void Histogram_gui::update_all() {
/*
std::vector<float> frequencies = histogram_->histogram_frequencies();
unsigned int size = frequencies.size();
std::pair<float,float> min_max = histogram_->clipping_values();
double* x = new double[size+1];
double* y = new double[size+1];
for( unsigned int i= 0 ; i < size ; i++ ) {
x[i] = min_max.first +
double(i) * (min_max.second - min_max.first) / double( size );
y[i] = frequencies[i];
}
x[size] = min_max.second;
y[size] = y[size-1];
refresh_plot( std::make_pair( x,y ), size+1);
refresh_stats();
delete [] x;
delete [] y;
*/
changeCurve(control_panel_->whatPlot());
if (curve_id_->minXValue() <= 0) {
x_logscale_checkbox_->setText("Remove zeros from data first!");
x_logscale_checkbox_->setEnabled( false );
}
else{
x_logscale_checkbox_->setText("Logarithmic Scale");
x_logscale_checkbox_->setEnabled( true );
}
}
void polynomFitDialog::fit()
{
QString curve = boxName->currentText();
QStringList curvesList = graph->curvesList();
if (curvesList.contains(curve) <= 0)
{
QMessageBox::critical(this,tr("QtiPlot - Warning"),
tr("The curve <b> %1 </b> doesn't exist anymore! Operation aborted!").arg(curve));
boxName->clear();
boxName->insertStringList(curvesList);
return;
}
int index = boxName->currentItem();
QwtPlotCurve *c = graph->curve(index);
if (!c || c->dataSize()<2)
{
QString s= tr("You can not fit curve:");
s+="<p><b>'"+boxName->text(index)+"'</b><p>";
s+=tr("because it has less than 2 points!");
QMessageBox::warning(0,tr("QtiPlot - Warning"),s);
changeCurve(index);
}
else
{
ApplicationWindow *app = (ApplicationWindow *)this->parent();
app->fitNumber++;
graph->setFitID(app->fitNumber);
QString result = graph->fitPolynomial(boxName->currentText(),boxOrder->value(),
boxPoints->value(), boxStart->text().toDouble(),
boxEnd->text().toDouble(), boxShowFormula->isChecked(),
boxColor->currentItem());
app->updateLog(result);
}
}