From 0b6df071d94ae8f7c9cdd3c96506a1420129e471 Mon Sep 17 00:00:00 2001
From: Samuel Fadel <samuelfadel@gmail.com>
Date: Fri, 15 May 2015 18:10:52 -0300
Subject: Initial commit. ForceScheme seems bugged.

---
 main.cpp | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 main.cpp

(limited to 'main.cpp')

diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..863a20d
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,48 @@
+#include <cmath>
+#include <QGuiApplication>
+#include <QtQuick/QQuickView>
+
+#include "mp.h"
+#include "glyph.h"
+#include "scatterplot.h"
+
+arma::uvec getSample(arma::uword n)
+{
+    return arma::randi<arma::uvec>((arma::uword) 3*sqrt(n), arma::distr_param(0, n-1));
+}
+
+arma::mat getProjection(const arma::mat &X)
+{
+    arma::uword n = X.n_rows;
+    arma::uvec sampleIndices = getSample(n);
+    arma::mat Ys = arma::randn(sampleIndices.n_elem, 2);
+    Ys = mp::forceScheme(mp::dist(X.rows(sampleIndices)), Ys);
+    return mp::lamp(X, sampleIndices, Ys);
+}
+
+int main(int argc, char **argv)
+{
+    QGuiApplication app(argc, argv);
+
+    qmlRegisterType<Scatterplot>("PM", 1, 0, "Scatterplot");
+    qmlRegisterType<Glyph>("PM", 1, 0, "Glyph");
+
+    QQuickView view;
+    QSurfaceFormat format = view.format();
+    format.setSamples(16);
+    view.setFormat(format);
+    view.setResizeMode(QQuickView::SizeRootObjectToView);
+    view.setSource(QUrl("qrc:///main_view.qml"));
+
+    if (argc > 1) {
+        arma::mat X;
+        X.load(argv[1], arma::raw_ascii);
+        arma::mat projection = getProjection(X);
+        Scatterplot *plot = view.rootObject()->findChild<Scatterplot *>("plot", Qt::FindDirectChildrenOnly);
+        plot->setData(projection);
+    }
+
+    view.show();
+
+    return app.exec();
+}
-- 
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