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 # Interface IOperationsHeatMapSTFTDataViewModel

 Last update: 16.07.2025 

Namespace: [VM.Operations.Post.Interfaces](VM.Operations.Post.Interfaces.md)  
Assembly: VM.Operations.Post.dll

```csharp
public interface IOperationsHeatMapSTFTDataViewModel

```

## Properties

### End

Get or Set the end time for using FFT on target data series.

```csharp
double End { get; set; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)

### LegendColorType

Get or Set the type of legend color. It has NORMAL, NORMAL\_INVERTED, BLACK\_TO\_WHITE WHITE\_TO\_BLACK, GREEN\_TO\_BROWN, WHITE\_TO\_BROWN, METAL\_CASTING THERMAL\_1, THERMAL\_2, THERMAL\_3

```csharp
ColorSchemeType LegendColorType { get; set; }

```

#### Property Value

ColorSchemeType

### Overlap

Get or Set the value of the percentage for setting overlapped intervals.

```csharp
double Overlap { get; set; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)

### ReferenceValue

Get or Set the reference value on decibel as the type of the scale.

```csharp
double ReferenceValue { get; set; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)

### SamplingFrequency

Get or Set the value about setting the number of the interval for dividing Y direction grids on color map.

```csharp
int SamplingFrequency { get; set; }

```

#### Property Value

[int](https://learn.microsoft.com/dotnet/api/system.int32)

### ScaleFactor

Get or Set the scale factor to change from time domain to another domain.

```csharp
double ScaleFactor { get; set; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)

### SelectedPoints

Get or Set the number of data point for FFT.

```csharp
int SelectedPoints { get; set; }

```

#### Property Value

[int](https://learn.microsoft.com/dotnet/api/system.int32)

### SelectedScaleType

Get or Set the scale type of STFT. STFT Scale Type has Original, Decibel.

```csharp
STFTScaleType SelectedScaleType { get; set; }

```

#### Property Value

STFTScaleType

### Start

Get or Set the start time for using FFT on target data series.

```csharp
double Start { get; set; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)

### TimeSlice

Get or Set the value about setting the number of the interval for dividing X direction grids on color map.

```csharp
double TimeSlice { get; set; }

```

#### Property Value

[double](https://learn.microsoft.com/dotnet/api/system.double)

## Methods

### ExportOrderTrackingCurve(string)

Export a curve to order tracking.

```csharp
void ExportOrderTrackingCurve(string name)

```

#### Parameters

`name` [string](https://learn.microsoft.com/dotnet/api/system.string)

The name of curve.