int get_temp_coords(topview * t, int level, int v, double *coord_x,
double *coord_y)
{
Hierarchy *hp = t->fisheyeParams.h;
ex_vtx_data *gg = hp->geom_graphs[level];
/* v_data *g = hp->graphs[level]; */
if (!t->fisheyeParams.animate) {
if (gg[v].active_level != level)
return 0;
*coord_x = (double) gg[v].physical_x_coord;
*coord_y = (double) gg[v].physical_y_coord;
} else {
double x0, y0, x1, y1;
int OAL, AL;
x0 = 0;
y0 = 0;
x1 = 0;
y1 = 0;
AL = gg[v].active_level;
OAL = gg[v].old_active_level;
if ((OAL < level) || (AL < level)) //no draw
return 0;
if ((OAL >= level) || (AL >= level)) //draw the node
{
if ((OAL == level) && (AL == level)) //draw as is from old coords to new)
{
x0 = (double) gg[v].old_physical_x_coord;
y0 = (double) gg[v].old_physical_y_coord;
x1 = (double) gg[v].physical_x_coord;
y1 = (double) gg[v].physical_y_coord;
}
if ((OAL > level) && (AL == level)) //draw as from ancs to new)
{
find_old_physical_coords(t->fisheyeParams.h, level, v, &x0, &y0);
x1 = (double) gg[v].physical_x_coord;
y1 = (double) gg[v].physical_y_coord;
}
if ((OAL == level) && (AL > level)) //draw as from ancs to new)
{
find_physical_coords(t->fisheyeParams.h, level, v, &x1, &y1);
x0 = (double) gg[v].old_physical_x_coord;
y0 = (double) gg[v].old_physical_y_coord;
}
get_interpolated_coords(x0, y0, x1, y1, view->active_frame,
view->total_frames, coord_x, coord_y);
if ((x0 == 0) || (x1 == 0))
return 0;
}
}
return 1;
}
void drawtopologicalfisheye(topview * t)
{
int level, v, i, n;
float R,G,B;
Hierarchy *hp = t->h;
//draw only nodes and super nodes
glPointSize(5);
glBegin(GL_POINTS);
for (level = 0; level < hp->nlevels; level++)
{
for (v = 0; v < hp->nvtxs[level]; v++)
{
ex_vtx_data *gg = hp->geom_graphs[level];
if (gg[v].active_level == level)
{
double x0,y0;
t->animate=0;
get_temp_coords(t,level,v,&x0,&y0,&R,&G,&B);
glColor3f((GLfloat) (hp->nlevels - level) /
(GLfloat) hp->nlevels,
(GLfloat) level / (GLfloat) hp->nlevels, 0);
glVertex3f((GLfloat) x0, (GLfloat) y0, (GLfloat) 0);
t->animate=1;
}
}
}
glEnd();
//draw edges
glBegin(GL_LINES);
for (level = 0; level < hp->nlevels; level++)
{
for (v = 0; v < hp->nvtxs[level]; v++)
{
ex_vtx_data *gg = hp->geom_graphs[level];
v_data *g = hp->graphs[level];
if (gg[v].active_level == level)
{
double x0,y0;
get_temp_coords(t,level,v,&x0,&y0,&R,&G,&B);
for (i = 1; i < g[v].nedges; i++)
{
double x, y;
n = g[v].edges[i];
glColor3f((GLfloat) (hp->nlevels - level) /
(GLfloat) hp->nlevels,
(GLfloat) level / (GLfloat) hp->nlevels, 0);
if (gg[n].active_level == level)
{
if (v < n)
{
get_temp_coords(t,level,n,&x,&y,&R,&G,&B);
glVertex3f((GLfloat) x0, (GLfloat) y0,(GLfloat) 0);
glVertex3f((GLfloat) x, (GLfloat) y,(GLfloat) 0);
}
}
else if (gg[n].active_level > level)
{
find_physical_coords(hp, level, n, &x, &y);
glVertex3f((GLfloat) x0, (GLfloat) y0,(GLfloat) 0);
glVertex3f((GLfloat) x, (GLfloat) y, (GLfloat) 0);
}
}
}
}
}
glEnd();
}
int get_temp_coords(topview* t,int level,int v,double* coord_x,double* coord_y,float *R,float *G,float *B)
{
Hierarchy *hp = t->h;
ex_vtx_data *gg = hp->geom_graphs[level];
/* v_data *g = hp->graphs[level]; */
int OAL,AL;
OAL=gg[v].old_active_level;
AL=gg[v].active_level;
/*if ((OAL > level) && (AL>level))
return 0;*/
if ((OAL < level) && (AL<level))
return 0;
if (!t->animate)
{
if (AL == level)
{
*coord_x=(double)gg[v].physical_x_coord;
*coord_y=(double)gg[v].physical_y_coord;
return 1;
}
else
return 0;
}
else
{
double x0,y0,x1,y1;
x0=0;
y0=0;
x1=0;
y1=0;
get_active_frame(t);
if ((OAL == level) && (AL==level))
{
x0=(double)gg[v].old_physical_x_coord;
y0=(double)gg[v].old_physical_y_coord;
x1=(double)gg[v].physical_x_coord;
y1=(double)gg[v].physical_y_coord;
*G=0;
*R=1;
}
if ((OAL == level) && (AL>level))
{
x0=(double)gg[v].old_physical_x_coord;
y0=(double)gg[v].old_physical_y_coord;
find_physical_coords(t->h,level,v,&x1,&y1);
*G=view->active_frame/view->total_frames;
*R=0;
}
if ((OAL > level) && (AL==level))
{
find_old_physical_coords(t->h,level,v,&x0,&y0);
x1=(double)gg[v].physical_x_coord;
y1=(double)gg[v].physical_y_coord;
*R=view->active_frame/view->total_frames;
*G=1/(view->active_frame/view->total_frames+0.0000001);
}
if ((OAL > level) && (AL>level))
{
find_old_physical_coords(t->h,level,v,&x0,&y0);
find_physical_coords(t->h,level,v,&x1,&y1);
*G=1;
*R=0;
}
get_interpolated_coords(x0,y0,x1,y1,view->active_frame,view->total_frames,coord_x,coord_y);
return 1;
}
return 0;
}