/* To use:
* double* x_coords; // initial x coordinates
* double* y_coords; // initial y coordinates
* focus_t* fs;
* int ne;
* v_data* graph = makeGraph (topview*, &ne);
* hierarchy = makeHier(topview->NodeCount, ne, graph, x_coords, y_coords);
* freeGraph (graph);
* fs = initFocus (topview->Nodecount); // create focus set
*/
void prepare_topological_fisheye(topview* t)
{
double *x_coords = N_NEW(t->Nodecount, double); // initial x coordinates
double *y_coords = N_NEW(t->Nodecount, double); // initial y coordinates
focus_t *fs;
int ne;
int i;
int closest_fine_node;
int cur_level = 0;
Hierarchy *hp;
ex_vtx_data *gg;
topview_node *np;
v_data *graph = makeGraph(t, &ne);
// t->animate=1; //turn the animation on
for (i = 0, np = t->Nodes; i < t->Nodecount; i++, np++) {
x_coords[i] = np->x;
y_coords[i] = np->y;
}
hp = t->h =
makeHier(t->Nodecount, ne, graph, x_coords, y_coords, &(t->parms.hier));
freeGraph(graph);
free(x_coords);
free(y_coords);
fs = t->fs = initFocus(t->Nodecount); // create focus set
gg = hp->geom_graphs[0];
closest_fine_node = 0; /* first node */
fs->num_foci = 1;
fs->foci_nodes[0] = closest_fine_node;
fs->x_foci[0] = hp->geom_graphs[cur_level][closest_fine_node].x_coord;
fs->y_foci[0] = hp->geom_graphs[cur_level][closest_fine_node].y_coord;
view->Topview->parms.repos.width =(int) (view->bdxRight-view->bdxLeft);
view->Topview->parms.repos.height =(int) (view->bdyTop-view->bdyBottom);
set_active_levels(hp, fs->foci_nodes, fs->num_foci, &(t->parms.level));
positionAllItems(hp, fs, &(t->parms.repos));
refresh_old_values(t);
/* fprintf (stderr, "No. of active nodes = %d\n", count_active_nodes(hp)); */
}
/* To use:
* double* x_coords; // initial x coordinates
* double* y_coords; // initial y coordinates
* focus_t* fs;
* int ne;
* v_data* graph = makeGraph (topview*, &ne);
* hierarchy = makeHier(topview->NodeCount, ne, graph, x_coords, y_coords);
* freeGraph (graph);
* fs = initFocus (topview->Nodecount); // create focus set
*/
void prepare_topological_fisheye(Agraph_t* g,topview * t)
{
double *x_coords = N_NEW(t->Nodecount, double); // initial x coordinates
double *y_coords = N_NEW(t->Nodecount, double); // initial y coordinates
focus_t *fs;
int ne;
int i;
int closest_fine_node;
int cur_level = 0;
Hierarchy *hp;
ex_vtx_data *gg;
gvcolor_t cl;
Agnode_t *np;
v_data *graph = makeGraph(g, &ne);
// t->fisheyeParams.animate=1; //turn the animation on
i=0;
for (np = agfstnode(g); np; np = agnxtnode(g, np))
{
x_coords[i]=ND_A(np).x;
y_coords[i]=ND_A(np).y;
i++;
}
hp = t->fisheyeParams.h =
makeHier(agnnodes(g), ne, graph, x_coords, y_coords,
&(t->fisheyeParams.hier));
freeGraph(graph);
free(x_coords);
free(y_coords);
fs = t->fisheyeParams.fs = initFocus(agnnodes(g)); // create focus set
gg = hp->geom_graphs[0];
closest_fine_node = 0; /* first node */
fs->num_foci = 1;
fs->foci_nodes[0] = closest_fine_node;
fs->x_foci[0] = hp->geom_graphs[cur_level][closest_fine_node].x_coord;
fs->y_foci[0] = hp->geom_graphs[cur_level][closest_fine_node].y_coord;
view->Topview->fisheyeParams.repos.width =
(int) (view->bdxRight - view->bdxLeft);
view->Topview->fisheyeParams.repos.height =
(int) (view->bdyTop - view->bdyBottom);
view->Topview->fisheyeParams.repos.rescale = Polar;
//topological fisheye
colorxlate(get_attribute_value
("topologicalfisheyefinestcolor", view,
view->g[view->activeGraph]), &cl, RGBA_DOUBLE);
view->Topview->fisheyeParams.srcColor.R = (float) cl.u.RGBA[0];
view->Topview->fisheyeParams.srcColor.G = (float) cl.u.RGBA[1];
view->Topview->fisheyeParams.srcColor.B = (float) cl.u.RGBA[2];
colorxlate(get_attribute_value
("topologicalfisheyecoarsestcolor", view,
view->g[view->activeGraph]), &cl, RGBA_DOUBLE);
view->Topview->fisheyeParams.tarColor.R = (float) cl.u.RGBA[0];
view->Topview->fisheyeParams.tarColor.G = (float) cl.u.RGBA[1];
view->Topview->fisheyeParams.tarColor.B = (float) cl.u.RGBA[2];
sscanf(agget
(view->g[view->activeGraph],
"topologicalfisheyedistortionfactor"), "%lf",
&view->Topview->fisheyeParams.repos.distortion);
sscanf(agget
(view->g[view->activeGraph], "topologicalfisheyefinenodes"),
"%d", &view->Topview->fisheyeParams.level.num_fine_nodes);
sscanf(agget
(view->g[view->activeGraph],
"topologicalfisheyecoarseningfactor"), "%lf",
&view->Topview->fisheyeParams.level.coarsening_rate);
sscanf(agget
(view->g[view->activeGraph], "topologicalfisheyedist2limit"),
"%d", &view->Topview->fisheyeParams.hier.dist2_limit);
sscanf(agget(view->g[view->activeGraph], "topologicalfisheyeanimate"),
"%d", &view->Topview->fisheyeParams.animate);
set_active_levels(hp, fs->foci_nodes, fs->num_foci, &(t->fisheyeParams.level));
positionAllItems(hp, fs, &(t->fisheyeParams.repos));
refresh_old_values(t);
/* fprintf (stderr, "No. of active nodes = %d\n", count_active_nodes(hp)); */
}
