SummaryStxOp (SNAP Engine API)

java.lang.Object
- org.esa.snap.core.datamodel.SummaryStxOp

```
public final class SummaryStxOp
extends Object
```
Utility class for calculating minimum, maximum, mean and standard deviation. Uses a one-pass algorithm for computing mean and variance.

Since:

BEAM 4.5.1, full revision in 4.10

Constructor Summary

Constructors
Constructor Description

SummaryStxOp()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accumulateData(javax.media.jai.UnpackedImageData dataPixels, javax.media.jai.UnpackedImageData maskPixels)`
`double`	`getCoefficientOfVariation(String unit)`
`double`	`getEquivalentNumberOfLooks(String unit)`
`double`	`getMaximum()`
`double`	`getMean()`
`double`	`getMinimum()`
`String`	`getName()`
`double`	`getStandardDeviation()`
`double`	`getVariance()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- SummaryStxOp
```
public SummaryStxOp()
```

Method Detail

getMinimum
```
public double getMinimum()
```

getMaximum
```
public double getMaximum()
```

getMean
```
public double getMean()
```

getStandardDeviation
```
public double getStandardDeviation()
```

getVariance
```
public double getVariance()
```

getCoefficientOfVariation

public double getCoefficientOfVariation(String unit)

getEquivalentNumberOfLooks

public double getEquivalentNumberOfLooks(String unit)

accumulateData

public void accumulateData(javax.media.jai.UnpackedImageData dataPixels,
                           javax.media.jai.UnpackedImageData maskPixels)

getName
```
public String getName()
```