soundscope, first try ok

2023-12-24 20:53:27 +01:00
parent 123b97cce2
commit 9629d6ca97
5 changed files with 165 additions and 7 deletions
--- a/GrafAnim/soundscope.f90
+++ b/GrafAnim/soundscope.f90
@@ -0,0 +1,120 @@
+! *******************************************
+! 
+! *******************************************
+
+program soundscope
+
+  use pixrgb
+  use utils_ga
+
+  implicit none
+
+  integer                       :: width  = 640
+  integer                       :: height = 480
+  integer                       :: marge  = 10
+  type(t_pixrgb), allocatable   :: pix(:,:)
+  character (len=280)           :: filename
+  integer                       :: iter, foo, tx, ty
+  logical                       :: flag
+
+  allocate(pix(width, height))
+  ! call preparation(pix, 65000)
+
+  do iter=0, 450
+    write(0, *) "----- iteration", iter, "    -------------"
+
+!    do foo=0, 10
+!      tx = (marge/2) + fair_random_gauss(width-marge)
+!      ty = (marge/2) + fair_random_gauss(height-marge)
+!      call make_big_dot(pix, tx, ty)
+!    enddo
+
+    call dim_pix_rgb(pix, 1500)
+    call make_a_frame(pix, 300)
+
+    write (filename, "(a,i5.5,a)") "./F/np/", iter, ".pnm"
+    call rgbpix_spit_as_pnm_16(pix, filename)
+
+  enddo
+
+contains
+!-- ------------------------------------------------------------------
+!--
+
+subroutine make_a_frame(image, nbdata)
+  type(t_pixrgb), intent(inout)  :: image(:,:)
+  integer, intent(in)            :: nbdata
+  integer                        :: idx
+  real                           :: vl, vr
+  integer                        :: ix, iy
+
+  do idx=0, nbdata
+    read(5, *) vl, vr
+    ix = int((vl / 111.111) + 300)
+    iy = int((vr / 166.666) + 200)
+    ! write(6, *) vl, ix, "  |  ", vr, iy
+    call make_big_dot(image, ix, iy)
+  enddo
+
+end subroutine
+
+!-- ------------------------------------------------------------------
+
+subroutine make_big_dot(image, ix, iy)
+  type(t_pixrgb), intent(inout)  :: image(:,:)
+  integer, intent(in)            :: ix, iy
+
+  image(ix, iy)%r = 12000
+
+  image(ix,   iy)%g   = 65000
+  image(ix-1, iy)%g   = 56000
+  image(ix,   iy-1)%g = 56000
+  image(ix+1, iy)%g   = 56000
+  image(ix,   iy+1)%g = 56000
+
+  image(ix, iy)%b = 24000
+
+end subroutine
+
+!-- ------------------------------------------------------------------
+
+subroutine preparation(image, mval)
+  type(t_pixrgb), intent(inout)  :: image(:,:)
+  integer,intent(in)             :: mval
+  integer                        :: ix, iy
+
+  write(0, *) "dim 1 =", ubound(image, 1)
+  write(0, *) "dim 2 =", ubound(image, 2)
+
+  do ix=1, ubound(image, 1)
+    do iy=1, ubound(image, 2)
+      image(ix, iy)%r = fair_random_gauss(mval)
+      image(ix, iy)%g = fair_random_gauss(mval)
+      image(ix, iy)%b = fair_random_gauss(mval)
+    enddo
+  enddo
+
+end subroutine
+
+!-- ------------------------------------------------------------------
+
+logical function diff_sign(a, b)
+   integer, intent(in)     :: a, b
+
+   ! write(0, *) "diff_sign", a, b
+   if ( (a .lt. 0) .and. (b .ge. 0) ) then 
+      diff_sign = .TRUE.
+      return
+   endif
+   if ( (a .ge. 0) .and. (b .lt. 0) ) then
+      diff_sign = .TRUE.
+      return
+   endif
+   diff_sign = .FALSE.
+
+end function
+
+!-- ------------------------------------------------------------------
+
+end program soundscope
+