index_var

index_var() integer function index_var ( type(vol7d_var), dimension(:), intent(in) vect, type(vol7d_var), intent(in) search, logical, dimension(:), intent(in), optional mask, logical, intent(in), optional back, integer, intent(in), optional cache ) Cerca l'indice del primo o ultimo elemento di vect uguale a search. Definizione alla linea 1062 del file vol7d_var_class.F90. ! Copyright (C) 2010 ARPA-SIM <urpsim@smr.arpa.emr.it> ! authors: ! Davide Cesari <dcesari@arpa.emr.it> ! Paolo Patruno <ppatruno@arpa.emr.it> ! This program is free software; you can redistribute it and/or ! modify it under the terms of the GNU General Public License as ! published by the Free Software Foundation; either version 2 of ! the License, or (at your option) any later version. ! This program is distributed in the hope that it will be useful, ! but WITHOUT ANY WARRANTY; without even the implied warranty of ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! GNU General Public License for more details. ! You should have received a copy of the GNU General Public License ! along with this program. If not, see <http://www.gnu.org/licenses/>. #include "config.h" !> Classe per la gestione delle variabili osservate da stazioni meteo e affini. !! Questo modulo definisce una classe per rappresentare variabili meteorologiche !! osservate, o attributi, aventi diversi tipi numerici o carattere. !! \ingroup vol7d MODULE vol7d_var_class USE kinds USE missing_values USE file_utilities IMPLICIT NONE !> Definisce una variabile meteorologica osservata o un suo attributo. !! I membri \a r, \a d, \a i, \a b, \a c servono, internamente a vol7d, !! per associare le variabili agli attributi, e indicano !! a quale variabile, nel descrittore delle variabili, coincide !! la variabile corrente nel descrittore delle "variabili aventi attributo". !! I membri di \a vol7d_var sono pubblici e quindi liberamente !! accessibili e scrivibili, ma è comunque consigliato assegnarli tramite !! il costruttore ::init. TYPE vol7d_var CHARACTER(len=10) :: btable=cmiss !< codice della variabile secondo la tabella B del WMO. CHARACTER(len=65) :: description=cmiss !< descrizione testuale della variabile (opzionale) CHARACTER(len=24) :: unit=cmiss !< descrizione testuale dell'unità di misura (opzionale) INTEGER :: scalefactor=imiss !< numero di decimali nella rappresentazione intera o character (opzionale) INTEGER :: r=imiss !< indice della variabile nel volume degli attributi reali INTEGER :: d=imiss !< indice della variabile nel volume degli attributi double precision INTEGER :: i=imiss !< indice della variabile nel volume degli attributi integer INTEGER :: b=imiss !< indice della variabile nel volume degli attributi byte INTEGER :: c=imiss !< indice della variabile nel volume degli attributi character INTEGER :: gribhint(4)=imiss !< hint for conversion from/to grib when btable is not found INTEGER :: feat_ind=imiss !< cached index to corresponding entry in feature table END TYPE vol7d_var !> Valore mancante per vol7d_var. TYPE(vol7d_var),PARAMETER :: vol7d_var_miss= & vol7d_var(cmiss,cmiss,cmiss,imiss,imiss,imiss,imiss,imiss,imiss, & (/imiss,imiss,imiss,imiss/)) !> Costruttore per la classe vol7d_var. !! Deve essere richiamato !! per tutti gli oggetti di questo tipo definiti in un programma. INTERFACE init MODULE PROCEDURE vol7d_var_init END INTERFACE !> Distruttore per la classe vol7d_var. !! Distrugge l'oggetto in maniera pulita, assegnandogli un valore mancante. INTERFACE delete MODULE PROCEDURE vol7d_var_delete END INTERFACE !> Operatore logico di uguaglianza tra oggetti della classe vol7d_var. !! Funziona anche per !! confronti di tipo array-array (qualsiasi n. di dimensioni) e di tipo !! scalare-vettore(1-d) (ma non vettore(1-d)-scalare o tra array con più !! di 1 dimensione e scalari). INTERFACE OPERATOR (==) MODULE PROCEDURE vol7d_var_eq END INTERFACE !> Operatore logico di disuguaglianza tra oggetti della classe vol7d_var. !! Funziona anche per !! confronti di tipo array-array (qualsiasi n. di dimensioni) e di tipo !! scalare-vettore(1-d) (ma non vettore(1-d)-scalare o tra array con più !! di 1 dimensione e scalari). INTERFACE OPERATOR (/=) MODULE PROCEDURE vol7d_var_ne, vol7d_var_nesv END INTERFACE !> to be documented INTERFACE c_e MODULE PROCEDURE vol7d_var_c_e END INTERFACE #define VOL7D_POLY_TYPE TYPE(vol7d_var) #define VOL7D_POLY_TYPES _var #include "array_utilities_pre.F90" !> \brief display on the screen a brief content of object INTERFACE display MODULE PROCEDURE display_var, display_var_vect END INTERFACE TYPE vol7d_var_features TYPE(vol7d_var) :: var !< the variable (only btable is relevant) REAL :: posdef !< if not missing, minimum physically reasonable value for the variable INTEGER :: vartype !< type of variable, one of the var_* constants END TYPE vol7d_var_features TYPE(vol7d_var_features),ALLOCATABLE :: var_features(:) ! constants for vol7d_vartype INTEGER,PARAMETER :: var_ord=0 !< unclassified variable (vol7d_vartype function) INTEGER,PARAMETER :: var_dir360=1 !< direction in degrees (vol7d_vartype function) INTEGER,PARAMETER :: var_press=2 !< pressure in Pa (vol7d_vartype function) INTEGER,PARAMETER :: var_ucomp=3 !< u component of a vector field (vol7d_vartype function) INTEGER,PARAMETER :: var_vcomp=4 !< v component of a vector field (vol7d_vartype function) INTEGER,PARAMETER :: var_wcomp=5 !< w component of a vector field (vol7d_vartype function) PRIVATE vol7d_var_features_init CONTAINS !> Inizializza un oggetto \a vol7d_var con i parametri opzionali forniti. !! Se non viene passato nessun parametro opzionale l'oggetto è !! inizializzato a valore mancante. !! I membri \a r, \a d, \a i, \a b, \a c non possono essere assegnati !! tramite costruttore, ma solo direttamente. elemental SUBROUTINE vol7d_var_init(this, btable, description, unit, scalefactor) TYPE(vol7d_var),INTENT(INOUT) :: this !< oggetto da inizializzare CHARACTER(len=*),INTENT(in),OPTIONAL :: btable !< codice della variabile CHARACTER(len=*),INTENT(in),OPTIONAL :: description !< descrizione della variabile CHARACTER(len=*),INTENT(in),OPTIONAL :: unit !< unità di misura INTEGER,INTENT(in),OPTIONAL :: scalefactor !< decimali nella rappresentazione intera e character IF (PRESENT(btable)) THEN this%btable = btable ELSE this%btable = cmiss this%description = cmiss this%unit = cmiss this%scalefactor = imiss RETURN ENDIF IF (PRESENT(description)) THEN this%description = description ELSE this%description = cmiss ENDIF IF (PRESENT(unit)) THEN this%unit = unit ELSE this%unit = cmiss ENDIF if (present(scalefactor)) then this%scalefactor = scalefactor else this%scalefactor = imiss endif this%r = -1 this%d = -1 this%i = -1 this%b = -1 this%c = -1 END SUBROUTINE vol7d_var_init ELEMENTAL FUNCTION vol7d_var_new(btable, description, unit, scalefactor) RESULT(this) CHARACTER(len=*),INTENT(in),OPTIONAL :: btable !< codice della variabile CHARACTER(len=*),INTENT(in),OPTIONAL :: description !< descrizione della variabile CHARACTER(len=*),INTENT(in),OPTIONAL :: unit !< unità di misura INTEGER,INTENT(in),OPTIONAL :: scalefactor !< decimali nella rappresentazione intera e character TYPE(vol7d_var) :: this CALL init(this, btable, description, unit, scalefactor) END FUNCTION vol7d_var_new !> Distrugge l'oggetto in maniera pulita, assegnandogli un valore mancante. elemental SUBROUTINE vol7d_var_delete(this) TYPE(vol7d_var),INTENT(INOUT) :: this !< oggetto da distruggre this%btable = cmiss this%description = cmiss this%unit = cmiss this%scalefactor = imiss END SUBROUTINE vol7d_var_delete ELEMENTAL FUNCTION vol7d_var_eq(this, that) RESULT(res) TYPE(vol7d_var),INTENT(IN) :: this, that LOGICAL :: res res = this%btable == that%btable END FUNCTION vol7d_var_eq ELEMENTAL FUNCTION vol7d_var_ne(this, that) RESULT(res) TYPE(vol7d_var),INTENT(IN) :: this, that LOGICAL :: res res = .NOT.(this == that) END FUNCTION vol7d_var_ne FUNCTION vol7d_var_nesv(this, that) RESULT(res) TYPE(vol7d_var),INTENT(IN) :: this, that(:) LOGICAL :: res(SIZE(that)) INTEGER :: i DO i = 1, SIZE(that) res(i) = .NOT.(this == that(i)) ENDDO END FUNCTION vol7d_var_nesv !> \brief display on the screen a brief content of vol7d_var object subroutine display_var(this) TYPE(vol7d_var),INTENT(in) :: this !< vol7d_var object to display print*,"VOL7DVAR: ",this%btable,trim(this%description)," : ",this%unit,& " scale factor",this%scalefactor end subroutine display_var !> \brief display on the screen a brief content of vector of vol7d_var object subroutine display_var_vect(this) TYPE(vol7d_var),INTENT(in) :: this(:) !< vol7d_var vector object to display integer :: i do i=1,size(this) call display_var(this(i)) end do end subroutine display_var_vect FUNCTION vol7d_var_c_e(this) RESULT(c_e) TYPE(vol7d_var),INTENT(IN) :: this LOGICAL :: c_e c_e = this /= vol7d_var_miss END FUNCTION vol7d_var_c_e SUBROUTINE vol7d_var_features_set(this) TYPE(vol7d_var),INTENT(inout) :: this INTEGER :: i CALL vol7d_var_features_init() IF (ALLOCATED(var_features)) THEN DO i = 1, SIZE(var_features) IF (this == var_features(i)%var) THEN this%feat_ind = i EXIT ENDIF ENDDO ENDIF END SUBROUTINE vol7d_var_features_set !> Initialise the global table of variable features. !! This subroutine reads the table of variable features from an !! external file and stores it in a global array. It has to be called !! once at the beginning of the program. At the moment it gives access !! to the information about type of variable and positive !! definitness. The table is based on the unique bufr-like variable !! table. The table is contained in the csv file `vargrib.csv`. !! It is not harmful to call this subroutine multiple times. SUBROUTINE vol7d_var_features_init() INTEGER :: un, i, n TYPE(csv_record) :: csv CHARACTER(len=1024) :: line IF (ALLOCATED(var_features)) RETURN un = open_package_file('varbufr.csv', filetype_data) n=0 DO WHILE(.true.) READ(un,*,END=100) n = n + 1 ENDDO 100 CONTINUE rewind(un) ALLOCATE(var_features(n)) DO i = 1, n READ(un,'(A)',END=200)line CALL init(csv, line) CALL csv_record_getfield(csv, var_features(i)%var%btable) CALL csv_record_getfield(csv) CALL csv_record_getfield(csv) CALL csv_record_getfield(csv, var_features(i)%posdef) CALL csv_record_getfield(csv, var_features(i)%vartype) CALL delete(csv) ENDDO 200 CONTINUE CLOSE(un) END SUBROUTINE vol7d_var_features_init !> Deallocate the global table of variable features. !! This subroutine deallocates the table of variable features !! allocated in the `vol7d_var_features_init` subroutine. SUBROUTINE vol7d_var_features_delete() IF (ALLOCATED(var_features)) DEALLOCATE(var_features) END SUBROUTINE vol7d_var_features_delete !> Return the physical type of the variable. !! Returns a rough classification of the variable depending on the !! physical parameter it represents. The result is one of the !! constants vartype_* defined in the module. To be extended. !! In order for this to work, the subroutine \a !! vol7d_var_features_set has to be preliminary called. ELEMENTAL FUNCTION vol7d_var_features_vartype(this) RESULT(vartype) TYPE(vol7d_var),INTENT(in) :: this !< vol7d_var object to be tested INTEGER :: vartype IF (c_e(this%feat_ind)) THEN vartype = var_features(this%feat_ind)%vartype ELSE vartype = imiss ENDIF END FUNCTION vol7d_var_features_vartype !> Apply a positive definite flag to a variable. !! This subroutine resets the value of a variable depending on its !! positive definite flag defined in the associated \a c_func object. !! The \a c_func object can be obtained for example by the \a convert !! (interfaced to vargrib2varbufr_convert) function. The value is !! reset to the maximum between the value itself and and 0 (or the !! value set in \a c_func%posdef. These values are set from the !! varbufr.csv file. !! In order for this to work, the subroutine \a !! vol7d_var_features_set has to be preliminary called. ELEMENTAL SUBROUTINE vol7d_var_features_posdef_apply(this, val) TYPE(vol7d_var),INTENT(in) :: this !< vol7d_var object to be reset REAL,INTENT(inout) :: val !< value to be reset, it is reset in place IF (c_e(this%feat_ind)) THEN IF (c_e(var_features(this%feat_ind)%posdef)) THEN IF (c_e(val)) THEN val = max(var_features(this%feat_ind)%posdef, val) ENDIF ENDIF ENDIF END SUBROUTINE vol7d_var_features_posdef_apply !> Return the physical type of the variable. !! Returns a rough classification of the variable depending on the !! physical parameter it represents. The result is one of the !! constants vartype_* defined in the module. To be extended. ELEMENTAL FUNCTION vol7d_vartype(this) RESULT(vartype) TYPE(vol7d_var),INTENT(in) :: this !< vol7d_var object to be tested INTEGER :: vartype vartype = var_ord SELECT CASE(this%btable) CASE('B01012', 'B11001', 'B11043', 'B22001') ! direction, degree true vartype = var_dir360 CASE('B07004', 'B10004', 'B10051', 'B10060') ! pressure, Pa vartype = var_press CASE('B11003', 'B11200') ! u-component vartype = var_ucomp CASE('B11004', 'B11201') ! v-component vartype = var_vcomp CASE('B11005', 'B11006') ! w-component vartype = var_wcomp END SELECT END FUNCTION vol7d_vartype #include "array_utilities_inc.F90" END MODULE vol7d_var_class