In order to satisfy the user cognitive demands,the simplification map are used to provide the whole route information which includes only simplification route and the landmarks on the way,and the map display contents are visualized depending on the placename"s ranking;the paper also studies the different simplify principles from traditional map synthesis,that is ,releases the veracities of route geometry elements such as length and angle for the sake that the relative user"s task cognitive informations are displayed with clarity and legible on the limited screen;researches on the route simplify algorithms that preserving the topology-coherence.the paper exploits the application software for LBS navigation service.

在滿足用戶當前認知需求前提下在线免费AV，提出用簡化路線圖提供整個路線信息人人干人人操在线，簡化圖中包含已簡化過的路線和路線兩邊的地標，而且地圖內容可視化依據(jù)于地名等級日韩欧美午夜在线；研究不同于傳統(tǒng)制圖綜合原則的路線認知簡化原則精品国产点击网站，即放松路線中幾何元素的準確度，以確保與用戶任務相關的道路認知信息最大清晰度地展現(xiàn)在有限屏幕上亚洲978eee；研究保持拓撲一致性的快速路線簡化算法色一情一乱一伦一区二区三欧美。

placeless：沒有固定位置的

placeinacertainpositionassigntoajobplant 安插 | placeless 沒有固定位置的 | placename 莆