void
build_example1(GtkWidget *active_plot,GtkPlotDT *data, gint num)
{
GdkColor color;
gdouble *px1= (gdouble *)g_malloc(sizeof(gdouble)*num*3);
gdouble *py1= (gdouble *)g_malloc(sizeof(gdouble)*num*3);
gdouble *px2= (gdouble *)g_malloc(sizeof(gdouble)*num*3);
gdouble *py2= (gdouble *)g_malloc(sizeof(gdouble)*num*3);
gdouble ax,ay,bx,by,cx,cy;
GtkPlotDTtriangle *t= NULL;
GList *list = NULL;
gint i = 0;
list = data->triangles;
while(list){
t = (GtkPlotDTtriangle *)list->data;
ax= gtk_plot_dt_get_node(data,t->a)->x;
ay= gtk_plot_dt_get_node(data,t->a)->y;
bx= gtk_plot_dt_get_node(data,t->b)->x;
by= gtk_plot_dt_get_node(data,t->b)->y;
cx= gtk_plot_dt_get_node(data,t->c)->x;
cy= gtk_plot_dt_get_node(data,t->c)->y;
px1[i*3+0]= ax; py1[i*3+0]= ay;
px2[i*3+0]= bx-ax; py2[i*3+0]= by-ay;
px1[i*3+1]= bx; py1[i*3+1]= by;
px2[i*3+1]= cx-bx; py2[i*3+1]= cy-by;
px1[i*3+2]= cx; py1[i*3+2]= cy;
px2[i*3+2]= ax-cx; py2[i*3+2]= ay-cy;
i++;
list = list->next;
}
fprintf(stderr,"%d triangles, %d points\n",num,num*3);
dataset[0] = GTK_PLOT_DATA(gtk_plot_flux_new());
gtk_plot_add_data(GTK_PLOT(active_plot), dataset[0]);
gtk_widget_show(GTK_WIDGET(dataset[0]));
gtk_plot_data_set_points(dataset[0], px1, py1, px2, py2, num*3);
gtk_plot_flux_center(GTK_PLOT_FLUX(dataset[0]), FALSE);
gdk_color_parse("red", &color);
gdk_color_alloc(gdk_colormap_get_system(), &color);
gtk_plot_flux_set_arrow(GTK_PLOT_FLUX(dataset[0]), 0, 0, 0);
gtk_plot_data_set_symbol(dataset[0],
GTK_PLOT_SYMBOL_CIRCLE,
GTK_PLOT_SYMBOL_OPAQUE,
0,1, &color, &color);
gtk_plot_data_set_line_attributes(dataset[0],
GTK_PLOT_LINE_NONE,
0, &color);
gtk_plot_data_set_legend(dataset[0], "Delaunay triangulization");
}
void
build_example1(GtkWidget *active_plot)
{
GdkColor color;
static gdouble px1[]={0., 0.2, 0.4, 0.6, 0.8, 1.0};
static gdouble py1[]={.2, .4, .5, .35, .30, .40};
static gdouble px2[]={.12, .22, .27, .12, .052, .42};
static gdouble py2[]={.0, .05, .12, .22, .16, .1};
/*
static gdouble px1[]={0., 0.2, 0.4, 0.6, 0.8, 1.0};
static gdouble py1[]={.2, .4, .5, .35, .30, .40};
static gdouble px2[]={.02, 0, -.02, 0, .052, .42};
static gdouble py2[]={.0, .05, .0, -0.02, .16, .1};
*/
dataset[0] = GTK_PLOT_DATA(gtk_plot_flux_new());
gtk_plot_add_data(GTK_PLOT(active_plot), dataset[0]);
gtk_widget_show(GTK_WIDGET(dataset[0]));
gtk_plot_data_set_points(dataset[0], px1, py1, px2, py2, 6);
gtk_plot_flux_set_size_max(GTK_PLOT_FLUX(dataset[0]), 50);
gtk_plot_flux_set_scale_max(GTK_PLOT_FLUX(dataset[0]), 0.5);
/*
gtk_plot_flux_set_labels_prefix(GTK_PLOT_FLUX(dataset[0]), "A");
gtk_plot_flux_set_labels_suffix(GTK_PLOT_FLUX(dataset[0]), "B");
*/
/*
gtk_plot_flux_center(GTK_PLOT_FLUX(dataset[0]), FALSE);
*/
gdk_color_parse("red", &color);
gdk_color_alloc(gdk_colormap_get_system(), &color);
gtk_plot_data_set_symbol(dataset[0],
GTK_PLOT_SYMBOL_NONE,
GTK_PLOT_SYMBOL_OPAQUE,
10, 2, &color, &color);
gtk_plot_data_set_line_attributes(dataset[0],
GTK_PLOT_LINE_NONE,
0, 0, 1, &color);
gtk_plot_data_set_legend(dataset[0], "Flux");
}
