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nilsberglund-orleans
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@@ -42,8 +42,8 @@
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#include <tiffio.h> /* Sam Leffler's libtiff library. */
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#include <omp.h>
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#define MOVIE 0 /* set to 1 to generate movie */
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#define DOUBLE_MOVIE 1 /* set to 1 to produce movies for wave height and energy simultaneously */
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#define MOVIE 1 /* set to 1 to generate movie */
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#define DOUBLE_MOVIE 0 /* set to 1 to produce movies for wave height and energy simultaneously */
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/* General geometrical parameters */
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@@ -52,11 +52,6 @@
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#define NX 1280 /* number of grid points on x axis */
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#define NY 720 /* number of grid points on y axis */
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// #define NX 640 /* number of grid points on x axis */
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// #define NY 360 /* number of grid points on y axis */
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/* setting NX to WINWIDTH and NY to WINHEIGHT increases resolution */
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/* but will multiply run time by 4 */
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#define XMIN -2.0
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#define XMAX 2.0 /* x interval */
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@@ -67,15 +62,15 @@
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/* Choice of the billiard table */
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#define B_DOMAIN 20 /* choice of domain shape, see list in global_pdes.c */
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#define B_DOMAIN 19 /* choice of domain shape, see list in global_pdes.c */
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#define CIRCLE_PATTERN 11 /* pattern of circles, see list in global_pdes.c */
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#define CIRCLE_PATTERN 8 /* pattern of circles, see list in global_pdes.c */
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#define P_PERCOL 0.25 /* probability of having a circle in C_RAND_PERCOL arrangement */
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#define NPOISSON 300 /* number of points for Poisson C_RAND_POISSON arrangement */
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#define LAMBDA 0.85 /* parameter controlling the dimensions of domain */
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#define MU 0.03 /* parameter controlling the dimensions of domain */
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#define LAMBDA 0.0 /* parameter controlling the dimensions of domain */
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#define MU 1.25 /* parameter controlling the dimensions of domain */
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#define NPOLY 3 /* number of sides of polygon */
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#define APOLY 1.0 /* angle by which to turn polygon, in units of Pi/2 */
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#define MDEPTH 4 /* depth of computation of Menger gasket */
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@@ -83,7 +78,7 @@
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#define MANDELLEVEL 1000 /* iteration level for Mandelbrot set */
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#define MANDELLIMIT 10.0 /* limit value for approximation of Mandelbrot set */
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#define FOCI 1 /* set to 1 to draw focal points of ellipse */
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#define NGRIDX 15 /* number of grid point for grid of disks */
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#define NGRIDX 16 /* number of grid point for grid of disks */
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#define NGRIDY 20 /* number of grid point for grid of disks */
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/* You can add more billiard tables by adapting the functions */
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@@ -102,7 +97,7 @@
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#define GAMMA 0.0 /* damping factor in wave equation */
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#define GAMMAB 1.0e-6 /* damping factor in wave equation */
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#define GAMMA_SIDES 1.0e-4 /* damping factor on boundary */
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#define GAMMA_TOPBOT 1.0e-6 /* damping factor on boundary */
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#define GAMMA_TOPBOT 1.0e-7 /* damping factor on boundary */
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#define KAPPA 0.0 /* "elasticity" term enforcing oscillations */
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#define KAPPA_SIDES 5.0e-4 /* "elasticity" term on absorbing boundary */
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#define KAPPA_TOPBOT 0.0 /* "elasticity" term on absorbing boundary */
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@@ -113,26 +108,28 @@
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/* Boundary conditions, see list in global_pdes.c */
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#define B_COND 3
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#define B_COND 2
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/* Parameters for length and speed of simulation */
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#define NSTEPS 3000 /* number of frames of movie */
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#define NVID 20 /* number of iterations between images displayed on screen */
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#define NSTEPS 5000 /* number of frames of movie */
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#define NVID 25 /* number of iterations between images displayed on screen */
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#define NSEG 100 /* number of segments of boundary */
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#define INITIAL_TIME 250 /* time after which to start saving frames */
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#define INITIAL_TIME 0 /* time after which to start saving frames */
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#define BOUNDARY_WIDTH 2 /* width of billiard boundary */
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#define PAUSE 1000 /* number of frames after which to pause */
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#define PAUSE 1000 /* number of frames after which to pause */
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#define PSLEEP 1 /* sleep time during pause */
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#define SLEEP1 1 /* initial sleeping time */
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#define SLEEP2 1 /* final sleeping time */
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#define SLEEP2 1 /* final sleeping time */
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#define MID_FRAMES 20 /* number of still frames between parts of two-part movie */
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#define END_FRAMES 100 /* number of still frames at end of movie */
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/* Plot type, see list in global_pdes.c */
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#define PLOT 0
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#define PLOT 1
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#define PLOT_B 1 /* plot type for second movie */
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#define PLOT_B 0 /* plot type for second movie */
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/* Color schemes */
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@@ -141,9 +138,9 @@
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#define COLOR_SCHEME 1 /* choice of color scheme, see list in global_pdes.c */
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#define SCALE 0 /* set to 1 to adjust color scheme to variance of field */
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#define SLOPE 1.5 /* sensitivity of color on wave amplitude */
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#define SLOPE 1.0 /* sensitivity of color on wave amplitude */
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#define ATTENUATION 0.0 /* exponential attenuation coefficient of contrast with time */
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#define E_SCALE 2000.0 /* scaling factor for energy representation */
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#define E_SCALE 500.0 /* scaling factor for energy representation */
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// #define E_SCALE 2500.0 /* scaling factor for energy representation */
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#define COLORHUE 260 /* initial hue of water color for scheme C_LUM */
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@@ -184,7 +181,7 @@ void evolve_wave_half(double *phi_in[NX], double *psi_in[NX], double *phi_out[NX
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// c = COURANT;
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// cc = courant2;
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#pragma omp parallel for private(i,j,iplus,iminus,jplus,jminus,delta,x,y)
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#pragma omp parallel for private(i,j,iplus,iminus,jplus,jminus,delta,x,y,c,cc,gamma)
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for (i=0; i<NX; i++){
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for (j=0; j<NY; j++){
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if (xy_in[i][j])
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@@ -332,7 +329,8 @@ void animation()
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/* initialize wave with a drop at one point, zero elsewhere */
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// init_wave_flat(phi, psi, xy_in);
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init_planar_wave(XMIN + 0.015, 0.0, phi, psi, xy_in);
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init_wave(-LAMBDA, 0.0, phi, psi, xy_in);
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// init_planar_wave(XMIN + 0.015, 0.0, phi, psi, xy_in);
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// init_planar_wave(XMIN + 0.02, 0.0, phi, psi, xy_in);
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// init_planar_wave(XMIN + 0.8, 0.0, phi, psi, xy_in);
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// init_wave(-1.5, 0.0, phi, psi, xy_in);
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@@ -412,13 +410,13 @@ void animation()
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draw_billiard();
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glutSwapBuffers();
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}
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for (i=0; i<20; i++) save_frame();
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for (i=0; i<MID_FRAMES; i++) save_frame();
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if (DOUBLE_MOVIE)
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{
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draw_wave(phi, psi, xy_in, scale, i, PLOT_B);
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draw_billiard();
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glutSwapBuffers();
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for (i=0; i<20; i++) save_frame_counter(NSTEPS + 21 + counter + i);
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for (i=0; i<END_FRAMES; i++) save_frame_counter(NSTEPS + MID_FRAMES + 1 + counter + i);
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}
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s = system("mv wave*.tif tif_wave/");
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