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#include <sys/types.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#include "ggobi.h"
#include "externs.h"
#include "GGobiAPI.h"
#include "plugin.h"
#include "varcloud.h"
void
launch_varcloud_cb (GtkWidget *w, PluginInstance *inst)
/*
* Create a new datad containing the pairwise distance variables.
* Juergen says there should be points corresponding to the edges
* {i=j}. I haven't added them yet, but I could do so -- they don't
* have to be linked to any edges, I don't think.
*/
/*
This code now includes changes so that a single datad, with edges,
is added. Linking works by definition. I haven't checked it in
yet ...
*/
{
vcld *vcl = vclFromInst (inst);
ggobid *gg = inst->gg;
gint i, j, k, ii, jj;
gchar **colnames, **rownames, **recordids;
gint npairs, n, nc = 4;
static gchar *clab[] = {"D_ij", "diff_ij", "i", "j"};
InputDescription *desc = NULL;
gdouble *values;
GGobiData *d = vcl->dsrc, *dnew;
#if 0
GGobiData *e;
#endif
gint var1 = vcl->var1, var2 = vcl->var2;
gdouble xci, xcj, yci, ycj;
gchar *lbl;
const gchar *name = gtk_widget_get_name (w);
/*
If widget name is 'Cross', this should be a cross-variogram
cloud plot; make sure that vcl->var1 != vcl->var2.
*/
if (strcmp (name, "Cross") == 0) {
if (var1 == var2) {
quick_message("For a cross-variogram plot, Variable 1 should be different from Variable 2", false);
/**/ return;
}
} else var2 = var1;
if (d->nrows <= 1)
return;
/* upper and lower triangle -- but skip the diagonal for now */
npairs = d->nrows_in_plot*(d->nrows_in_plot-1);
/* Step 1: if necessary, add record ids to the original GGobiData */
/* Keep it simple: use row numbers */
datad_record_ids_set(d, NULL, false);
/* Step 2: if necessary, add an edge set for the complete graph.
Call it 'allpairs'; it has no variables for now.
This too needs record ids so it can be linked to the new data,
and it needs rowlabels so that we can do linked brushing.
*/
recordids = (gchar **) g_malloc (npairs * sizeof(gchar *));
#if 0
e = ggobi_data_new(npairs, 0);
e->name = g_strdup("all pairs");
rowlabels_alloc(e);
#endif
k = 0;
for (i=0; i<d->nrows_in_plot; i++)
for (j=0; j<d->nrows_in_plot; j++) {
if (i == j)
continue;
lbl = g_strdup_printf ("%d,%d",
d->rows_in_plot.els[i],
d->rows_in_plot.els[j]);
recordids[k++] = lbl;
#if 0
g_array_append_val(e->rowlab, lbl);
#endif
}
#if 0
datad_record_ids_set(e, recordids, false);
pipeline_init(e, gg);
edges_alloc (npairs, e);
e->edge.sym_endpoints = (SymbolicEndpoints *)
g_malloc(sizeof(SymbolicEndpoints) * e->edge.n);
k = 0;
for (i=0; i<d->nrows_in_plot; i++) {
for (j=0; j<d->nrows_in_plot; j++) {
if (i == j)
continue;
ii = d->rows_in_plot.els[i];
jj = d->rows_in_plot.els[j];
e->edge.sym_endpoints[k].a = d->rowIds[ii];
e->edge.sym_endpoints[k].b = d->rowIds[jj];
e->edge.sym_endpoints[k].jpartner = -1;
k++;
}
}
/* Update the current display, which is presumably a scatterplot of
y vs x
*/
unresolveAllEdgePoints(e);
if(gg->current_display) {
edgeset_add(gg->current_display);
displays_plot(NULL, FULL, gg);
}
gdk_flush();
#endif
/* Step 3: Create the new dataset, npairs by nc */
/* The new data has to have the same record ids as the edges */
colnames = (gchar **) g_malloc(nc * sizeof (gchar *));
values = (gdouble *) g_malloc (npairs * nc * sizeof(gdouble));
rownames = (gchar **) g_malloc (npairs * sizeof(gchar *));
for (j=0; j<nc; j++)
colnames[j] = g_strdup (clab[j]);
n = 0;
for (i = 0; i<d->nrows_in_plot; i++) {
for (j = 0; j<d->nrows_in_plot; j++) {
if (i == j)
continue;
if (n == npairs) {
g_printerr ("too many distances: n %d nr %d\n", n, npairs);
break;
}
/* Verify that each of these indices points to something real */
ii = d->rows_in_plot.els[i];
jj = d->rows_in_plot.els[j];
xci = d->tform.vals[ii][vcl->xcoord];
yci = d->tform.vals[ii][vcl->ycoord];
xcj = d->tform.vals[jj][vcl->xcoord];
ycj = d->tform.vals[jj][vcl->ycoord];
values[n + 0*npairs] = sqrt((xci-xcj)*(xci-xcj) + (yci-ycj)*(yci-ycj));
values[n + 1*npairs] = sqrt(fabs((gdouble)(d->tform.vals[ii][var1] -
d->tform.vals[jj][var2])));
values[n + 2*npairs] = (gdouble) ii;
values[n + 3*npairs] = (gdouble) jj;
rownames[n] = g_strdup_printf ("%s,%s",
(gchar *) g_array_index (d->rowlab, gchar *, ii),
(gchar *) g_array_index (d->rowlab, gchar *, jj));
n++;
}
}
if (n) {
displayd *dspnew;
dnew = ggobi_data_new (n, nc);
dnew->name = "VarCloud";
GGOBI(setData) (values, rownames, colnames, n, nc, dnew,
false, gg, recordids, true, desc);
edges_alloc (npairs, dnew);
dnew->edge.sym_endpoints = (SymbolicEndpoints *)
g_malloc(sizeof(SymbolicEndpoints) * dnew->edge.n);
k = 0;
for (i=0; i<d->nrows_in_plot; i++) {
for (j=0; j<d->nrows_in_plot; j++) {
if (i == j)
continue;
ii = d->rows_in_plot.els[i];
jj = d->rows_in_plot.els[j];
dnew->edge.sym_endpoints[k].a = d->rowIds[ii];
dnew->edge.sym_endpoints[k].b = d->rowIds[jj];
dnew->edge.sym_endpoints[k].jpartner = -1;
k++;
}
}
/* Update the current display, which is presumably a scatterplot of
y vs x
*/
if(gg->current_display) {
edgeset_add(gg->current_display);
displays_plot(NULL, FULL, gg);
}
gdk_flush();
/* Open the new display */
/* Now why does this new display have an Edges menu? Something is
still wrong with record ids, I fear. */
dspnew = GGOBI(newScatterplot) (0, 1, true, dnew, gg);
display_add(dspnew, gg);
varpanel_refresh(dspnew, gg);
display_tailpipe (dspnew, FULL, gg);
}
g_free (rownames);
g_free (colnames);
g_free (values);
g_free (recordids);
}
void
close_vcl_window_cb (GtkWidget *w, PluginInstance *inst)
{
extern void freePlugin(ggobid *, PluginInstance *);
ggobid *gg = inst->gg;
freePlugin(gg, inst);
}
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