As one of the basic elements of map rendering, surface can represent various forms of areas in the map, such as sea level, green space and so on. Surface data is usually stored as a discrete string of points, so rendering it as a closed graph is of primary concern.

Recently the company has a map function development, according to the latitude and longitude of the vehicle driving, to draw the moving track of the vehicle, and simulate the vehicle driving process in the line. It looks something like this. First, enter the Tencent location service page and then register an account. After registration, we need to apply for AppKey. We will configure this Key in our application to use the services in the SDK. WebServeAPI is checked by default. Before we go live, we...

How to use Tencent location service API1, register as a developer 2, apply for a key, create a new key in the location as shown in the figure 3, configure the official API use example (JavaScript) through the search interface to find the location of the individual company: [link] & Key = the key you applied to query to the company location for (31.329716,121.508386) initialize the map with the center set to the company location {code... } effect display: the location of the annotation is the center of the setting. Location for the company...

When we use maps for development, it is a very common method to check the accuracy of navigation by using recorded tracks for track playback. In the last article, we have finished the recording of GPS track files when using maps. Now I would like to share the track playback using Tencent navigation SDK under Android system

At present, Tencent location services provide route planning, map selection, subway map, city selector plug-in four plug-in products, this blog mainly for map selection function to achieve. Enter the WeChat public platform 2. Log in and enter the background of the small program, select "Development - Development Tools - Tencent Location Service" 3. Click "Open" to enter the authorization scanning interface 4.

A GPSRecordSystem is divided into three parts: start recording, record GPS positioning, and end recording and storage, as shown on the right of the figure above. In practical application, the navigation system is taken as an example :(1) at the start of navigation, the relevant configuration of recording work is carried out; (2) Receiving the callback of Android OnLocationChanged to record GPSLocation; (3) When you stop navi...

To realize this function, Tencent Location Services Family Bucket is still required: Tencent Navigation SDK, Tencent Map SDK, Tencent Location SDK, and Tencent Company and ride SDK. To open the specific permissions, you need to go to the official website console of lbs.qq.com. To operate the specific permissions of SDK, you can contact Little Assistant for consultation (as shown in the figure below).

Keyword input prompt interface can be used to get input keyword completion and prompt to help users quickly input. You can achieve an Autocomplete with the front-end program.

In the property management, the staff inspection in the community is still one of the very common work. In order to reduce the investment in the property, the design adopts the scanning two-dimensional code to assist the system to detect the location of each staff inspection, so as to carry out the routine property inspection work. Although QR codes are cheap and easy to use, due to their photo-taking and passive mode, they can lead to cheating problems. Therefore, a positioning function should be added to assist the system in identifying cheating in the routine scanning of codes.

Map is widely used. At present, map services provide map operation, annotation, location search, travel planning, address resolution, street view and other interfaces, with very rich functions. In the actual development process, each has its advantages and disadvantages. Based on the demand, Tencent location service is used to develop an H5 page for the location marking of public toilets.