void print_text(float x, float y, char *text) {
    char *p;   

    glColor3f(0.0, 0.0, 0.0);
    
    glPushMatrix();
    
    // glScalef(1, 1, 1);
    glTranslatef(x, y, 0);    
    glScalef(.00035, .00050, 1.0);
    
    for (p = text; *p; p++) {	
	glutStrokeCharacter(GLUT_STROKE_ROMAN, *p);
    }
    
    glPopMatrix();    
}


void draw_extra_info() {    
    char buff[20];
    
    glColor3f(0.5, 0.5, 0.5);
    
    for (float i = -100; i < 100; i += 0.1) {	
	glBegin(GL_LINES);	
	glVertex2f(i, -100);
	glVertex2f(i, 100);
	glEnd();

	sprintf(buff, "%.2f", i);
	print_text(i + 0.05, floor(originalPmax.y) - 0.1, buff);
    }
    
    for (float i = -100; i < 100; i += 0.1) {
	glBegin(GL_LINES);
	glVertex2f(-100, i);
	glVertex2f(100, i);
	glEnd();
   
	sprintf(buff, "%.2f", i);
	print_text(floor(originalPmin.x) + 0.05, i + 0.05, buff);
    }
}