RFLU_PickRegionsCoord.F90

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! *********************************************************************
! * Rocstar Simulation Suite                                          *
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! ******************************************************************************
!
! Purpose: Pick regions by coordinate range.
!
! Description: Check whether a given region is inside a user-specified 
!   bounding box; if yes, flag region as active, otherwise as inactive.
!
! Input: 
!   pRegion             Pointer to region data
!
! Output: None.
!
! Notes: 
!   1. If a given region is not inside the bounding box, then postActiveFlag
!      is set to FALSE.
!
! ******************************************************************************
!
! $Id: RFLU_PickRegionsCoord.F90,v 1.5 2008/12/06 08:45:04 mtcampbe Exp $
!
! Copyright: (c) 2003-2004 by the University of Illinois
!
! ******************************************************************************

SUBROUTINE rflu_pickregionscoord(pRegion)

  USE moddatatypes
  USE modglobal, ONLY: t_global
  USE moddatastruct, ONLY: t_region
  USE modgrid, ONLY: t_grid
  USE moderror
  USE modmpi
  USE modparameters
  
  IMPLICIT NONE

! ******************************************************************************
! Declarations and definitions
! ******************************************************************************

! ==============================================================================
! Arguments
! ==============================================================================

  TYPE(t_region), POINTER :: pregion

! ==============================================================================
! Local variables
! ==============================================================================

  CHARACTER(CHRLEN) :: rcsidentstring
  REAL(RFREAL) :: xmax,xmin,ymax,ymin,zmax,zmin
  TYPE(t_global), POINTER :: global
  TYPE(t_grid), POINTER :: pgrid

! ******************************************************************************
! Start
! ******************************************************************************

  rcsidentstring = '$RCSfile: RFLU_PickRegionsCoord.F90,v $ $Revision: 1.5 $'

  global => pregion%global

  CALL registerfunction(global,'RFLU_PickRegionsCoord',&
  'RFLU_PickRegionsCoord.F90')

  IF ( global%myProcid == masterproc .AND. & 
       global%verbLevel > verbose_none ) THEN
    WRITE(stdout,'(A,1X,A)') solver_name,'Picking region by coordinates...'
  END IF ! global%verbLevel

! ******************************************************************************
! Pick by bounding box
! ******************************************************************************

  pgrid => pregion%grid

  xmin = minval(pgrid%xyz(xcoord,1:pgrid%nVertTot))
  xmax = maxval(pgrid%xyz(xcoord,1:pgrid%nVertTot))
  ymin = minval(pgrid%xyz(ycoord,1:pgrid%nVertTot))
  ymax = maxval(pgrid%xyz(ycoord,1:pgrid%nVertTot))
  zmin = minval(pgrid%xyz(zcoord,1:pgrid%nVertTot))
  zmax = maxval(pgrid%xyz(zcoord,1:pgrid%nVertTot))

  IF ( xmin > global%pickXCoordLow .AND. xmax < global%pickXCoordUpp .AND. & 
       ymin > global%pickYCoordLow .AND. ymax < global%pickYCoordUpp .AND. & 
       zmin > global%pickZCoordLow .AND. zmax < global%pickZCoordUpp ) THEN 
    pregion%postActiveFlag = .true.

    IF ( global%verbLevel > verbose_low ) THEN 
      WRITE(stdout,'(A,3X,A,1X,I6)') solver_name,'Picked region:', &
                                     pregion%iRegionGlobal
    END IF ! global%verbLevel
  ELSE 
    pregion%postActiveFlag = .false.  
    
    IF ( global%verbLevel > verbose_low ) THEN 
      WRITE(stdout,'(A,3X,A,1X,I6,1X,A)') solver_name,'Region:', &
                                          pregion%iRegionGlobal,'not picked.'
    END IF ! global%verbLevel    
  END IF ! xMin    
  
! ******************************************************************************
! End
! ******************************************************************************

  IF ( (global%myProcid == masterproc) .AND. & 
       (global%verbLevel > verbose_none) ) THEN 
    WRITE(stdout,'(A,1X,A)') solver_name,'Picking region by coordinates done.'
  END IF ! global%verbLevel

  CALL deregisterfunction(global)

END SUBROUTINE rflu_pickregionscoord

! ******************************************************************************
!
! RCS Revision history:
!
! $Log: RFLU_PickRegionsCoord.F90,v $
! Revision 1.5  2008/12/06 08:45:04  mtcampbe
! Updated license.
!
! Revision 1.4  2008/11/19 22:18:15  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.3  2005/12/10 23:29:34  haselbac
! Renamed geom post variables, cosmetics
!
! Revision 1.2  2004/10/19 19:30:08  haselbac
! Added output statement, cosmetics
!
! Revision 1.1  2003/08/07 15:14:40  haselbac
! Initial revision
!
! ******************************************************************************