minor tweaks

Fraktalism/julias.f90

@@ -86,8 +86,8 @@ subroutine julia_colormapped(pic, cx, cy, maxiter)
             pic(ix, iy)%b = mod(abs(int(aimag(Z)*140)), 255)
           else
             pic(ix, iy)%r = mod(iter*33, 255)
-            pic(ix, iy)%g = mod(iter*29, 255)
-            pic(ix, iy)%b = mod(iter*21, 255)
+            pic(ix, iy)%g = mod(iter*59, 255)
+            pic(ix, iy)%b = mod(iter*41, 255)
           endif
       enddo      ! iy
     enddo        ! ix

Fraktalism/mkjulia.f90

@@ -26,7 +26,7 @@ program julia
     call getarg(2, string)       ;   read (string, *) cx
     call getarg(3, string)       ;   read (string, *) cy
 
-    allocate(picz(640, 480))
+    allocate(picz(512, 342))
 
     call julia_colormapped(picz, cx, cy, 500)
     call rgbpix_spit_as_pnm_8(picz, trim(filename))

Fraktalism/mkjuliagif.sh

@@ -25,6 +25,8 @@ do
 
 	./mkjulia $img $cx $cy
 
+	sleep 145
+
 done
 
 ./tagpicz.sh $workdir

Fraktalism/tagpicz.sh

@@ -19,8 +19,8 @@ do
 		-gravity South-East			\
 		-font Courier				\
 		-pointsize 12				\
-		-fill Yellow			\
-		-annotate +10+10 "tTh 2023"	\
+		-fill firebrick				\
+		-annotate +10+10 "Konrad+tTh 2023"	\
 		$img
 	echo "tagging " $img
 

GrafAnim/.gitignore

@@ -3,6 +3,7 @@ essai
 doubledice
 doublegauss
 trigofest
+noisepic
 
 *.scratch
 *.genplot

GrafAnim/Makefile

@@ -20,6 +20,9 @@ trigofest:	trigofest.f90 Makefile vue3axes.o utils_ga.o
 	gfortran $(GFOPT) $<  ../Modules/pixrgb.o  ../Modules/spitpgm.o \
 			utils_ga.o -o $@
 
+noisepic:	noisepic.f90  Makefile
+	gfortran $(GFOPT) $< ../Modules/spitpgm.o -o $@
+
 # ---- modules locaux
 
 usegenplot.o:	usegenplot.f90 Makefile

GrafAnim/doublegauss.f90

@@ -4,7 +4,7 @@ program doublegauss
   implicit none
 
   type(t_pixrgb), allocatable     ::    pic(:,:)
-  character (len=80)              ::    filename
+  character (len=280)             ::    filename
   integer                         ::    pass, iter
   integer                         ::    xrnd, yrnd
 

GrafAnim/noisepic.f90

@@ -0,0 +1,73 @@
+program noisepic
+
+  use spitpgm
+  implicit none
+
+  integer                   :: numframe = 0
+
+  integer                   :: nbarg
+  character(len=256)        :: arg
+
+
+  nbarg = IARGC()
+  if (nbarg .GT. 0) then
+       call GETARG(1, arg)
+       ! write (0, '(A40, A5)') "argument = ",  arg
+       read (arg, *) numframe
+  endif
+
+  call make_noise_pic(numframe)
+
+contains
+!-- ------------------------------------------------------------------
+subroutine make_noise_pic (value)
+
+  integer, intent(in)        :: value
+
+  integer                               :: foo
+  integer, dimension(:,:), allocatable  ::  pic
+  character (len=280)                   ::    filename
+
+  allocate(pic(320, 240))
+
+  pic = 0
+
+  call srand(value+34)
+  foo = irand()
+  print *, 'val=', value, '       rnd=', foo
+
+  call plot_noise_pic(pic, 15000)
+
+  write (filename, "(a, i5.5, a)") "", value, ".pgm"
+  call spit_as_pgm_8(pic, trim(filename))
+
+end subroutine
+!-- ------------------------------------------------------------------
+subroutine plot_noise_pic(picz, nbre)
+
+  integer, dimension(:,:), intent(inout) :: picz
+  integer, intent(in)                    :: nbre
+
+  integer                                :: width, height
+  integer                                :: quux, ix, iy, iv
+
+
+  width = ubound(picz, 1)  ;  height = ubound(picz, 2)
+  ! print *, 'sz picz', width, height
+
+  do quux=1, nbre
+
+    ix = 1 + mod ( irand(), width )
+    iy = 1 + mod ( irand(), height )
+    iv = mod ( irand(), 256 )
+
+    ! print *, ix, iy
+    picz(ix, iy) = iv
+
+  enddo
+
+end subroutine
+
+!-- ------------------------------------------------------------------
+
+end program

GrafAnim/trigofest.f90

@@ -83,8 +83,8 @@ subroutine plot_a_dot(pic, ix, iy, val)
 end subroutine
 
 !-------------------------------------------------------------
-!            La premirere spirale
-!            --------------------
+!            La premiere spirale
+!            -------------------
 
 subroutine spirale(pic, inirad, param)
   implicit none