Window() : canvas(), checkbutton1("Plot 1"),
checkbutton2("Plot 2"), checkbutton3("Plot 3"),
label_x("X:"),
label_y("Y:") {
set_default_size(720, 580);
Gdk::Geometry geometry;
geometry.min_aspect = geometry.max_aspect = double(720)/double(580);
set_geometry_hints(*this, geometry, Gdk::HINT_ASPECT);
set_title("Gtkmm-PLplot test4");
canvas.set_hexpand(true);
canvas.set_vexpand(true);
canvas.set_background_color(Gdk::RGBA("Light Gray"));
grid.set_column_homogeneous(true);
checkbutton1.set_vexpand(false);
checkbutton1.set_hexpand(false);
checkbutton1.set_halign(Gtk::ALIGN_CENTER);
checkbutton2.set_vexpand(false);
checkbutton2.set_hexpand(false);
checkbutton2.set_halign(Gtk::ALIGN_CENTER);
checkbutton3.set_vexpand(false);
checkbutton3.set_hexpand(false);
checkbutton3.set_halign(Gtk::ALIGN_CENTER);
std::valarray<double> x_va = Gtk::PLplot::indgen_va(1000)/50.0 - 10.0;
std::valarray<double> y_va1 = sinh(x_va);
std::valarray<double> y_va2 = cosh(x_va);
std::valarray<double> y_va3 = tanh(x_va);
//generate the data, the plot, add them to the canvas and use the return value to pass it to the checkbutton
Gtk::PLplot::Plot2D *plot1 = Gtk::manage(
new Gtk::PLplot::Plot2D(
*Gtk::manage(
new Gtk::PLplot::PlotData2D(
x_va,
y_va1,
Gdk::RGBA("blue"),
Gtk::PLplot::LineStyle::CONTINUOUS,
3.0
)
),
"X-axis",
"Y-axis",
"Hyperbolic sine",
0.5,
0.5,
0.0,
0.0
)
);
canvas.add_plot(*plot1);
checkbutton1.connect_plot(plot1);
Gtk::PLplot::Plot2D *plot2 = Gtk::manage(
new Gtk::PLplot::Plot2D(
*Gtk::manage(
new Gtk::PLplot::PlotData2D(
x_va,
y_va2,
Gdk::RGBA("red"),
Gtk::PLplot::LineStyle::CONTINUOUS,
3.0
)
),
"X-axis",
"Y-axis",
"Hyperbolic cosine",
0.5,
0.5,
0.5,
0.0
)
);
canvas.add_plot(*plot2);
checkbutton2.connect_plot(plot2);
Gtk::PLplot::Plot2D *plot3 = Gtk::manage(
new Gtk::PLplot::Plot2D(
*Gtk::manage(
new Gtk::PLplot::PlotData2D(
x_va,
y_va3,
Gdk::RGBA("green"),
Gtk::PLplot::LineStyle::CONTINUOUS,
3.0
)
),
"X-axis",
"Y-axis",
"Hyperbolic tangent",
0.4,
0.4,
0.2,
0.55
)
);
canvas.add_plot(*plot3);
checkbutton3.connect_plot(plot3);
checkbutton1.set_active();
checkbutton2.set_active(false);
checkbutton3.set_active();
//let's make the first plot unpannable
plot1->set_region_pannable(false);
//let's override the background color of the second plot and hide it to make the surprise complete!!
plot2->set_background_color(Gdk::RGBA("Yellow Green"));
plot2->hide();
//also let's disable the region selection, for no reason whatsoever!
plot2->set_region_selectable(false);
//let's override the default region of this plot, this is NOT influenced by set_region_selectable()!!!
plot2->set_region(-10, 10, -10, 10);
//we can also change some other colors
plot2->set_axes_color(Gdk::RGBA("Blue"));
plot2->set_titles_color(Gdk::RGBA("Purple"));
plot2->set_box_style(Gtk::PLplot::BOX_TICKS_TICK_LABELS_MAIN_AXES_MAJOR_MINOR_TICK_GRID);
//lets'give the third plot a nice opaque background color
plot3->set_background_color(Gdk::RGBA("White"));
//but disable zooming by scrolling
plot3->set_region_zoomable(false);
//and give it an unusual selection box
plot3->set_region_selection_color(Gdk::RGBA("Purple"));
plot3->set_region_selection_width(4.0);
//hook up signal_cursor_motion to the entries
unsigned int plotnr = 0;
while (1) {
try {
Gtk::PLplot::Plot2D *plot = dynamic_cast<Gtk::PLplot::Plot2D *>(canvas.get_plot(plotnr++));
plot->signal_cursor_motion().connect([this](double x, double y){
entry_x.set_text(Glib::Ascii::dtostr(x));
entry_y.set_text(Glib::Ascii::dtostr(y));
});
}
catch (Gtk::PLplot::Exception &e) {
break;
}
}
grid.attach(checkbutton1, 0, 0, 1, 1);
grid.attach(checkbutton2, 1, 0, 1, 1);
grid.attach(checkbutton3, 2, 0, 1, 1);
grid.attach(canvas, 0, 1, 3, 1);
coordinates_grid.set_column_homogeneous(false);
coordinates_grid.attach(label_x, 0, 0, 1, 1);
coordinates_grid.attach(entry_x, 1, 0, 1, 1);
coordinates_grid.attach(label_y, 2, 0, 1, 1);
coordinates_grid.attach(entry_y, 3, 0, 1, 1);
label_x.set_vexpand(false);
label_x.set_hexpand(true);
label_x.set_halign(Gtk::ALIGN_END);
label_y.set_vexpand(false);
label_y.set_hexpand(false);
label_y.set_halign(Gtk::ALIGN_CENTER);
entry_x.set_vexpand(false);
entry_x.set_hexpand(false);
entry_x.set_halign(Gtk::ALIGN_END);
entry_y.set_vexpand(false);
entry_y.set_hexpand(true);
entry_y.set_halign(Gtk::ALIGN_START);
coordinates_grid.set_column_spacing(5);
grid.attach(coordinates_grid, 0, 2, 3, 1);
grid.set_row_spacing(5);
add(grid);
set_border_width(10);
grid.show_all();
}
Window() :
show_edges_label("Show edges"),
show_labels_label("Show contour labels"),
edge_color_label("Contour edge color"),
edge_color(Gdk::RGBA("Red")),
edge_width_label("Contour edge width"),
edge_width_adj(Gtk::Adjustment::create(1.0, 0.1, 10.0, 0.1, 1.0, 0.0)),
edge_width_spin(edge_width_adj, 0.1, 1),
nlevels_label("Number of contour edges"),
nlevels_adj(Gtk::Adjustment::create(7, 3, 20, 1, 5)),
nlevels_spin(nlevels_adj, 1, 0),
colormap_palette_label("Colormap palette"),
area_fill_pattern_label("Fill pattern"),
area_lines_width_label("Fill pattern width"),
area_lines_width_adj(Gtk::Adjustment::create(1.0, 0.1, 10.0, 0.1, 1.0, 0.0)),
area_lines_width_spin(area_lines_width_adj, 0.1, 1),
colorbar_label("Show colorbar"),
paned(Gtk::ORIENTATION_VERTICAL),
aspect_frame(Glib::ustring(), Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 1.5, false)
{
Glib::ustring x_title = "X-axis";
Glib::ustring y_title = "Y-axis";
Glib::ustring plot_title = "Intensity vs detector position";
// general window and canvas settings
set_default_size(720, 720);
Gdk::Geometry geometry;
geometry.min_aspect = geometry.max_aspect = double(720)/double(720);
set_geometry_hints(*this, geometry, Gdk::HINT_ASPECT);
set_title("Gtkmm-PLplot test8");
canvas.set_hexpand(true);
canvas.set_vexpand(true);
//read in our dataset
std::ifstream fs;
fs.exceptions(std::ifstream::failbit | std::ifstream::badbit | std::ifstream::eofbit);
// 11 x 11 dataset (I know the file layout and the data dimensions already)
const int nx = 11;
const int ny = 11;
std::vector<double> x(nx);
std::vector<double> y(ny);
#ifdef GTKMM_PLPLOT_BOOST_ENABLED
boost::multi_array<double, 2> z(boost::extents[nx][ny]);
std::cout << "Using Boost multi_array!" << std::endl;
#else
double **z = Gtk::PLplot::calloc_array2d(nx, ny);
#endif
fs.open(TEST_CSV);
std::string line;
std::getline(fs, line);
gchar **splitted = g_strsplit(line.c_str(), ",", 0);
//first line contains the x values
for (int i = 1 ; i < nx + 1 ; i++) {
x[i-1] = g_ascii_strtod(splitted[i], NULL);
}
g_strfreev(splitted);
for (int i = 0 ; i < ny ; i++) {
line.clear();
std::getline(fs, line);
splitted = g_strsplit(line.c_str(), ",", 0);
y[i] = g_ascii_strtod(splitted[0], NULL);
for (int j = 1 ; j < nx + 1 ; j++) {
z[j-1][i] = g_ascii_strtod(splitted[j], NULL);
}
g_strfreev(splitted);
}
//construct the plot
auto plot = Gtk::manage(new Gtk::PLplot::PlotContourShades(
*Gtk::manage(new Gtk::PLplot::PlotDataSurface(
x,
y,
z
)),
x_title,
y_title,
plot_title,
7,
Gtk::PLplot::ColormapPalette::BLUE_RED,
edge_color.get_rgba(),
1.0
));
canvas.add_plot(*plot);
plot->set_background_color(Gdk::RGBA("Yellow Green"));
//now let's set up the grid
grid.set_column_homogeneous(true);
grid.set_column_spacing(5);
grid.set_row_homogeneous(false);
grid.set_row_spacing(5);
int row_counter = 0;
show_edges_label.set_hexpand(true);
show_edges_label.set_vexpand(false);
show_edges_label.set_valign(Gtk::ALIGN_CENTER);
show_edges_label.set_halign(Gtk::ALIGN_END);
show_edges_switch.set_hexpand(true);
show_edges_switch.set_vexpand(false);
show_edges_switch.set_halign(Gtk::ALIGN_START);
show_edges_switch.set_valign(Gtk::ALIGN_CENTER);
show_edges_switch.set_active(plot->is_showing_edges());
show_edges_switch.property_active().signal_changed().connect([this, plot](){
if (show_edges_switch.get_active()) {
edge_color.set_sensitive();
edge_width_spin.set_sensitive();
show_labels_switch.set_sensitive();
plot->show_edges();
}
else {
edge_color.set_sensitive(false);
edge_width_spin.set_sensitive(false);
show_labels_switch.set_sensitive(false);
plot->hide_edges();
}
});
grid.attach(show_edges_label, 0, row_counter, 1, 1);
grid.attach(show_edges_switch, 1, row_counter++, 1, 1);
// show contour labels
show_labels_label.set_hexpand(true);
show_labels_label.set_vexpand(false);
show_labels_label.set_valign(Gtk::ALIGN_CENTER);
show_labels_label.set_halign(Gtk::ALIGN_END);
show_labels_switch.set_hexpand(true);
show_labels_switch.set_vexpand(false);
show_labels_switch.set_halign(Gtk::ALIGN_START);
show_labels_switch.set_valign(Gtk::ALIGN_CENTER);
show_labels_switch.set_active(plot->is_showing_labels());
show_labels_switch.property_active().signal_changed().connect([this, plot](){
if (show_labels_switch.get_active()) {
plot->show_labels();
}
else {
plot->hide_labels();
}
});
grid.attach(show_labels_label, 0, row_counter, 1, 1);
grid.attach(show_labels_switch, 1, row_counter++, 1, 1);
//color button
edge_color_label.set_hexpand(true);
edge_color_label.set_vexpand(false);
edge_color_label.set_valign(Gtk::ALIGN_CENTER);
edge_color_label.set_halign(Gtk::ALIGN_END);
edge_color.set_rgba(plot->get_edge_color());
edge_color.set_use_alpha(true);
edge_color.set_hexpand(true);
edge_color.set_vexpand(false);
edge_color.set_halign(Gtk::ALIGN_START);
edge_color.set_valign(Gtk::ALIGN_CENTER);
edge_color.signal_color_set().connect([this, plot](){plot->set_edge_color(edge_color.get_rgba());});
grid.attach(edge_color_label, 0, row_counter, 1, 1);
grid.attach(edge_color, 1, row_counter++, 1, 1);
//the edge width spinbutton
edge_width_label.set_hexpand(true);
edge_width_label.set_vexpand(false);
edge_width_label.set_valign(Gtk::ALIGN_CENTER);
edge_width_label.set_halign(Gtk::ALIGN_END);
edge_width_spin.set_hexpand(true);
edge_width_spin.set_vexpand(false);
edge_width_spin.set_halign(Gtk::ALIGN_START);
edge_width_spin.set_valign(Gtk::ALIGN_CENTER);
edge_width_spin.set_wrap(true);
edge_width_spin.set_snap_to_ticks(true);
edge_width_spin.set_numeric(true);
edge_width_spin.set_value(plot->get_edge_width());
edge_width_spin.signal_value_changed().connect([this, plot](){
plot->set_edge_width(edge_width_spin.get_value());
});
grid.attach(edge_width_label, 0, row_counter, 1, 1);
grid.attach(edge_width_spin, 1, row_counter++, 1, 1);
//nlevels
nlevels_label.set_hexpand(true);
nlevels_label.set_vexpand(false);
nlevels_label.set_valign(Gtk::ALIGN_CENTER);
nlevels_label.set_halign(Gtk::ALIGN_END);
nlevels_spin.set_hexpand(true);
nlevels_spin.set_vexpand(false);
nlevels_spin.set_halign(Gtk::ALIGN_START);
nlevels_spin.set_valign(Gtk::ALIGN_CENTER);
nlevels_spin.set_wrap(true);
nlevels_spin.set_snap_to_ticks(true);
nlevels_spin.set_numeric(true);
nlevels_spin.set_value(plot->get_nlevels());
nlevels_spin.signal_value_changed().connect([this, plot](){
plot->set_nlevels(nlevels_spin.get_value());
});
grid.attach(nlevels_label, 0, row_counter, 1, 1);
grid.attach(nlevels_spin, 1, row_counter++, 1, 1);
// colormap palette
colormap_palette_label.set_hexpand(true);
colormap_palette_label.set_vexpand(false);
colormap_palette_label.set_valign(Gtk::ALIGN_CENTER);
colormap_palette_label.set_halign(Gtk::ALIGN_END);
colormap_palette_combo.set_hexpand(true);
colormap_palette_combo.set_vexpand(false);
colormap_palette_combo.set_halign(Gtk::ALIGN_START);
colormap_palette_combo.set_valign(Gtk::ALIGN_CENTER);
colormap_palette_combo.append("Default");
colormap_palette_combo.append("Blue → Red");
colormap_palette_combo.append("Blue → Yellow");
colormap_palette_combo.append("Gray");
colormap_palette_combo.append("High frequencies");
colormap_palette_combo.append("Low frequencies");
colormap_palette_combo.append("Radar");
colormap_palette_combo.set_active(plot->get_colormap_palette());
colormap_palette_combo.signal_changed().connect([this, plot](){
plot->set_colormap_palette(static_cast<Gtk::PLplot::ColormapPalette>(colormap_palette_combo.get_active_row_number()));
});
grid.attach(colormap_palette_label, 0, row_counter, 1, 1);
grid.attach(colormap_palette_combo, 1, row_counter++, 1, 1);
//area fill pattern
area_fill_pattern_label.set_hexpand(true);
area_fill_pattern_label.set_vexpand(false);
area_fill_pattern_label.set_valign(Gtk::ALIGN_CENTER);
area_fill_pattern_label.set_halign(Gtk::ALIGN_END);
area_fill_pattern_combo.set_hexpand(true);
area_fill_pattern_combo.set_vexpand(false);
area_fill_pattern_combo.set_halign(Gtk::ALIGN_START);
area_fill_pattern_combo.set_valign(Gtk::ALIGN_CENTER);
area_fill_pattern_combo.append("Solid");
area_fill_pattern_combo.append("Horizontal lines");
area_fill_pattern_combo.append("Vertical lines");
area_fill_pattern_combo.append("Upward lines at 45 degrees");
area_fill_pattern_combo.append("Downward lines at 45 degrees");
area_fill_pattern_combo.append("Upward lines at 30 degrees");
area_fill_pattern_combo.append("Downward lines at 30 degrees");
area_fill_pattern_combo.append("Horizontal and vertical lines");
area_fill_pattern_combo.append("Upward and downward lines at 45 degrees");
area_fill_pattern_combo.set_active(plot->get_area_fill_pattern());
area_fill_pattern_combo.signal_changed().connect([this, plot](){
plot->set_area_fill_pattern(static_cast<Gtk::PLplot::AreaFillPattern>(area_fill_pattern_combo.get_active_row_number()));
if (area_fill_pattern_combo.get_active_row_number() == 0 /* SOLID */) {
area_lines_width_spin.set_sensitive(false);
}
else {
area_lines_width_spin.set_sensitive();
}
});
grid.attach(area_fill_pattern_label, 0, row_counter, 1, 1);
grid.attach(area_fill_pattern_combo, 1, row_counter++, 1, 1);
//the area lines width spinbutton
area_lines_width_label.set_hexpand(true);
area_lines_width_label.set_vexpand(false);
area_lines_width_label.set_valign(Gtk::ALIGN_CENTER);
area_lines_width_label.set_halign(Gtk::ALIGN_END);
area_lines_width_spin.set_hexpand(true);
area_lines_width_spin.set_vexpand(false);
area_lines_width_spin.set_halign(Gtk::ALIGN_START);
area_lines_width_spin.set_valign(Gtk::ALIGN_CENTER);
area_lines_width_spin.set_wrap(true);
area_lines_width_spin.set_snap_to_ticks(true);
area_lines_width_spin.set_numeric(true);
area_lines_width_spin.set_value(plot->get_area_lines_width());
area_lines_width_spin.signal_value_changed().connect([this, plot](){
plot->set_area_lines_width(area_lines_width_spin.get_value());
});
area_lines_width_spin.set_sensitive(false);
grid.attach(area_lines_width_label, 0, row_counter, 1, 1);
grid.attach(area_lines_width_spin, 1, row_counter++, 1, 1);
//colorbar
colorbar_label.set_hexpand(true);
colorbar_label.set_vexpand(false);
colorbar_label.set_valign(Gtk::ALIGN_CENTER);
colorbar_label.set_halign(Gtk::ALIGN_END);
colorbar_switch.set_hexpand(true);
colorbar_switch.set_vexpand(false);
colorbar_switch.set_halign(Gtk::ALIGN_START);
colorbar_switch.set_valign(Gtk::ALIGN_CENTER);
colorbar_switch.set_active(plot->is_showing_colorbar());
colorbar_switch.property_active().signal_changed().connect([this, plot](){
if (colorbar_switch.get_active()) {
plot->show_colorbar();
}
else {
plot->hide_colorbar();
}
});
grid.attach(colorbar_label, 0, row_counter, 1, 1);
grid.attach(colorbar_switch, 1, row_counter++, 1, 1);
paned.add1(grid);
//add canvas to grid
aspect_frame.add(canvas);
paned.add2(aspect_frame);
//finishing up
add(paned);
set_border_width(10);
#if GTKMM_MAJOR_VERSION == 3 && GTKMM_MINOR_VERSION >= 18
paned.set_wide_handle(true);
#endif
paned.show_all();
}