magpack.io.save_image#
- save_image(img, filename, cmap='viridis', vmin=None, vmax=None, alpha=False, alpha_thresh=750, indexing='ij')#
Saves a numpy array as a full resolution png file.
- Parameters:
- imgnp.ndarray
Image to save.
- filenamestr
Name of output file.
- cmapstr (optional)
Matplotlib colormap name.
- vminfloat (optional)
Lower bound for colorbar axis (defaults to minimum value in the img array).
- vmaxfloat (optional)
Upper bound for colorbar axis (defaults to maximum value in the img array).
- alphabool (optional)
Option to make bright pixels (white) transparent.
- alpha_threshint (optional)
Threshold value for transparency, maximum value is \(765 (=255\times3)\).
- indexing{‘ij’, ‘xy’} (optional)
Indexing scheme (xy for matplotlib convention, default is ij).