florian/triangle_group_limit_set
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somewhat stable version of the limit set program

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This commit is contained in:
Florian Stecker
2020-03-11 10:35:38 -05:00
parent f257364907
commit bc2fdcd132
2 changed files with 83 additions and 23 deletions
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75
main.c
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@@ -138,6 +138,31 @@ void updateMatrices(DrawingContext *ctx)
if(ctx->use_rotation_basis % 4 == 0) {
gsl_matrix_memcpy(ctx->cob, ctx->cartan); // is this a good choice of basis for any reason?
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, 1.0);
gsl_matrix_set(tmp, 2, 0, 0.0);
gsl_matrix_set(tmp, 2, 1, -1.0);
gsl_matrix_set(tmp, 2, 2, 1.0);
multiply_left(tmp, ctx->cob, ctx->ws);
/*
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);
gsl_matrix_set(tmp, 1, 0, 1.0);
gsl_matrix_set(tmp, 1, 1, -0.5);
gsl_matrix_set(tmp, 1, 2, -0.5);
gsl_matrix_set(tmp, 2, 0, 1.0);
gsl_matrix_set(tmp, 2, 1, 1.0);
gsl_matrix_set(tmp, 2, 2, 1.0);
gsl_matrix_memcpy(ctx->cob, tmp);
*/
// gsl_matrix_set_identity(ctx->cob); // is this a good choice of basis for any reason?
} else if(ctx->use_rotation_basis % 4 == 1) {
computeRotationMatrix(ctx, tmp, "ba");
@@ -278,19 +303,43 @@ int processEvent(GraphicsInfo *info, XEvent *ev)
break;
case 'p':
print(screen_context);
break;
case 'M':
/*
screen_context->limit_with_lines = 0;
for(int i = 0; i <= 800; i++) {
screen_context->parameter = exp(0.005*i-2);
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));
updateMatrices(screen_context);
computeLimitCurve(screen_context);
draw(screen_context);
sprintf(filename, "test%03d.png", i);
sprintf(filename, "movie3/test%03d.png", i);
cairo_surface_write_to_png(info->buffer_surface, filename);
printf("Finished drawing %s\n", filename);
}
*/
break;
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);
cairo_surface_write_to_png(info->buffer_surface, filename);
printf("Finished drawing %s\n", filename);
}
case 'f':
TOGGLE(screen_context->use_repelling);
computeLimitCurve(screen_context);
@@ -319,21 +368,21 @@ int main()
if(!info)
return 1;
/*
info->dim->matrix.xx = 112.465171;
info->dim->matrix.xy = 0.000000;
info->dim->matrix.x0 = 891.180490;
info->dim->matrix.yx = 0.000000;
info->dim->matrix.yy = 112.465171;
info->dim->matrix.y0 = 506.676280;
*/
/*
info->dim->matrix.xx = 274.573171;
info->dim->matrix.xy = 0.000000;
info->dim->matrix.x0 = 583.073462;
info->dim->matrix.yx = 0.000000;
info->dim->matrix.yy = 274.573171;
info->dim->matrix.y0 = 777.225293;
*/
info->dim->matrix.xx = 274.573171;
info->dim->matrix.xy = 0.000000;
info->dim->matrix.x0 = 910.073462;
info->dim->matrix.yx = 0.000000;
info->dim->matrix.yy = 274.573171;
info->dim->matrix.y0 = 509.225293;
updateDimensions(info->dim);