florian/triangle_group_limit_set
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movie command line arguments

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This commit is contained in:
Florian Stecker 2023-02-05 15:10:16 -05:00
parent a8b4bb7c2c
commit 78769593a7
2 changed files with 379 additions and 362 deletions
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77
main.c
View File

@ -11,6 +11,7 @@
#include "linalg.h"
#define TOGGLE(a) do { (a) = !(a); } while(0)
#define SIGN(x) ((x) > 0 ? 1.0 : -1.0)
DrawingContext *screen_context;
@ -33,6 +34,14 @@ void setupContext(DrawingContext *ctx, int argc, char *argv[])
ctx->parameter2 = atof(argv[8]);
else
ctx->parameter2 = 1.0;
if(argc > 12) {
ctx->movie_filename = argv[9];
ctx->movie_parameter_duration = atof(argv[10]);
ctx->movie_parameter2_duration = atof(argv[11]);
ctx->movie_n_frames = atoi(argv[12]);
} else {
ctx->movie_n_frames = 0;
}
// ctx->parameter = 2.77;
// ctx->parameter = 0.1;
ctx->show_boxes = 0;
@ -44,10 +53,10 @@ void setupContext(DrawingContext *ctx, int argc, char *argv[])
ctx->show_dual_limit = 0;
ctx->show_text = 1;
ctx->mode = 0;
ctx->use_rotation_basis = 2;
ctx->use_rotation_basis = 1;
ctx->limit_with_lines = 0;
ctx->use_repelling = 0;
ctx->show_marking = 1;
ctx->show_marking = 0;
ctx->marking.x = -0.73679;
ctx->marking.y = -0.01873;
ctx->show_coxeter_orbit = 0;
@ -158,8 +167,9 @@ void updateMatrices(DrawingContext *ctx)
cartanMatrix(ctx->cartan, angle[0], angle[1], angle[2], ctx->parameter);
gsl_matrix *tmp = getTempMatrix(ctx->ws);
int nmodes = 5;
if(ctx->use_rotation_basis % 5 == 0) {
if(ctx->use_rotation_basis % nmodes == 0) {
gsl_matrix_set(tmp, 0, 0, 0.0);
gsl_matrix_set(tmp, 0, 1, sqrt(3.0)/2.0);
gsl_matrix_set(tmp, 0, 2, -sqrt(3.0)/2.0);
@ -170,12 +180,22 @@ void updateMatrices(DrawingContext *ctx)
gsl_matrix_set(tmp, 2, 1, 1.0);
gsl_matrix_set(tmp, 2, 2, 1.0);
gsl_matrix_memcpy(ctx->cob, tmp);
} else if(ctx->use_rotation_basis % 5 == 1) {
} else if(ctx->use_rotation_basis % nmodes == 1) {
gsl_matrix_set(tmp, 0, 0, 1.0);
gsl_matrix_set(tmp, 0, 1, -1.0);
gsl_matrix_set(tmp, 0, 2, 0.0);
gsl_matrix_set(tmp, 1, 0, 1.0);
gsl_matrix_set(tmp, 1, 1, 1.0);
gsl_matrix_set(tmp, 1, 2, 0.0);
gsl_matrix_set(tmp, 2, 0, 0.0);
gsl_matrix_set(tmp, 2, 1, 0.0);
gsl_matrix_set(tmp, 2, 2, 1.0);
gsl_matrix_memcpy(ctx->cob, ctx->cartan); // is this a good choice of basis for any reason?
} else if(ctx->use_rotation_basis % 5 == 2) {
multiply_left(tmp, ctx->cob, ctx->ws);
} else if(ctx->use_rotation_basis % nmodes == 2) {
computeRotationMatrixFrame(ctx, tmp, "C");
invert(tmp, ctx->cob, ctx->ws);
} else if(ctx->use_rotation_basis % 5 == 3) {
} else if(ctx->use_rotation_basis % nmodes == 3) {
computeBoxTransform(ctx, "acb", "cba", ctx->cob);
// computeBoxTransform(ctx, "cab", "bca", ctx->cob);
// computeBoxTransform(ctx, "acb", "cba", ctx->cob);
@ -262,21 +282,33 @@ int processEvent(GraphicsInfo *info, XEvent *ev)
switch(key) {
case XK_Down:
if(ev->xkey.state & ShiftMask)
screen_context->parameter /= exp(0.00005);
else
screen_context->parameter /= exp(0.002);
updateMatrices(screen_context);
computeLimitCurve(screen_context);
break;
case XK_Up:
if(ev->xkey.state & ShiftMask)
screen_context->parameter *= exp(0.00005);
else
screen_context->parameter *= exp(0.002);
updateMatrices(screen_context);
computeLimitCurve(screen_context);
break;
case XK_Left:
if(ev->xkey.state & ShiftMask)
screen_context->parameter2 /= exp(0.00005);
else
screen_context->parameter2 /= exp(0.002);
updateMatrices(screen_context);
computeLimitCurve(screen_context);
break;
case XK_Right:
if(ev->xkey.state & ShiftMask)
screen_context->parameter2 *= exp(0.00005);
else
screen_context->parameter2 *= exp(0.002);
updateMatrices(screen_context);
computeLimitCurve(screen_context);
@ -346,37 +378,18 @@ int processEvent(GraphicsInfo *info, XEvent *ev)
print(screen_context);
break;
case 'M':
/*
screen_context->limit_with_lines = 0;
double parameter_start = screen_context->parameter;
for(int i = 0; i <= 1300; i++) {
if(i < 400)
screen_context->parameter = exp(log(parameter_start)+0.002*i);
else if(i < 500)
screen_context->parameter = exp(log(parameter_start)+0.002*400);
else
screen_context->parameter = exp(log(parameter_start)+0.002*(900-i));
double parameter2_start = screen_context->parameter2;
for(int i = 0; i <= screen_context->movie_n_frames; i++) {
screen_context->parameter = SIGN(parameter_start)*exp(log(fabs(parameter_start)) +
i*screen_context->movie_parameter_duration/screen_context->movie_n_frames);
screen_context->parameter2 = SIGN(parameter2_start)*exp(log(fabs(parameter2_start)) +
i*screen_context->movie_parameter2_duration/screen_context->movie_n_frames);
updateMatrices(screen_context);
computeLimitCurve(screen_context);
draw(screen_context);
sprintf(filename, "movie3/test%03d.png", i);
cairo_surface_write_to_png(info->buffer_surface, filename);
printf("Finished drawing %s\n", filename);
}
*/
screen_context->limit_with_lines = 0;
double parameter_start = screen_context->parameter;
for(int i = 0; i <= 1300; i++) {
if(i < 400)
screen_context->parameter = exp(0.003*i);
else if(i < 500)
screen_context->parameter = exp(0.003*400);
else
screen_context->parameter = exp(0.003*(900-i));
updateMatrices(screen_context);
computeLimitCurve(screen_context);
draw(screen_context);
sprintf(filename, "movie5/test%03d.png", i);
sprintf(filename, "output/%s%03d.png", screen_context->movie_filename, i);
cairo_surface_write_to_png(info->buffer_surface, filename);
printf("Finished drawing %s\n", filename);
}

4
main.h
View File

@ -36,6 +36,10 @@ typedef struct {
int p[3],k[3];
double parameter;
double parameter2;
char *movie_filename;
double movie_parameter_duration;
double movie_parameter2_duration;
int movie_n_frames;
int n_group_elements;
int n_group_elements_combinatorial;
int show_boxes;