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#include <cmath>
#include <QSurfaceFormat>
#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include "mp.h"
#include "scatterplot.h"
int main(int argc, char **argv)
{
QGuiApplication app(argc, argv);
qmlRegisterType<Scatterplot>("PM", 1, 0, "Scatterplot");
/*QQuickView view;
QSurfaceFormat format = view.format();
format.setSamples(16);
view.setFormat(format);
view.setResizeMode(QQuickView::SizeRootObjectToView);
view.setSource(QUrl("qrc:///main_view.qml"));*/
QSurfaceFormat fmt;
fmt.setSamples(16);
QSurfaceFormat::setDefaultFormat(fmt);
QQmlApplicationEngine engine(QUrl("qrc:///main_view.qml"));
if (argc > 1) {
arma::mat dataset;
dataset.load(argv[1], arma::raw_ascii);
arma::mat X = dataset.cols(0, dataset.n_cols - 2);
arma::vec labels = dataset.col(dataset.n_cols - 1);
arma::uword n = dataset.n_rows;
arma::uword subsampleSize = (arma::uword) sqrt(n) * 3;
arma::uvec sampleIndices = arma::randi<arma::uvec>(subsampleSize, arma::distr_param(0, n-1));
arma::mat Ys = arma::randn(subsampleSize, 2);
Ys = mp::forceScheme(mp::dist(X.rows(sampleIndices)), Ys);
// Plot the subsample
Scatterplot *plot = engine.rootObjects()[0]->findChild<Scatterplot *>("subsamplePlot");
arma::mat subsampleData(subsampleSize, 3);
subsampleData.cols(0, 1) = Ys;
subsampleData.col(2) = labels(sampleIndices);
plot->setData(subsampleData);
// Plot entire dataset
plot = engine.rootObjects()[0]->findChild<Scatterplot *>("plot");
arma::mat reducedData(n, 3);
reducedData.cols(0, 1) = mp::lamp(X, sampleIndices, Ys);
reducedData.col(2) = labels;
plot->setData(reducedData);
}
return app.exec();
}
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