Tike is a toolbox for tomographic reconstruction of 3D objects from ptychography data.

The aim of Tike is to provide fast and accurate implementations of a wide variety of reconstruction algorithms, and to provide a common platform for the synchrotron research community.

• Lissajous and 2D spiral trajectories
• hexagonal and rectangular grids

• FFT-based operator with linear position interpolation
• single-energy
• multiple probes per diffraction pattern (multi-mode probes)
• probe variation correction (eigen probes)
• one shared (multi-modal) probe per angular view
• multi-GPU conjugate-gradient descent solver
• multi-GPU least-squares + gradient descent solver

• USFFT-based operator for cubic field-of-view
• single tilt angle
• multi-GPU conjugate-gradient descent solver

• Lanczos-based rotation and flow operators
• Cross-correlation rigid alignment solver