diff --git a/display.c b/display.c
index d19b244..92c6590 100644
--- a/display.c
+++ b/display.c
@@ -122,13 +122,16 @@ void renderScene() {
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) ;
 	
 	drawAxes();
-	//displayTree2();
-	//displayTree(t);
+	displayQTTree(qtn);
 	
 	glFlush();
 	SDL_GL_SwapBuffers();
 }
 
+void displayQTTree(QTNode *qn) {
+	QT_enumerate(qn);
+}
+
 /*
 int nbTriangles(Triangle *t) {
 	int sum = 0;
@@ -198,9 +201,6 @@ void setNormals(Triangle *t) {
 		y = y/length;
 		z = z/length;
 		
-		
-		
-
 		t->vLeft->xNormal = x;
 		t->vLeft->yNormal = y;
 		t->vLeft->zNormal = z;
@@ -236,7 +236,7 @@ void displayTree(Triangle *t) {
 
 int main() {
 	initWindow();
-	//t = initDefaultExample();
+	qtn = QT_example();
 	//nbVertex = nbTriangles(t);
 	//printf("nombre de triangles : %d\n",nbVertex);
 	
diff --git a/display.h b/display.h
index e2acd53..5370a96 100644
--- a/display.h
+++ b/display.h
@@ -7,12 +7,13 @@
 int initWindow();
 int mainLoop();
 void renderScene();
+void displayQTTree(QTNode *qn);
 //void setNormals(Triangle *t);
 //void displayTree(Triangle *t);
 //void displayTree2();
 void Draw_Axes ();
 
-//Triangle *t;
+QTNode *qtn;
 int *vertices;
 int windowWidth = 1024;
 int nbVertex = 0;
diff --git a/square.c b/square.c
index 188dd06..a8207b1 100644
--- a/square.c
+++ b/square.c
@@ -203,6 +203,8 @@ void QT_enumerate(QTNode* first) {
 	QTNode* n;
 	int r;
 	Vertex* v;
+	v=NULL;v=v;
+	r=0;r=r;
 	for (n = first; n != NULL; n = n->nextNode) {
 		// GL_Begin(TRIANGLE_FAN_LOOP);
 		// envoyer le vertex central :
@@ -211,8 +213,9 @@ void QT_enumerate(QTNode* first) {
 		for (r = 0; r < 4; r++) {
 			// On parcourt tous les vertices le long du côté.
 			for (v = n->vertices[ROT_NO]; v != n->vertices[ROT_NE]; v = v->next[ROT_E]) {
+				printf("%d\n",r);
 				// envoyer un vertex du fan :
-				(void)(v);
+				//(void)(v);
 			}
 		}
 		// Nécessaire ssi on fait un TRIANGLE_FAN et qu'on ne peut pas lui dire de fermer la boucle.