I want to call the map, or offline map, and then put together as a parameter to display multiple locations I submit in the past, displayed on the map, how to do it, please? There is a best example,
In addition, I have a base station code, it is converted to latitude and longitude as parameters submitted to map again?

CodePudding user response:

This API with which a specific map with you, baidu map, for example, you want to mark the location of the longitude and latitude to obtain, called baidu API interface, convert it to baidu map coordinate system used in the corresponding latitude and longitude, and then call related annotation interface can convert the latitude and longitude marked out, after baidu map provides a javascript API, other maps have similar to note here is that the general use of measuring equipment for latitude and longitude is wgs84 coordinates, general is map of China with other coordinates, to change my, otherwise the up position can slant a dozens of meters,

CodePudding user response:

A few years ago for a reference:
https://blog.csdn.net/jankercsdn/article/details/45392635