| 430 | PlotChannel *PlotWidget::selectedChannel() const { return m_selectedChannel; } |
| 431 | |
| 432 | QString PlotWidget::generateCsvData() |
| 433 | { |
| 434 | QString result; |
| 435 | QTextStream out(&result); |
| 436 | out.setRealNumberNotation(QTextStream::FixedNotation); |
| 437 | out.setRealNumberPrecision(10); |
| 438 | |
| 439 | QList<PlotChannel *> enabledChannels; |
| 440 | for(PlotChannel *ch : m_plotChannels) { |
| 441 | if(ch->isEnabled() && ch->curve() && ch->curve()->data() && ch->curve()->data()->size() > 0) { |
| 442 | enabledChannels.append(ch); |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | if(enabledChannels.isEmpty()) { |
| 447 | return result; |
| 448 | } |
| 449 | |
| 450 | // Write header: X (unit), Ch1_Y (unit), Ch2_Y (unit), ... |
| 451 | QString xUnits = enabledChannels.first()->xAxis()->getUnits(); |
| 452 | if(!xUnits.isEmpty()) { |
| 453 | out << "X (" << xUnits << ")"; |
| 454 | } else { |
| 455 | out << "X"; |
| 456 | } |
| 457 | for(PlotChannel *ch : enabledChannels) { |
| 458 | QString yUnits = ch->yAxis()->getUnits(); |
| 459 | if(!yUnits.isEmpty()) { |
| 460 | out << "," << ch->name() << " (" << yUnits << ")"; |
| 461 | } else { |
| 462 | out << "," << ch->name(); |
| 463 | } |
| 464 | } |
| 465 | out << "\n"; |
| 466 | |
| 467 | size_t maxSize = 0; |
| 468 | for(PlotChannel *ch : enabledChannels) { |
| 469 | maxSize = std::max(maxSize, ch->curve()->data()->size()); |
| 470 | } |
| 471 | for(size_t i = 0; i < maxSize; i++) { |
| 472 | // Use X from first channel |
| 473 | QwtSeriesData<QPointF> *firstData = enabledChannels.first()->curve()->data(); |
| 474 | if(i < firstData->size()) { |
| 475 | out << firstData->sample(i).x(); |
| 476 | } else { |
| 477 | out << ""; |
| 478 | } |
| 479 | |
| 480 | for(PlotChannel *ch : enabledChannels) { |
| 481 | QwtSeriesData<QPointF> *data = ch->curve()->data(); |
| 482 | out << ","; |
| 483 | if(i < data->size()) { |
| 484 | out << data->sample(i).y(); |
| 485 | } |
| 486 | } |
| 487 | out << "\n"; |
| 488 | } |
| 489 | |