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Author SHA1 Message Date
tTh
a1c0bf6e34 add a useless prog 2022-12-23 21:13:47 +01:00
tTh
3c94d61e24 fractint color maps module 1st shoot 2022-12-23 21:11:46 +01:00
tTh
7a254d2c02 bla 2022-12-23 12:25:28 +01:00
tTh
24cb13ad19 need more work... 2022-12-20 13:04:30 +01:00
tTh
c0d8ee443f need more tuning ? 2022-12-17 12:09:57 +01:00
tTh
252ea6d764 cosmetic tuning 2022-12-17 12:08:44 +01:00
tTh
6d935e5fd0 some clean after erratic modifications 2022-12-17 10:35:44 +01:00
20 changed files with 1146 additions and 33 deletions
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1
Fraktalism/.gitignore vendored
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@ -6,6 +6,7 @@ voxelize
evolvopick evolvopick
henon henon
essai essai
plotcolmap
frames/* frames/*
WS/*.dat WS/*.dat

27
Fraktalism/Makefile
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@ -1,7 +1,7 @@
all: voxelize evolvopick pickover julia lorentz essai all: voxelize evolvopick pickover julia lorentz essai
GFOPT = -Wall -Wextra -time -g -O -Imods/ -I../Modules GFOPT = -Wall -Wextra -time -g -Imods/ -I../Modules
# --------------------------------------------- # ---------------------------------------------
# the module 'spitpgm' is now in $PROJECT/Modules # the module 'spitpgm' is now in $PROJECT/Modules
@ -16,29 +16,38 @@ mods/xperiment.o: mods/xperiment.f90 Makefile
fraktals.o: fraktals.f90 Makefile fraktals.o: fraktals.f90 Makefile
gfortran $(GFOPT) -c $< gfortran $(GFOPT) -c $<
OBJS = mods/points3d.o mods/xperiment.o fraktals.o OBJDEP = mods/points3d.o mods/xperiment.o fraktals.o mods/fractcolmap.o
OBJS = $(OBJDEP) ../Modules/spitpgm.o
# --------------------------------------------- # ---------------------------------------------
essai: essai.f90 Makefile $(OBJS) essai: essai.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@ gfortran $(GFOPT) $< $(OBJS) -o $@
henon: henon.f90 Makefile $(OBJS) plotcolmap: plotcolmap.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@ gfortran $(GFOPT) $< $(OBJS) -o $@
julia: julia.f90 Makefile $(OBJS) # ---------------------------------------------
henon: henon.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@ gfortran $(GFOPT) $< $(OBJS) -o $@
pickover: pickover.f90 Makefile $(OBJS) julia: julia.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@ gfortran $(GFOPT) $< $(OBJS) -o $@
evolvopick: evolvopick.f90 Makefile $(OBJS) pickover: pickover.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@
evolvopick: evolvopick.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) $(DOT_O) -o $@ gfortran $(GFOPT) $< $(OBJS) $(DOT_O) -o $@
voxelize: voxelize.f90 Makefile $(OBJS) voxelize: voxelize.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@ gfortran $(GFOPT) $< $(OBJS) -o $@
lorentz: lorentz.f90 Makefile $(OBJS) lorentz: lorentz.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@
mkmandel: mkmandel.f90 Makefile $(OBJDEP)
gfortran $(GFOPT) $< $(OBJS) -o $@ gfortran $(GFOPT) $< $(OBJS) -o $@
# --------------------------------------------- # ---------------------------------------------

5
Fraktalism/README.md
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@ -9,7 +9,8 @@ qui montre ma première expérience dans ce domaine.
## La technique ## La technique
Le gros des calculs de fractales est fait dans `mods/fraktals.f90`, Le gros des calculs de fractales est fait dans `mods/fraktals.f90`,
et la gestion des pixels 'physiques' est fait dans `mods/spitpgm`. et la gestion des pixels 'physiques' est faite par le
module externe `spitpgm`.
Les fonctions d'usage général sont dans Les fonctions d'usage général sont dans
[mods/](répertoire mods/) ave trop peu [mods/](répertoire mods/) ave trop peu
@ -19,6 +20,8 @@ Des scripts _shell_ sont utilisés pour construire les vidéos.
## File Formats ## File Formats
Certains programmes enregistrent des tables de points 3d dans
des fichiers.
``` ```
type t_point3d type t_point3d

6
Fraktalism/essai.f90
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@ -23,10 +23,10 @@ program essai
allocate(picz(W,H), stat=errcode) allocate(picz(W,H), stat=errcode)
do foo=1, 360 do foo=1, 360
write (filename, "(a, i5.5, a)") "frames/popcorn/", foo, ".pnm" write (filename, "(a, i5.5, a)") "frames/popcorn/", foo-1, ".pnm"
write(0, *) "-------->", trim(filename), "<" write(0, *) "-------->", trim(filename), "<"
kx = 50.0 * sin(real(foo)*25.133) kx = 50.0 * sin(real(foo)*21.133)
ky = 50.0 * cos(real(foo)*25.133) ky = 50.0 * cos(real(foo)*26.133)
write(0, *) foo, kx, ky write(0, *) foo, kx, ky
call parasites_0(picz, kx, ky, 233) call parasites_0(picz, kx, ky, 233)
call spit_as_pgm_8(picz, trim(filename)) call spit_as_pgm_8(picz, trim(filename))

7
Fraktalism/fraktals.f90
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@ -26,7 +26,7 @@ subroutine parasites_0(pic, cx, cy, maxiter)
! write(0, *) "constantes", cx, cy ! write(0, *) "constantes", cx, cy
width = ubound(pic, 1) ; height = ubound(pic, 2) width = ubound(pic, 1) ; height = ubound(pic, 2)
coef = float(maxiter) coef = float(maxiter) / 12.3456789
do ix = 1, width do ix = 1, width
fx = cx + (float(ix) / (float(width)/4.0) - 2.0) fx = cx + (float(ix) / (float(width)/4.0) - 2.0)
@ -35,9 +35,9 @@ subroutine parasites_0(pic, cx, cy, maxiter)
fy = cy + (float(iy) / (float(height)/4.0) - 2.0) fy = cy + (float(iy) / (float(height)/4.0) - 2.0)
if (burps) then if (burps) then
pic(ix, iy) = int(fx * fy * coef * 1.005) pic(ix, iy) = mod(int(fx * fy * coef * 1.005), 250)
else else
pic(ix, iy) = int(fx * fy * coef) pic(ix, iy) = mod(int(fx * fy * coef), 250)
endif endif
enddo enddo
@ -45,7 +45,6 @@ subroutine parasites_0(pic, cx, cy, maxiter)
end subroutine parasites_0 end subroutine parasites_0
!=============================================================== !===============================================================
subroutine simple_julia(pic, cx, cy, maxiter) subroutine simple_julia(pic, cx, cy, maxiter)

6
Fraktalism/mkmandel.f90
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@ -4,8 +4,8 @@
!----------------------------------------------------- !-----------------------------------------------------
subroutine plotsomething(pic, start, cz) subroutine plotsomething(pic, start, cz)
use cmplxmath ! use cmplxmath
use imagetools ! use imagetools
implicit none implicit none
@ -93,7 +93,7 @@ program mkmandel
end subroutine plotsomething end subroutine plotsomething
end interface end interface
integer, dimension(768, 768) :: picz integer, dimension(512, 512) :: picz
type (CenterMag) :: cm type (CenterMag) :: cm
integer :: angle integer :: angle
real :: radangle, radius real :: radangle, radius

5
Fraktalism/mods/.gitignore vendored Normal file
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@ -0,0 +1,5 @@
t
*.pnm

17
Fraktalism/mods/Makefile
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@ -2,8 +2,23 @@
# compiling fraktalism's modules # compiling fraktalism's modules
# #
GFOPT = -Wall -Wextra -time -g GFOPT = -Wall -Wextra -time -g -I../../Modules
all: xperiment.o points3d.o fractcolmap.o
points3d.o: points3d.f90 Makefile points3d.o: points3d.f90 Makefile
gfortran $(GFOPT) -c $< gfortran $(GFOPT) -c $<
xperiment.o: xperiment.f90 Makefile
gfortran $(GFOPT) -c $<
fractcolmap.o: fractcolmap.f90 Makefile
gfortran $(GFOPT) -c $<
# TEST PROGGY --------------------
OBJS = fractcolmap.o xperiment.o points3d.o
t: t.f90 Makefile $(OBJS)
gfortran $(GFOPT) $< $(OBJS) ../../Modules/pixrgb.o -o $@

2
Fraktalism/mods/README.md
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@ -9,3 +9,5 @@ avec un script de build bien robuste.
Troisième point : Faire la [documentation](documentation.md) Troisième point : Faire la [documentation](documentation.md)
Quatrilème point : Cultiver la techno-futilité.

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@ -0,0 +1,356 @@
48 48 48 'chromatic' color map
56 48 56 by Todd Hedenstrom
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15
Fraktalism/mods/documention.md
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@ -1,11 +1,18 @@
# La doc (enfin !) # La doc des modules (enfin !)
Non, détrompez-vous, ce n'est pas vraiment une doc, parce que
les codes des modules du fraktalisme est en perpétuelle évolution.
## Points 3d ## Points 3d
Bientôt les quaternions ? Bientôt les quaternions ?
## Portable Net Map ## Xperiment
Fichiers de type `PGM` utilisés ici en version 16 bits, donc Des trucs bizarres, qui migreront (un jour, peut-être...) vers
65536 niveaux de gris. d'autres modules.
## Fractint color mapfile
This is juste a [wip](fractcolmap.f90), stay tuned.

118
Fraktalism/mods/fractcolmap.f90 Normal file
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@ -0,0 +1,118 @@
module fractcolmap
use pixrgb ! from Modules dir
implicit none
integer :: currmap(0:255, 3)
logical :: initialized = .FALSE.
contains
!-----------------------------------------------------
subroutine fcolm_infos(msg)
character(*), intent(in) :: msg
write(0, *) ' -> fractcolmap infos because [', msg, ']'
write(0, *) ' initialized is ', initialized
end subroutine
!-----------------------------------------------------
subroutine fcolm_load_mapfile(fname)
character(*), intent(in) :: fname
integer :: io, errcode, idx
integer :: ir, ig, ib
write(0, *) ' -> fractcolmap load file [', fname, ']'
! trying to get access to the datas
open(newunit=io, file=fname, iostat=errcode, action='read')
if (errcode .NE. 0) then
write(0, *) ' errcode :', errcode
write(0, *) ' FILE ', fname, ' NOT FOUND'
STOP 'BECAUSE FULL NUCKED, SORRY'
endif
! loop over all the data
do idx=0, 255
read(io, *) ir, ig, ib
! write(*, '("idx ", I5, " got rgb", 3I6)') idx, ir, ig, ib
currmap(idx, 1) = ir
currmap(idx, 2) = ig
currmap(idx, 3) = ib
enddo
! a few cleanup
close(io)
end subroutine
!-----------------------------------------------------
!-
! draw all the colors in a nice picture
!-
subroutine fcolm_plot_mapfile(fname)
character(*), intent(in) :: fname
type(t_pixrgb), allocatable :: prgb(:,:)
integer :: errcode, ix, iy, xx
integer :: rgb(3)
write(0, *) ' -> fractcolmap plot map to [', fname, ']'
allocate(prgb(512, 128), stat=errcode)
! Please, add a molly-guard
if (0 .NE. errcode) then
write(0, *) "errcode allocate in plot_map: ", errcode
STOP 'ABEND'
endif
print *, ' FILE ', fname
do ix = 1, 255
call fcolm_get_rgb(ix-1, rgb)
xx = ix * 2
! print *, ix, xx, " => ", rgb
do iy=1, 128
prgb( xx, iy)%r = rgb(1)
prgb(1+xx, iy)%r = rgb(1)
prgb( xx, iy)%g = rgb(2)
prgb(1+xx, iy)%g = rgb(2)
prgb( xx, iy)%b = rgb(3)
prgb(1+xx, iy)%b = rgb(3)
enddo
enddo
! push all the colred dats to disk
call rgbpix_spit_as_pnm_8(prgb, fname)
deallocate(prgb)
end subroutine
!-----------------------------------------------------
subroutine fcolm_get_rgb(idx, rgb)
integer, intent(in) :: idx
integer, intent(out) :: rgb(3)
rgb(1) = max(min(currmap(idx, 1), 255), 0) ! Red
rgb(2) = max(min(currmap(idx, 2), 255), 0) ! Green
rgb(3) = max(min(currmap(idx, 3), 255), 0) ! Blue
end subroutine
!-----------------------------------------------------
subroutine fcolm_make_gray()
integer :: idx
do idx=0, 255
currmap(idx, 1) = idx
currmap(idx, 2) = idx
currmap(idx, 3) = idx
enddo
initialized = .TRUE.
end subroutine
!-----------------------------------------------------
subroutine fcolm_print_map()
integer :: idx
do idx=0, 255
print *, currmap(idx, 1), currmap(idx, 2), currmap(idx, 3)
enddo
end subroutine
!-----------------------------------------------------
end module

256
Fraktalism/mods/neon.map Normal file
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@ -0,0 +1,256 @@
0 0 0 A flashy map ... by D. Egnor
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Fraktalism/mods/t.f90 Normal file
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@ -0,0 +1,37 @@
program t
use fractcolmap
call fcolm_infos('from main')
! call fcolm_make_gray()
call fcolm_load_mapfile('volcano.map')
call fcolm_plot_mapfile('volcano.pnm')
call fcolm_load_mapfile('neon.map')
call fcolm_plot_mapfile('neon.pnm')
call fcolm_load_mapfile('chroma.map')
call fcolm_plot_mapfile('chroma.pnm')
STOP 'BECAUSE YOU WAS OUMPFED.'
contains
!-------------------
subroutine print_boundaries()
integer :: foo
integer :: cmp(3)
do foo=-2, 5
call fcolm_get_rgb(foo, cmp)
print *, foo, ' --> ', cmp
enddo
do foo=252, 257
call fcolm_get_rgb(foo, cmp)
print *, foo, ' --> ', cmp
enddo
end subroutine
end program

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0 0 0 An explosion of lava ... by D. Egnor
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8
Fraktalism/mods/xperiment.f90
View File

@ -6,7 +6,7 @@ module xperiment
!=============================================================== !===============================================================
! nouveau 24 mai 2022 ! nouveau 24 mai 2022
subroutine parasites_0(pic, cx, cy, maxiter) subroutine parasites_1(pic, cx, cy, maxiter)
implicit none implicit none
! here is the wtf ! here is the wtf
@ -39,13 +39,13 @@ subroutine parasites_0(pic, cx, cy, maxiter)
enddo enddo
enddo enddo
end subroutine parasites_0 end subroutine parasites_1
!--------------------------------------------------------------- !---------------------------------------------------------------
! !
! aucune idee de l'utilisation de ce truc ! ! aucune idee de l'utilisation de ce truc !
! !
subroutine loop_of_parasites_0(nbre, mode) subroutine loop_of_parasites_1(nbre, mode)
implicit none implicit none
integer, intent(in) :: nbre, mode integer, intent(in) :: nbre, mode
@ -59,7 +59,7 @@ subroutine loop_of_parasites_0(nbre, mode)
enddo enddo
end subroutine loop_of_parasites_0 end subroutine loop_of_parasites_1
!=============================================================== !===============================================================
end module xperiment end module xperiment

23
Fraktalism/plotcolmap.f90 Normal file
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@ -0,0 +1,23 @@
program plotcolmap
use spitpgm
use fractcolmap
implicit none
integer :: argc
character(200) :: mapname, plotname
! -------check for command line arguments
argc = IARGC()
if (2 .NE. argc) then
STOP 'BECAUSE I NEED TWO ARGS'
endif
call getarg(1, mapname)
call getarg(2, plotname)
call fcolm_infos('from plotcolmap')
call fcolm_load_mapfile(trim(mapname))
call fcolm_plot_mapfile(trim(plotname))
end program

2
Modules/chkpixels.f90
View File

@ -39,7 +39,7 @@ contains
end do end do
end do end do
call rgbpix_spit_as_pnm(pixrgb, "rgb.pnm") call rgbpix_spit_as_pnm_8(pixrgb, "rgb.pnm")
deallocate(pixrgb) deallocate(pixrgb)

31
Modules/pixrgb.f90
View File

@ -15,7 +15,7 @@ end type
contains contains
!------------------------------------------------------------------- !-------------------------------------------------------------------
!- !-
subroutine rgbpix_spit_as_pnm(pic, fname) subroutine rgbpix_spit_as_pnm_8(pic, fname)
type(t_pixrgb), intent(in) :: pic(:,:) type(t_pixrgb), intent(in) :: pic(:,:)
character (len=*), intent(in) :: fname character (len=*), intent(in) :: fname
@ -24,14 +24,39 @@ subroutine rgbpix_spit_as_pnm(pic, fname)
open(newunit=io, file=fname) open(newunit=io, file=fname)
write (io, '(a2)') "P3" write (io, '(a2)') "P3"
write (io, '("# spit_rgb_pnm")') write (io, '("# rgbpix_spit_as_pnm_8")')
write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2) write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2)
write (io, '(i0)') 255 write (io, '(i0)') 255
do iy=1, ubound(pic, 2) do iy=1, ubound(pic, 2)
do ix=1, ubound(pic, 1) do ix=1, ubound(pic, 1)
write(io, "(3I7)") pic(ix, iy)%r, pic(ix, iy)%g, pic(ix, iy)%b write(io, "(3I4)") pic(ix, iy)%r, pic(ix, iy)%g, pic(ix, iy)%b
enddo
enddo
close(unit=io)
end subroutine
!-------------------------------------------------------------------
!-
subroutine rgbpix_spit_as_pnm_16(pic, fname)
type(t_pixrgb), intent(in) :: pic(:,:)
character (len=*), intent(in) :: fname
integer :: io, ix, iy
open(newunit=io, file=fname)
write (io, '(a2)') "P3"
write (io, '("# rgbpix_spit_as_pnm_16")')
write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2)
write (io, '(i0)') 65535
do iy=1, ubound(pic, 2)
do ix=1, ubound(pic, 1)
write(io, "(3I6)") pic(ix, iy)%r, pic(ix, iy)%g, pic(ix, iy)%b
enddo enddo
enddo enddo

1
Modules/spitpgm.f90
View File

@ -87,6 +87,7 @@ subroutine spit_as_pgm_8(pic, fname)
! XXX print *, " max = ", foo ! XXX print *, " max = ", foo
open(newunit=io, file=fname) open(newunit=io, file=fname)
write (io, '(a2)') "P2" write (io, '(a2)') "P2"
write (io, '(A)') "# spit_as_pgm_8"
write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2) write (io, '(i0," ",i0)') size(pic, 1), size(pic, 2)
write (io, '(i0)') 255 write (io, '(i0)') 255