stl file given as command line argument

main.cpp

@@ -454,6 +454,9 @@ inline float CheckSame(CVector p1, CVector p2)
 
 int main(int argc, char** argv)
 {
+
+	if (argc <= 1) return -1;
+
 	glutInit(&argc, argv); // init OpenGL
 	glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGBA | GLUT_DEPTH); // set the display mode
 	glutInitWindowSize((int)gWidth, (int)gHeight); // set the window size
@@ -469,9 +472,7 @@ int main(int argc, char** argv)
 	glutMotionFunc(motion);
 	init(); // init
 
-	//read_stl("C:\\Users\\stlukohl\\Desktop\\computer_graphics\\ViewSTL\\x64\\Debug\\12846565_cap_hell.stl", allTriangles);
-	read_stl("C:\\Users\\stlukohl\\Desktop\\computer_graphics\\ViewSTL\\x64\\Debug\\Lower.stl", allTriangles);
-	//read_stl("E:\\Elke\\Praktikum_WS2019_20\\Lower.stl", allTriangles);
+	read_stl(argv[1], allTriangles);
 
 	/*vector <CTriangle> allTrianglesCopy;
 	for (int i = 0;i<allTriangles.size();i++)