Release Notes

Circuit Tools (Windows)

Compatible File Formats:
.vbo /.dbn /.vbo and associated .avi files/.vbo and associated .mp4 files

Compatible Operating Systems:
Windows Vista SP2
Windows 7 SP1
Windows 8 | Windows 8.1
Windows 10
Windows 11

How to upgrade

2.10.10 - April 2023

Features

Added feature that makes Circuit Tools discard an ideal lap if the S/F is changed.

Bug fixes

Fixed issue with files that were being exported from the non-English version of Circuit Tools, where they were including comma value separator rather than decimal point.
Fixed issue where acceleration smoothing in the German version of Circuit Tools was not working.
Fixed issues with not being able to generate ideal laps.
Fixed issue with playback speed options causing video playback problems.
Stability improvements.

2.9.74 - May 2022

Bug Fixes

Fixed error in File Transfer Wizard when the .vbo had no associated video file.
Fixed bug when loading two sessions with the same filename and only displaying one video.
Fixed errors when loading sessions from different circuits - Circuit Tools will now prevent files from different circuits from being loaded.
.DBN files (PerformanceBox / DriftBox) can now be loaded successfully.
Error when extending Window beyond the bounds of one screen has been fixed.
Fixed various issues preventing keyboard shortcuts from working in some situations.
Lateral acceleration calculation was incorrect when the file log rate is not consistent.

New Features

Added support for VBOX HD Lite.
Added the ability to export the currently selected datum as a reference lap for VBOX LapTimer. This feature is available via the Session ribbon tab.

Added the ability to mark Pit Lane Entry and Exit points on the track via the Track ribbon tab, and export them for use with VBOX Pit Lane Timer.

Added the ability to tick the Ideal Lap for analysis. When ticked, the Ideal Lap will be shown on the Graph. To view the video for the Ideal Lap, click the 'Ideal Lap' button on the Video toolbar.

The Ideal Lap video will be generated from the fastest sectors in the session and will be displayed when ready. If the Ideal Lap video has been previously generated for this session, it will be displayed straight away.

There is an 'Auto-generate' option in the Session ribbon tab that allows the Ideal Lap video to be generated automatically upon loading a session.

Hardware Acceleration is now available and can be enabled in the Video ribbon tab.

If you notice that the playback is not running smoothly, try cycling through the hardware acceleration modes to see which option works best on your computer.

WARNING: Some hardware acceleration modes can cause Circuit Tools to crash/close with certain graphics cards during playback.

Other Improvements

60 FPS video playback performance has been improved.
Track detection has been improved.

2.9.74 - May 2022

Features

Added the ability to export the current selected datum as a reference lap for VBOX LapTimer
Added the ability to mark Pit Lane Entry and Exit points on the track via the Track ribbon tab, and export them for use with VBOX Pit Lane Timer.
Added the ability to tick the Ideal Lap for analysis. When ticked, the Ideal Lap will be shown on the Graph. To view the video for the Ideal Lap, click the 'Ideal Lap' button on the Video toolbar.
Hardware Acceleration is now available and can be enabled within the Video ribbon tab.
Added support for VBOX HD Lite.

Bug fixes

Fixed error in File Transfer Wizard when the .vbo had no associated video file.
Fixed bug when loading two sessions with the same filename only displayed one video.
Fixed errors when loading sessions from different circuits - Circuit Tools will now prevent files from different circuits being loaded.
.DBN files (PerformanceBox / DriftBox) can now be loaded successfully.
Error when extending Window beyond the bounds of one screen fixed.
Fixed various issues preventing keyboard shortcuts working in some situations.
Lateral acceleration calculation was incorrect when the file log rate is not consistent.
60 FPS video playback performance has been improved.
Track detection has been improved.

2.8.20.2018 - March 2019
------------------------

Features

- Centre on vehicle option added to the track tab
- Default screen layouts refined
- Circuit layouts now selectable
- Warning when comparing different circuits
- End-User License agreement added
- Minimum & Maximum gate width 

Fixes

- Circuit detection improved
- Large files handled better
- Issues caused by changing languages resolved
- Problems regarding Isle of Man TT fixed
- G-Plot feature removed
- Gates/Splits issues fixed
- Video/data sync problems solved 
- Gate width issue resolved (no software crashes) 



2.7.23.1567 - April 2018
------------------------

- Multiple DBN file load of the same file can't be attempted through CT
- Track map and video/graph out of sync has improvements in its synchronization
- Improved handling when loading two files and one is already loaded  
- Incorrect tooltip now updated for 'selected channels only' under the data tab.

Highlight fix for release candidate 2.7.23.1567
- Improved data synchronisation for VBO files that span across multiple videos. 

Highlighted New Feature 
- Single lap export to CSV available under the session tab
- Added auto-update functionality 


2.6.3.821 - October 2016
------------------------

Adds ability to export laps from HD2 video
German translations updated
Window borders now blue to match new ribbon colour scheme


2.5.7.743 June 2016
------------------------

Video handling performance improvements.
Fixes to automated split point generation.
Fixes to split usage for lap timing.
Fix to'Fastest lap' reference. Fastest lap on an existing session tab was not updated after loading another file with a faster lap.
Video playback fix for video files greater than 2GB (Approximately 1 hour recording for Video VBOX, 20 minutes recording for VBOX Video) 
UI update
Minor bug fixes


2.4.4.0 - April 2015
------------------------

Addresses an issue with Intel Graphics Chipsets on Windows 7 PCs where video would not be displayed using certain variations of graphics drivers.
Start/Finish Wizard adds a default splits menu item
Circuit Database Updated
Additional Lap Options added to the Session tab of the menu
- Ignore short laps (hides laps shorter or longer than 15% of valid fastest lap; enabled by default.
- Show unfinished laps
German translation updated
Improved file loading code. 

2.2.3.127 - September 2014
------------------------

Installer change only.
Circuit Database is now an optional part of the install process. If a newer version or current version is present, the installer will continue rather than fail.

2.2.3.126 - June 2014
------------------------

Resolved Split Time issues.
Removed file name validation
Updated Copyright Information
Performance Improvements
Stability Improvements
Minor bug fixes

2.2.0.40 - November 2013
------------------------

Added Support for VBOX HD - including HD Speed Overlay
Performance Improvements
Reduced memory consumption
Removed audio glitch when playing video
Various Bug Fixes
Latest Circuit Database

2.1.1.1318 - August 2013
------------------------

Added support for very large .VBO files
Bug Fixes

2.0.1.1290 - July 2013

Fixed DBN File Issue
Bug Fixes
Support for HD
Performance Improvements

2.0.0.947 - March 2013
------------------------

Circuit Tools 2 Released
New Video engine
Performance enhancements
Bug fixes

1.2.0 b9 - February 2010
------------------------

AVI crop tool feature added
Set X axis to position added
set smooth value for accel channels (LatAcc, LongAcc, Combined G)
Bug fixes

1.1.0 b7 - May 2010
------------------------

Start/Finish wizard now fully supports separate finish lines

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