Tracker for Windows

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Tracker for Windows

Tracker for Windows

Tracker for Windows Features:

Tracker Features

Tracking:

Manual and automated object tracking with position, velocity and acceleration overlays and data.

Center of mass tracks.

Interactive graphical vectors and vector sums.

RGB line profiles at any angle, time-dependent RGB regions.

Modeling:

Model Builder creates kinematic and dynamic models of point mass particles and two-body systems.

External models animate and overlay multi-point data from separate modeling programs such as spreadsheets and Easy Java Simulations.

Model overlays are automatically synchronized and scaled to the video for direct visual comparison with the real world.

Video:

Free Xuggle video engine plays and records most formats (mov/avi/flv/mp4/wmv etc) on Windows/MacOS/Linux.

Video filters, including brightness/contrast, strobe, ghost trails, and deinterlace filters.

Perspective filter corrects distortion when objects are photographed at an angle rather than straight-on.

Radial distortion filter corrects distortion associated with fisheye lenses.

Export Video wizard enables editing and transcoding videos, with or without overlay graphics, using Tracker itself.

Video Properties dialog shows video dimensions, path, frame rate, frame count, more.

Data generation and analysis:

Fixed or time-varying coordinate system scale, origin and tilt.

Multiple calibration options: calibration stick, calibration points and/or offset origin.

Switch easily to center of mass and other reference frames.

Data include units (SI metric units by default, settable length and mass units).

Protractors and tape measures provide easy distance and angle measurements.

Circle fitter tool fits circles to 3 or more points, steps or tracks.

Define custom variables for plotting and analysis.

Add editable text columns for comments or manually entered data.

Data analysis tool includes powerful automatic and manual curve fitting.

Export formatted or raw data to a delimited text file or the clipboard.

Display measured values using custom number formats if desired.

Library Browser:

Tracker saves Tracker projects as TRZ files ideal for the Library Browser.

Browser shows recently opened Tracker projects in a "recent local file" collection.

Browser opens both local and online collections of videos and Tracker projects.

Browser opens any Tracker file path entered directly into the URL field.

Search for projects and other resources by name, author, keywords or other metadata.

Build and share your own collection of Tracker projects and support docs.

Other:

Integrated searchable help and diagnostics.

Full undo/redo with multiple steps.

Page view displays html instructions or student notes.

Annotate videos with colored line drawings and labels.

User preferences: GUI configuration, video engine, default language, font size, more.

Tracker for Windows Info:

What is Tracker Online?

Tracker Online is a free video analysis and modeling tool from Open Source Physics (OSP) designed for use in physics education and hosted by the AAPT-ComPADRE Digital Library. Tracker has traditionally run only on the destop (Windows, Mac, Linux), but is now available here in your web browser. Tracker Online is identical to Tracker on your desktop, it simply runs in JavaScript rather than in Java.

If you're new to Tracker, please see Help Getting Started for a step-by step beginner's guide or Getting Started with Tracker for a video tutorial. Additional information about Tracker is available on the Tracker website.

Note: If you are already familiar with Tracker and do not need the narrative or examples shown below, click here to access a full frame implementation..

Using Tracker Online

To maximize Tracker within your browser window, click the up arrow at the right end of the toolbar. You can also resize Tracker by dragging its lower right hand corner or reposition it by dragging its title bar.

To open a Tracker project or video in Tracker Online do one of the following:

Drag and drop the file from the desktop onto Tracker Online.

Download or copy the file to the desktop, choose File|Open File... and select the file.

Open the Tracker Library Browser, choose a collection from the Collections menu, browse to a resource of interest in the collection and double-click the resource. Note that some video files may be encoded in an unsupported format in which case you may download it, convert it to a supported format (see below) and import it back into the tab using Video|Import... .

Supported Video Formats

Tracker Online can open the following types of videos:

Image stacks consisting of JPEG or PNG images numbered sequentially. For example: car00.jpg, car01.jpg, car02.jpg, ...

Video types supported by the HTML 5 〈video〉 element, such as MP4 with H264 codec.

For unsupported videos we recommend converting them to mp4 using the open source application HandBrake, available for Windows, Linux and MacOS platforms at https://handbrake.fr/. Choose the default "Fast 1080p30" preset, then in the Video tab choose "Constant Framerate".

If you cannot or do not want to install software on your computer, you can use a web-based converter such as Cloud Convert. To create image stacks we recomment the Online Converter. website.

Browser Support

Tracker Online is compatible with Chrome, Safari and Firefox browsers on desktop computers including Chromebooks. Compatibility with browsers on mobile devices is limited at this time.

Tracker Projects

A Tracker Project is a special Tracker zip file with extension TRZ that contains everything needed to share the results of an analysis: Tracker tab files (TRK), video files, and optional support documents in HTML or PDF format. Some Tracker Projects may use videos with older formats, such as MOV or AVI. These can be loaded into Tracker Online but they will not display the video. To fix this, you can convert the videos into a supported video format as described above.

Bug Reporting

Use the Tracker Online Bug Report form to report bugs you discover in Tracker Online. Use the OSP Tracker Discussion forum for all other Tracker related questions or feedback. We welcome questions about how to use Tracker, suggestions for additional Tracker features, and bug reports related to the desktop or online version of Tracker.

Tracker for Windows Information:

What is Tracker?

Tracker is a free video analysis and modeling tool built on the Open Source Physics (OSP) Java framework. It is designed to be used in physics education.

Tracker video modeling is a powerful way to combine videos with computer modeling. For more information see Particle Model Help or AAPT Summer Meeting posters Video Modeling (2008) and Video Modeling with Tracker (2009).

Installing and using Tracker

To install Tracker, download and run the appropriate installer using the links at the top of the page. Tracker comes with its own Java VM and Xuggle video engine. For help see Installer Help.

Supported languages: english, arabic, catalan, czech, danish, german, greek, spanish, finnish, french, hungarian, indonesian, italian, hebrew, korean, latvian, malaysian, dutch, polish, portuguese, russian, slovak, slovenian, swedish, thai, turkish, ukrainian, vietnamese, simplified chinese, traditional chinese. Interested in translating to another language? Please contact Doug Brown.

If you're new to Tracker, see Help Getting Started for a step-by step beginner's guide or Getting Started with Tracker for a video tutorial. For general help, use and search the built-in help files in Tracker, the online help in English or Slovenščina, or the downloadable pdf help files in English, Español, Ελληνικά, Italiano or Portuguese.

You can run Tracker from a USB drive without installing it on the host computer. See Installing Tracker on a USB or other portable drive for more information.

Supported Video Formats

Tracker can open the following types of videos:

Videos with extension mp4, avi, wmv, flv, or mov

Animated gif images

Numbered sequences of jpg, png or gif images (e.g., ball00.jpg, ball01.jpg, ball02.jpg, ...). An image sequence may be packaged in a zip file.

iPhone users should choose "Most Compatible" in Settings -> Camera -> Formats.

Android users should turn off "High efficiency video" in Camera settings -> Advanced recording options.

For unsupported videos we recommend converting them to mp4 using the open source application HandBrake, available for Windows, Linux and MacOS platforms at https://handbrake.fr/. Choose the default "Fast 1080p30" preset, then in the Video tab choose "Constant Framerate". If you cannot or do not want to install software on your computer, you can use a web-based converter such as Cloud Convert. To create image stacks we recommend the Online Converter website.

Get Tracker for Windows