TetaTricks/code/fortran/dessiner.f90

143 lines
3.8 KiB
Fortran

program dessiner
use plplot
implicit none
integer :: i
character(len=80) :: version
call plgver(version)
write (*,'(" ",a,a)') 'plPlot version: ', trim(version)
!! call dessin_X11 (0.12, 1.51, 11)
call dessin_dans_un_fichier ()
contains ! -----------------------------
!------------------------------------------------------
!- __ __ _
!- \ \/ / __ __ (_) _ __
!- \ / \ \ /\ / / | | | '_ \
!- / \ \ V V / | | | | | |
!- /_/\_\ \_/\_/ |_| |_| |_|
!-
subroutine dessin_X11 (sha, shb, color)
real, intent(in) :: sha, shb
integer, intent(in) :: color
integer, parameter :: lg = 2000
real :: x(lg), y(lg)
real :: k, amp
integer :: i
print *, 'dessin X11:', sha, shb, color
call plsdev('xwin')
call plinit ()
call plenv (-2.5, 2.5, -2.5, 2.5, 1, 1)
amp = 2.06
do i = 1, lg
k = real(i)/real(lg) * 6.2832 * 2.0
x(i) = amp * sin((k+sha))
y(i) = amp * cos((k+shb))
enddo
! print *, k, x(i), y(i)
call plcol0 (15) ! pure white
call pllab ("Fuzzfactor", "Yoyodines", "Some nice plots from tTh")
call plcol0 (color)
call plline (x, y)
call plend ()
end subroutine
!------------------------------------------------------
!- _ __ ___ ___
!- __ _ (_) / _| ( _ ) / _ \ __ _
!- / _` | | | | |_ / _ \ | (_) | / _` |
!- | (_| | | | | _| | (_) | \__, | | (_| |
!- \__, | |_| |_| \___/ /_/ \__,_|
!- |___/
!-
subroutine dessin_dans_un_fichier ()
integer, parameter :: nbpts = 179
integer, parameter :: nbframes = 99
real, parameter :: usz = 17.0 ! univers size
real :: xa(nbpts), ya(nbpts)
real :: xb(nbpts), yb(nbpts)
real :: x(nbpts), y(nbpts)
integer :: frame, i
real :: coef
character(len=89) :: filename
character(len=89) :: buffer
character(len=3) :: str
print *, 'Dessin dans un fichier'
! build the startup conditions
do i=1, nbpts
coef = real(i) * 0.051
xa(i) = usz * 0.80 * sin(coef*2.0)
ya(i) = usz * 0.70 * (-0.27 + cos(coef*3.0))
xb(i) = usz * 0.11 * (rand() - 0.54)
yb(i) = usz * 0.11 * (rand() - 0.97)
enddo
! iterate over frames.
do frame= 0, nbframes
coef = real(frame) / real(nbframes)
coef = cos(coef*3.141592654)
write (filename, "(a, i4.4, a)") "WS/A", frame, ".png"
! print *, frame, "!", coef, ' => ', trim(filename)
call plsdev ('pngcairo')
call plsfnam (trim(filename))
call plinit ()
call plenv (-usz, usz, -usz, usz, 0, 1)
call plcol0 (3)
! compute the real picture...
do i=1, nbpts
x(i) = xa(i)*coef - xb(i)*(1.0-coef)
y(i) = ya(i)*coef - yb(i)*(1.0-coef)
enddo
! ... and plot it *now*
call plline (x, y)
call plcol0 (15) ! 15 is pure white
call pllab("Apéro level", "Choupitude", "-- Philosophie de comptoir --")
call plend ()
enddo
end subroutine
!------------------------------------------------------
!- _ _ ____
!- | |_ _ __ ___ (_) | _ \
!- | __| | '__| / _ \ | | | | | |
!- | |_ | | | (_) | | | | |_| |
!- \__| |_| \___/ |_| |____/
!-
subroutine dessiner_en_trois_D ()
integer, parameter :: szgrid = 64
integer :: i, j
print *, 'Dessin en 3D (de merde :)'
call plsdev ('xwin')
call plinit ()
call plend ()
end subroutine
!------------------------------------------------------
end program