WXP::WxTool Class Reference

This class includes some general weather tools. More...

#include "../include/WxTool.h"

Static Public Member Functions
static int	setCloud (int num, CloudLayer lyrs[], CloudLayer &cld)
static float	getWmoVis (int vis)
static float	getWmoCldBase (int cb)
static int	getSAWeather (const char *wx, String &wx_str)
static int	getWeather (const char *wx, String &wx_str)
static int	getTextFromWeather (const char *wx, String &wx_str)
static const char *	getWmoWeather (int wx)
static const char *	getWmoAutoWeather (int wx)
static int	getWmoFromWeather (const char *str)
static int	getWmoFromSAWeather (const char *str)
static int	getTextFromSAWeather (const char *str, String &out_str)
static int	getWmoCeilingToCode (float cb)
static float	decodeDir (const char *dir)
static const char *	getCloudStr (const char *str)

Detailed Description

This class includes some general weather tools.

Author

Dan Vietor

Member Function Documentation

decodeDir()

float WxTool::decodeDir ( const char *  dir )

static

Decodes a direction string into an integer wind direction.

Parameters

dir	Direction string

Returns

Integral wind direction

References WXP::Const::MISS.

Referenced by WXP::WatchFile::read().

getCloudStr()

const char * WxTool::getCloudStr ( const char *  str )

static

Output a descriptive string for cloud cover

Parameters

str	Input cloud code

Returns

Descriptive string

getSAWeather()

int WxTool::getSAWeather ( const char *  wx, String &  wx_str  )

static

Converts the METAR weather data to SA weather

Parameters

wx	Input METAR weather string

Return values

wx_str

Output SA weather text string

References WXP::String::append(), and WXP::String::copy().

Referenced by WXP::SfcDataTool::compute(), and getTextFromSAWeather().

getTextFromSAWeather()

int WxTool::getTextFromSAWeather ( const char *  str, String &  out_str  )

static

This function creates a textual string containing current weather information.

Parameters

str	Input weather string

Return values

out_str

Output descriptive text

References WXP::String::copy(), getSAWeather(), and getWmoWeather().

getTextFromWeather()

int WxTool::getTextFromWeather ( const char *  wx, String &  wx_str  )

static

Decodes the METAR weather data and outputs descriptive text

Parameters

wx	METAR weather data

Return values

wx_str

Output text

References WXP::String::append(), WXP::String::clear(), and WXP::String::length().

Referenced by WXP::SfcDataTool::compute(), WXP::SfcData::print(), and WXP::SfcData::weatherText().

getWeather()

int WxTool::getWeather ( const char *  wx, String &  wx_str  )

static

Converts the SA weather data to METAR weather

Parameters

wx	Input SA weather string

Return values

wx_str

Output METAR weather text string

References WXP::String::copy().

Referenced by WXP::SfcDataTool::compute(), getWmoFromSAWeather(), getWmoFromWeather(), and WXP::SfcData::outString().

getWmoAutoWeather()

const char * WxTool::getWmoAutoWeather ( int  wx )

static

Decodes the synoptic current weather data for automated weather stationsa based on code table 4680.

Parameters

wx

Code

Returns

Text weather code

getWmoCeilingToCode()

int WxTool::getWmoCeilingToCode ( float  cb )

static

Converts ceiling into synoptic cloud base code

Parameters

cb	Cloud ceiling

Returns

Cloud base code

References WXP::Const::MISS.

Referenced by WXP::SfcDataTool::compute().

getWmoCldBase()

float WxTool::getWmoCldBase ( int  cb )

static

Decodes the synoptic cloud base information and returns cloud base in feet.

Parameters

cb	Cloud base code

Returns

Cloud base in feet

References WXP::Const::MISS.

getWmoFromSAWeather()

int WxTool::getWmoFromSAWeather ( const char *  str )

static

This function converts the weather text to a numerical code based on the WMO code table 4677.

Parameters

str	Input weather string

Returns

WMO code

References getWeather(), and getWmoWeather().

getWmoFromWeather()

int WxTool::getWmoFromWeather ( const char *  str )

static

This function converts the weather text to a numerical code based on the WMO code table 4677.

Parameters

str	Input weather string

Returns

WMO code

References getWeather().

getWmoVis()

float WxTool::getWmoVis ( int  vis )

static

Decodes the synoptic visibility data from WMO code table and returns visibility in miles.

Parameters

vis	The integer visibility

Returns

The visibility in miles

References WXP::Const::MISS.

getWmoWeather()

const char * WxTool::getWmoWeather ( int  wx )

static

Decodes the synoptic weather data based on code table 4677

Parameters

wx

Code

Returns

Text code

Referenced by WXP::SfcDataTool::compute(), getTextFromSAWeather(), getWmoFromSAWeather(), WXP::SfcData::outString(), and WXP::SfcCdfFile::read().

setCloud()

int WxTool::setCloud ( int  num, CloudLayer  lyrs[], CloudLayer &  cld  )

static

Sets a overall cloud coverage and height parameter from multiple levels. Thin clouds are not included. The cloud height or ceiling is the level of the lowest broken or overcast level. If there are no broken or overcast levels, the lowest scattered level is used.

Parameters

num	Number of cloud levels
lyrs	An array of cloud layers

Return values

cld	A single representative cloud layer

References WXP::Const::MISS.

Referenced by WXP::SfcDataTool::compute(), and WXP::SfcData::outString().

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The documentation for this class was generated from the following files:

• WxTool.h
• WxTool.cc