static void
prof_update_curve(ProfControls *controls,
gint i)
{
GwyGraphCurveModel *gcmodel;
gdouble xy[4], h;
gint xl0, yl0, xl1, yl1;
gint n, lineres;
gchar *desc;
g_return_if_fail(gwy_selection_get_object(controls->selection, i, xy));
/* The ω=0 pixel is always at res/2, for even dimensions it means it is
* shifted half-a-pixel to the right from the precise centre. */
xl0 = gwy_data_field_get_xres(controls->psdffield)/2;
yl0 = gwy_data_field_get_yres(controls->psdffield)/2;
xl1 = floor(gwy_data_field_rtoj(controls->psdffield, xy[0]));
yl1 = floor(gwy_data_field_rtoi(controls->psdffield, xy[1]));
xy[0] += gwy_data_field_get_xoffset(controls->psdffield);
xy[1] += gwy_data_field_get_yoffset(controls->psdffield);
h = hypot(controls->hx*xy[0], controls->hy*xy[1])/hypot(xy[0], xy[1]);
if (!controls->args->fixres) {
lineres = GWY_ROUND(hypot(abs(xl0 - xl1) + 1, abs(yl0 - yl1) + 1));
lineres = MAX(lineres, MIN_RESOLUTION);
}
else
lineres = controls->args->resolution;
gwy_data_field_get_profile(controls->psdffield, controls->line,
xl0, yl0, xl1, yl1,
lineres,
1,
controls->args->interpolation);
gwy_data_line_multiply(controls->line, h);
n = gwy_graph_model_get_n_curves(controls->gmodel);
if (i < n) {
gcmodel = gwy_graph_model_get_curve(controls->gmodel, i);
}
else {
gcmodel = gwy_graph_curve_model_new();
g_object_set(gcmodel,
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(i),
NULL);
gwy_graph_model_add_curve(controls->gmodel, gcmodel);
g_object_unref(gcmodel);
}
gwy_graph_curve_model_set_data_from_dataline(gcmodel, controls->line, 0, 0);
desc = g_strdup_printf(_("PSDF %.0f°"), 180.0/G_PI*atan2(-xy[1], xy[0]));
g_object_set(gcmodel, "description", desc, NULL);
g_free(desc);
}
static GwyGraphModel*
create_graph_model(const GwyXY *points,
const gdouble *xdata, gdouble *ydata, guint n,
gboolean x, gboolean y)
{
GwyGraphModel *gmodel = gwy_graph_model_new();
GwyGraphCurveModel *gcmodel;
guint i;
if (!x && !y)
return NULL;
if (x) {
gcmodel = gwy_graph_curve_model_new();
for (i = 0; i < n; i++)
ydata[i] = points[i].x;
gwy_graph_curve_model_set_data(gcmodel, xdata, ydata, n);
g_object_set(gcmodel,
"description", "X",
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(0),
NULL);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
}
if (y) {
gcmodel = gwy_graph_curve_model_new();
for (i = 0; i < n; i++)
ydata[i] = points[i].y;
gwy_graph_curve_model_set_data(gcmodel, xdata, ydata, n);
g_object_set(gcmodel,
"description", "Y",
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(1),
NULL);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
}
return gmodel;
}
static GwyGraphModel*
rhk_sm4_page_to_graph_model(const RHKPage *page)
{
GwyGraphModel *gmodel;
GwyGraphCurveModel *gcmodel;
GwySIUnit *siunit;
const gint32 *pdata;
const gchar *name;
gint res, ncurves, i, j;
gdouble *xdata, *ydata;
res = page->x_size;
ncurves = page->y_size;
gmodel = gwy_graph_model_new();
pdata = (const gint32*)page->data;
xdata = g_new(gdouble, res);
ydata = g_new(gdouble, res);
name = page->strings[RHK_STRING_LABEL];
for (i = 0; i < ncurves; i++) {
gcmodel = gwy_graph_curve_model_new();
for (j = 0; j < res; j++) {
xdata[j] = j*page->x_scale + page->x_offset;
ydata[j] = (GINT32_FROM_LE(pdata[i*res + j])*page->z_scale
+ page->z_offset);
}
gwy_graph_curve_model_set_data(gcmodel, xdata, ydata, res);
g_object_set(gcmodel,
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(i),
NULL);
if (name)
g_object_set(gcmodel, "description", name, NULL);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
}
g_free(ydata);
g_free(xdata);
/* Units */
siunit = gwy_si_unit_new(page->strings[RHK_STRING_X_UNITS]);
g_object_set(gmodel, "si-unit-x", siunit, NULL);
g_object_unref(siunit);
siunit = gwy_si_unit_new(page->strings[RHK_STRING_Z_UNITS]);
g_object_set(gmodel, "si-unit-y", siunit, NULL);
g_object_unref(siunit);
if (name)
g_object_set(gmodel, "title", name, NULL);
return gmodel;
}
static GwyGraphModel*
spectra_to_graph(GwySpectra *spectra)
{
GwyGraphModel *gmodel;
const gchar* graph_title;
GwyGraphCurveModel *cmodel;
gchar *curve_title = NULL;
guint j, k, n_spectra, n_points;
GwyDataLine *dline;
gdouble *data, *xdata, *ydata, x_offset, x_realsize;
GwySIUnit *x_si_unit, *y_si_unit;
if (!(n_spectra = gwy_spectra_get_n_spectra(spectra))) {
gwy_debug("rhk-spm32: no spectra in rhkpage - something is odd\n");
return NULL;
}
dline = gwy_spectra_get_spectrum(spectra, 0);
n_points = gwy_data_line_get_res(dline);
x_si_unit = gwy_data_line_get_si_unit_x(dline);
y_si_unit = gwy_data_line_get_si_unit_y(dline);
xdata = g_new0(gdouble, n_points);
ydata = g_new0(gdouble, n_points);
x_offset = gwy_data_line_get_offset(dline);
x_realsize = gwy_data_line_get_real(dline);
for (j = 0; j < n_points; j++)
xdata[j] = x_offset+j*x_realsize;
gmodel = gwy_graph_model_new();
g_object_set(gmodel, "si-unit-x", x_si_unit, "si-unit-y", y_si_unit, NULL);
graph_title = gwy_spectra_get_title(spectra);
g_object_set(gmodel, "title", graph_title, NULL);
// tends to obstruct the curves - if there are more than a few - not
// good - makes it hard to grab curves?
//g_object_set(gmodel, "label-visible", FALSE, NULL);
for (k = 1; k <= n_spectra; k++) {
dline = gwy_spectra_get_spectrum(spectra, k-1);
data = gwy_data_line_get_data(dline);
for (j = 0; j < n_points; j++)
ydata[j] = data[j];
cmodel = gwy_graph_curve_model_new();
gwy_graph_model_add_curve(gmodel, cmodel);
g_object_unref(cmodel);
curve_title = g_strdup_printf("%s %d", graph_title, k);
g_object_set(cmodel, "description", curve_title,
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(k),
NULL);
gwy_graph_curve_model_set_data(cmodel, xdata, ydata, n_points);
}
g_free(ydata);
g_free(xdata);
return gmodel;
}
static void
preview(EntropyControls *controls)
{
EntropyArgs *args = controls->args;
GwyDataField *dfield = controls->dfield;
GwyDataField *mfield = controls->mfield;
GwyGraphModel *gmodel;
GwyGraphCurveModel *gcmodel;
GwyDataLine *ecurve;
gchar buf[24];
gdouble S, s, Smax = 0.0;
ecurve = gwy_data_line_new(1, 1.0, FALSE);
if (args->mode == ENTROPY_VALUES) {
S = gwy_data_field_area_get_entropy_at_scales(dfield, ecurve,
mfield, args->masking,
0, 0,
dfield->xres,
dfield->yres,
0);
s = gwy_data_field_area_get_rms_mask(dfield,
mfield, args->masking,
0, 0, dfield->xres, dfield->yres);
Smax = ENTROPY_NORMAL + log(s);
}
else {
GwyDataField *xder = gwy_data_field_new_alike(dfield, FALSE);
GwyDataField *yder = gwy_data_field_new_alike(dfield, FALSE);
compute_slopes(controls->dfield,
args->fit_plane ? args->kernel_size : 0, xder, yder);
xder = fake_mask(xder, mfield, args->masking);
yder = fake_mask(yder, mfield, args->masking);
if (args->mode == ENTROPY_ANGLES)
transform_to_sphere(xder, yder);
S = gwy_data_field_get_entropy_2d_at_scales(xder, yder, ecurve, 0);
if (args->mode == ENTROPY_SLOPES) {
s = calculate_sigma2_2d(xder, yder);
Smax = ENTROPY_NORMAL_2D + log(s);
}
g_object_unref(xder);
g_object_unref(yder);
}
g_snprintf(buf, sizeof(buf), "%g", S);
gtk_label_set_text(GTK_LABEL(controls->entropy), buf);
if (args->mode != ENTROPY_ANGLES) {
g_snprintf(buf, sizeof(buf), "%g", Smax - S);
gtk_label_set_text(GTK_LABEL(controls->entropydef), buf);
}
else
gtk_label_set_text(GTK_LABEL(controls->entropydef), _("N.A."));
gmodel = gwy_graph_get_model(GWY_GRAPH(controls->graph));
gwy_graph_model_remove_all_curves(gmodel);
g_object_set(gmodel,
"axis-label-bottom", "log h",
"axis-label-left", "S",
"label-position", GWY_GRAPH_LABEL_NORTHWEST,
NULL);
if (gwy_data_line_get_min(ecurve) > -0.5*G_MAXDOUBLE) {
gcmodel = gwy_graph_curve_model_new();
g_object_set(gcmodel,
"description", _("Entropy at scales"),
"mode", GWY_GRAPH_CURVE_LINE_POINTS,
"color", gwy_graph_get_preset_color(0),
NULL);
gwy_graph_curve_model_set_data_from_dataline(gcmodel, ecurve, 0, 0);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
}
if (S > -0.5*G_MAXDOUBLE) {
GwyDataLine *best = gwy_data_line_duplicate(ecurve);
gdouble *ydata = gwy_data_line_get_data(best);
guint i, res = gwy_data_line_get_res(best);
for (i = 0; i < res; i++)
ydata[i] = S;
gcmodel = gwy_graph_curve_model_new();
g_object_set(gcmodel,
"description", _("Best estimate"),
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(1),
NULL);
gwy_graph_curve_model_set_data_from_dataline(gcmodel, best, 0, 0);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
g_object_unref(best);
}
g_object_unref(ecurve);
zoom_in_changed(controls, GTK_TOGGLE_BUTTON(controls->zoom_in));
}
static void
create_profiles(const X3PFile *x3pfile,
GwyContainer *container)
{
GwyGraphModel *gmodel;
GwySIUnit *siunitx, *siunity;
GArray *validx, *validy;
GQuark quark;
gint id;
gmodel = gwy_graph_model_new();
siunitx = gwy_si_unit_new("m");
siunity = gwy_si_unit_new("m");
g_object_set(gmodel,
"title", "Profiles",
"si-unit-x", siunitx,
"si-unit-y", siunity,
NULL);
g_object_unref(siunity);
g_object_unref(siunitx);
validx = g_array_new(FALSE, FALSE, sizeof(gdouble));
validy = g_array_new(FALSE, FALSE, sizeof(gdouble));
for (id = 0; id < x3pfile->zres; id++) {
guint n = x3pfile->xres;
GwyGraphCurveModel *gcmodel;
gchar *title;
guint j;
g_array_set_size(validx, 0);
g_array_set_size(validy, 0);
for (j = 0; j < x3pfile->xres; j++) {
gdouble v = x3pfile->values[id*n + j];
if (gwy_isnan(v) || gwy_isinf(v) || !x3pfile->valid[id*n + j])
continue;
g_array_append_val(validy, v);
v = j*x3pfile->dx;
g_array_append_val(validx, v);
}
if (!validx->len)
continue;
gcmodel = gwy_graph_curve_model_new();
title = g_strdup_printf("Profile %u", id+1);
g_object_set(gcmodel,
"mode", GWY_GRAPH_CURVE_LINE,
"description", title,
"color", gwy_graph_get_preset_color(id),
NULL);
g_free(title);
gwy_graph_curve_model_set_data(gcmodel,
(gdouble*)validx->data,
(gdouble*)validy->data,
validx->len);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
}
g_array_free(validy, TRUE);
g_array_free(validx, TRUE);
quark = gwy_app_get_graph_key_for_id(0);
gwy_container_set_object(container, quark, gmodel);
g_object_unref(gmodel);
}
static gboolean
curvature_plot_graph(GwyDataField *dfield,
const Intersection *i1,
const Intersection *i2,
GwyGraphModel *gmodel)
{
GwyGraphCurveModel *gcmodel;
GwyDataLine *dline;
gint xres, yres;
guint i;
if (!gwy_graph_model_get_n_curves(gmodel)) {
GwySIUnit *siunitxy, *siunitz;
gchar *s;
siunitxy = gwy_si_unit_duplicate(gwy_data_field_get_si_unit_xy(dfield));
siunitz = gwy_si_unit_duplicate(gwy_data_field_get_si_unit_z(dfield));
g_object_set(gmodel,
"title", _("Curvature Sections"),
"si-unit-x", siunitxy,
"si-unit-y", siunitz,
NULL);
g_object_unref(siunitxy);
g_object_unref(siunitz);
for (i = 0; i < 2; i++) {
gcmodel = gwy_graph_curve_model_new();
s = g_strdup_printf(_("Profile %d"), (gint)i+1);
g_object_set(gcmodel,
"description", s,
"mode", GWY_GRAPH_CURVE_LINE,
"color", gwy_graph_get_preset_color(i),
NULL);
g_free(s);
gwy_graph_model_add_curve(gmodel, gcmodel);
g_object_unref(gcmodel);
}
}
else {
g_assert(gwy_graph_model_get_n_curves(gmodel) == 2);
}
dline = gwy_data_line_new(1, 1.0, FALSE);
xres = gwy_data_field_get_xres(dfield);
yres = gwy_data_field_get_yres(dfield);
for (i = 0; i < 2; i++) {
gint col1 = gwy_data_field_rtoj(dfield, i1[i].x);
gint row1 = gwy_data_field_rtoi(dfield, i1[i].y);
gint col2 = gwy_data_field_rtoj(dfield, i2[i].x);
gint row2 = gwy_data_field_rtoi(dfield, i2[i].y);
gwy_data_field_get_profile(dfield, dline,
CLAMP(col1, 0, xres-1),
CLAMP(row1, 0, yres-1),
CLAMP(col2, 0, xres-1),
CLAMP(row2, 0, yres-1),
-1, 1, GWY_INTERPOLATION_BILINEAR);
gwy_data_line_set_offset(dline,
i1[i].t/(i2[i].t - i1[i].t)
* gwy_data_line_get_real(dline));
gcmodel = gwy_graph_model_get_curve(gmodel, i);
gwy_graph_curve_model_set_data_from_dataline(gcmodel, dline, 0, 0);
}
g_object_unref(dline);
return TRUE;
}
