Military needs have often resulted in the publication of very accurate maps. During the last 40 years, precision plotting using stereoscopic comparison of aerial photographs has become a reality, with many countries following similar schemes.
पहले ही, कुछ वाहनों में कम्प्यूटर के चलते - नक़्शे - प्रदर्शन है और साथ ही गृह कम्प्यूटरों के लिए विस्तृत यात्रा नक़्शे हैं ।