mood of the night
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tTh
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@ -24,10 +24,7 @@ trigofest: trigofest.f90 Makefile vue3axes.o utils_ga.o
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gfortran $(GFOPT) $< $(MYLIB) utils_ga.o -o $@
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noisepic: noisepic.f90 Makefile
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gfortran $(GFOPT) $< $(MYLIB) \
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-o $@
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# ---- bienvenue dans le monde applicatif
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gfortran $(GFOPT) $< $(MYLIB) -o $@
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wavmetrics.o: wavmetrics.f90 Makefile
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gfortran $(GFOPT) -c $<
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@ -3,12 +3,16 @@
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Quelques essais approximatifs pour faire des graphiques inutiles,
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dans une démarche mettant en avant la
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[techno-futilité](https://wiki.interhacker.space/index.php?title=Techno-futilit%C3%A9),
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une notion bien définie par le collectif Interhack.
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une notion bien définie par le collectif **Interhack**.
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Actuellement, certains des logiciels que vous voyez ici utilisent un backend
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graphique brassé à la maison et nommé `genplot2`. Hélas, celui-ci est
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Actuellement, certains des logiciels que vous voyez ici utilisent un backend graphique brassé
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[à la maison](https://git.tetalab.org/tTh/libtthimage)
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et nommé `genplot2`. Hélas, celui-ci est
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un peu foireux sur les tracés de ligne...
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## geowaves
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Une idée en l'air, probablement...
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## trigofest
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@ -20,15 +24,11 @@ que c'est d'la balle !
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Ou comment dessiner des gaussiennes en jetant des dés.
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## vue3axes
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Un module assez spécialisé.
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## soundscope
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Retranscription en image de type oscilloscope d'un fichier son.
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Le code source ([soundscope.f90](soundscope.f90)) est encore
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bien gore.
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Une tentative de retranscription en image de type oscilloscope/vumètre d'un fichier son.
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Les codes source du proggy ([soundscope.f90](soundscope.f90)) et du
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[module](utils_ga.f90) associé sont encore bien *gore*.
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Pour convertir le son en données exploitables, il faut utiliser ce [bout de code](../SoundBrotching/c-tools/text2wav.c). Certaines fonctions utilisée par ce logiciel sont dans [utils_ga.f90](utils_ga.f90)
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pour la partie dessin.
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@ -1,5 +1,9 @@
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program essai
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! *******************************************
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! CE TRUC NE MARCHE PAS /O\
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! *******************************************
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use pixrgb
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implicit none
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@ -60,6 +64,7 @@ subroutine setpixel(pic, x, y)
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.and. &
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(iy .gt. lbound(pic, 2)) .and. (iy .lt. ubound(pic, 2)) ) &
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then
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pix(ix, iy)%r = 0
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pic(ix, iy)%g = 65000
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pic(ix, iy)%b = 20000
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else
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35
GrafAnim/geowaves.f90
Normal file
35
GrafAnim/geowaves.f90
Normal file
@ -0,0 +1,35 @@
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! *******************************************
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!
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! *******************************************
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program geowaves
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use pixrgb
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implicit none
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integer :: width = 640
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integer :: height = 480
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integer :: marge = 10
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type(t_pixrgb), allocatable :: pix(:,:)
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integer :: x, y, h
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real :: dist
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allocate(pix(width, height))
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do x=marge, width-marge
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! write (0, *) " Y =", y
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do y=marge, height-marge, 5
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print *, x, y
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pix(x, y)%g = 30000
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enddo
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enddo
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call rgbpix_spit_as_pnm_16(pix, "foo.pnm")
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end program geowaves
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@ -9,23 +9,28 @@ program soundscope
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implicit none
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integer :: width = 720
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integer :: height = 576
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integer :: width = 800
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integer :: height = 600
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integer :: marge = 32
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integer :: samplerate = 44100
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integer :: framerate = 30
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integer, parameter :: overtrig = 25200
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type(t_pixrgb), allocatable :: pix(:,:)
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character (len=280) :: filename
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integer :: iter, foo, tx, ty
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integer :: smppf
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logical :: flagdone
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smppf = samplerate / framerate
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write(0, *) "sample rate = ", samplerate
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write(0, *) "frames per second = ", framerate
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write(0, *) "samples per frame = ", smppf
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allocate(pix(width, height))
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call fill_random_gauss(pix, 65000, marge)
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! call fill_random_gauss(pix, 65000, marge)
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iter = 0
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do
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@ -46,13 +51,19 @@ program soundscope
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enddo
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call dim_pix_rgb_mul(pix, 0.86)
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if (mod(iter, 180) .LT. 90) then
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call make_a_frame_dplot(pix, smppf, flagdone)
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else
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call make_a_frame_xy(pix, smppf, flagdone)
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endif
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call dessine_cadre(pix, 65000, 65000, 65000, marge)
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foo = mod(iter/36, 3)
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! print *, iter, " --> ", foo
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select case(foo)
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case(0)
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call make_a_frame_xy(pix, smppf, flagdone)
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case(1)
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call make_a_frame_bargraph(pix, smppf, flagdone)
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case(2)
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call make_a_frame_dplot(pix, smppf, flagdone)
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end select
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call dessine_cadre(pix, 51000, 65000, 51000, marge)
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write (filename, "(a,i5.5,a)") "./F/np/", iter, ".pnm"
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call rgbpix_spit_as_pnm_16(pix, filename)
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@ -60,13 +71,17 @@ program soundscope
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exit
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endif
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if (iter .EQ. 360) exit
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enddo
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write(0, *) " [done]"
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contains
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!-- ------------------------------------------------------------------
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!--
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!-
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! This is the classic Lissajou
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!-
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subroutine make_a_frame_xy(image, nbdata, jobdone)
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type(t_pixrgb), intent(inout) :: image(:,:)
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@ -88,15 +103,16 @@ subroutine make_a_frame_xy(image, nbdata, jobdone)
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endif
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! add flash !
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if ( (idx .LT. 100) .AND. &
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((abs(vl).GT.21000).OR.(abs(vr).GT.21000)) ) then
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write(0,*) "overshoot!"
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if ( (idx .LT. 50) .AND. &
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((abs(vl).GT.overtrig).OR.(abs(vr).GT.overtrig)) ) then
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write(0,*) "overshoot in xy!"
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call fill_random_gauss(image, 65000, marge)
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endif
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! scale it to the window
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ix = width - ((2 * int(vl / 111.111)) + 400)
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iy = (2 * int(vr / 166.666)) + 300
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ix = int((vl/65536.9) * real(width)) + width/2
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ix = width - ix
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iy = int((vr/65536.9) * real(height)) + height/2
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if (is_pixel_inside(ix, iy)) then
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call make_big_dot(image, ix, iy)
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endif
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@ -105,9 +121,73 @@ subroutine make_a_frame_xy(image, nbdata, jobdone)
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end subroutine
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!-- ------------------------------------------------------------------
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!-- ------------------------------------------------------------------
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!--
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! new: Sat Jan 6 00:04:23 UTC 2024
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!-
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! TODO bien calculer la largeur et la position des vumetres !
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!-
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! Largeur utile : largeur ecran moins deux fois la marge
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subroutine make_a_frame_bargraph(image, nbdata, jobdone)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: nbdata
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logical, intent(out) :: jobdone
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integer :: idx, errcode
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integer :: ir, il, foo
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integer :: sigma_l, sigma_r
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integer :: largutil, haututil, xpos, ypos
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sigma_l = 0
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sigma_r = 0
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do idx=0, nbdata
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! get a sample
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read(5, *, iostat=errcode) il, ir
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if (0 .NE. errcode) then
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write(0, *) "iostat =", errcode
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jobdone = .TRUE.
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exit
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endif
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sigma_l = sigma_l + abs(il)
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sigma_r = sigma_r + abs(ir)
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enddo
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! ici on a lu tous les samples, on a la somme des abs()
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write(0, *) "sigmas = ", sigma_l, sigma_r
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il = sigma_l / nbdata
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ir = sigma_r / nbdata
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call clear_image(image, marge)
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! il ne reste plus qu'à tracer la barre.
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largutil = width - (marge*2)
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haututil = height - (marge*2)
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ypos = marge + ((il*haututil) / 32768 )
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! write(0, *) "ypos = ", ypos
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do xpos=1, largutil
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! write(0, *) " xpos", xpos
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call make_big_dot(image, xpos, ypos)
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enddo
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ypos = marge + ((il*haututil) / 32768 )
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write(0, *) "ypos = ", ypos
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do xpos=(width/2)+8, width - (marge + 8)
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write(0, *) " xpos", xpos
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call make_big_dot(image, xpos, ypos)
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enddo
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! et ma fin de la trace : une séparation au milieu.
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do foo=marge+9, height-(marge+9)
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image(width/2, foo - 9)%r = 65500
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image(width/2, foo - 4)%r = 65500
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image(width/2, foo )%r = 65500
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image(width/2, foo + 4)%r = 65500
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image(width/2, foo + 9)%r = 65500
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enddo
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end subroutine
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!-- ------------------------------------------------------------------
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!-
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! THIS SUBROUTINE IS BOGUS !
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!-
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subroutine make_a_frame_dplot(image, nbdata, jobdone)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: nbdata
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@ -129,8 +209,8 @@ subroutine make_a_frame_dplot(image, nbdata, jobdone)
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endif
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! add flash !
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if ( (idx .LT. 100) .AND. &
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((abs(vl).GT.21000).OR.(abs(vr).GT.21000)) ) then
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write(0,*) "overshoot!"
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((abs(vl).GT.overtrig).OR.(abs(vr).GT.overtrig)) ) then
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write(0,*) "overshoot in dplot!"
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call fill_random_gauss(image, 65000, marge)
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endif
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@ -183,7 +263,7 @@ subroutine dessine_cadre(image, R, G, B, border)
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end subroutine
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!-- ------------------------------------------------------------------
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!-- ------------------------------------------------------------------
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function is_pixel_inside(ix, iy)
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integer,intent(in) :: ix, iy
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logical :: is_pixel_inside
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@ -200,8 +280,6 @@ function is_pixel_inside(ix, iy)
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end function
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!-- ------------------------------------------------------------------
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!-- ------------------------------------------------------------------
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@ -3,6 +3,7 @@
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! -------------------------------------------------------------------
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module utils_ga
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use pixrgb
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implicit none
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@ -33,7 +34,25 @@ subroutine increment_pixel(pix, k)
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type(t_pixrgb), intent(inout) :: pix
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integer :: k
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pix%r = pix%r + k
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pix%g = pix%g + k
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pix%b = pix%b + k
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end subroutine
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! -------------------------------------------------------------------
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subroutine make_bar_dot(image, ix, iy)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: ix, iy
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integer :: foo
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do foo=-1, 1
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image(ix+foo, iy)%r = 45000
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image(ix+foo, iy)%g = 5000
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image(ix+foo, iy)%b = 45000
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enddo
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image(ix-2, iy)%g = 45000
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image(ix , iy)%g = 65500
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image(ix+2, iy)%g = 45000
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end subroutine
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! -------------------------------------------------------------------
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@ -104,6 +123,25 @@ subroutine dim_pix_rgb_sub(pix, k)
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enddo
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enddo
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end subroutine
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! -------------------------------------------------------------------
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subroutine clear_image(image, border)
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type(t_pixrgb), intent(inout) :: image(:,:)
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integer, intent(in) :: border
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integer :: ix, iy
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! write(0, *) "dim 1 =", ubound(image, 1)
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! write(0, *) "dim 2 =", ubound(image, 2)
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do ix=1+border, ubound(image, 1)-border
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do iy=1+border, ubound(image, 2)-border
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image(ix, iy)%r = 5555
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image(ix, iy)%g = 0
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image(ix, iy)%b = 0
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enddo
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enddo
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end subroutine
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! -------------------------------------------------------------------
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