Support

RaceLineCalc Support

RaceLineCalc calculates racing lines from track images, plans, or sketches.

This page explains how to get support for the current Android version of RaceLineCalc and any additional platform version if one is announced.

Support email: support@redratinhat.com Product: RaceLineCalc by Red Rat in Hat Product page: https://redratinhat.com/products/racelinecalc/ Privacy Policy: https://redratinhat.com/privacy/racelinecalc/ Terms of Use: https://redratinhat.com/terms/racelinecalc/

Red Rat in Hat is a brand operated by PE Patsukevich Aleksandr.

Contact support

Email support at:

support@redratinhat.com

When you contact support, please include only the information you are comfortable sharing.

What to include in a support request

To help diagnose the issue, include:

• the app version shown in RaceLineCalc Settings;
• your Android version;
• device model and operating system version, if relevant;
• whether the issue affects a demo project or a user-created project;
• whether the issue concerns import, calibration, geometry editing, solver output, export/share, purchases, or an app crash;
• a short description of what you expected to happen;
• a short description of what actually happened;
• steps to reproduce the issue, if you can repeat it;
• screenshots or screen recordings, if useful;
• a .rlcproject archive only if you are comfortable sharing the project data.

Do not send confidential track materials, copyrighted plans, private venue data, or other files unless you have the right to share them and are comfortable with support reviewing them.

Imported image does not fit or calibrate correctly

If your imported image, plan, or sketch does not align correctly:

1. Check that the image has not been stretched or cropped before import.
2. Use a known distance for calibration where possible.
3. Re-check calibration points and scale settings.
4. Confirm that track boundaries were drawn on the correct visible edges.
5. Try importing a higher-resolution image or a cleaner plan.
6. Include the source image and calibration details in your support request only if you are comfortable sharing them.

Solver result looks wrong

Solver output depends on your input geometry, calibration, model assumptions, solver settings, and track-boundary quality.

If the racing line, lap-time estimate, acceleration overlay, braking markers, or speed markers look wrong:

1. Check the track boundaries and direction of travel.
2. Re-check the start/finish line.
3. Confirm the scale calibration.
4. Try a simpler preset or baseline model.
5. Compare the result against expected geometry rather than treating it as a guaranteed real-world racing line.
6. Send screenshots and solver settings to support if you want help diagnosing the issue.

RaceLineCalc output is a reference estimate. It is not professional racing, driving, safety, coaching, or legal advice.

Exporting or sharing an image

RaceLineCalc may let you export PNG/image overlays with RaceLineCalc or Red Rat in Hat branding or watermarking.

If export or sharing does not work:

1. Check whether the app has permission to save to your photo or media library.
2. Try exporting again after restarting the app.
3. Check available storage on your device.
4. Try sharing to a different destination app.
5. Include the platform, app version, and export settings in your support request.

Project import and export

RaceLineCalc may support .rlcproject archives for project import, export, backup, or sharing.

If a project archive does not import:

1. Confirm that the file extension is .rlcproject.
2. Confirm that the file was created by a compatible RaceLineCalc version.
3. Try exporting the project again from the original device.
4. Avoid renaming, editing, or unpacking the archive manually unless support asks you to.
5. Send the archive to support only if you are comfortable sharing the project and source data.

In-app purchase or Pro unlock

RaceLineCalc may offer Pro features, lifetime unlocks, subscriptions, or other paid features depending on release configuration.

If a Pro feature or purchase is not working:

1. Confirm that you are signed in to the same Apple App Store or Google Play account used for the purchase.
2. Use the app’s restore purchases option, if available.
3. Check whether the purchase was completed, refunded, cancelled, or pending in Apple App Store or Google Play.
4. Include platform, app version, store account region, and purchase type in your support request.
5. Do not send full payment card numbers or sensitive payment credentials.

Payments, refunds, subscriptions, taxes, and purchase management may be handled by Apple App Store or Google Play according to their own policies.

Deleting local data

RaceLineCalc is designed around local projects.

To delete local data, you may be able to:

• delete individual projects inside the app;
• delete exported files using your device file manager;
• delete exported images from your photo library;
• clear app data using your operating system tools;
• uninstall the app.

Deleting the app may delete local app data, depending on platform behavior. Exported files, shared files, email attachments, images saved to your photo library, or files stored in other apps may remain outside RaceLineCalc.

Privacy reminder for support requests

Support emails and attachments may include personal data, project data, track images, screenshots, exported images, purchase details, or other information you choose to send.

By sending a support email, you choose what information to disclose for troubleshooting. Do not send materials you are not allowed to share.

For privacy questions, contact:

contact@redratinhat.com

For product support, contact:

support@redratinhat.com