openpiv.tools.save

static tools.save(x, y, u, v, filename, fmt='%8.4f', delimiter='t')

Save flow field to an ascii file.

Parameters :

x : 2d np.ndarray

a two dimensional array containing the x coordinates of the interrogation window centers, in pixels.

y : 2d np.ndarray

a two dimensional array containing the y coordinates of the interrogation window centers, in pixels.

u : 2d np.ndarray

a two dimensional array containing the u velocity components, in pixels/seconds.

v : 2d np.ndarray

a two dimensional array containing the v velocity components, in pixels/seconds.

filename : string

the path of the file where to save the flow field

fmt : string

a format string. See documentation of numpy.savetxt for more details.

delimiter : string

character separating columns

Examples

>>> openpiv.tools.save( x, y, u, v, 'field_001.txt', fmt='%6.3f', delimiter='       ')