/*============================================================================
*????Contains:
*????????S_solpos?????（computes?solar?position?and?intensity
*??????????????????????from?time?and?place）
*
*????????????INPUTS:?????（via?posdata?struct）?year?daynum?hour
*????????????????????????minute?second?latitude?longitude?timezone
*????????????????????????intervl
*????????????OPTIONAL:???（via?posdata?struct）?month?day?press?temp?tilt
*????????????????????????aspect?function
*????????????OUTPUTS:????EVERY?variable?in?the?struct?posdata
*????????????????????????????（defined?in?solpos.h）
*
*???????????????????????NOTE:?Certain?conditions?exist?during?which?some?of
*???????????????????????the?output?variables?are?undefined?or?cannot?be
*???????????????????????calculated.??In?these?cases?the?variables?are
*???????????????????????returned?with?flag?values?indicating?such.??In?other
*???????????????????????cases?the?variables?may?return?a?realistic?though
*???????????????????????invalid?value.?These?variables?and?the?flag?values
*???????????????????????or?invalid?conditions?are?listed?below:
*
*???????????????????????amass?????-1.0?at?zenetr?angles?greater?than?93.0
*?????????????????????????????????degrees
*???????????????????????ampress???-1.0?at?zenetr?angles?greater?than?93.0
*?????????????????????????????????degrees
*???????????????????????azim??????invalid?at?zenetr?angle?0.0?or?latitude
*?????????????????????????????????+/-90.0?or?at?night
*???????????????????????elevetr???limited?to?-9?degrees?at?night
*???????????????????????etr???????0.0?at?night
*???????????????????????etrn??????0.0?at?night
*???????????????????????etrtilt???0.0?when?cosinc?is?less?than?0
*???????????????????????prime?????invalid?at?zenetr?angles?greater?than?93.0
*?????????????????????????????????degrees
*???????????????????????sretr?????+/-?2999.0?during?periods?of?24?hour?sunup?or
*?????????????????????????????????sundown
*???????????????????????ssetr?????+/-?2999.0?during?periods?of?24?hour?sunup?or
*?????????????????????????????????sundown
*???????????????????????ssha??????invalid?at?the?North?and?South?Poles
*???????????????????????unprime???invalid?at?zenetr?angles?greater?than?93.0
*?????????????????????????????????degrees
*???????????????????????zenetr????limited?to?99.0?degrees?at?night
*
*????????S_init???????（optional?initialization?for?all?input?parameters?in
*??????????????????????the?posdata?struct）
*???????????INPUTS:?????struct?posdata*
*???????????OUTPUTS:????struct?posdata*
*
*?????????????????????（Note:?initializes?the?required?S_solpos?INPUTS?above
*??????????????????????to?out-of-bounds?conditions?forcing?the?user?to
*??????????????????????supply?the?parameters;?initializes?the?OPTIONAL
*??????????????????????S_solpos?inputs?above?to?nominal?values.）
*
*???????S_decode??????（optional?utility?for?decoding?the?S_solpos?return?code）
*???????????INPUTS:?????long?integer?S_solpos?return?value?struct?posdata*
*???????????OUTPUTS:????text?to?s

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????37888??2008-12-30?03:14??cdrom.content.doc
?????目錄???????????0??2009-02-16?10:31??data\
?????目錄???????????0??2009-02-16?10:31??data\ch1\
?????目錄???????????0??2009-02-16?10:31??data\ch1\solar.irradiance\
?????文件??????924273??2003-08-18?09:59??data\ch1\solar.irradiance\cebchkur.dat
?????文件?????1111061??2003-08-18?09:59??data\ch1\solar.irradiance\chkur.dat
?????文件?????1049103??2003-08-18?09:59??data\ch1\solar.irradiance\newkur.dat
?????文件??????926493??2003-08-18?09:59??data\ch1\solar.irradiance\thkur.dat
?????目錄???????????0??2009-02-16?10:31??data\ch1\spectral.function\
?????目錄???????????0??2009-02-16?10:31??data\ch1\spectral.function\ali\
?????目錄???????????0??2009-02-16?10:31??data\ch1\spectral.function\ali\ali\
?????文件?????????408??2003-08-18?09:59??data\ch1\spectral.function\ali\ch1
?????文件????????1020??2003-08-18?09:59??data\ch1\spectral.function\ali\ch2
?????文件????????1200??2003-08-18?09:59??data\ch1\spectral.function\ali\ch3
?????文件????????1007??2003-08-18?09:59??data\ch1\spectral.function\ali\ch4
?????文件?????????611??2003-08-18?09:59??data\ch1\spectral.function\ali\ch5
?????文件?????????780??2003-08-18?09:59??data\ch1\spectral.function\ali\ch6
?????文件????????1733??2003-08-18?09:59??data\ch1\spectral.function\ali\ch7
?????文件????????3316??2003-08-18?09:59??data\ch1\spectral.function\ali\ch8
?????文件????????4827??2003-08-18?09:59??data\ch1\spectral.function\ali\ch9
?????文件????????3874??2003-08-18?10:24??data\ch1\spectral.function\ali\WS_FTP.LOG
?????目錄???????????0??2009-02-16?10:31??data\ch1\spectral.function\aster.swir\
?????文件???????21641??2003-08-18?10:00??data\ch1\spectral.function\ASTER.tir.txt
?????文件????????4503??2003-08-18?10:00??data\ch1\spectral.function\ASTER.vnir.txt
?????目錄???????????0??2009-02-16?10:31??data\ch1\spectral.function\avhrr\
?????目錄???????????0??2009-02-16?10:31??data\ch1\spectral.function\avhrr\noaa16\
?????文件????????1851??2003-08-18?09:59??data\ch1\spectral.function\avhrr\noaa16\Channel_1.txt
?????文件????????1085??2003-08-18?09:59??data\ch1\spectral.function\avhrr\noaa16\Channel_2.txt
?????文件????????3182??2003-08-18?09:59??data\ch1\spectral.function\avhrr\noaa16\Channel_3a.txt
?????文件????????2690??2003-08-18?09:59??data\ch1\spectral.function\avhrr\noaa16\Channel_3b.txt
?????文件????????2481??2003-08-18?09:59??data\ch1\spectral.function\avhrr\noaa16\Channel_4.txt
............此處省略386個文件信息