根据西南角坐标及比例尺，计算本标准分幅的平面面积及球面面积等，为地理信息系统行业的常用工具

根据西南角坐标及比例尺，计算本标准分幅的平面面积及球面面积等，为地理信息系统行业的常用工具-According to the southwest corner and scale the coordinates to calculate the standard score increase of surface area and the spherical surface area, such as, for geographic i

地图图幅计算工具，可以自动计算中国地图的图幅编号。是测绘好帮手-Map map sheet calculation tool that can automatically calculate the map of China' s map sheet number. Is a good helper Surveying and Mapping

利用JS，由图幅编号（新图幅编号），获得对应的左下角坐标和范围。(Using JS, the corresponding left lower corner coordinates and range are obtained by the map marking)