| 1 | subroutine coordtrafo |
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| 2 | |
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| 3 | !********************************************************************** |
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| 4 | ! * |
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| 5 | ! FLEXPART MODEL SUBROUTINE COORDTRAFO * |
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| 6 | ! * |
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| 7 | !********************************************************************** |
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| 8 | ! * |
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| 9 | ! AUTHOR: G. WOTAWA * |
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| 10 | ! DATE: 1994-02-07 * |
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| 11 | ! LAST UPDATE: 1996-05-18 A. STOHL * |
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| 12 | ! * |
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| 13 | !********************************************************************** |
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| 14 | ! * |
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| 15 | ! DESCRIPTION: This subroutine transforms x and y coordinates of * |
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| 16 | ! particle release points to grid coordinates. * |
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| 17 | ! * |
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| 18 | !********************************************************************** |
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| 19 | |
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| 20 | use point_mod |
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| 21 | use par_mod |
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| 22 | use com_mod |
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| 23 | |
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| 24 | implicit none |
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| 25 | |
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| 26 | integer :: i,j,k |
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| 27 | real :: yrspc ! small real number relative to x |
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| 28 | |
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| 29 | if (numpoint.eq.0) goto 30 |
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| 30 | |
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| 31 | ! TRANSFORM X- AND Y- COORDINATES OF STARTING POINTS TO GRID COORDINATES |
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| 32 | !*********************************************************************** |
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| 33 | |
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| 34 | do i=1,numpoint |
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| 35 | xpoint1(i)=(xpoint1(i)-xlon0)/dx |
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| 36 | xpoint2(i)=(xpoint2(i)-xlon0)/dx |
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| 37 | ypoint1(i)=(ypoint1(i)-ylat0)/dy |
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| 38 | ypoint2(i)=(ypoint2(i)-ylat0)/dy |
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| 39 | end do |
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| 40 | |
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| 41 | 15 continue |
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| 42 | |
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| 43 | |
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| 44 | ! CHECK IF RELEASE POINTS ARE WITHIN DOMAIN |
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| 45 | !****************************************** |
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| 46 | |
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| 47 | yrspc = spacing(real(nymin1,kind=sp)) |
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| 48 | |
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| 49 | do i=1,numpoint |
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| 50 | if (sglobal.and.(ypoint1(i).lt.1.e-6)) ypoint1(i)=1.e-6 |
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| 51 | if (nglobal.and.(ypoint2(i).gt.real(nymin1,kind=dp)-1.e-5)) & |
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| 52 | ypoint2(i)=real(nymin1,kind=dp)-10*yrspc |
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| 53 | if ((ypoint1(i).lt.1.e-6).or.(ypoint1(i).ge.real(nymin1,kind=dp)-1.e-6) & |
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| 54 | .or.(ypoint2(i).lt.1.e-6).or.(ypoint2(i).ge.real(nymin1,kind=dp)-yrspc) & |
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| 55 | .or.((.not.xglobal).and.((xpoint1(i).lt.1.e-6).or. & |
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| 56 | (xpoint1(i).ge.real(nxmin1,kind=dp)-1.e-6).or.(xpoint2(i).lt.1.e-6).or. & |
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| 57 | (xpoint2(i).ge.real(nxmin1,kind=dp)-1.e-6)))) then |
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| 58 | write(*,*) ' NOTICE: RELEASE POINT OUT OF DOMAIN DETECTED.' |
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| 59 | write(*,*) ' IT IS REMOVED NOW ... ' |
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| 60 | if (i.le.1000) then |
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| 61 | write(*,*) ' COMMENT: ',compoint(i) |
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| 62 | else |
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| 63 | write(*,*) ' COMMENT: ',compoint(1001) |
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| 64 | endif |
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| 65 | if (i.lt.numpoint) then |
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| 66 | do j=i+1,numpoint |
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| 67 | xpoint1(j-1)=xpoint1(j) |
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| 68 | ypoint1(j-1)=ypoint1(j) |
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| 69 | xpoint2(j-1)=xpoint2(j) |
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| 70 | ypoint2(j-1)=ypoint2(j) |
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| 71 | zpoint1(j-1)=zpoint1(j) |
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| 72 | zpoint2(j-1)=zpoint2(j) |
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| 73 | npart(j-1)=npart(j) |
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| 74 | kindz(j-1)=kindz(j) |
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| 75 | ireleasestart(j-1)=ireleasestart(j) |
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| 76 | ireleaseend(j-1)=ireleaseend(j) |
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| 77 | if (j.le.1000) compoint(j-1)=compoint(j) |
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| 78 | do k=1,nspec |
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| 79 | xmass(j-1,k)=xmass(j,k) |
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| 80 | end do |
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| 81 | end do |
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| 82 | endif |
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| 83 | |
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| 84 | numpoint=numpoint-1 |
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| 85 | if (numpoint.gt.0) goto 15 |
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| 86 | endif |
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| 87 | end do |
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| 88 | |
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| 89 | 30 if(numpoint.eq.0) then |
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| 90 | write(*,*) ' FLEXPART MODEL SUBROUTINE COORDTRAFO: ERROR ! ' |
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| 91 | write(*,*) ' NO PARTICLE RELEASES ARE DEFINED!' |
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| 92 | write(*,*) ' CHECK FILE RELEASES...' |
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| 93 | stop |
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| 94 | endif |
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| 95 | |
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| 96 | end subroutine coordtrafo |
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