openpiv_cxx.tools.transform_coordinates

openpiv_cxx.tools.transform_coordinates(x, y, u, v)

Set origin of flow field.

Converts coordinate systems from/to the image based / physical based.

Parameters:
  • x (ndarray) – 2D arrays of x/y coordinates.

  • y (ndarray) – 2D arrays of x/y coordinates.

  • u (ndarray) – 2D arrays of u/v components.

  • v (ndarray) – 2D arrays of u/v components.

Returns:

  • x, y (ndarray) – 2D arrays of x/y coordinates.

  • u, v (ndarray) – 2D arrays of u/v components.