/* Expects a 2 column matrix with the X and Y coefficients for each var */
USER_OBJECT_
RS_GGOBI(setTourProjection)(USER_OBJECT_ s_display, USER_OBJECT_ s_mode_name,
USER_OBJECT_ matrix)
{
displayd *display = toDisplay(s_display);
ProjectionMode mode = GGOBI(getPModeId)(asCString(s_mode_name));
gint k, n;
gdouble *x = NULL, *y = NULL;
g_return_val_if_fail(GGOBI_IS_DISPLAY(display), NULL_USER_OBJECT);
RS_INTERNAL_GGOBI(getTourVectorsFromMode)(display, mode, &x, &y);
g_return_val_if_fail(x != NULL, NULL_USER_OBJECT);
n = display->d->ncols;
for (k = 0; k < n; k++) {
x[k] = REAL(matrix)[k];
if (y)
y[k] = REAL(matrix)[k+n];
}
display_tailpipe (display, FULL, display->ggobi);
varcircles_refresh (display->d, display->ggobi);
return NULL_USER_OBJECT;
}
void tour1d_reinit(GGobiSession *gg)
{
gint i, j;
displayd *dsp = gg->current_display;
GGobiStage *d = dsp->d;
splotd *sp = gg->current_splot;
for (i=0; i<1; i++) {
for (j=0; j<d->n_cols; j++) {
dsp->t1d.Fa.vals[i][j] = 0.;
dsp->t1d.F.vals[i][j] = 0.;
}
dsp->t1d.Fa.vals[i][dsp->t1d.active_vars.els[i]] = 1.;
dsp->t1d.F.vals[i][dsp->t1d.active_vars.els[i]] = 1.;
}
/* Reinits the vertical height for the ashes */
sp->tour1d.initmax = true;
dsp->t1d.get_new_target = true;
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
if (dsp->t1d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t1d_window))
t1d_pp_reinit(dsp, gg);
}
void tour1d_scramble(GGobiSession *gg)
{
int i, j;
displayd *dsp = gg->current_display;
GGobiStage *d = dsp->d;
gint nc = d->n_cols;
for (i=0; i<1; i++)
for (j=0; j<nc; j++)
dsp->t1d.Fa.vals[i][j] = dsp->t1d.Fz.vals[i][j] =
dsp->t1d.F.vals[i][j] = dsp->t1d.Ga.vals[i][j] =
dsp->t1d.Gz.vals[i][j] = 0.0;
gt_basis(dsp->t1d.Fa, dsp->t1d.nactive, dsp->t1d.active_vars,
d->n_cols, (gint) 1);
arrayd_copy(&dsp->t1d.Fa, &dsp->t1d.F);
/* copy_mat(dsp->t1d.F.vals, dsp->t1d.Fa.vals, d->n_cols, 1);*/
dsp->t1d.get_new_target = true;
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
if (dsp->t1d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t1d_window))
t1d_pp_reinit(dsp, gg);
}
void
tour1d_manip(gint p1, gint p2, splotd *sp, GGobiSession *gg)
{
displayd *dsp = (displayd *) sp->displayptr;
GGobiStage *d = dsp->d;
cpaneld *cpanel = &dsp->cpanel;
gdouble xcosphi=1., xsinphi=0.;
gdouble distx, disty;
gdouble denom = MIN(sp->max.x, sp->max.y)/2.;
gint actual_nxvars = dsp->t1d.nactive;
gint j;
gboolean offscreen = false;
gboolean pp_problem = false;
/* check if off the plot window */
if (p1 > sp->max.x || p1 < 0 ||
p2 > sp->max.y || p2 <0)
offscreen = true;
if (dsp->t1d_manipvar_inc)
actual_nxvars = dsp->t1d.nactive-1;
if (!offscreen) {
dsp->t1d_pos_old = dsp->t1d_pos;
dsp->t1d_pos = p1;
if (actual_nxvars > 0)
{
if (cpanel->t1d.vert)
{
distx = 0.;
disty = dsp->tc2_pos_old - dsp->tc2_pos;
}
else
{
distx = dsp->t1d_pos - dsp->t1d_pos_old;
disty = 0.;
}
dsp->t1d_phi = dsp->t1d_phi + distx / denom;
xcosphi = (gdouble) cos((gdouble) dsp->t1d_phi);
xsinphi = (gdouble) sin((gdouble) dsp->t1d_phi);
if (xcosphi > 1.0)
{
xcosphi = 1.0;
xsinphi = 0.0;
}
else if (xcosphi < -1.0)
{
xcosphi = -1.0;
xsinphi = 0.0;
}
}
/* generate the projection basis */
if (actual_nxvars > 0)
{
for (j=0; j<d->n_cols; j++)
dsp->t1d.F.vals[0][j] = xcosphi * dsp->t1d_manbasis.vals[0][j] +
xsinphi * dsp->t1d_manbasis.vals[1][j];
}
/* plot pp index */
/* if (dsp->t1d_ppda != NULL) {*/
if (dsp->t1d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t1d_window)) {
dsp->t1d.oppval = dsp->t1d.ppval;
pp_problem = t1d_switch_index(cpanel->t1d.pp_indx,
0, dsp, gg);
t1d_ppdraw(dsp->t1d.ppval, dsp, gg);
}
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
}
else {
disconnect_motion_signal (sp);
arrayd_copy(&dsp->t1d.F, &dsp->t1d.Fa);
/* copy_mat(dsp->t1d.Fa.vals, dsp->t1d.F.vals, d->n_cols, 1);*/
dsp->t1d.get_new_target = true;
if (!cpanel->t1d.paused)
tour1d_func(T1DON, gg->current_display, gg);
}
}
void
tour1d_run(displayd *dsp, GGobiSession *gg)
{
GGobiStage *d = dsp->d;
cpaneld *cpanel = &dsp->cpanel;
/* static gint count = 0;*/
gboolean revert_random = false;
gint pathprob = 0;
gint i, nv;
extern void t1d_ppdraw_think(displayd *, GGobiSession *);
/* Controls interpolation steps */
if (!dsp->t1d.get_new_target &&
!reached_target(dsp->t1d.tang, dsp->t1d.dist_az,
dsp->t1d.target_selection_method,&dsp->t1d.ppval, &dsp->t1d.oppval)) {
increment_tour(dsp->t1d.tinc, dsp->t1d.tau, dsp->t1d.dist_az,
dsp->t1d.delta, &dsp->t1d.tang, (gint) 1);
tour_reproject(dsp->t1d.tinc, dsp->t1d.G, dsp->t1d.Ga, dsp->t1d.Gz,
dsp->t1d.F, dsp->t1d.Va, d->n_cols, (gint) 1);
/* plot pp indx */
if (dsp->t1d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t1d_window)) {
/* if (dsp->t1d_ppda != NULL) {*/
dsp->t1d.oppval = dsp->t1d.ppval;
revert_random = t1d_switch_index(cpanel->t1d.pp_indx,
0, dsp, gg);
t1d_ppdraw(dsp->t1d.ppval, dsp, gg);
}
}
else { /* we're at the target plane */
if (dsp->t1d.get_new_target) { /* store the pp parameters */
if (dsp->t1d.target_selection_method == TOUR_PP)
{
/* dsp->t1d_pp_op.index_best = dsp->t1d.ppval;
for (j=0; j<dsp->t1d.nactive; j++)
dsp->t1d_pp_op.proj_best.vals[0][j] =
dsp->t1d.F.vals[0][dsp->t1d.active_vars.els[j]];*/
}
}
else
{ /* make sure the ending projection is the same as the target */
if (dsp->t1d.target_selection_method == TOUR_RANDOM)
{
do_last_increment(dsp->t1d.tinc, dsp->t1d.tau,
dsp->t1d.dist_az, (gint) 1);
tour_reproject(dsp->t1d.tinc, dsp->t1d.G, dsp->t1d.Ga, dsp->t1d.Gz,
dsp->t1d.F, dsp->t1d.Va, d->n_cols, (gint) 1);
}
}
/* now cleanup: store the current basis into the starting basis */
arrayd_copy(&dsp->t1d.F, &dsp->t1d.Fa);
nv = 0;
for (i=0; i<d->n_cols; i++)
if (fabs(dsp->t1d.Fa.vals[0][i]) > 0.01) {
nv++;
}
if (nv == 1 && dsp->t1d.nactive == 1) /* only generate new dir if num of
active/used variables is > 2 */
dsp->t1d.get_new_target = true;
else {
if (dsp->t1d.target_selection_method == TOUR_RANDOM) {
gt_basis(dsp->t1d.Fz, dsp->t1d.nactive, dsp->t1d.active_vars,
d->n_cols, (gint) 1);
}
else if (dsp->t1d.target_selection_method == TOUR_PP) {
/* pp guided tour */
/* get new target according to the selected pp index */
for (i=0; i<d->n_cols; i++)
dsp->t1d.Fz.vals[0][i] = 0.0;
dsp->t1d.Fz.vals[0][dsp->t1d.active_vars.els[0]]=1.0;
dsp->t1d.oppval = -1.0;
t1d_ppdraw_think(dsp, gg);
gdk_flush ();
revert_random = t1d_switch_index(cpanel->t1d.pp_indx,
dsp->t1d.target_selection_method, dsp, gg);
if (!revert_random) {
for (i=0; i<dsp->t1d.nactive; i++) {
if (isfinite((gdouble)dsp->t1d_pp_op.proj_best.vals[0][i]) != 0)
dsp->t1d.Fz.vals[0][dsp->t1d.active_vars.els[i]] =
dsp->t1d_pp_op.proj_best.vals[0][i];
}
dsp->t1d_pp_op.index_best = 0.0;
/*g_printerr ("tour_run:index_best %f temp %f \n", dsp->t1d_pp_op.index_best, dsp->t1d_pp_op.temp);
g_printerr ("proj: ");
for (i=0; i<dsp->t1d_pp_op.proj_best.ncols; i++) g_printerr ("%f ", dsp->t1d_pp_op.proj_best.vals[0][i]);
g_printerr ("\n");*/
/* if the best projection is the same as the previous one, switch
to a random projection */
/* if (!checkequiv(dsp->t1d.Fa.vals, dsp->t1d.Fz.vals, d->n_cols, 1)) {
g_printerr ("Using random projection\n");
gt_basis(dsp->t1d.Fz, dsp->t1d.nactive, dsp->t1d.active_vars,
d->n_cols, (gint) 1);
for (j=0; j<dsp->t1d.nactive; j++)
dsp->t1d_pp_op.proj_best.vals[0][j] =
dsp->t1d.Fz.vals[0][dsp->t1d.active_vars.els[j]];
revert_random = t1d_switch_index(cpanel->t1d.pp_indx,
dsp->t1d.target_selection_method, dsp, gg);
}*/
/* t1d_ppdraw(dsp->t1d.ppval, dsp, gg);*/
/* count = 0;*/
ggobi_sleep(0);
}
else /* Use random target */
{
/* gt_basis(dsp->t1d.Fz, dsp->t1d.nactive, dsp->t1d.active_vars,
d->n_cols, (gint) 1);
g_printerr ("Using random projection 2\n");*/
}
}
pathprob = tour_path(dsp->t1d.Fa, dsp->t1d.Fz, dsp->t1d.F, d->n_cols,
(gint) 1, dsp->t1d.Ga, dsp->t1d.Gz, dsp->t1d.G,
dsp->t1d.lambda, dsp->t1d.tv, dsp->t1d.Va,
dsp->t1d.Vz, dsp->t1d.tau, dsp->t1d.tinc,
&dsp->t1d.dist_az, &dsp->t1d.tang);
if (pathprob == 0)
dsp->t1d.get_new_target = false;
else if (pathprob == 1) { /* problems with Fa so need to force a jump */
tour1d_scramble(gg);
pathprob = tour_path(dsp->t1d.Fa, dsp->t1d.Fz, dsp->t1d.F, d->n_cols,
(gint) 1, dsp->t1d.Ga,
dsp->t1d.Gz, dsp->t1d.G, dsp->t1d.lambda, dsp->t1d.tv, dsp->t1d.Va,
dsp->t1d.Vz, dsp->t1d.tau, dsp->t1d.tinc,
&dsp->t1d.dist_az, &dsp->t1d.tang);
}
else if (pathprob == 2 || pathprob == 3) { /* problems with Fz,
so will force a new choice of Fz */
dsp->t1d.get_new_target = true;
}
}
}
/* tour_reproject(dsp, 2);*/
#ifdef TESTING_TOUR_STEP
{
GGobiDisplayClass *klass;
klass = GGOBI_DISPLAY_GET_CLASS(dsp);
g_signal_emit(G_OBJECT(dsp),
klass->signals[TOUR_STEP_SIGNAL], 0, dsp->t1d,
(gint) 1, gg);
}
#endif
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
if (dsp->t1d_video) tour1d_write_video(gg);
}
