Modern navigation services provide users with much more opportunities than just plotting a route from point A to point B. One of the popular functions, especially for outdoor enthusiasts, tourists and logistics specialists, is the ability to quickly and accurately determine distance between arbitrary objects on map. In the ecosystem Yandex this tool is implemented intuitively, but its location in the interface of a mobile application based on Android may not be obvious to beginners.
Knowing how to use using a ruler allows you not only to plan walking trips or estimate the length of a running route, but also to solve everyday problems, for example, estimating the distance of a new office from home or calculating the approximate mileage when delivering goods. The accuracy of measurements in the application is quite high for civilian needs, since an up-to-date cartographic base is used, taking into account the road network and terrain.
In this article we will analyze in detail the algorithm of actions required to activate the measurement mode, discuss the nuances of working with polylines and provide answers to frequently asked questions. You will learn how to manage control points and get the total length of a polyline in a matter of seconds right on the screen of your smartphone.
Preparation of the application and basic settings
Before you start taking measurements, you need to make sure that you have the latest version of the software installed. Developers regularly update the interface Yandex.Maps, adding new functions and improving the stability of geographic information systems. Go to Google Play or Yandex.Store and check for updates for the application.
A critical aspect is to have a stable Internet connection. Although base maps can be loaded in advance, the measurement mode often requires loading vector data and recalculating coordinates in real time. Without a network, the function may not work correctly or be completely unavailable.
⚠️ Attention: The distance measurement function may not be available in very old versions of the application (released several years ago). If you do not find the buttons described below, first of all, update the software to the latest available build.
It is also worth checking the map display settings. For ease of working with the ruler, it is recommended to switch to Scheme or Hybridmode, where roads and buildings are clearly visible. In the mode Satellite without street labels, it is sometimes difficult to accurately position anchor points.
To save traffic, download offline maps of your region in the settings in advance application, but remember that the ruler will still require a short-term network connection to initialize the session.
Activating the measurement mode on the map
The process of launching the measurement tool begins with searching for the starting point on the map. Open the app and find the location you want to start counting from. This can be your current geolocation marker, the address of an organization, or any infrastructure object.
Next, you need to call the context menu of the selected object. Unlike the desktop version, where a right-click is often enough, in the mobile interface Android The logic is a little different. You need to long press on the screen at the desired point for a red pin (marker) to appear.
After setting the pin, a panel with information about the location will pop up at the bottom of the screen. Here you need to find an icon with a picture of a ruler or an inscription Measure distance. Clicking on this element activates a special navigation mode.
- 📍 Find the starting point on the map and hold your finger on the screen until a red marker appears.
- 📏 In the bottom action bar, select the button with the ruler icon.
- 🗺️ The map will go into route construction mode and you will see the first control point.
☑️ Start measurement
Constructing a broken line and adding points
After activating the mode, the first reference point will appear on the screen. Now your task is to build the path whose length you want to know. To do this, simply move the map so that the cursor or new point is at the next location of interest to you, and press the add button (usually a blue plus or just a tap on the screen, depending on the interface version).
Each new click adds a vertex to your polyline. You can build routes of any complexity: straight sections, zigzags along the streets or around obstacles. The application automatically sums the length of all segments and displays the total at the bottom of the screen in meters or kilometers.
It is important to understand the difference between linear distance ("as the crow flies") and the actual path. The tool allows you to decide how to lay the line. If you are measuring the distance for a drone to fly, place the dots in a straight line. If you are walking, try to keep your line strictly along sidewalks and paths.
⚠️ Attention: When frequently adding points on a small smartphone screen, there is a risk of accidentally moving the map and placing a vertex in the wrong place. Use the zoom function (pinch with two fingers) for more accurate positioning in dense urban areas.
To delete the last erroneously placed point, there is usually a button Back or the trash can icon in the control panel. This allows you to quickly adjust the route without having to start the measurement again.
Limitations on the number of points
In most mobile applications there is a technical limit on the number of vertices in one dimension (usually about 50-100 points). For everyday tasks this is more than enough, but when trying to digitize a very long and detailed route, the system may offer to break it into parts.
Editing a route and managing points
The flexibility of the tool lies in the ability to post-process the created line. If you notice that one of the segments goes through a building or is not where it should be, you can change the position of any intermediate point. To do this, just click on an existing vertex on the map and drag it to a new location.
When you move a point, the total distance is recalculated instantly. This is convenient for adjusting the route to actual terrain conditions. You can see how the numbers change in real time, which helps optimize the path.
Deleting points is also done through the context menu of the vertex itself. By clicking on the circle of a control point, you often have the opportunity to delete that particular segment or break the line at a given location. The interface Yandex.Maps tries to make these actions as tactile and understandable as possible.
| Action | Method of execution | Result |
|---|---|---|
| Adding a point | Tap on a free area of the map | Increasing the total length of the route |
| Moving a point | Long press and drag | Adjusting the shape of the line and recalculating the distance |
| Deleting a point | Selecting a point and clicking "Delete" | Reducing length and simplifying geometry |
| Clear everything | Button "Reset" or "Close" | Complete deletion of the constructed polyline |
Do not forget that the accuracy of the snap depends on the scale of the map. The closer you zoom in on the image, the more accurately you can set a point on a specific corner of a building or the beginning of a path.
Data interpretation and measurement accuracy
The resulting numbers represent the geodetic distance along the surface of the ellipsoid, taken as the model of the Earth in this map projection. For most users, the difference between “distance along a surface” and “distance along a straight line in space” is negligible and has no practical significance.
However, it is worth considering that the application does not take into account differences in elevation (terrain). If you are measuring a distance in a mountainous area, the actual distance you will have to cover, taking into account ups and downs, will be greater than what is shown 2D projection on the smartphone screen.
The quality of the map data also affects the accuracy. In new residential areas or in poorly explored areas, roads may be marked with an error of several meters. This may lead to slight discrepancies in the measurement.
The application shows the distance on the map surface (2D), ignoring elevation changes, so in mountainous areas the actual length of the path will be greater than indicated.
For comparison: the error in urban conditions usually does not exceed 1-2% of the total length of the route, which is quite acceptable for planning travel time or estimating calorie content walks.
Alternative methods and comparison of tools
In addition to manually building a line through the "Measure distance" menu, users often confuse this function with building a car or walking route through button Route. It is important to distinguish between these concepts. The route builder searches for the optimal path according to traffic rules, while the ruler allows you to draw arbitrary geometric shapes.
If your goal is to learn how many kilometers you will have to travel by car, use a standard navigator. If you need to find out the straight line distance between two houses or the length of a fence, use the measurement tool.
In some scenarios, it is useful to combine these approaches. For example, build a driving route, and then switch to measurement mode to add a walk from the parking lot to the entrance to the building, getting the total combined distance.
⚠️ Attention: The interface of mobile applications is updated more often than the web versions. The location of buttons and icons may change depending on the OS version Android and updates to the application itself Yandex.Maps. If you do not find the described elements, look for them in the drop-down menu of the map settings.
Third-party applications for measuring distances exist, but the built-in tool Yandex benefits due to the high detail of the maps specifically for the CIS regions and no need to install additional software.
Frequently asked questions (FAQ)
Is it possible to save a measured route for offline use?
At the moment, the function of saving exactly measured polylines in a separate file or bookmark in an application Yandex.Maps on the mobile platform is limited. You can take a screenshot of the results. For constant use, it is better to save the points as bookmarks, but recalculate the line itself.
Why does the distance change when the map gets closer?
The distance itself does not change, but the positioning accuracy of the point you set may change. When the map is very distant, one pixel of the screen corresponds to a large distance on the ground, which makes it difficult to accurately position the marker. Zoom in on the map for high accuracy.
Does distance measurement work without the Internet?
Full operation of the tool requires a network connection to download vector data and calculate on the server. In completely offline mode (without pre-loaded maps and cache), the function most likely will not be activated or will show an error.
How to measure the area of a plot using this tool?
There may not be a direct tool for measuring area in the mobile application (this function is often available in the web version or professional services). However, if you know the length of the sides of a rectangular area, you can manually calculate the area. For complex figures, you will need to use third-party calculators based on coordinates.
Is it possible to share the measured distance with friends?
You can take a screenshot and send it to messenger. There may not be a direct “Share measurement route” function as such in the interface, unlike the “Share location” function. The focus of the tool is on personal quick analysis.