ConstantViennaAProvider (OREKIT 12.1.2 API)

java.lang.Object
- org.orekit.models.earth.troposphere.ConstantViennaAProvider

All Implemented Interfaces:

ViennaAProvider
```
public class ConstantViennaAProvider
extends Object
implements ViennaAProvider
```
Provider for constant Vienna A coefficients.

Since:

12.1

Author:

Luc Maisonobe

Constructor Summary

Constructors
Constructor Description

ConstantViennaAProvider(ViennaACoefficients a)
Simple constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<T extends CalculusFieldElement<T>> FieldViennaACoefficients<T>`	`getA(FieldGeodeticPoint<T> location, FieldAbsoluteDate<T> date)`	Get coefficients array for VMF mapping function.
`ViennaACoefficients`	`getA(GeodeticPoint location, AbsoluteDate date)`	Get coefficients array for VMF mapping function.

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

- Constructor Detail
  - ConstantViennaAProvider
```
public ConstantViennaAProvider(ViennaACoefficients a)
```
    Simple constructor.
    
    Parameters:
    
    a - constant parameters
- Method Detail
  - getA
```
public ViennaACoefficients getA(GeodeticPoint location,
                                AbsoluteDate date)
```
    Get coefficients array for VMF mapping function.
    
    double[0] = a_h
    double[1] = a_w
    Specified by:
    
    getA in interface ViennaAProvider
    
    Parameters:
    
    location - location at which parameters are requested
    
    date - date at which parameters are requested
    
    Returns:
    
    the coefficients array for VMF mapping function
  - getA
```
public <T extends CalculusFieldElement<T>> FieldViennaACoefficients<T> getA(FieldGeodeticPoint<T> location,
                                                                            FieldAbsoluteDate<T> date)
```
    Get coefficients array for VMF mapping function.
    
    double[0] = a_h
    double[1] = a_w
    Specified by:
    
    getA in interface ViennaAProvider
    
    Type Parameters:
    
    T - type of the field elements
    
    Parameters:
    
    location - location at which parameters are requested
    
    date - date at which parameters are requested
    
    Returns:
    
    the coefficients array for VMF mapping function