From 403ce5391e0fecc51bf50c86070ebc0e6d7e05af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gusso230@student.liu.se>
Date: Mon, 17 Aug 2020 19:34:09 +0200
Subject: add tsp code

---
 labb3/tsp/src/tsp.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 labb3/tsp/src/tsp.cpp

(limited to 'labb3/tsp/src/tsp.cpp')

diff --git a/labb3/tsp/src/tsp.cpp b/labb3/tsp/src/tsp.cpp
new file mode 100644
index 0000000..297cc26
--- /dev/null
+++ b/labb3/tsp/src/tsp.cpp
@@ -0,0 +1,63 @@
+/*
+ * TDDD86 TSP
+ * This client program uses your Tour class and contains the 'main'
+ * function to open the input file and set up the program's primitive GUI.
+ */
+
+#include <QApplication>
+#include <QGraphicsView>
+#include <QGraphicsScene>
+#include <chrono>
+#include <thread>
+#include <fstream>
+#include <iostream>
+#include <iomanip>
+#include "Point.h"
+#include "Tour.h"
+
+int main(int argc, char *argv[]) {
+    QApplication a(argc, argv);
+
+    string filename = "tsp100.txt";
+    ifstream input;
+    input.open(filename);
+
+    // get dimensions
+    int width;
+    int height;
+    input >> width;
+    input >> height;
+
+    // setup graphical window
+    QGraphicsView *view = new QGraphicsView();
+    QGraphicsScene *scene = new QGraphicsScene();
+    view->setScene(scene);
+    view->scale(1, -1); //screen y-axis is inverted
+    view->setSceneRect(0, 0, width, height);
+    view->show();
+
+    // run insertion heuristic
+    Tour tour;
+    double x;
+    double y;
+    while (input >> x >> y) {
+        Point p(x, y);
+        tour.insertNearest(p);
+        // uncomment the 4 lines below to animate
+        // tour.draw(scene);
+        // std::chrono::milliseconds dura(50);
+        // std::this_thread::sleep_for(dura);
+        // a.processEvents();
+    }
+    input.close();
+
+    // print tour to standard output
+    cout << "Tour distance: " << std::fixed << std::setprecision(4)
+         << std::showpoint << tour.distance() << endl;
+    cout << "Number of points: " << tour.size() << endl;
+    tour.show();
+
+    // draw tour
+    tour.draw(scene);
+    return a.exec(); // start Qt event loop
+}
-- 
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