grid_spacing¶
- mmtwfs.wfs.grid_spacing(data, apertures)[source] [edit on github]¶
Measure the WFS grid spacing which changes with telescope focus.
- Parameters
- dataWFS image (FITS or np.ndarray)
- apertures
Table WFS aperture data to analyze
- Returns
- xspacing, yspacingfloat, float
Average grid spacing in X and Y axes