The ranging tool class of Baidu Maps is open to the public. Allows users to measure distances by clicking on the map. Users can customize the related styles of distance measurement line segments, such as line width, color, unit system used for distance measurement results, etc. The main entry class is DistanceTool, based on Baidu Map API 1.2.

Baidu Maps road book. Realize marker movement along the route, and have functions such as pause. Based on Baidu Map API 1.2.

The rich Marker class of Baidu Maps is open to the outside world. Allows users to customize rich Marker displays and add events such as clicks, double-clicks, and drags. Based on Baidu Map API 1.2.

Annotation manager for Baidu Maps. Multi-marker management is more efficient and analysis is faster. Based on Baidu Map API 1.2.

Baidu Map’s infoBox. Similar to infoWindow, it is more flexible than infoWindow. For example, you can customize the border, close button style, etc. Based on Baidu Map API 1.2.

Baidu Map API event wrapper class, open to the outside world. The event mechanism provided by Baidu Maps has been packaged to provide a better event binding and deletion experience. Based on Baidu Map API 1.2.

The MapWrapper class provides the function of adding Markers in the form of Google or GPS coordinates to Baidu maps. Users can directly add Markers in the form of Google or GPS coordinates to Baidu maps through the addOverlay method provided by this class. There is no need to convert Google or GPS coordinates to Baidu coordinates first and then add them. Based on Baidu Map API 1.2.

Provides a "Baidu map style" information window, and the window content can be freely customized in various styles.

An open source code library that provides editing toolbars for drawing points, lines, surfaces, and polygons (rectangles, circles) with the mouse. And users can use the JavaScript API corresponding to the covering (point, line, surface, etc.) class interface to set its properties (such as color, line width, etc.), edit (such as turning on line vertex editing, etc.) and other functions. Based on Baidu Map API 1.4.

An open source code library that provides arc drawing functions, and users can draw the desired arc style through editing functions (such as turning on dragging start and end points, line width and color). Based on Baidu Map APIv1.5.

City administrative area and business district data acquisition tool class. Users can intelligently obtain city administrative area and business district polygon and related coordinate point data by calling this interface. The main entry class is CityList, based on Baidu Map API 1.5.

Provides heatmap visual display function. Note: Supports chrome, safari, IE9 and above browsers. The core code mainly comes from the third-party heatmap.js. The main entry class is HeatmapOverlay, based on Baidu Map API 2.0.