fix rendering

Author: jjdredd

IsingWindow.cpp

@@ -79,10 +79,15 @@ IsingWidget::IsingWidget (unsigned M, unsigned N, double J,
 	setFixedWidth(M);
 	setFixedHeight(N);
 
+	render_timer = new QTimer(this);
+	connect(render_timer, SIGNAL (timeout()), this, SLOT (update()) );
+	render_timer->start(100);
+
 }
 
 IsingWidget::~IsingWidget () {
 	delete imc;
+	delete render_timer;
 }
 
 void IsingWidget::paintEvent (QPaintEvent *e) {
@@ -93,12 +98,6 @@ void IsingWidget::paintEvent (QPaintEvent *e) {
 	unsigned PenSize = 1;
 	unsigned offset = PenSize ? PenSize : 1;
 
-	// std::cout << imc->Energy() << std::endl;
-
-	// std::cout << "Energy: " << imc->Energy()
-	// 	  << " Magnetization: " << imc->Magnetization()
-	// 	  << std::endl;
-
 	QPen WhitePen(Qt::white, PenSize, Qt::SolidLine),
 		BlackPen(Qt::black, PenSize, Qt::SolidLine);
 	for (unsigned i = 0; i < imc->XSize(); i++) {
@@ -123,13 +122,10 @@ void IsingWidget::simulationThread(unsigned num) {
 		for (unsigned i = 0; i < num; i++) {
 			imc->Step();
 		}
-		// emit paintEvent(0);
-		update();
 	}
 }
 
 void IsingWidget::ToggleSimulation(bool sstate) {
-	std::cout << "state of simulation before changing: " << running << std::endl;
 	if (sstate) { startSimulation(); }
 	else { stopSimulation(); }
 }

IsingWindow.hpp

@@ -10,6 +10,7 @@
 #include <QString>
 #include <QGridLayout>
 #include <QPushButton>
+#include <QTimer>
 #include <thread>
 
 #include "IsingMC.hpp"
@@ -66,6 +67,7 @@ class IsingWidget : public QWidget {
 	IsingMC *imc;
 	bool running;
 	unsigned iterations;
+	QTimer *render_timer;
 
 };
 

main.cpp

@@ -4,8 +4,8 @@
 
 int main(int argc, char *argv[]) {
 
-	unsigned NX = 500;
-	unsigned NY = 500;
+	unsigned NX = 100;
+	unsigned NY = 100;
 
 	QApplication app(argc, argv);
 	IsingWindow iw(NX, NY, 1.14, 0.5);