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vtkxmlmod.f90
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MODULE vtkxmlmod
!! Lothar Birk, 100211
!! A module with procedures to write VTK XML datafiles
!! This is not a general module. The subroutines are narrowly defined
!! for the context of a panel method (BEM potential flow)
!! Needs much more documentation
USE precise, ONLY: DEFAULTP
IMPLICIT NONE
INTEGER, PARAMETER, PRIVATE :: WP=DEFAULTP
INTERFACE vtkxmlDataArray
MODULE PROCEDURE vtkxmlDataArrayI, vtkxmlDataArrayR
END INTERFACE
CONTAINS
SUBROUTINE VtkXmlPolyDataCellScalar(io, file, &
& npoints, nverts, nlines, nstrips, npolys, &
& points, polys, &
& scalar1, scalar2, scalar3, &
& namescalar1, namescalar2, namescalar3 )
!!
!! Subroutine stores up to three scalar data values per cell.
!! Cells are all quadrilaterals.
!!
!! Length of scalar? is equal to number of polygons (cells)!
!!
CHARACTER(len=*) :: file
INTEGER :: io, npoints, nverts, nlines, nstrips, npolys
REAL(wp), DIMENSION(:) :: points
REAL(wp), DIMENSION(:), OPTIONAL :: scalar1, scalar2, scalar3
CHARACTER(len=*), OPTIONAL :: namescalar1, namescalar2, namescalar3
INTEGER, DIMENSION(:) :: polys
INTEGER, DIMENSION(:), ALLOCATABLE :: iarray
INTEGER :: i
CHARACTER(Len=255) :: tag
! open VTK XML file
CALL vtkxmlopen(io, file, 'PolyData')
! Store panels as polygons (all quadrilaterals)
CALL vtkxmlwritetag(io,'<PolyData>')
WRITE(tag,'(''<Piece NumberOfPoints="'',I5, &
& ''" NumberOfVerts="'',I5, &
& ''" NumberOfLines="'',I5, &
& ''" NumberOfStrips="'',I5, &
& ''" NumberOfPolys="'',I5,''">'')') &
& npoints, nverts, nlines, nstrips, npolys
CALL vtkxmlwritetag(io, TRIM(tag))
CALL vtkxmlwritetag(io,'<Points>')
CALL vtkxmldataarray(io, points, &
'type="Float32"', &
'NumberOfComponents="3"'&
)
CALL vtkxmlwritetag(io, '</Points>')
CALL vtkxmlwritetag(io, '<Polys>')
CALL vtkxmldataarray(io, polys, &
'type="Int32"', &
'Name="connectivity"'&
)
! This assumes all polygons are quadrilaterals!
ALLOCATE(iarray(npolys))
DO i = 1, npolys
iarray(i) = 4*i
END DO
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="offsets"'&
)
CALL vtkxmlwritetag(io, '</Polys>')
CALL vtkxmlwritetag(io, '<CellData>')
IF (PRESENT(scalar1)) THEN
IF (PRESENT(namescalar1)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''"'')') TRIM(namescalar1)
ELSE
tag = 'Name="scalar1"'
ENDIF
CALL vtkxmldataarray(io, scalar1, &
'type="Float32"', &
tag)
END IF
IF (PRESENT(scalar2)) THEN
IF (PRESENT(namescalar2)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''"'')') TRIM(namescalar2)
ELSE
tag = 'Name="scalar2"'
ENDIF
CALL vtkxmldataarray(io, scalar2, &
'type="Float32"', &
tag)
END IF
IF (PRESENT(scalar3)) THEN
IF (PRESENT(namescalar3)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''"'')') TRIM(namescalar3)
ELSE
tag = 'Name="scalar3"'
ENDIF
CALL vtkxmldataarray(io, scalar3, &
'type="Float32"', &
tag)
END IF
CALL vtkxmlwritetag(io, '</CellData>')
CALL vtkxmlwritetag(io, '</Piece>')
CALL vtkxmlwritetag(io, '</PolyData>')
CALL vtkxmlclose(io)
DEALLOCATE(iarray)
END SUBROUTINE VtkXmlPolyDataCellScalar
SUBROUTINE VtkXmlPolyDataCellVector(io, file, &
& npoints, nverts, nlines, nstrips, npolys, &
& points, polys, &
& vector1, vector2, vector3, &
& namevector1, namevector2, namevector3 )
!!
!! Subroutine stores up to three vectors per cell.
!! Cells are all quadrilaterals.
!!
CHARACTER(len=*) :: file
INTEGER :: io, npoints, nverts, nlines, nstrips, npolys
REAL(wp), DIMENSION(:) :: points
REAL(wp), DIMENSION(:), OPTIONAL :: vector1, vector2, vector3
CHARACTER(len=*), OPTIONAL :: namevector1, namevector2, namevector3
INTEGER, DIMENSION(:) :: polys
INTEGER, DIMENSION(:), ALLOCATABLE :: iarray
INTEGER :: i
CHARACTER(Len=255) :: tag
! open VTK XML file
CALL vtkxmlopen(io, file, 'PolyData')
! Store panels as polygons (quadrilaterals)
CALL vtkxmlwritetag(io,'<PolyData>')
WRITE(tag,'(''<Piece NumberOfPoints="'',I5, &
& ''" NumberOfVerts="'',I5, &
& ''" NumberOfLines="'',I5, &
& ''" NumberOfStrips="'',I5, &
& ''" NumberOfPolys="'',I5,''">'')') &
& npoints, nverts, nlines, nstrips, npolys
CALL vtkxmlwritetag(io, TRIM(tag))
CALL vtkxmlwritetag(io,'<Points>')
CALL vtkxmldataarray(io, points, &
'type="Float32"', &
'NumberOfComponents="3"'&
)
CALL vtkxmlwritetag(io, '</Points>')
CALL vtkxmlwritetag(io, '<Polys>')
CALL vtkxmldataarray(io, polys, &
'type="Int32"', &
'Name="connectivity"'&
)
ALLOCATE(iarray(npolys))
DO i = 1, npolys
iarray(i) = 4*i
END DO
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="offsets"'&
)
CALL vtkxmlwritetag(io, '</Polys>')
CALL vtkxmlwritetag(io, '<CellData>')
IF (PRESENT(vector1)) THEN
IF (PRESENT(namevector1)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''" NumberOfComponents=3'')') &
& TRIM(namevector1)
ELSE
tag = 'Name="vector1"'
ENDIF
CALL vtkxmldataarray(io, vector1, &
'type="Float32"', &
tag)
END IF
IF (PRESENT(vector2)) THEN
IF (PRESENT(namevector2)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''" NumberOfComponents=3'')') &
& TRIM(namevector2)
ELSE
tag = 'Name="vector2"'
ENDIF
CALL vtkxmldataarray(io, vector2, &
'type="Float32"', &
tag)
END IF
IF (PRESENT(vector3)) THEN
IF (PRESENT(namevector3)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''" NumberOfComponents=3'')') &
& TRIM(namevector3)
ELSE
tag = 'Name="vector3"'
ENDIF
CALL vtkxmldataarray(io, vector3, &
'type="Float32"', &
tag)
END IF
CALL vtkxmlwritetag(io, '</CellData>')
CALL vtkxmlwritetag(io, '</Piece>')
CALL vtkxmlwritetag(io, '</PolyData>')
CALL vtkxmlclose(io)
DEALLOCATE(iarray)
END SUBROUTINE VtkXmlPolyDataCellVector
SUBROUTINE VtkXmlPolyDataPtScalar(io, file, &
& npoints, nverts, nlines, nstrips, npolys, &
& points, polys, &
& scalar1, scalar2, scalar3, &
& namescalar1, namescalar2, namescalar3 )
!!
!! Subroutine stores up to three scalar data values per vertex
!! of the cell.
!! Cells are all quadrilaterals.
!!
!! Length of scalar? is equal to number of points!
!!
CHARACTER(len=*) :: file
INTEGER :: io, npoints, nverts, nlines, nstrips, npolys
REAL(wp), DIMENSION(:) :: points
REAL(wp), DIMENSION(:), OPTIONAL :: scalar1, scalar2, scalar3
CHARACTER(len=*), OPTIONAL :: namescalar1, namescalar2, namescalar3
INTEGER, DIMENSION(:) :: polys
INTEGER, DIMENSION(:), ALLOCATABLE :: iarray
INTEGER :: i
CHARACTER(Len=255) :: tag
! open VTK XML file
CALL vtkxmlopen(io, file, 'PolyData')
! Store panels as polygons (all quadrilaterals)
CALL vtkxmlwritetag(io,'<PolyData>')
WRITE(tag,'(''<Piece NumberOfPoints="'',I5, &
& ''" NumberOfVerts="'',I5, &
& ''" NumberOfLines="'',I5, &
& ''" NumberOfStrips="'',I5, &
& ''" NumberOfPolys="'',I5,''">'')') &
& npoints, nverts, nlines, nstrips, npolys
CALL vtkxmlwritetag(io, TRIM(tag))
CALL vtkxmlwritetag(io,'<Points>')
CALL vtkxmldataarray(io, points, &
'type="Float32"', &
'NumberOfComponents="3"'&
)
CALL vtkxmlwritetag(io, '</Points>')
CALL vtkxmlwritetag(io, '<Polys>')
CALL vtkxmldataarray(io, polys, &
'type="Int32"', &
'Name="connectivity"'&
)
! Assumes all cells are quadrilaterals)
ALLOCATE(iarray(npolys))
DO i = 1, npolys
iarray(i) = 4*i
END DO
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="offsets"'&
)
CALL vtkxmlwritetag(io, '</Polys>')
CALL vtkxmlwritetag(io, '<PointData>')
IF (PRESENT(scalar1)) THEN
IF (PRESENT(namescalar1)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''"'')') TRIM(namescalar1)
ELSE
tag = 'Name="scalar1"'
ENDIF
CALL vtkxmldataarray(io, scalar1, &
'type="Float32"', &
tag)
END IF
IF (PRESENT(scalar2)) THEN
IF (PRESENT(namescalar2)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''"'')') TRIM(namescalar2)
ELSE
tag = 'Name="scalar2"'
ENDIF
CALL vtkxmldataarray(io, scalar2, &
'type="Float32"', &
tag)
END IF
IF (PRESENT(scalar3)) THEN
IF (PRESENT(namescalar3)) THEN
tag = ''
WRITE(tag, '(''Name="'',A,''"'')') TRIM(namescalar3)
ELSE
tag = 'Name="scalar3"'
ENDIF
CALL vtkxmldataarray(io, scalar3, &
'type="Float32"', &
tag)
END IF
CALL vtkxmlwritetag(io, '</PointData>')
CALL vtkxmlwritetag(io, '</Piece>')
CALL vtkxmlwritetag(io, '</PolyData>')
CALL vtkxmlclose(io)
DEALLOCATE(iarray)
END SUBROUTINE VtkXmlPolyDataPtScalar
!---------------------------------------------------------------------
!---------------------------------------------------------------------
SUBROUTINE VtkXmlSaveScalarFlowData(io, file, npanel, paneloffsets, &
sigma, cp, vnv, zeta)
CHARACTER(len=*) :: file
INTEGER :: io, npanel
REAL(wp), DIMENSION(:,:,:) :: paneloffsets
REAL(wp), DIMENSION(:) :: sigma, cp
REAL(wp), DIMENSION(:), OPTIONAL :: vnv, zeta
INTEGER, DIMENSION(:,:), ALLOCATABLE :: iele
INTEGER, DIMENSION(:), ALLOCATABLE :: iarray
INTEGER :: i
CHARACTER(Len=79) :: tag
! open VTK XML file
CALL vtkxmlopen(io, file, 'UnstructuredGrid')
! Store panels as Unstructured grid of quadrilaterals
CALL vtkxmlwritetag(io,'<UnstructuredGrid>')
WRITE(tag,'(''<Piece NumberOfPoints="'',I5,''" NumberOfCells="''&
&,I5,''">'')') 4*npanel, npanel
CALL vtkxmlwritetag(io, tag)
CALL vtkxmlwritetag(io,'<Points>')
CALL vtkxmldataarray(io, RESHAPE(paneloffsets, (/3*4*npanel/)), &
'type="Float32"', &
'NumberOfComponents="3"'&
)
CALL vtkxmlwritetag(io, '</Points>')
CALL vtkxmlwritetag(io, '<Cells>')
! create iele
ALLOCATE(iele(4,npanel))
DO i = 1, npanel
iele(1,i) = (i-1)*4
iele(2,i) = (i-1)*4 + 1
iele(3,i) = (i-1)*4 + 2
iele(4,i) = (i-1)*4 + 3
END DO
CALL vtkxmldataarray(io, RESHAPE(iele, (/4*npanel/)), &
'type="Int32"', &
'Name="connectivity"',&
'NumberOfComponents="1"'&
)
ALLOCATE(iarray(npanel))
DO i = 1, npanel
iarray(i) = 4*i
END DO
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="offsets"',&
'NumberOfComponents="1"'&
)
iarray = 9 ! all quadrilateral panels
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="types"',&
'NumberOfComponents="1"'&
)
CALL vtkxmlwritetag(io, '</Cells>')
WRITE(tag,'(''<CellData Scalars="Cp">'')')
CALL vtkxmlwritetag(io, tag)
CALL vtkxmldataarray(io, sigma, &
'type="Float32"', &
'Name="Sigma"')
CALL vtkxmldataarray(io, Cp, &
'type="Float32"', &
'Name="Cp"')
IF (PRESENT(vnv)) THEN
CALL vtkxmldataarray(io, vnv, &
'type="Float32"', &
'Name="Vnormal"')
END IF
IF (PRESENT(zeta)) THEN
CALL vtkxmldataarray(io, zeta, &
'type="Float32"', &
'Name="Zeta"')
END IF
CALL vtkxmlwritetag(io, '</CellData>')
CALL vtkxmlwritetag(io, '</Piece>')
CALL vtkxmlwritetag(io, '</UnstructuredGrid>')
CALL vtkxmlclose(io)
DEALLOCATE(iarray, iele)
END SUBROUTINE VtkXmlSaveScalarFlowData
SUBROUTINE VtkXmlSaveVectorFlowData(io, file, npanel, panelcenters, &
velocity, vt1, vt2)
CHARACTER(len=*) :: file
INTEGER :: io, npanel
REAL(wp), DIMENSION(:,:) :: panelcenters
REAL(wp), DIMENSION(:,:) :: velocity
REAL(wp), DIMENSION(:,:), OPTIONAL :: vt1, vt2
INTEGER, DIMENSION(:), ALLOCATABLE :: iele
INTEGER, DIMENSION(:), ALLOCATABLE :: iarray
INTEGER :: i, dim
CHARACTER(Len=79) :: tag
! open VTK XML file
dim = SIZE(panelcenters,1)
CALL vtkxmlopen(io, file, 'UnstructuredGrid')
! Store panels as Unstructured grid of quadrilaterals
CALL vtkxmlwritetag(io,'<UnstructuredGrid>')
WRITE(tag,'(''<Piece NumberOfPoints="'',I5,''" NumberOfCells="''&
&,I5,''">'')') npanel, npanel
CALL vtkxmlwritetag(io, tag)
CALL vtkxmlwritetag(io,'<Points>')
WRITE(tag,'(''NumberOfComponents="'',I1,''"'')') dim
CALL vtkxmldataarray(io, RESHAPE(panelcenters, (/dim*npanel/)), &
'type="Float32"', &
tag &
)
CALL vtkxmlwritetag(io, '</Points>')
CALL vtkxmlwritetag(io, '<Cells>')
! create iele
ALLOCATE(iele(npanel))
DO i = 1, npanel
iele(i) = (i-1)
END DO
CALL vtkxmldataarray(io, iele, &
'type="Int32"', &
'Name="connectivity"',&
'NumberOfComponents="1"'&
)
ALLOCATE(iarray(npanel))
DO i = 1, npanel
iarray(i) = i
END DO
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="offsets"',&
'NumberOfComponents="1"'&
)
iarray = 1 ! all panels are points
CALL vtkxmldataarray(io, iarray, &
'type="Int32"', &
'Name="types"',&
'NumberOfComponents="1"'&
)
CALL vtkxmlwritetag(io, '</Cells>')
WRITE(tag,'(''<PointData Vectors="Velocity">'')')
!!WRITE(tag,'(''<CellData Vectors="Velocity">'')') !does not plot correctly
CALL vtkxmlwritetag(io, tag)
dim = SIZE(velocity,1)
WRITE(tag,'(''NumberOfComponents="'',I1,''"'')') dim
CALL vtkxmldataarray(io, RESHAPE(velocity, (/dim*npanel/)), &
'type="Float32"', &
'Name="velocity"', &
tag)
! IF (PRESENT(vn)) THEN
! dim = SIZE(vn,1)
! WRITE(tag,'(''NumberOfComponents="'',I1,''"'')') dim
! CALL vtkxmldataarray(io, RESHAPE(vn, (/dim*npanel/)), &
! 'type="Float32"', &
! 'Name="normal_velocity"', &
! tag)
! ENDIF
IF (PRESENT(vt1)) THEN
dim = SIZE(vt1,1)
WRITE(tag,'(''NumberOfComponents="'',I1,''"'')') dim
CALL vtkxmldataarray(io, RESHAPE(vt1, (/dim*npanel/)), &
'type="Float32"', &
'Name="tangential_velocity_1"', &
tag)
ENDIF
IF (PRESENT(vt2)) THEN
dim = SIZE(vt2,1)
WRITE(tag,'(''NumberOfComponents="'',I1,''"'')') dim
CALL vtkxmldataarray(io, RESHAPE(vt2, (/dim*npanel/)), &
'type="Float32"', &
'Name="tangential_velocity_2"', &
tag)
ENDIF
CALL vtkxmlwritetag(io, '</PointData>')
!!!!CALL vtkxmlwritetag(io, '</CellData>')! Does not plot properly
CALL vtkxmlwritetag(io, '</Piece>')
CALL vtkxmlwritetag(io, '</UnstructuredGrid>')
CALL vtkxmlclose(io)
DEALLOCATE(iarray, iele)
END SUBROUTINE VtkXmlSaveVectorFlowData
SUBROUTINE vtkxmlwritetag(io, tag)
INTEGER :: io
CHARACTER(len=*) :: tag
WRITE(io,'(A)') tag
END SUBROUTINE vtkxmlwritetag
SUBROUTINE vtkxmlDataArrayI(io, dataarray, typestr, namestr, tag)
! only ASCII format for now
INTEGER :: io
CHARACTER(len=*) :: typestr, namestr
CHARACTER(len=*), OPTIONAL :: tag
INTEGER, DIMENSION(:) :: dataarray
INTEGER :: i,j,n
n = SIZE(dataarray)
IF (PRESENT(tag))THEN
WRITE(io,'(8A)') '<DataArray ',TRIM(typestr), ' ',TRIM(namestr),&
' ', TRIM(tag), ' ', &
' format="ascii">'
ELSE
WRITE(io,'(5A)') '<DataArray ',TRIM(typestr), ' ',TRIM(namestr), &
' format="ascii">'
ENDIF
DO i = 1,n
WRITE(io,'(I8,2X)', Advance='No') dataarray(i)
END DO
WRITE(io,*)
WRITE(io,'(A)') '</DataArray>'
END SUBROUTINE vtkxmlDataArrayI
SUBROUTINE vtkxmlDataArrayR(io, dataarray, typestr, namestr, tag)
! only ASCII format for now
INTEGER :: io
CHARACTER(len=*) :: typestr, namestr
CHARACTER(len=*), OPTIONAL :: tag
REAL(wp), DIMENSION(:) :: dataarray
INTEGER :: i,j,n
n = SIZE(dataarray)
IF (PRESENT(tag))THEN
WRITE(io,'(8A)') '<DataArray ',TRIM(typestr), ' ',TRIM(namestr),&
' ', TRIM(tag), ' ', &
' format="ascii">'
ELSE
WRITE(io,'(5A)') '<DataArray ',TRIM(typestr), ' ',TRIM(namestr), &
' format="ascii">'
ENDIF
DO i = 1,n
WRITE(io,'(G16.6,1X)', Advance='No') dataarray(i)
END DO
WRITE(io,*)
WRITE(io,'(A)') '</DataArray>'
END SUBROUTINE vtkxmlDataArrayR
SUBROUTINE vtkxmlopen(io, filename, TYPE)
INTEGER :: io
CHARACTER(len=*) :: filename
CHARACTER(len=*), OPTIONAL :: TYPE
CHARACTER(len=79) :: locdatatype
IF (.NOT.(PRESENT(TYPE))) THEN
PRINT*, "fifi"
locdatatype = "UnstructuredGrid"
ELSE
locdatatype = TRIM(TYPE)
ENDIF
!PRINT*, locdatatype
OPEN(io, file=filename)
WRITE(io,'(A,A,A)') '<VTKFile type="',TRIM(locdatatype),'">'
RETURN
END SUBROUTINE vtkxmlopen
SUBROUTINE vtkxmlclose(io)
INTEGER io
WRITE(io,'(A)') '</VTKFile>'
CLOSE(io)
RETURN
END SUBROUTINE vtkxmlclose
END MODULE vtkxmlmod