Tracker is an open-source particle tracking application and is free to download and use. A one-time no-cost registration is required prior to downloading the software.
Your application will be manually reviewed and accepted, so please allow for business days for your registration to be processed. You will receive a confirmation email when you can login. Tracker is a pure python library. As a result, all operating systems that python and the dependencies can be installed on will run Tracker. Development and testing is performed on the following operating systems:. The easiest and recommended way to install Tracker and the dependencies is through the Anaconda Distribution.
Download and install Miniconda or Anaconda. Share with Friends. It is designed to be used in physics education.
Tracker video modeling is a powerful way to combine videos with computer modeling. Features and Highlights Manual and automated object tracking with position, velocity and acceleration overlays and data.
Center of mass tracks. Interactive graphical vectors and vector sums. 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. 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. Fixed or time-varying coordinate system scale, origin and tilt. Switch easily to the 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. The 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. The browser shows recently opened Tracker projects in a "recent local file" collection. The browser opens local collections of videos and Tracker projects. Interactive graphical vectors and vector sums.
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.
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. 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. Browser shows recently opened Tracker projects in a "recent local file" collection.
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