition MinWidth="250"/>
+                <ColumnDefinition Width="Auto"/>
+                <ColumnDefinition Width="5*"/>
             </Grid.ColumnDefinitions>
             <Grid>
                 <Grid.RowDefinitions>
@@ -31,7 +32,7 @@
                     <ListBox.ItemTemplate>
                         <DataTemplate>
                             <Expander Header="{Binding Name}" IsExpanded="True" Background="{Binding Color}">
-                                <Grid >
+                                <Grid HorizontalAlignment="Stretch">
                                     <Grid.RowDefinitions>
                                         <RowDefinition Height="70"/>
                                         <RowDefinition/>
@@ -81,7 +82,8 @@
                     <Button Margin="3" Content="Draw Lines" ToolTip="Draw Lines" Command="{Binding RedrawLinesCommand}"/>
                 </StackPanel>
             </Grid>
-            <lvc:CartesianChart Name="MainChart" Grid.Column="1" Series="{Binding SeriesCollection}" LegendLocation="Bottom" Zoom="Xy">
+            <GridSplitter Grid.Column="1" Width="3" VerticalAlignment="Stretch" HorizontalAlignment="Center" ShowsPreview="False"/>
+            <lvc:CartesianChart Name="MainChart" Grid.Column="2" Series="{Binding SeriesCollection}" LegendLocation="Bottom" Zoom="Xy">
                 <lvc:CartesianChart.AxisY>
                     <lvc:Axis Title="y-value"></lvc:Axis>
                 </lvc:CartesianChart.AxisY>
diff --git a/StructureHelper/Windows/MainWindow/CrossSectionView.xaml b/StructureHelper/Windows/MainWindow/CrossSectionView.xaml
index ba96004..f68f712 100644
--- a/StructureHelper/Windows/MainWindow/CrossSectionView.xaml
+++ b/StructureHelper/Windows/MainWindow/CrossSectionView.xaml
@@ -143,67 +143,70 @@
                         Content="Fact" ToolTip="Add Factored Combination"/>
             </ToolBar>
             <ToolBar DataContext="{Binding MaterialsLogic}" ToolTip="Materials">
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.Concrete}">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/ConMaterial32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.Concrete}">
+                    <Image Source="/Windows/MainWindow/ConMaterial32.png"/>
                 </Button>
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.Reinforcement}" ToolTip="Add Reinforcement Material">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/RFMaterial32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.Reinforcement}" ToolTip="Add Reinforcement Material">
+                    <Image Source="/Windows/MainWindow/RFMaterial32.png"/>
                 </Button>
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.Elastic}" ToolTip="Add Elastic Material">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/ElasticMaterial32.png"/>
+                <Button  Style="{StaticResource ToolButton}"  Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.Elastic}" ToolTip="Add Elastic Material">
+                    <Image Source="/Windows/MainWindow/ElasticMaterial32.png"/>
                 </Button>
                 <Button Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.CarbonFiber}" ToolTip="Add Carbon Fiber Material">
                     <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/СarbonMaterial32.png"/>
                 </Button>
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.GlassFiber}" ToolTip="Add Glass Fiber Material">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/GlassMaterial32.png"/>
+                <Button Style="{StaticResource ToolButton}"  Command="{Binding Add}" CommandParameter="{x:Static enums:MaterialType.GlassFiber}" ToolTip="Add Glass Fiber Material">
+                    <Image Source="/Windows/MainWindow/GlassMaterial32.png"/>
                 </Button>
-                <Button Command="{Binding EditMaterialsCommand}" ToolTip="Show Materials">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Materials32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding EditMaterialsCommand}" ToolTip="Show Materials">
+                    <Image Source="/Windows/MainWindow/Materials32.png"/>
                 </Button>
             </ToolBar>
             <ToolBar ToolTip="Base Primitives" DataContext="{Binding PrimitiveLogic}">
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Rectangle}" ToolTip="Add Rectangle Primitive">
-                    <Image Style="{StaticResource ButtonImage32}"  Source="/Windows/MainWindow/Rectangle32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Rectangle}" ToolTip="Add Rectangle Primitive">
+                    <Image Source="/Windows/MainWindow/Rectangle32.png"/>
                 </Button>
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Circle}" ToolTip="Add Circle Primitive">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Circle32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Circle}" ToolTip="Add Circle Primitive">
+                    <Image Source="/Windows/MainWindow/Circle32.png"/>
                 </Button>
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Reinforcement}" ToolTip="Add Rebar Primitive">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Rebar32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Reinforcement}" ToolTip="Add Rebar Primitive">
+                    <Image Source="/Windows/MainWindow/Rebar32.png"/>
                 </Button>
-                <Button Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Point}" ToolTip="Add Point Primitive">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Point32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}" CommandParameter="{x:Static enums:PrimitiveType.Point}" ToolTip="Add Point Primitive">
+                    <Image Source="/Windows/MainWindow/Point32.png"/>
                 </Button>
             </ToolBar>
             <ToolBar ToolTip="RC Templates">
-                <Button Command="{Binding AddColumnCase}" ToolTip="Add Rectangle RC Column">
-                    <Image Width="32" Height="32" Source="/Windows/MainWindow/RectangleColumn32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding AddColumnCase}" ToolTip="Add Rectangle RC Column">
+                    <Image Source="/Windows/MainWindow/RectangleColumn32.png"/>
                 </Button>
-                <Button Command="{Binding AddRCCircleCase}" ToolTip="Add Circle RC Column">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/CircleColumn32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding AddRCCircleCase}" ToolTip="Add Circle RC Column">
+                    <Image Source="/Windows/MainWindow/CircleColumn32.png"/>
                 </Button>
-                <Button Command="{Binding AddBeamCase}" ToolTip="Add RC Beam">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Beam32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding AddBeamCase}" ToolTip="Add RC Beam">
+                    <Image Source="/Windows/MainWindow/Beam32.png"/>
                 </Button>
-                <Button Command="{Binding AddSlabCase}" ToolTip="Add RC Slab">
-                    <Image Width="32" Height="32" Source="/Windows/MainWindow/Slab32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding AddSlabCase}" ToolTip="Add RC Slab">
+                    <Image Source="/Windows/MainWindow/Slab32.png"/>
                 </Button>
             </ToolBar>
             <ToolBar ToolTip="Analises" DataContext="{Binding CalculatorsLogic}">
-                <Button Command="{Binding Add}" ToolTip="Add Force Calculator">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Calculator32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}"  CommandParameter="{x:Static enums:CalculatorTypes.ForceCalculator}" ToolTip="Add Force Calculator">
+                    <Image Source="/Windows/MainWindow/Calculator32.png"/>
                 </Button>
-                <Button Command="{Binding Run}" ToolTip="Run Calculations">
-                    <Image Style="{StaticResource ButtonImage32}" Source="/Windows/MainWindow/Analysis32.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Add}"  CommandParameter="{x:Static enums:CalculatorTypes.LimitCurveCalculator}" ToolTip="Add Interaction Diagram Calculator">
+                    <Image Source="/Windows/MainWindow/Calculator32.png"/>
+                </Button>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding Run}" ToolTip="Run Calculations">
+                    <Image Source="/Windows/MainWindow/Analysis32.png"/>
                 </Button>
             </ToolBar>
             <ToolBar ToolTip="Tools">
-                <Button Command="{Binding MovePrimitiveToGravityCenterCommand}" ToolTip="Move All Primitives to Gravity Center">
-                    <Image Width="32" Height="32" Source="/Windows/MainWindow/MovePrimitivesToCenter.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding MovePrimitiveToGravityCenterCommand}" ToolTip="Move All Primitives to Gravity Center">
+                    <Image Source="/Windows/MainWindow/MovePrimitivesToCenter.png"/>
                 </Button>
-                <Button Command="{Binding ShowVisualProperty}" ToolTip="Visual Settings">
-                    <Image Width="32" Height="32" Source="/Windows/MainWindow/Tools_Settings.png"/>
+                <Button Style="{StaticResource ToolButton}" Command="{Binding ShowVisualProperty}" ToolTip="Visual Settings">
+                    <Image Source="/Windows/MainWindow/Tools_Settings.png"/>
                 </Button>
             </ToolBar>
         </ToolBarTray>
diff --git a/StructureHelper/Windows/ViewModels/NdmCrossSections/AnalysisViewModelLogic.cs b/StructureHelper/Windows/ViewModels/NdmCrossSections/AnalysisViewModelLogic.cs
index 1e0d167..d639e36 100644
--- a/StructureHelper/Windows/ViewModels/NdmCrossSections/AnalysisViewModelLogic.cs
+++ b/StructureHelper/Windows/ViewModels/NdmCrossSections/AnalysisViewModelLogic.cs
@@ -2,6 +2,7 @@
 using StructureHelper.Infrastructure.Enums;
 using StructureHelper.Windows.CalculationWindows.CalculatorsViews.ForceCalculatorViews;
 using StructureHelper.Windows.CalculationWindows.ProgressViews;
+using StructureHelper.Windows.Errors;
 using StructureHelper.Windows.ViewModels.Calculations.Calculators;
 using StructureHelper.Windows.ViewModels.Errors;
 using StructureHelperCommon.Infrastructures.Exceptions;
@@ -10,6 +11,7 @@ using StructureHelperCommon.Models.Calculators;
 using StructureHelperLogics.Models.CrossSections;
 using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
 using StructureHelperLogics.NdmCalculations.Analyses.Logics;
+using System;
 using System.Windows;
 using System.Windows.Forms;
 using MessageBox = System.Windows.Forms.MessageBox;
@@ -25,32 +27,64 @@ namespace StructureHelper.Windows.ViewModels.NdmCrossSections
         private InteractionDiagramLogic interactionDiagramLogic;
 
         public override void AddMethod(object parameter)
+        {
+            if (CheckParameter(parameter) == false) { return; }
+            AddCalculator(parameter);
+            base.AddMethod(parameter);
+        }
+
+        private void AddCalculator(object parameter)
         {
             var parameterType = (CalculatorTypes)parameter;
             if (parameterType == CalculatorTypes.ForceCalculator)
             {
-                NewItem = new ForceCalculator()
-                {
-                    Name = "New force calculator",
-                    TraceLogger = new ShiftTraceLogger(),
-                };
+                AddForceCalculator();
             }
             else if (parameterType == CalculatorTypes.LimitCurveCalculator)
             {
-                var inputData = new LimitCurveInputData(repository.Primitives);
-                NewItem = new LimitCurvesCalculator()
-                {
-                    Name = "New interaction diagram calculator",
-                    InputData = inputData,
-                    TraceLogger = new ShiftTraceLogger(),
-                };
+                AddLimitCurveCalculator();
             }
             else
             {
                 throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(parameterType));
             }
-            base.AddMethod(parameter);
         }
+
+        private void AddLimitCurveCalculator()
+        {
+            var inputData = new LimitCurveInputData(repository.Primitives);
+            NewItem = new LimitCurvesCalculator()
+            {
+                Name = "New interaction diagram calculator",
+                InputData = inputData,
+                TraceLogger = new ShiftTraceLogger(),
+            };
+        }
+
+        private void AddForceCalculator()
+        {
+            NewItem = new ForceCalculator()
+            {
+                Name = "New force calculator",
+                TraceLogger = new ShiftTraceLogger(),
+            };
+        }
+
+        private bool CheckParameter(object parameter)
+        {
+            if (parameter is null)
+            {
+                SafetyProcessor.ShowMessage(ErrorStrings.ParameterIsNull, "It is imposible to add object cause parameter is null");
+                return false;
+            }
+            if (parameter is not CalculatorTypes)
+            {
+                SafetyProcessor.ShowMessage(ErrorStrings.ExpectedWas(typeof(CalculatorTypes), parameter), "Parameter is not correspondent to any type of calculator");
+                return false;
+            }
+            return true;
+        }
+
         public override void EditMethod(object parameter)
         {
             SafetyProcessor.RunSafeProcess(EditCalculator, $"Error of editing: {SelectedItem.Name}");