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/* tour2d.c */
/*
* ggobi
* Copyright (C) AT&T, Duncan Temple Lang, Dianne Cook 1999-2005
*
* ggobi is free software; you may use, redistribute, and/or modify it
* under the terms of the Common Public License, which is distributed
* with the source code and displayed on the ggobi web site,
* www.ggobi.org. For more information, contact the authors:
*
* Deborah F. Swayne dfs@research.att.com
* Di Cook dicook@iastate.edu
* Duncan Temple Lang duncan@wald.ucdavis.edu
* Andreas Buja andreas.buja@wharton.upenn.edu
*/
#include <gtk/gtk.h>
#ifdef USE_STRINGS_H
#include <strings.h>
#endif
#define __USE_ISOC99
#include <math.h>
#include <stdlib.h>
#include <unistd.h>
#include "vars.h"
#include "externs.h"
#include "tour_pp.h"
#include "tour2d_pp.h"
#define T2DON true
#define T2DOFF false
static void tour2d_speed_set_display(gfloat slidepos, displayd *dsp);
void tour2d_write_video(ggobid *gg);
void
display_tour2d_init_null (displayd *dsp, ggobid *gg)
{
arrayd_init_null(&dsp->t2d.Fa);
arrayd_init_null(&dsp->t2d.Fz);
arrayd_init_null(&dsp->t2d.F);
arrayd_init_null(&dsp->t2d.Ga);
arrayd_init_null(&dsp->t2d.Gz);
arrayd_init_null(&dsp->t2d.G);
arrayd_init_null(&dsp->t2d.Va);
arrayd_init_null(&dsp->t2d.Vz);
arrayd_init_null(&dsp->t2d.tv);
vectori_init_null(&dsp->t2d.subset_vars);
vectorb_init_null(&dsp->t2d.subset_vars_p);
vectori_init_null(&dsp->t2d.active_vars);
vectorb_init_null(&dsp->t2d.active_vars_p);
vectorf_init_null(&dsp->t2d.lambda);
vectorf_init_null(&dsp->t2d.tau);
vectorf_init_null(&dsp->t2d.tinc);
/* manipulation variables */
arrayd_init_null(&dsp->t2d_Rmat1);
arrayd_init_null(&dsp->t2d_Rmat2);
arrayd_init_null(&dsp->t2d_mvar_3dbasis);
arrayd_init_null(&dsp->t2d_manbasis);
}
void
alloc_tour2d (displayd *dsp, ggobid *gg)
{
GGobiData *d = dsp->d;
gint nc = d->ncols;
/* first index is the projection dimensions, second dimension is ncols */
arrayd_alloc(&dsp->t2d.Fa, 2, nc);
arrayd_alloc(&dsp->t2d.Fz, 2, nc);
arrayd_alloc(&dsp->t2d.F, 2, nc);
arrayd_alloc(&dsp->t2d.Ga, 2, nc);
arrayd_alloc(&dsp->t2d.Gz, 2, nc);
arrayd_alloc(&dsp->t2d.G, 2, nc);
arrayd_alloc(&dsp->t2d.Va, 2, nc);
arrayd_alloc(&dsp->t2d.Vz, 2, nc);
arrayd_alloc(&dsp->t2d.tv, 2, nc);
vectori_alloc(&dsp->t2d.subset_vars, nc);
vectorb_alloc_zero(&dsp->t2d.subset_vars_p, nc);
vectori_alloc(&dsp->t2d.active_vars, nc);
vectorb_alloc_zero(&dsp->t2d.active_vars_p, nc);
vectorf_alloc(&dsp->t2d.lambda, nc);
vectorf_alloc_zero(&dsp->t2d.tau, nc);
vectorf_alloc(&dsp->t2d.tinc, nc);
/* manipulation variables */
arrayd_alloc(&dsp->t2d_Rmat1, 3, 3);
arrayd_alloc(&dsp->t2d_Rmat2, 3, 3);
arrayd_alloc(&dsp->t2d_mvar_3dbasis, 3, 3);
arrayd_alloc(&dsp->t2d_manbasis, 3, nc);
}
/*-- eliminate the nc columns contained in *cols --*/
void
tour2d_realloc_down (gint nc, gint *cols, GGobiData *d, ggobid *gg)
{
displayd *dsp;
GList *l;
for (l=gg->displays; l; l=l->next) {
dsp = (displayd *) l->data;
if (dsp->d == d) {
arrayd_delete_cols (&dsp->t2d.Fa, nc, cols);
arrayd_delete_cols (&dsp->t2d.Fz, nc, cols);
arrayd_delete_cols (&dsp->t2d.F, nc, cols);
arrayd_delete_cols (&dsp->t2d.Ga, nc, cols);
arrayd_delete_cols (&dsp->t2d.Gz, nc, cols);
arrayd_delete_cols (&dsp->t2d.G, nc, cols);
arrayd_delete_cols (&dsp->t2d.Va, nc, cols);
arrayd_delete_cols (&dsp->t2d.Vz, nc, cols);
arrayd_delete_cols (&dsp->t2d.tv, nc, cols);
vectori_delete_els (&dsp->t2d.subset_vars, nc, cols);
vectorb_delete_els (&dsp->t2d.subset_vars_p, nc, cols);
vectori_delete_els (&dsp->t2d.active_vars, nc, cols);
vectorb_delete_els (&dsp->t2d.active_vars_p, nc, cols);
vectorf_delete_els (&dsp->t2d.lambda, nc, cols);
vectorf_delete_els (&dsp->t2d.tau, nc, cols);
vectorf_delete_els (&dsp->t2d.tinc, nc, cols);
arrayd_delete_cols (&dsp->t2d_manbasis, (gint) nc, cols);
}
}
}
void
free_tour2d(displayd *dsp)
{
vectori_free(&dsp->t2d.subset_vars);
vectorb_free(&dsp->t2d.subset_vars_p);
vectori_free(&dsp->t2d.active_vars);
vectorb_free(&dsp->t2d.active_vars_p);
vectorf_free(&dsp->t2d.lambda);
vectorf_free(&dsp->t2d.tau);
vectorf_free(&dsp->t2d.tinc);
arrayd_free(&dsp->t2d.Fa, 0, 0);
arrayd_free(&dsp->t2d.Fz, 0, 0);
arrayd_free(&dsp->t2d.F, 0, 0);
arrayd_free(&dsp->t2d.Ga, 0, 0);
arrayd_free(&dsp->t2d.Gz, 0, 0);
arrayd_free(&dsp->t2d.G, 0, 0);
arrayd_free(&dsp->t2d.Va, 0, 0);
arrayd_free(&dsp->t2d.Vz, 0, 0);
arrayd_free(&dsp->t2d.tv, 0, 0);
arrayd_free(&dsp->t2d_Rmat1, 0, 0);
arrayd_free(&dsp->t2d_Rmat2, 0, 0);
arrayd_free(&dsp->t2d_mvar_3dbasis, 0, 0);
arrayd_free(&dsp->t2d_manbasis, 0, 0);
}
void
display_tour2d_init (displayd *dsp, ggobid *gg) {
gint i, j;
GGobiData *d = dsp->d;
cpaneld *cpanel = &dsp->cpanel;
gint nc = d->ncols;
if (nc < MIN_NVARS_FOR_TOUR2D)
return;
alloc_tour2d(dsp, gg);
/* Initialize starting subset of active variables */
if (nc < 8) {
dsp->t2d.nsubset = dsp->t2d.nactive = nc;
for (j=0; j<nc; j++) {
dsp->t2d.subset_vars.els[j] = dsp->t2d.active_vars.els[j] = j;
dsp->t2d.subset_vars_p.els[j] = dsp->t2d.active_vars_p.els[j] = true;
}
}
else {
dsp->t2d.nsubset = dsp->t2d.nactive = 3;
for (j=0; j<3; j++) {
dsp->t2d.subset_vars.els[j] = dsp->t2d.active_vars.els[j] = j;
dsp->t2d.subset_vars_p.els[j] = dsp->t2d.active_vars_p.els[j] = true;
}
for (j=3; j<nc; j++) {
dsp->t2d.subset_vars.els[j] = dsp->t2d.active_vars.els[j] = 0;
dsp->t2d.subset_vars_p.els[j] = dsp->t2d.active_vars_p.els[j] = false;
}
}
/* declare starting base as first p chosen variables */
arrayd_zero (&dsp->t2d.Fa);
arrayd_zero (&dsp->t2d.Fz);
arrayd_zero (&dsp->t2d.F);
arrayd_zero (&dsp->t2d.Ga);
arrayd_zero (&dsp->t2d.Gz);
/*
for (i=0; i<2; i++)
for (j=0; j<nc; j++)
dsp->t2d.Fa.vals[i][j] = dsp->t2d.Fz.vals[i][j] =
dsp->t2d.F.vals[i][j] = dsp->t2d.Ga.vals[i][j] =
dsp->t2d.Gz.vals[i][j] = 0.0;
*/
for (i=0; i<2; i++) {
dsp->t2d.Fz.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.Fa.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.F.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.Ga.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.Gz.vals[i][dsp->t2d.active_vars.els[i]] = 1.0;
}
dsp->t2d.dist_az = 0.0;
dsp->t2d.delta = cpanel->t2d.step*M_PI_2/10.0;
dsp->t2d.tang = 0.0;
dsp->t2d.idled = 0;
dsp->t2d.get_new_target = true;
dsp->t2d_video = false;
/* manip */
dsp->t2d_manip_var = 0;
/* pp */
dsp->t2d.target_selection_method = TOUR_RANDOM;
dsp->t2d_ppda = NULL;
dsp->t2d_axes = true;
dsp->t2d_pp_op.temp_start = 1.0;
dsp->t2d_pp_op.cooling = 0.99;
tour2d_speed_set_display(sessionOptions->defaultTourSpeed, dsp);
}
void
tour2d_fade_vars (gboolean fade, ggobid *gg)
{
gg->tour2d.fade_vars = fade;
}
void
tour2d_all_vars (displayd *dsp)
{
ggobid *gg = dsp->ggobi;
GGobiData *d = dsp->d;
gint j;
//gg->tour2d.all_vars = !gg->tour2d.all_vars;
//if (gg->tour2d.all_vars)
//{
for (j=0; j<d->ncols; j++) {
dsp->t2d.subset_vars.els[j] = j;
dsp->t2d.active_vars.els[j] = j;
dsp->t2d.subset_vars_p.els[j] = true;
dsp->t2d.active_vars_p.els[j] = true;
}
dsp->t2d.nsubset = d->ncols;
dsp->t2d.nactive = d->ncols;
dsp->t2d.get_new_target = true;
zero_tau(dsp->t2d.tau, 2);
varcircles_visibility_set (dsp, gg);
varpanel_refresh (dsp, gg);
if (dsp->t2d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t2d_window)) {
free_optimize0_p(&dsp->t2d_pp_op);
alloc_optimize0_p(&dsp->t2d_pp_op, d->nrows_in_plot, dsp->t2d.nactive,
2);
free_pp(&dsp->t2d_pp_param);
alloc_pp(&dsp->t2d_pp_param, d->nrows_in_plot, dsp->t2d.nactive, 2);
t2d_pp_reinit(dsp, gg);
}
//}
}
void tour2d_speed_set(gfloat slidepos, ggobid *gg) {
displayd *dsp = gg->current_display;
tour2d_speed_set_display(slidepos, dsp);
}
static void tour2d_speed_set_display(gfloat slidepos, displayd *dsp)
{
cpaneld *cpanel;
if (dsp) {
cpanel = &dsp->cpanel;
if (cpanel) {
cpanel->t2d.slidepos = slidepos;
speed_set(slidepos, &cpanel->t2d.step, &dsp->t2d.delta);
}
}
}
void tour2d_pause (cpaneld *cpanel, gboolean state, displayd *dsp, ggobid *gg)
{
gboolean pausedp = cpanel->t2d.paused;
if (dsp == NULL)
return;
cpanel->t2d.paused = state;
/* This condition is experimental and is used to avoid the case
where we have an XY plot in paused tour mode and we create a new
plot. When that happens, the initialization of that new plot in
cpanel_tour2d_set sets the pause button which triggers this
routine to be invoked as part of the callback. Since the paused
state is 0, we end up calling tour2d_func with state = 1 which
means turn it on. And so the tour is active for that new
display! And we consume CPU cycles galore. DTL. */
/* if(state == 0 && dsp->t2d.idled == 0) */
if(pausedp == 0 && state == 0 && dsp->t2d.idled == 0)
return;
tour2d_func (!cpanel->t2d.paused, dsp, gg);
if (cpanel->t2d.paused) {
/*-- whenever motion stops, we need a FULL redraw --*/
display_tailpipe (dsp, FULL, gg);
}
}
/*-- add/remove jvar to/from the subset of variables that <may> be active --*/
gboolean
tour2d_subset_var_set (gint jvar, GGobiData *d, displayd *dsp, ggobid *gg)
{
gboolean in_subset = dsp->t2d.subset_vars_p.els[jvar];
gint j, k;
gboolean changed = false;
/*
* require 3 variables in the subset, though only 2 are
* required in active_vars
*/
if (in_subset) {
if (dsp->t2d.nsubset > MIN_NVARS_FOR_TOUR2D) {
dsp->t2d.subset_vars_p.els[jvar] = false;
dsp->t2d.nsubset -= 1;
changed = true;
}
} else {
dsp->t2d.subset_vars_p.els[jvar] = true;
dsp->t2d.nsubset += 1;
changed = true;
}
/*-- reset subset_vars based on subset_vars_p --*/
if (changed) {
dsp->t2d_manipvar_inc = false;
for (j=0, k=0; j<d->ncols; j++)
if (dsp->t2d.subset_vars_p.els[j]) {
dsp->t2d.subset_vars.els[k++] = j;
if (j == dsp->t2d_manip_var)
dsp->t2d_manipvar_inc = true;
}
/*-- Manip var needs to be one of the active vars --*/
if (!dsp->t2d_manipvar_inc) {
dsp->t2d_manip_var = dsp->t2d.subset_vars.els[0];
}
zero_tau(dsp->t2d.tau, 2);
dsp->t2d.get_new_target = true;
}
return changed;
}
/*-- add or remove jvar from the set of active variables --*/
void
tour2d_active_var_set (gint jvar, GGobiData *d, displayd *dsp, ggobid *gg)
{
gint j, jtmp, k;
gboolean in_subset = dsp->t2d.subset_vars_p.els[jvar];
gboolean active = dsp->t2d.active_vars_p.els[jvar];
/*
* This covers the case where we've just removed a variable
* from the subset and then called tour2d_active_var_set ..
* but the variable is already inactive, so we don't need to
* do anything.
*/
if (!active && !in_subset)
/**/return;
/* deselect var if t2d.nactive > 2 */
if (active) {
if (dsp->t2d.nactive > 2) {
for (j=0; j<dsp->t2d.nactive; j++) {
if (jvar == dsp->t2d.active_vars.els[j])
break;
}
if (j<dsp->t2d.nactive-1) {
for (k=j; k<dsp->t2d.nactive-1; k++) {
dsp->t2d.active_vars.els[k] = dsp->t2d.active_vars.els[k+1];
}
}
dsp->t2d.nactive--;
if (!gg->tour2d.fade_vars) /* set current position without sel var */
{
gt_basis(dsp->t2d.Fa, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 2);
arrayd_copy(&dsp->t2d.Fa, &dsp->t2d.F);
zero_tau(dsp->t2d.tau, 2);
}
dsp->t2d.active_vars_p.els[jvar] = false;
}
}
else { /* not active, so add the variable */
if (jvar > dsp->t2d.active_vars.els[dsp->t2d.nactive-1]) {
dsp->t2d.active_vars.els[dsp->t2d.nactive] = jvar;
}
else if (jvar < dsp->t2d.active_vars.els[0]) {
for (j=dsp->t2d.nactive; j>0; j--) {
dsp->t2d.active_vars.els[j] = dsp->t2d.active_vars.els[j-1];
}
dsp->t2d.active_vars.els[0] = jvar;
}
else {
jtmp = dsp->t2d.nactive;
for (j=0; j<dsp->t2d.nactive-1; j++) {
if (jvar > dsp->t2d.active_vars.els[j] &&
jvar < dsp->t2d.active_vars.els[j+1])
{
jtmp = j+1;
break;
}
}
for (j=dsp->t2d.nactive-1;j>=jtmp; j--)
dsp->t2d.active_vars.els[j+1] = dsp->t2d.active_vars.els[j];
dsp->t2d.active_vars.els[jtmp] = jvar;
}
dsp->t2d.nactive++;
dsp->t2d.active_vars_p.els[jvar] = true;
}
dsp->t2d.get_new_target = true;
/* Check if pp indices are being calculated, if so re-allocate
and re-initialize as necessary */
if (dsp->t2d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t2d_window)) {
free_optimize0_p(&dsp->t2d_pp_op);
alloc_optimize0_p(&dsp->t2d_pp_op, d->nrows_in_plot, dsp->t2d.nactive, 2);
free_pp(&dsp->t2d_pp_param);
alloc_pp(&dsp->t2d_pp_param, d->nrows_in_plot, dsp->t2d.nactive, 2);
t2d_pp_reinit(dsp, gg);
}
}
static void
tour2d_manip_var_set (gint j, ggobid *gg)
{
displayd *dsp = gg->current_display;
dsp->t2d_manip_var = j;
}
gboolean
tour2d_varsel (GtkWidget *w, gint jvar, gint toggle, gint mouse,
GGobiData *d, ggobid *gg)
{
displayd *dsp = gg->current_display;
gboolean changed = true;
if (GTK_IS_TOGGLE_BUTTON(w) || GTK_IS_BUTTON(w)) {
/*
* add/remove jvar to/from the subset of variables that <may> be active
*/
gboolean fade = gg->tour2d.fade_vars;
changed = tour2d_subset_var_set(jvar, d, dsp, gg);
if (changed) {
varcircles_visibility_set (dsp, gg);
/*-- Add/remove the variable to/from the active set, too. --*/
gg->tour2d.fade_vars = false;
tour2d_active_var_set (jvar, d, dsp, gg);
gg->tour2d.fade_vars = fade;
}
} else if (GTK_IS_DRAWING_AREA(w)) {
/*-- we don't care which button it is --*/
if (d->vcirc_ui.jcursor == GDK_HAND2) {
tour2d_manip_var_set (jvar, gg);
varcircles_cursor_set_default (d);
} else {
/*-- add or remove from set of active variables --*/
tour2d_active_var_set (jvar, d, dsp, gg);
/* if (dsp->t2d.target_selection_method == TOUR_PP)*/
}
}
return changed;
}
void
tour2d_projdata(splotd *sp, greal **world_data, GGobiData *d, ggobid *gg) {
gint i, j, m;
displayd *dsp = (displayd *) sp->displayptr;
greal precis = (greal) PRECISION1;
greal tmpf, maxx, maxy;
if (sp->tour2d.initmax) {
sp->tour2d.maxscreen = precis;
sp->tour2d.initmax = false;
}
tmpf = precis/sp->tour2d.maxscreen;
maxx = sp->tour2d.maxscreen;
maxy = sp->tour2d.maxscreen;
for (m=0; m<d->nrows_in_plot; m++)
{
i = d->rows_in_plot.els[m];
sp->planar[i].x = 0;
sp->planar[i].y = 0;
for (j=0; j<d->ncols; j++)
{
sp->planar[i].x += (greal)(dsp->t2d.F.vals[0][j]*world_data[i][j]);
sp->planar[i].y += (greal)(dsp->t2d.F.vals[1][j]*world_data[i][j]);
}
sp->planar[i].x *= tmpf;
sp->planar[i].y *= tmpf;
if (fabs(sp->planar[i].x) > maxx)
maxx = fabs(sp->planar[i].x);
if (fabs(sp->planar[i].y) > maxy)
maxy = fabs(sp->planar[i].y);
}
if ((maxx > precis) || (maxy > precis)) {
sp->tour2d.maxscreen = (maxx > maxy) ? maxx : maxy;
tmpf = precis/tmpf;
}
}
void tour2d_scramble(ggobid *gg)
{
displayd *dsp = gg->current_display;
GGobiData *d = dsp->d;
arrayd_zero (&dsp->t2d.Fa);
arrayd_zero (&dsp->t2d.Fz);
arrayd_zero (&dsp->t2d.F);
arrayd_zero (&dsp->t2d.Ga);
arrayd_zero (&dsp->t2d.Gz);
gt_basis(dsp->t2d.Fa, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 2);
arrayd_copy(&dsp->t2d.Fa, &dsp->t2d.F);
dsp->t2d.tau.els[0] = 0.0;
dsp->t2d.tau.els[1] = 0.0;
dsp->t2d.get_new_target = true;
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
}
void tour2d_snap(ggobid *gg)
{
displayd *dsp = gg->current_display;
splotd *sp = gg->current_splot;
GGobiData *d = dsp->d;
gint j;
gdouble rnge;
vartabled *vt;
for (j=0; j<d->ncols; j++) {
vt = vartable_element_get (j, d);
rnge = vt->lim.max - vt->lim.min;
fprintf(stdout,"%f %f %f %f \n", dsp->t2d.F.vals[0][j],
dsp->t2d.F.vals[1][j],dsp->t2d.F.vals[0][j]/rnge*sp->scale.x,
dsp->t2d.F.vals[1][j]/rnge*sp->scale.y);
}
}
void tour2d_video(ggobid *gg)
{
displayd *dsp = gg->current_display;
if (dsp == NULL)
return;
dsp->t2d_video = !dsp->t2d_video;
}
void tour2d_write_video(ggobid *gg)
{
displayd *dsp = gg->current_display;
splotd *sp = gg->current_splot;
GGobiData *d = dsp->d;
gint j;
vartabled *vt;
gdouble rnge;
/* g_printerr("%f %f\n",sp->scale.x, sp->scale.y);*/
for (j=0; j<d->ncols; j++) {
vt = vartable_element_get (j, d);
rnge = vt->lim.max - vt->lim.min;
fprintf(stdout,"%f %f %f %f\n", dsp->t2d.F.vals[0][j],
dsp->t2d.F.vals[1][j], dsp->t2d.F.vals[0][j]/rnge*sp->scale.x,
dsp->t2d.F.vals[1][j]/rnge*sp->scale.y);
/* g_printerr("%f %f %f %f\n", dsp->t2d.F.vals[0][j], dsp->t2d.F.vals[1][j],
vt->lim.min, vt->lim.max);*/
}
}
void
tour2d_run(displayd *dsp, ggobid *gg)
{
GGobiData *d = dsp->d;
cpaneld *cpanel = &dsp->cpanel;
gint i, j, nv;
/* static gint count = 0;*/
gboolean revert_random = false;
gint k;
gboolean chosen;
gfloat eps = .01;
gint pathprob = 0;
extern void t2d_ppdraw_think(displayd *,ggobid *);
/* Need to see why ppval goes down even though optimize is on. */
/* Controls interpolation steps */
if (!dsp->t2d.get_new_target &&
!reached_target(dsp->t2d.tang, dsp->t2d.dist_az,
dsp->t2d.target_selection_method, &dsp->t2d.ppval, &dsp->t2d.oppval)) {
increment_tour(dsp->t2d.tinc, dsp->t2d.tau, dsp->t2d.dist_az,
dsp->t2d.delta, &dsp->t2d.tang, (gint) 2);
tour_reproject(dsp->t2d.tinc, dsp->t2d.G, dsp->t2d.Ga, dsp->t2d.Gz,
dsp->t2d.F, dsp->t2d.Va, d->ncols, (gint) 2);
/* plot pp indx */
if (dsp->t2d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t2d_window)) {
/* if (dsp->t2d_ppda != NULL) {*/
dsp->t2d.oppval = dsp->t2d.ppval;
revert_random = t2d_switch_index(cpanel->t2d, 0, dsp, gg);
t2d_ppdraw(dsp->t2d.ppval, dsp, gg);
}
}
else { /* we're at the target plane */
if (dsp->t2d.get_new_target) { /* store the pp parameters */
if (dsp->t2d.target_selection_method == TOUR_PP)
{
/* dsp->t2d_pp_op.index_best = dsp->t2d.ppval;
for (i=0; i<2; i++)
for (j=0; j<dsp->t2d.nactive; j++)
dsp->t2d_pp_op.proj_best.vals[i][j] =
dsp->t2d.F.vals[i][dsp->t2d.active_vars.els[j]];*/
}
}
else
{/* make sure the ending projection is the same as the target */
if (dsp->t2d.target_selection_method == TOUR_RANDOM)
{
if (dsp->t2d.tau.els[0] > 0.0 || dsp->t2d.tau.els[1] > 0.0) {
do_last_increment(dsp->t2d.tinc, dsp->t2d.tau,
dsp->t2d.dist_az, (gint) 2);
tour_reproject(dsp->t2d.tinc, dsp->t2d.G, dsp->t2d.Ga, dsp->t2d.Gz,
dsp->t2d.F, dsp->t2d.Va, d->ncols, (gint) 2);
}
}
}
nv = 0;
for (i=0; i<d->ncols; i++) {
chosen = false;
for (k=0; k<dsp->t2d.nactive; k++) {
if (dsp->t2d.active_vars.els[k] == i) {
chosen = true;
break;
}
}
if (!chosen) {
if (fabs(dsp->t2d.F.vals[0][i]) < eps &&
fabs(dsp->t2d.F.vals[1][i]) < eps)
dsp->t2d.F.vals[0][i] = dsp->t2d.F.vals[1][i] = 0.0;
if (fabs(dsp->t2d.F.vals[0][i]) > eps ||
fabs(dsp->t2d.F.vals[1][i]) > eps)
{
nv++;
}
}
}
/* now cleanup: store the current basis into the starting basis */
arrayd_copy(&dsp->t2d.F, &dsp->t2d.Fa);
if (nv == 0 && dsp->t2d.nactive <= 2) /* only generate new dir if num of
active/used variables is > 2 -
this code allows for motion to
continue while a variable is
fading out. */
dsp->t2d.get_new_target = true;
else {
if (dsp->t2d.target_selection_method == TOUR_RANDOM) {
gt_basis(dsp->t2d.Fz, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 2);
}
else if (dsp->t2d.target_selection_method == TOUR_PP) {
/* pp guided tour */
for (j=0; j<2; j++)
for (i=0; i<d->ncols; i++)
dsp->t2d.Fz.vals[j][i] = 0.0;
dsp->t2d.Fz.vals[0][dsp->t2d.active_vars.els[0]]=1.0;
dsp->t2d.Fz.vals[1][dsp->t2d.active_vars.els[1]]=1.0;
dsp->t2d.oppval = -1.0;
t2d_ppdraw_think(dsp, gg);
/*XX*/ gdk_flush ();
revert_random = t2d_switch_index(cpanel->t2d,
dsp->t2d.target_selection_method, dsp, gg);
if (!revert_random) {
for (i=0; i<2; i++)
for (j=0; j<dsp->t2d.nactive; j++) {
if (isfinite((gdouble)dsp->t2d_pp_op.proj_best.vals[i][j]) != 0)
dsp->t2d.Fz.vals[i][dsp->t2d.active_vars.els[j]] =
dsp->t2d_pp_op.proj_best.vals[i][j];
}
/* dsp->t2d_pp_op.index_best = 0.0;*/
/*g_printerr ("tour_run:index_best %f temp %f \n", dsp->t2d_pp_op.index_best, dsp->t2d_pp_op.temp);
g_printerr ("proj: ");
for (i=0; i<dsp->t2d_pp_op.proj_best.ncols; i++) g_printerr ("%f ", dsp->t2d_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->t2d.Fa.vals, dsp->t2d.Fz.vals, d->ncols, 2))
{
gt_basis(dsp->t2d.Fz, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 2);
for (i=0; i<2; i++)
for (j=0; j<dsp->t2d.nactive; j++)
dsp->t2d_pp_op.proj_best.vals[i][j] =
dsp->t2d.Fz.vals[i][dsp->t2d.active_vars.els[j]];
revert_random = t2d_switch_index(cpanel->t2d,
dsp->t2d.target_selection_method, dsp, gg);
}*/
/* t2d_ppdraw(dsp->t2d.ppval, dsp, gg);*/
/* count = 0;*/
ggobi_sleep(0);
}
else
{
/* gt_basis(dsp->t2d.Fz, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 2);*/
}
}
pathprob = tour_path(dsp->t2d.Fa, dsp->t2d.Fz, dsp->t2d.F, d->ncols,
(gint) 2, dsp->t2d.Ga,
dsp->t2d.Gz, dsp->t2d.G, dsp->t2d.lambda, dsp->t2d.tv, dsp->t2d.Va,
dsp->t2d.Vz, dsp->t2d.tau, dsp->t2d.tinc,
&dsp->t2d.dist_az, &dsp->t2d.tang);
if (pathprob == 0)
dsp->t2d.get_new_target = false;
else if (pathprob == 1) { /* problems with Fa so need to force a jump */
tour2d_scramble(gg);
pathprob = tour_path(dsp->t2d.Fa, dsp->t2d.Fz, dsp->t2d.F, d->ncols,
(gint) 2, dsp->t2d.Ga,
dsp->t2d.Gz, dsp->t2d.G, dsp->t2d.lambda, dsp->t2d.tv, dsp->t2d.Va,
dsp->t2d.Vz, dsp->t2d.tau, dsp->t2d.tinc,
&dsp->t2d.dist_az, &dsp->t2d.tang);
}
else if (pathprob == 2 || pathprob == 3) { /* problems with Fz,
so will force a new choice of Fz */
dsp->t2d.get_new_target = true;
}
}
}
display_tailpipe (dsp, FULL_1PIXMAP, gg);
varcircles_refresh (d, gg);
if (dsp->t2d_video) tour2d_write_video(gg);
}
void
tour2d_do_step(displayd *dsp, ggobid *gg)
{
tour2d_run(dsp, gg);
}
gint
tour2d_idle_func (displayd *dsp)
{
ggobid *gg = GGobiFromDisplay (dsp);
cpaneld *cpanel = &dsp->cpanel;
gboolean doit = !cpanel->t2d.paused;
if (doit) {
tour2d_run (dsp, gg);
gdk_flush ();
}
return (doit);
}
void tour2d_func (gboolean state, displayd *dsp, ggobid *gg)
{
/*
* Since the tour variables are stored at the display level,
* assume for the time being that a display with a tour must
* be running in the first and only splot.
*/
splotd *sp = (splotd *) g_list_nth_data (dsp->splots, 0);
if (state) {
if (dsp->t2d.idled == 0) {
dsp->t2d.idled = g_idle_add_full (G_PRIORITY_LOW,
(GtkFunction) tour2d_idle_func, dsp, NULL);
gg->tour2d.idled = 1;
}
} else {
if (dsp->t2d.idled != 0) {
g_source_remove (dsp->t2d.idled);
dsp->t2d.idled = 0;
}
gg->tour2d.idled = 0;
}
splot_connect_expose_handler (dsp->t2d.idled, sp);
}
void tour2d_reinit(ggobid *gg)
{
gint i;
displayd *dsp = gg->current_display;
GGobiData *d = dsp->d;
splotd *sp = gg->current_splot;
arrayd_zero (&dsp->t2d.Fa);
arrayd_zero (&dsp->t2d.Fz);
arrayd_zero (&dsp->t2d.F);
arrayd_zero (&dsp->t2d.Ga);
arrayd_zero (&dsp->t2d.Gz);
for (i=0; i<2; i++)
{
dsp->t2d.Fz.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.Fa.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.F.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.Ga.vals[i][dsp->t2d.active_vars.els[i]] =
dsp->t2d.Gz.vals[i][dsp->t2d.active_vars.els[i]] = 1.0;
}
/* for (i=0; i<2; i++) {
for (j=0; j<d->ncols; j++) {
dsp->t2d.Fa.vals[i][j] = 0.;
dsp->t2d.F.vals[i][j] = 0.;
}
dsp->t2d.Fa.vals[i][dsp->t2d.active_vars.els[i]] = 1.;
dsp->t2d.F.vals[i][dsp->t2d.active_vars.els[i]] = 1.;
}*/
dsp->t2d.tau.els[0] = 0.0;
dsp->t2d.tau.els[1] = 0.0;
dsp->t2d.get_new_target = true;
sp->tour2d.initmax = true;
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
if (dsp->t2d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t2d_window))
t2d_pp_reinit(dsp, gg);
}
/* Variable manipulation */
void
tour2d_manip_init(gint p1, gint p2, splotd *sp)
{
displayd *dsp = (displayd *) sp->displayptr;
GGobiData *d = dsp->d;
cpaneld *cpanel = &dsp->cpanel;
ggobid *gg = GGobiFromSPlot(sp);
gint j, k;
gint n1vars = dsp->t2d.nactive;
/*gfloat ftmp;*/
gfloat tol = 0.05;
gdouble dtmp1;
/* need to turn off tour */
if (!cpanel->t2d.paused)
tour2d_func(T2DOFF, gg->current_display, gg);
/* If de-selected variables are still fading out of the tour
we will need to take them out before starting manipulation -
no we don't 8/5/02 */
/* for (j=0; j<d->ncols; j++)
if (dsp->t2d.active_vars_p.els[j] == false) {
if (dsp->t2d.F.vals[0][j] > 0.0)
dsp->t2d.F.vals[0][j] = 0.0;
if (dsp->t2d.F.vals[1][j] > 0.0)
dsp->t2d.F.vals[1][j] = 0.0;
}
norm(dsp->t2d.F.vals[0],d->ncols);
norm(dsp->t2d.F.vals[1],d->ncols);
if (!gram_schmidt(dsp->t2d.F.vals[0], dsp->t2d.F.vals[1],
d->ncols))*/
#ifdef EXCEPTION_HANDLING
g_printerr("");/*t2d.F[0] equivalent to t2d.F[1]\n");*/
#else
;
#endif
dsp->t2d_manipvar_inc = false;
dsp->t2d_pos1 = dsp->t2d_pos1_old = p1;
dsp->t2d_pos2 = dsp->t2d_pos2_old = p2;
/* check if manip var is one of existing vars */
/* n1vars, n2vars is the number of variables, excluding the
manip var in hor and vert directions */
for (j=0; j<dsp->t2d.nactive; j++)
if (dsp->t2d.active_vars.els[j] == dsp->t2d_manip_var) {
dsp->t2d_manipvar_inc = true;
n1vars--;
}
/* here need to check if the manip var is wholly contained in u, and
if so do some check */
if (n1vars > 1)
{
/* make manip basis, from existing projection */
/* 0,1 will be the remainder of the projection, and
2 will be the indicator vector for the manip var */
for (j=0; j<d->ncols; j++)
{
dsp->t2d_manbasis.vals[0][j] = dsp->t2d.F.vals[0][j];
dsp->t2d_manbasis.vals[1][j] = dsp->t2d.F.vals[1][j];
dsp->t2d_manbasis.vals[2][j] = 0.;
}
dsp->t2d_manbasis.vals[2][dsp->t2d_manip_var] = 1.;
for (j=0; j<3; j++)
{
for (k=0; k<3; k++)
dsp->t2d_mvar_3dbasis.vals[j][k] = 0.;
dsp->t2d_mvar_3dbasis.vals[j][j] = 1.;
}
norm(dsp->t2d_manbasis.vals[0],d->ncols); /* this is just in case */
norm(dsp->t2d_manbasis.vals[1],d->ncols); /* it seems to work ok */
norm(dsp->t2d_manbasis.vals[2],d->ncols); /* without normalizing here */
/* Check if column 3 (2) of manbasis is effectively equal to
column 1 (0) or 2(1). If they are then we'll have to randomly
generate a new column 3. If not then we orthonormalize column 3
on the other two. */
while (!gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[2],
d->ncols))
{
gt_basis(dsp->t2d.tv, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 1);
for (j=0; j<d->ncols; j++)
dsp->t2d_manbasis.vals[2][j] = dsp->t2d.tv.vals[0][j];
}
while (!gram_schmidt(dsp->t2d_manbasis.vals[1], dsp->t2d_manbasis.vals[2],
d->ncols))
{
gt_basis(dsp->t2d.tv, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 1);
for (j=0; j<d->ncols; j++)
dsp->t2d_manbasis.vals[2][j] = dsp->t2d.tv.vals[0][j];
}
while (!gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[1],
d->ncols))
{
gt_basis(dsp->t2d.tv, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 1);
for (j=0; j<d->ncols; j++)
dsp->t2d_manbasis.vals[1][j] = dsp->t2d.tv.vals[0][j];
}
/* This is innocuous, if the vectors are orthnormal nothing gets changed.
But it protects against the case when vectors 0,1 were not
orthonormal and a new vector 1 was generated, it checks the o.n.
of all 3 vectors again. */
gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[1],
d->ncols);
gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[2],
d->ncols);
gram_schmidt(dsp->t2d_manbasis.vals[1], dsp->t2d_manbasis.vals[2],
d->ncols);
/* ftmp = 0.0;
while (ftmp < tol) {
if ((fabs(inner_prod(dsp->t2d_manbasis.vals[0],dsp->t2d_manbasis.vals[2],
d->ncols))>1.0-tol) ||
(fabs(inner_prod(dsp->t2d_manbasis.vals[1],
dsp->t2d_manbasis.vals[2],d->ncols))>1.0-tol))
{
gt_basis(dsp->t2d.tv, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 1);
for (j=0; j<d->ncols; j++)
dsp->t2d_manbasis.vals[2][j] = dsp->t2d.tv.vals[0][j];
g_printerr("0 manbasis2: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[2][i]);
g_printerr("\n");
if (!gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[2],
d->ncols))
g_printerr("t2d_manbasis[0] equivalent to t2d_manbasis[2]\n");
if (!gram_schmidt(dsp->t2d_manbasis.vals[1], dsp->t2d_manbasis.vals[2],
d->ncols))
g_printerr("t2d_manbasis[1] equivalent to t2d_manbasis[2]\n");
g_printerr("1 manbasis0: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[0][i]);
g_printerr("\n");
g_printerr("1 manbasis1: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[1][i]);
g_printerr("\n");
g_printerr("1 manbasis2: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[2][i]);
g_printerr("\n");
ftmp = calc_norm (dsp->t2d_manbasis.vals[2], d->ncols);
}
else if (fabs(inner_prod(dsp->t2d_manbasis.vals[0],
dsp->t2d_manbasis.vals[1],d->ncols))>1.0-tol)
{
printf("1 = 0\n");
gt_basis(dsp->t2d.tv, dsp->t2d.nactive, dsp->t2d.active_vars,
d->ncols, (gint) 1);
for (j=0; j<d->ncols; j++)
dsp->t2d_manbasis.vals[1][j] = dsp->t2d.tv.vals[0][j];
if (!gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[1],
d->ncols))
g_printerr("t2d_manbasis[0] equivalent to t2d_manbasis[1]\n"); * this might not be necessary *
if (!gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[2],
d->ncols))
g_printerr("t2d_manbasis[0] equivalent to t2d_manbasis[2]\n");
if (!gram_schmidt(dsp->t2d_manbasis.vals[1], dsp->t2d_manbasis.vals[2],
d->ncols))
g_printerr("t2d_manbasis[1] equivalent to t2d_manbasis[2]\n");
ftmp = calc_norm (dsp->t2d_manbasis.vals[1], d->ncols);
}
else {
printf("ok\n");
if (!gram_schmidt(dsp->t2d_manbasis.vals[0], dsp->t2d_manbasis.vals[2],
d->ncols))
g_printerr("t2d_manbasis[0] equivalent to t2d_manbasis[2]\n");
if (!gram_schmidt(dsp->t2d_manbasis.vals[1], dsp->t2d_manbasis.vals[2],
d->ncols))
g_printerr("t2d_manbasis[1] equivalent to t2d_manbasis[2]\n");
ftmp = calc_norm (dsp->t2d_manbasis.vals[2], d->ncols);
}
}*/
/* while (ftmp < tol) {
}*/
dsp->t2d_no_dir_flag = false;
if (cpanel->t2d.manip_mode == MANIP_RADIAL)
{ /* check if variable is currently visible in plot */
if ((dsp->t2d.F.vals[0][dsp->t2d_manip_var]*
dsp->t2d.F.vals[0][dsp->t2d_manip_var] +
dsp->t2d.F.vals[1][dsp->t2d_manip_var]*
dsp->t2d.F.vals[1][dsp->t2d_manip_var]) < tol)
dsp->t2d_no_dir_flag = true; /* no */
else
{ /* yes: set radial manip direction to be current direction
of contribution */
dsp->t2d_rx = (gfloat) dsp->t2d.F.vals[0][dsp->t2d_manip_var];
dsp->t2d_ry = (gfloat) dsp->t2d.F.vals[1][dsp->t2d_manip_var];
dtmp1 = sqrt(dsp->t2d_rx*dsp->t2d_rx+dsp->t2d_ry*dsp->t2d_ry);
dsp->t2d_rx /= dtmp1;
dsp->t2d_ry /= dtmp1;
}
}
}
}
void
tour2d_manip(gint p1, gint p2, splotd *sp, ggobid *gg)
{
displayd *dsp = (displayd *) sp->displayptr;
GGobiData *d = dsp->d;
cpaneld *cpanel = &dsp->cpanel;
gint actual_nvars = dsp->t2d.nactive;
gboolean offscreen = false;
gfloat phi, cosphi, sinphi, ca, sa, cosm, cospsi, sinpsi;
gfloat distx, disty, x1, x2, y1, y2;
gfloat denom = (gfloat) MIN(sp->max.x, sp->max.y)/2.;
gfloat tol = 0.01;
gdouble dtmp1, dtmp2;
gfloat len_motion;
gint i,j,k;
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->t2d_manipvar_inc)
actual_nvars = dsp->t2d.nactive-1;
if (!offscreen) {
dsp->t2d_pos1_old = dsp->t2d_pos1;
dsp->t2d_pos2_old = dsp->t2d_pos2;
dsp->t2d_pos1 = p1;
dsp->t2d_pos2 = p2;
if (actual_nvars > 1)
{
distx = disty = 0;
if (cpanel->t2d.manip_mode != MANIP_ANGULAR)
{
if (cpanel->t2d.manip_mode == MANIP_OBLIQUE)
{
distx = dsp->t2d_pos1 - dsp->t2d_pos1_old;
disty = dsp->t2d_pos2_old - dsp->t2d_pos2;
}
else if (cpanel->t2d.manip_mode == MANIP_VERT)
{
disty = dsp->t2d_pos2_old - dsp->t2d_pos2;
}
else if (cpanel->t2d.manip_mode == MANIP_HOR)
{
distx = dsp->t2d_pos1 - dsp->t2d_pos1_old;
}
else if (cpanel->t2d.manip_mode == MANIP_RADIAL)
{
if (dsp->t2d_no_dir_flag)
{
distx = dsp->t2d_pos1 - dsp->t2d_pos1_old;
disty = dsp->t2d_pos2_old - dsp->t2d_pos2;
dsp->t2d_rx = distx;
dsp->t2d_ry = disty;
dtmp1 = sqrt(dsp->t2d_rx*dsp->t2d_rx+dsp->t2d_ry*dsp->t2d_ry);
dsp->t2d_rx /= dtmp1;
dsp->t2d_ry /= dtmp1;
dsp->t2d_no_dir_flag = false;
}
distx = (dsp->t2d_rx*(dsp->t2d_pos1 - dsp->t2d_pos1_old) +
dsp->t2d_ry*(dsp->t2d_pos2_old - dsp->t2d_pos2))*dsp->t2d_rx;
disty = (dsp->t2d_rx*(dsp->t2d_pos1 - dsp->t2d_pos1_old) +
dsp->t2d_ry*(dsp->t2d_pos2_old - dsp->t2d_pos2))*dsp->t2d_ry;
}
dtmp1 = (gdouble) (distx*distx+disty*disty);
len_motion = (gfloat) sqrt(dtmp1);
if (len_motion < tol) /* just in case, maybe not necessary */
{
dsp->t2d_Rmat2.vals[0][0] = 1.0;
dsp->t2d_Rmat2.vals[0][1] = 0.0;
dsp->t2d_Rmat2.vals[0][2] = 0.0;
dsp->t2d_Rmat2.vals[1][0] = 0.0;
dsp->t2d_Rmat2.vals[1][1] = 1.0;
dsp->t2d_Rmat2.vals[1][2] = 0.0;
dsp->t2d_Rmat2.vals[2][0] = 0.0;
dsp->t2d_Rmat2.vals[2][1] = 0.0;
dsp->t2d_Rmat2.vals[2][2] = 1.0;
}
else
{
phi = len_motion / denom;
ca = distx/len_motion;
sa = disty/len_motion;
cosphi = (gfloat) cos((gdouble) phi);
sinphi = (gfloat) sin((gdouble) phi);
cosm = 1.0 - cosphi;
dsp->t2d_Rmat2.vals[0][0] = ca*ca*cosphi + sa*sa;
dsp->t2d_Rmat2.vals[0][1] = -cosm*ca*sa;
dsp->t2d_Rmat2.vals[0][2] = sinphi*ca;
dsp->t2d_Rmat2.vals[1][0] = -cosm*ca*sa;
dsp->t2d_Rmat2.vals[1][1] = sa*sa*cosphi + ca*ca;
dsp->t2d_Rmat2.vals[1][2] = sinphi*sa;
dsp->t2d_Rmat2.vals[2][0] = -sinphi*ca;
dsp->t2d_Rmat2.vals[2][1] = -sinphi*sa;
dsp->t2d_Rmat2.vals[2][2] = cosphi;
}
}
else
{ /* angular constrained manipulation */
if (dsp->t2d_pos1_old != sp->max.x/2 &&
dsp->t2d_pos2_old != sp->max.y/2 &&
dsp->t2d_pos1 != sp->max.x/2 &&
dsp->t2d_pos2 != sp->max.y/2)
{
x1 = dsp->t2d_pos1_old - sp->max.x/2;
y1 = dsp->t2d_pos2_old - sp->max.y/2;
dtmp1 = sqrt(x1*x1+y1*y1);
x1 /= dtmp1;
y1 /= dtmp1;
x2 = dsp->t2d_pos1 - sp->max.x/2;
y2 = dsp->t2d_pos2 - sp->max.y/2;
dtmp2 = sqrt(x2*x2+y2*y2);
x2 /= dtmp2;
y2 /= dtmp2;
if (dtmp1 > tol && dtmp2 > tol)
{
cospsi = x1*x2+y1*y2;
sinpsi = x1*y2-y1*x2;
}
else
{
cospsi = 1.;
sinpsi = 0.;
}
}
else
{
cospsi = 1.;
sinpsi = 0.;
}
dsp->t2d_Rmat2.vals[0][0] = cospsi;
dsp->t2d_Rmat2.vals[0][1] = sinpsi;
dsp->t2d_Rmat2.vals[0][2] = 0.;
dsp->t2d_Rmat2.vals[1][0] = -sinpsi;
dsp->t2d_Rmat2.vals[1][1] = cospsi;
dsp->t2d_Rmat2.vals[1][2] = 0.;
dsp->t2d_Rmat2.vals[2][0] = 0.;
dsp->t2d_Rmat2.vals[2][1] = 0.;
dsp->t2d_Rmat2.vals[2][2] = 1.;
}
/* Set up the rotation matrix in the 3D manip space */
for (i=0; i<3; i++)
for (j=0; j<3; j++)
{
dtmp1 = 0.;
for (k=0; k<3; k++)
dtmp1 += (dsp->t2d_mvar_3dbasis.vals[i][k]*
dsp->t2d_Rmat2.vals[k][j]);
dsp->t2d_Rmat1.vals[i][j] = dtmp1;
}
arrayd_copy(&dsp->t2d_Rmat1, &dsp->t2d_mvar_3dbasis);
norm(dsp->t2d_mvar_3dbasis.vals[0],3); /* just in case */
norm(dsp->t2d_mvar_3dbasis.vals[1],3); /* seems to work ok without */
norm(dsp->t2d_mvar_3dbasis.vals[2],3); /* this */
if (!gram_schmidt(dsp->t2d_mvar_3dbasis.vals[0],
dsp->t2d_mvar_3dbasis.vals[1], 3))
#ifdef EXCEPTION_HANDLING
g_printerr("");/*t2d_mvar[0] equivalent to t2d_mvar[1]\n");*/
#else
;
#endif
if (!gram_schmidt(dsp->t2d_mvar_3dbasis.vals[0],
dsp->t2d_mvar_3dbasis.vals[2], 3))
#ifdef EXCEPTION_HANDLING
g_printerr("");/*t2d_mvar[0] equivalent to t2d_mvar[2]\n");*/
#else
;
#endif
if (!gram_schmidt(dsp->t2d_mvar_3dbasis.vals[1],
dsp->t2d_mvar_3dbasis.vals[2], 3))
#ifdef EXCEPTION_HANDLING
g_printerr("");/*t2d_mvar[1] equivalent to t2d_mvar[2]\n");*/
#else
;
#endif
/* Generate the projection of the data corresponding to
the 3D rotation in the manip space. */
for (j=0; j<d->ncols; j++)
{
dsp->t2d.F.vals[0][j] =
dsp->t2d_manbasis.vals[0][j]*dsp->t2d_mvar_3dbasis.vals[0][0] +
dsp->t2d_manbasis.vals[1][j]*dsp->t2d_mvar_3dbasis.vals[0][1] +
dsp->t2d_manbasis.vals[2][j]*dsp->t2d_mvar_3dbasis.vals[0][2];
dsp->t2d.F.vals[1][j] =
dsp->t2d_manbasis.vals[0][j]*dsp->t2d_mvar_3dbasis.vals[1][0] +
dsp->t2d_manbasis.vals[1][j]*dsp->t2d_mvar_3dbasis.vals[1][1] +
dsp->t2d_manbasis.vals[2][j]*dsp->t2d_mvar_3dbasis.vals[1][2];
}
norm(dsp->t2d.F.vals[0], d->ncols);
norm(dsp->t2d.F.vals[1], d->ncols);
/* if (calc_norm(dsp->t2d.F.vals[0], d->ncols)>1.01) {
g_printerr("1 F0 out of bounds\n");
g_printerr("F0: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d.F.vals[0][i]);
g_printerr("\n");
g_printerr("F1: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d.F.vals[1][i]);
g_printerr("\n");
g_printerr("manbasis0: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[0][i]);
g_printerr("\n");
g_printerr("manbasis1: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[1][i]);
g_printerr("\n");
g_printerr("manbasis2: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_manbasis.vals[2][i]);
g_printerr("\n");
g_printerr("m3dvar0: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_mvar_3dbasis.vals[0][i]);
g_printerr("\n");
g_printerr("m3dvar1: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_mvar_3dbasis.vals[1][i]);
g_printerr("\n");
g_printerr("m3dvar2: ");
for (i=0; i<3; i++)
g_printerr("%f ",dsp->t2d_mvar_3dbasis.vals[2][i]);
g_printerr("\n");
g_printerr("distx %f disty %f\n",distx,disty);
}
if (calc_norm(dsp->t2d.F.vals[1], d->ncols)>1.01)
g_printerr("1 F1 out of bounds\n");*/
if (!gram_schmidt(dsp->t2d.F.vals[0], dsp->t2d.F.vals[1], d->ncols))
#ifdef EXCEPTION_HANDLING
g_printerr("");/*t2d.F[0] equivalent to t2d.F[2]\n");*/
#else
;
#endif
/* if (calc_norm(dsp->t2d.F.vals[0], d->ncols)>1.0)
g_printerr("F0 out of bounds\n");
if (calc_norm(dsp->t2d.F.vals[1], d->ncols)>1.0)
g_printerr("F1 out of bounds\n");
*/
}
/* plot pp indx */
if (dsp->t2d_window != NULL && GTK_WIDGET_VISIBLE (dsp->t2d_window)) {
/* if (dsp->t2d_ppda != NULL) {*/
dsp->t2d.oppval = dsp->t2d.ppval;
pp_problem = t2d_switch_index(cpanel->t2d,
0, dsp, gg);
t2d_ppdraw(dsp->t2d.ppval, dsp, gg);
}
display_tailpipe (dsp, FULL, gg);
varcircles_refresh (d, gg);
}
}
void
tour2d_manip_end(splotd *sp)
{
displayd *dsp = (displayd *) sp->displayptr;
cpaneld *cpanel = &dsp->cpanel;
ggobid *gg = GGobiFromSPlot(sp);
disconnect_motion_signal (sp);
arrayd_copy(&dsp->t2d.F, &dsp->t2d.Fa);
zero_tau(dsp->t2d.tau, 2);
dsp->t2d.get_new_target = true;
/* need to turn on tour? */
if (!cpanel->t2d.paused) {
tour2d_func(T2DON, dsp, gg);
/*-- whenever motion stops, we need a FULL redraw --*/
display_tailpipe (dsp, FULL, gg);
}
}
#undef T2DON
#undef T2DOFF
|