Look at the dark brown railway line

Oct 13, 2025 by wbrum.org 0 views

Introduction

As a user of Organic Maps, a popular open-source alternative to Google Maps, you may have encountered various issues while navigating through different locations. In this article, we will focus on a specific problem that has been reported by a user, which involves a map display issue in 'metro' mode for a particular location in Germany. We will delve into the details of the issue, provide steps to reproduce it, and discuss the expected behavior.

Describe the Issue

The issue at hand involves a railway (metro) line displayed with some obviously erroneous straight lines emanating from some stop. This problem is specific to a particular location in Germany, which can be accessed by visiting the URL https://omaps.app/Y4D1z19uF1/My_Position. The issue is not related to the data itself, as the same transportation map is displayed correctly in the web version of OpenStreetMaps.

Steps to Reproduce

To reproduce the issue, follow these steps:

Visit the location: Open Organic Maps and navigate to the location https://omaps.app/Y4D1z19uF1/My_Position.
Select 'Metro' display style: Switch to the 'Metro' display style to observe the issue.
Look at the dark brown railway line: Focus on the dark brown railway line going up in a curve. Observe two slanted lines emanating at the top, which do not correspond to anything real.

Expected Behavior

The expected behavior is for the map to be displayed without the erroneous straight lines, which are not visible when looking at the transportation map in the web version of OpenStreetMaps. This suggests that the issue is related to the display rather than the data itself.

Screenshots

To better understand the issue, a screenshot has been provided below:

System Information

To provide more context, the following system information is relevant:

Operating System and Version: iOS 18.3.1
Organic Maps Version: 2025.02.17-2.1755.38706
Device Model: iPhone SE

Conclusion

In conclusion, the map display issue in 'metro' mode for a particular location in Germany is a specific problem that requires attention. By following the steps to reproduce the issue, users can experience the problem firsthand. The expected behavior is for the map to be displayed without the erroneous straight lines, which are not visible in the web version of OpenStreetMaps. We hope that this article has provided valuable information to help resolve this issue.

Possible Causes and Solutions

Based on the information provided, possible causes of the issue could be:

Display bug: A bug in the display code that is causing the erroneous straight lines to appear.
Data mismatch: A mismatch between the data used to display the map and the actual data in the web version of OpenStreetMaps.

To resolve the issue, the following solutions could be considered:

Update Organic Maps: Ensure that the Organic Maps app is up-to-date, as updates may resolve display bugs.
Check data sources: Verify that the data used to display the map is accurate and matches the data in the web version of OpenStreetMaps.
Report the issue: Report the issue to the Organic Maps development team, providing the necessary information to help resolve the problem.

Future Development

To prevent similar issues in the future, the Organic Maps development team could consider:

Implementing more robust display code: Improving the display code to prevent display bugs and ensure accurate map rendering.
Enhancing data synchronization: Ensuring that data used to display the map is accurate and synchronized with the web version of OpenStreetMaps.
Providing better error handling: Implementing better error handling mechanisms to detect and report display issues, making it easier for users to report problems.

Introduction

In our previous article, we discussed a specific map display issue in 'metro' mode for a particular location in Germany. We provided steps to reproduce the issue, expected behavior, and system information. In this article, we will address some frequently asked questions (FAQs) related to this issue.

Q: What is the cause of the map display issue?

A: The cause of the map display issue is not yet clear. However, possible causes include a display bug, data mismatch, or a combination of both.

Q: How can I report the issue to the Organic Maps development team?

A: To report the issue, please visit the Organic Maps website and submit a bug report. Provide as much detail as possible, including the steps to reproduce the issue, system information, and any relevant screenshots.

Q: Will updating Organic Maps resolve the issue?

A: It is possible that updating Organic Maps may resolve the issue. However, it is not guaranteed, and further investigation may be required to determine the root cause of the problem.

Q: Can I use a different display style to avoid the issue?

A: Yes, you can try using a different display style to see if the issue persists. However, this may not resolve the underlying problem, and it is recommended to report the issue to the Organic Maps development team for further investigation.

Q: Is this issue specific to the location in Germany?

A: The issue appears to be specific to the location in Germany. However, it is possible that similar issues may occur in other locations. If you experience similar issues in other locations, please report them to the Organic Maps development team.

Q: Can I use the web version of OpenStreetMaps to verify the issue?

A: Yes, you can use the web version of OpenStreetMaps to verify the issue. The web version of OpenStreetMaps should display the map correctly, without the erroneous straight lines.

Q: What is the expected behavior for the map display in 'metro' mode?

A: The expected behavior for the map display in 'metro' mode is for the map to be displayed without the erroneous straight lines, which are not visible in the web version of OpenStreetMaps.

Q: How can I help resolve the issue?

A: You can help resolve the issue by reporting it to the Organic Maps development team, providing as much detail as possible, and following the steps to reproduce the issue. Additionally, you can try using a different display style or updating Organic Maps to see if the issue persists.

Conclusion

In conclusion, the map display issue in 'metro' mode for a particular location in Germany is a specific problem that requires attention. By following the steps to reproduce the issue, reporting it to the Organic Maps development team, and providing as much detail as possible, we can work together to resolve the issue and improve the overall user experience.

Additional Resources

For more information on Organic Maps and how to report issues, please visit the following resources:

Organic Maps website: https://organicmaps.app/
Organic Maps GitHub repository: https://github.com/organicmaps/organicmaps
Organic Maps bug reporting: https://github.com/organicmaps/organicmaps/issues/new