Bases: astropy.modeling.Model
Simple Imaging Polynomial (SIP) model.
The SIP convention is used to represent distortions in FITS image headers. See [R9] for a description of the SIP convention.
| Parameters: | crpix : list or ndarray of length(2)
a_order : int
b_order : int
a_coeff : dict
b_coeff : dict
ap_order : int
bp_order : int
ap_coeff : dict
bp_coeff : dict
param_dim : int
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References
| [R9] | (1, 2) David Shupe, et al, ADASS, ASP Conference Series, Vol. 347, 2005 |
Attributes Summary
| inputs | |
| inverse | |
| outputs |
Methods Summary
| __call__(u, v[, model_set_axis]) | Evaluate this model using the given input(s) and the parameter values that were specified when the model was instantiated. |
| eval(*args, **kwargs) | Deprecated since version 1.0. |
| evaluate(x, y) | Evaluate the model on some input variables. |
Attributes Documentation
Methods Documentation
Evaluate this model using the given input(s) and the parameter values that were specified when the model was instantiated.
Deprecated since version 1.0: The eval function is deprecated and may be removed in a future version. Use SIP.evaluate instead.
Evaluate the model on some input variables.