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gnuplot.f90
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gnuplot.f90
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!
! Copyright (C) 2013-2014 Andrea Dal Corso
! This file is distributed under the terms of the
! GNU General Public License. See the file `License'
! in the root directory of the present distribution,
! or http://www.gnu.org/copyleft/gpl.txt .
!
MODULE gnuplot
!
USE kinds, ONLY : DP
USE io_global, ONLY : ionode
IMPLICIT NONE
PRIVATE
SAVE
INTEGER :: iun_gnuplot ! unit where this module writes
INTEGER :: contour_counter=0
INTEGER :: contour_max
INTEGER :: counterv=0
CHARACTER(LEN=20), ALLOCATABLE :: contour_color(:)
LOGICAL :: lbackspace=.TRUE.
PUBLIC iun_gnuplot, gnuplot_write_header, &
gnuplot_write_vertical_line, gnuplot_write_horizontal_line, &
gnuplot_write_label, gnuplot_write_file_data, gnuplot_start, &
gnuplot_set_eref, gnuplot_set_fact, gnuplot_set_gfact, &
gnuplot_xlabel, gnuplot_ylabel, gnuplot_write_label_yl, &
gnuplot_write_label_yl_bar, &
gnuplot_unset_xticks, gnuplot_unset_yticks, &
gnuplot_unset_border, gnuplot_write_horizontal_segment,&
gnuplot_set_xticks, gnuplot_set_yticks, &
gnuplot_write_file_mul_data_minus, &
gnuplot_write_file_mul_data_times, &
gnuplot_write_file_mul_data, gnuplot_write_file_mul_point, &
gnuplot_write_file_mul_line_point, &
gnuplot_write_file_mul_data_log10, &
gnuplot_write_file_mul_data_sum, &
gnuplot_write_file_mul_data_diff, &
gnuplot_write_file_mul_data_div, &
gnuplot_write_file_mul_data_linear, &
gnuplot_write_file_mul_point_sum, gnuplot_write_command, &
gnuplot_end, gnuplot_do_2dplot, gnuplot_start_2dplot, &
gnuplot_set_contour, gnuplot_rectangle, gnuplot_polygon, &
gnuplot_put_label, gnuplot_put_label_yl, gnuplot_circle, &
gnuplot_line_v, gnuplot_rectangle_yl,&
gnuplot_line, gnuplot_print_objects, gnuplot_close_2dplot_prep, &
determine_backspace
CONTAINS
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_header(filename, xmin, xmax, ymin, ymax, xscale, &
flext)
!--------------------------------------------------------------------------
!
! This routine sets the dimensions of the plot. It recives:
! filename : the name of the postscript file where the gnuplot script writes
! xmin, xmax : the minimum and maximum x values of the plot
! ymin, ymax : the minimum and maximum y values of the plot
! xscale : an optional multiplicative factor for all the x coordinate,
! to change the units.
!
IMPLICIT NONE
CHARACTER(LEN=*) :: filename
CHARACTER(LEN=*) :: flext
REAL(DP), INTENT(IN) :: xmin, xmax, ymin, ymax, xscale
IF (ionode) THEN
WRITE(iun_gnuplot,'("set encoding iso_8859_15")')
IF (flext=='.pdf') THEN
WRITE(iun_gnuplot,'("set terminal pdf enhanced solid &
&color font ""AvantGarde-Book"" fontscale 0.5")')
ELSE
WRITE(iun_gnuplot,'("set terminal postscript enhanced solid &
&color ""AvantGarde-Book"" 20")')
ENDIF
WRITE(iun_gnuplot,'("set output """, a, """")') TRIM(filename)
WRITE(iun_gnuplot,*)
WRITE(iun_gnuplot,'("unset arrow")')
WRITE(iun_gnuplot,'("unset obj")')
WRITE(iun_gnuplot,'("set key off")')
WRITE(iun_gnuplot,'("xscale=",f15.6)') xscale
WRITE(iun_gnuplot,'("xshift=0.0")')
IF (xmin /= xmax) THEN
WRITE(iun_gnuplot,'("xmin=",f15.6)') xmin
WRITE(iun_gnuplot,'("xmax=",f15.6)') xmax
WRITE(iun_gnuplot,'("set xrange [xmin*xscale-xshift:xmax*xscale-xshift]")')
ENDIF
IF (ymin /= ymax) THEN
WRITE(iun_gnuplot,'("ymin=",f15.6)') ymin
WRITE(iun_gnuplot,'("ymax=",f15.6)') ymax
WRITE(iun_gnuplot,'("set yrange [ymin:ymax]")')
END IF
WRITE(iun_gnuplot,'("set border lw 2")')
WRITE(iun_gnuplot,'("eref=0.0")')
WRITE(iun_gnuplot,'("fact=1.0")')
WRITE(iun_gnuplot,'("gfact=1.0")')
WRITE(iun_gnuplot,'("point_size=1.0")')
CALL gnuplot_write_command('color_red="red"',.FALSE.)
CALL gnuplot_write_command('color_green="green"',.FALSE.)
CALL gnuplot_write_command('color_blue="blue"',.FALSE.)
CALL gnuplot_write_command('color_cyan="cyan"',.FALSE.)
CALL gnuplot_write_command('color_magenta="magenta"',.FALSE.)
CALL gnuplot_write_command('color_gold="gold"',.FALSE.)
CALL gnuplot_write_command('color_pink="pink"',.FALSE.)
CALL gnuplot_write_command('color_black="black"',.FALSE.)
CALL gnuplot_write_command('color_olive="olive"',.FALSE.)
CALL gnuplot_write_command('color_brown="brown"',.FALSE.)
CALL gnuplot_write_command('color_gray="gray"',.FALSE.)
CALL gnuplot_write_command('color_light_blue="light-blue"',.FALSE.)
CALL gnuplot_write_command('color_orange="orange"',.FALSE.)
CALL gnuplot_write_command('color_yellow="yellow"',.FALSE.)
ENDIF
RETURN
END SUBROUTINE gnuplot_write_header
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_vertical_line(xcoord, linewidth, pos, color, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots a vertical line
!
IMPLICIT NONE
REAL(DP) :: xcoord, ycoord
INTEGER :: linewidth
CHARACTER(LEN=3) :: label
CHARACTER(LEN=*) :: color, pos
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt='set arrow from", f12.4, "*xscale-xshift,ymin to ", f12.4,&
& "*xscale-xshift,ymax nohead ",a," lw ",i3, " lc rgb ",a)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) &
WRITE( iun_gnuplot, frt ) xcoord, xcoord, TRIM(pos), linewidth, TRIM(color)
RETURN
END SUBROUTINE gnuplot_write_vertical_line
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_horizontal_line(ycoord, linewidth, pos, color, &
comment)
!--------------------------------------------------------------------------
!
! This subroutine plots a horizontal line
!
IMPLICIT NONE
REAL(DP) :: ycoord
INTEGER :: linewidth
CHARACTER(LEN=*) :: color, pos
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt='set arrow from xmin*xscale-xshift,", f12.4, " to xmax*xscale-xshift,", &
& f12.4," nohead ",a," lw ",i3," lc rgb ",a)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) &
WRITE(iun_gnuplot, frt) ycoord, ycoord, TRIM(pos), linewidth, TRIM(color)
RETURN
END SUBROUTINE gnuplot_write_horizontal_line
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_horizontal_segment(x, ycoord, linewidth, pos, &
color, comment)
!--------------------------------------------------------------------------
!
! This routine is like gnuplot_write_horizontal_line but writes the
! segment between x(1) and x(2)
!
IMPLICIT NONE
REAL(DP) :: x(2)
INTEGER :: linewidth
CHARACTER(LEN=*) :: ycoord, color, pos
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt='set arrow from ",f12.4,"*xscale-xshift, '//TRIM(ycoord)// &
' to ",f12.4,"*xscale-xshift,'//TRIM(ycoord) //' nohead ",a,&
&" lw ",i3," lc rgb ",a)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) &
WRITE(iun_gnuplot, frt) x(1), x(2), TRIM(pos), linewidth, TRIM(color)
RETURN
END SUBROUTINE gnuplot_write_horizontal_segment
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_label(xcoord, ycoord, label, comment)
!--------------------------------------------------------------------------
!
! This subroutine writes a label at the point (xcoord, ycoord)
!
IMPLICIT NONE
REAL(DP) :: xcoord, ycoord
CHARACTER(LEN=3) :: label
CHARACTER(LEN=20) :: ws
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
CALL set_ws_from_label(label, ws)
frt='set label """,a,""" at ", f12.4,"*xscale-xshift,",f12.4," center")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) TRIM(ws), xcoord, ycoord
RETURN
END SUBROUTINE gnuplot_write_label
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_put_label(xcoord, ycoord, tag, label, comment, where_lab)
!--------------------------------------------------------------------------
!
! this routine writes only the label, without any transformation
!
IMPLICIT NONE
REAL(DP) :: xcoord, ycoord
INTEGER, INTENT(IN) :: tag
CHARACTER(LEN=*), OPTIONAL :: where_lab
CHARACTER(LEN=*) :: label
CHARACTER(LEN=256) :: frt, whel
INTEGER :: lens
LOGICAL :: comment
lens=LEN_TRIM(label)
IF (PRESENT(where_lab)) THEN
whel=' '//TRIM(where_lab)
ELSE
whel=' center'
ENDIF
frt='set label ",i7," """,a,""" at ", f12.4,"*xscale-xshift,",f12.4,a)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) tag, TRIM(label), xcoord, ycoord, TRIM(whel)
RETURN
END SUBROUTINE gnuplot_put_label
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_put_label_yl(xcoord, wherey, tag, label, color, &
comment, where_lab)
!--------------------------------------------------------------------------
!
! this routine writes only the label, without any transformation.
! The y coordinate is calculated from the gnuplot script and here
! the command to calculate this coordinate must be provided
!
IMPLICIT NONE
REAL(DP) :: xcoord
INTEGER, INTENT(IN) :: tag
CHARACTER(LEN=*), OPTIONAL :: where_lab
CHARACTER(LEN=*) :: label, wherey, color
CHARACTER(LEN=256) :: frt, whel
INTEGER :: lens
LOGICAL :: comment
lens=LEN_TRIM(label)
IF (PRESENT(where_lab)) THEN
whel=' '//TRIM(where_lab)
ELSE
whel=' center'
ENDIF
frt='set label ",i7," """,a,""" at ", f12.4,"*xscale-xshift,",a,a,&
&" tc rgb ",a)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) tag, TRIM(label), xcoord, TRIM(wherey), &
TRIM(whel), TRIM(color)
RETURN
END SUBROUTINE gnuplot_put_label_yl
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_label_yl(xcoord, ylabel, label, comment)
!--------------------------------------------------------------------------
!
! This subroutine puts a label in a y position calculated by the
! gnuplot script
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: xcoord
CHARACTER(LEN=*), INTENT(IN) :: ylabel
CHARACTER(LEN=3) :: label
CHARACTER(LEN=20) :: ws
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
CALL set_ws_from_label(label, ws)
frt='set label """,a,""" at ", f12.4,"*xscale-xshift,",a," center")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) TRIM(ws), xcoord, TRIM(ylabel)
RETURN
END SUBROUTINE gnuplot_write_label_yl
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_label_yl_bar(xcoord, ylabel, label, comment)
!--------------------------------------------------------------------------
!
! This subroutine puts a label in a y position calculated by the
! gnuplot script
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: xcoord
CHARACTER(LEN=*), INTENT(IN) :: ylabel
CHARACTER(LEN=3), INTENT(IN) :: label
CHARACTER(LEN=20) :: ws
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
CALL set_ws_from_label(label, ws)
ws="~"//TRIM(ws)//"{0.6-}"
frt='set label """,a,""" at ", f12.4,"*xscale-xshift,",a," center")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) TRIM(ws), xcoord, TRIM(ylabel)
RETURN
END SUBROUTINE gnuplot_write_label_yl_bar
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_ylabel(label, comment)
!--------------------------------------------------------------------------
!
! This subroutine sets the y label
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: label
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'set ylabel """,a,"""")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode.AND. label /=' ') WRITE(iun_gnuplot, frt) TRIM(label)
RETURN
END SUBROUTINE gnuplot_ylabel
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_xlabel(label, comment)
!--------------------------------------------------------------------------
!
! This subroutine sets the x label
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: label
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt='set xlabel """,a,"""")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode.AND. label /=' ') WRITE(iun_gnuplot, frt) TRIM(label)
RETURN
END SUBROUTINE gnuplot_xlabel
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_unset_xticks(comment)
!--------------------------------------------------------------------------
!
! This subroutine hides the xticks on the x axis
!
IMPLICIT NONE
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'unset xtics")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt)
RETURN
END SUBROUTINE gnuplot_unset_xticks
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_unset_border(comment)
!--------------------------------------------------------------------------
!
! This subroutine removes the border
!
IMPLICIT NONE
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'unset border")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt)
RETURN
END SUBROUTINE gnuplot_unset_border
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_set_xticks(xstart,delta,xend,comment)
!--------------------------------------------------------------------------
!
! This routines sets the ticks on the x axis
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: xstart, delta, xend
LOGICAL, INTENT(IN) :: comment
CHARACTER(LEN=256) :: frt
WRITE(frt, '("set xtics ",f11.6,"*xscale-xshift,",f11.6,"*xscale,",f11.6,"*xscale-xshift")') xstart, delta, xend
IF (comment) frt = '# ' // TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, '(a)') TRIM(frt)
RETURN
END SUBROUTINE gnuplot_set_xticks
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_set_yticks(ystart,delta,yend,comment)
!--------------------------------------------------------------------------
!
! This routines sets the ticks on the y axis
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: ystart, delta, yend
LOGICAL, INTENT(IN) :: comment
CHARACTER(LEN=256) :: frt
WRITE(frt, '("set ytics ",f10.5,",",f10.5,",",f10.5)') ystart, delta, yend
IF (comment) frt = '# ' // TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, '(a)') TRIM(frt)
RETURN
END SUBROUTINE gnuplot_set_yticks
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_unset_yticks(comment)
!--------------------------------------------------------------------------
!
! This routines hides the ticks on the y axis
!
IMPLICIT NONE
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'unset ytics")'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt)
RETURN
END SUBROUTINE gnuplot_unset_yticks
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_set_eref(eref, comment)
!--------------------------------------------------------------------------
!
! This subroutine sets eref with a value which is subtracted to all
! y values
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: eref
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'eref=", e24.12)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) eref
RETURN
END SUBROUTINE gnuplot_set_eref
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_set_gfact(gfact, comment)
!--------------------------------------------------------------------------
!
! This subroutine sets gfact with a value which is multiplied to all
! y values after subtraction of eref
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: gfact
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'gfact=", e20.8)'
IF (comment) frt = '# ' // TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) gfact
RETURN
END SUBROUTINE gnuplot_set_gfact
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_set_fact(fact, comment)
!--------------------------------------------------------------------------
!
! This subroutine sets fact with a value which is multiplied to all
! y values before subtraction of eref
!
IMPLICIT NONE
REAL(DP), INTENT(IN) :: fact
CHARACTER(LEN=256) :: frt
LOGICAL :: comment
frt = 'fact=", e20.8)'
IF (comment) frt = '#'//TRIM(frt)
frt='("'//TRIM(frt)
IF (ionode) WRITE(iun_gnuplot, frt) fact
RETURN
END SUBROUTINE gnuplot_set_fact
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_data(data_file,lw,color,start,last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file
! lw line width
! color color
! start, last are logical variables set to .TRUE. if this is the first
! line of a plot or the last line of a plot
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
CHARACTER(LEN=*), INTENT(IN) :: lw, color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($1*xscale-xshift):($2" &
//"*fact-eref)*gfact w l lw "//TRIM(lw)//" lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_data
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_sum(data_file, col1, col2, col3,&
color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! col2+col3 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2, col3
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):(($"// &
TRIM(int_to_char(col2)) //"+ $"//TRIM(int_to_char(col3)) &
//")*fact-eref)*gfact w l lw 3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_sum
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_diff(data_file, col1, col2, col3,&
color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! col2-col3 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2, col3
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):(($"// &
TRIM(int_to_char(col2)) //"- $"//TRIM(int_to_char(col3)) &
//")*fact-eref)*gfact w l lw 3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_diff
!
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_linear(data_file, col1, col2, col3,&
alpha, beta, color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! alpha*col2+beta*col3 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2, col3
REAL(DP), INTENT(IN) :: alpha, beta
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string, alphas, betas
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
WRITE(alphas,'(f20.7)') alpha
WRITE(betas,'(f20.7)') beta
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))&
//"*xscale-xshift):(($"//TRIM(int_to_char(col2))//"*"&
//TRIM(alphas)//" +"//TRIM(betas)//"*$"&
//TRIM(int_to_char(col3))//")*fact-eref)*gfact w l lw &
&3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_linear
!
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_div(data_file, col1, col2, col3,&
color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! col2/col3 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2, col3
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):(($"// &
TRIM(int_to_char(col2)) //"/ $"//TRIM(int_to_char(col3)) &
//")*fact-eref)*gfact w l lw 3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_div
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_point_sum(data_file, col1, col2, col3,&
color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! col2+col3 versus col1 and points are used
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2, col3
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):(($"// &
TRIM(int_to_char(col2)) //"+ $"//TRIM(int_to_char(col3)) &
//")*fact-eref)*gfact w p pt 82 ps point_size lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_point_sum
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_times(data_file, col1, col2, col3,&
color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! col2*col3 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2, col3
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):(($"// &
TRIM(int_to_char(col2)) //"* $"//TRIM(int_to_char(col3)) &
//")*fact-eref)*gfact w l lw 3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_times
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data(data_file, col1, col2, color, start, &
last, comment, continu)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! col2 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
LOGICAL, INTENT(IN), OPTIONAL :: continu
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment, cont
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//&
"*xscale-xshift):($"//TRIM(int_to_char(col2)) &
//"*fact-eref)*gfact w l lw 3 lc rgb "//TRIM(color)
cont=.FALSE.
IF (PRESENT(continu)) cont=continu
IF (start) THEN
IF (cont) THEN
string="replot "//TRIM(string)
ELSE
string="plot "//TRIM(string)
ENDIF
ENDIF
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_log10(data_file, col1, col2, color, &
start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the logarithm with basis 10 of the data contained
! in a file. The plot is log10 (col2) versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//&
"*xscale-xshift):(log10($"//TRIM(int_to_char(col2)) &
//"*fact-eref)*gfact) w l lw 3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_log10
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_data_minus(data_file, col1, col2, &
color, start, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file. The plot is
! -col2 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//&
"*xscale-xshift):(-$"//TRIM(int_to_char(col2)) &
//"*fact-eref)*gfact w l lw 3 lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_data_minus
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_point(data_file, col1, col2, color, start, &
last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file with points. The plot is
! col2 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):($"// &
TRIM(int_to_char(col2)) &
//"*fact-eref)*gfact w p pt 82 ps point_size lc rgb "//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_point
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_file_mul_line_point(data_file, col1, col2, color, &
start, continue, last, comment)
!--------------------------------------------------------------------------
!
! This subroutine plots the data contained in a file with line and
! points. The plot is col2 versus col1
!
IMPLICIT NONE
CHARACTER(LEN=*), INTENT(IN) :: data_file
INTEGER, INTENT(IN) :: col1, col2
CHARACTER(LEN=*), INTENT(IN) :: color
LOGICAL, INTENT(IN) :: start, continue, last
CHARACTER(LEN=256) :: string
CHARACTER(LEN=6) :: int_to_char
LOGICAL :: comment
string=" """//TRIM(data_file)//""" u ($"//TRIM(int_to_char(col1))//"*xscale-xshift):($"// &
TRIM(int_to_char(col2)) &
//"*fact-eref)*gfact w lp lw 3 pt 82 ps point_size lc rgb "&
//TRIM(color)
IF (start) string="plot "//TRIM(string)
IF (continue) string="replot "//TRIM(string)
IF (lbackspace) THEN
IF (.NOT.last) string=TRIM(string)//", \ "
ELSE
IF (.NOT.last) string=TRIM(string)//", \\"
ENDIF
IF (comment) string = '# ' // TRIM(string)
IF (ionode) &
WRITE(iun_gnuplot,'(a)') TRIM(string)
RETURN
END SUBROUTINE gnuplot_write_file_mul_line_point
!--------------------------------------------------------------------------
SUBROUTINE gnuplot_write_command(command, comment)
!--------------------------------------------------------------------------
!
! this subroutine writes a command in a gnuplot script