Functions | |
| double | sinfo_new_gaussian_ellipse (double *xdat, double *parlist) |
| Compute the value of a 2d Gaussian function at a given point. | |
| void | sinfo_new_gaussian_ellipse_deriv (double *xdat, double *parlist, double *dervs) |
| calculates the partial derivatives for a 2d Gaussian i function with parameters parlist at position xdat | |
| int | sinfo_new_lsqfitd (double *xdat, int *xdim, double *ydat, double *wdat, int *ndat, double *fpar, double *epar, int *mpar, int *npar, double *tol, int *its, double *lab) |
| Least-squares fit of a function to a set of data points. | |
| int | sinfo_new_fit_2d_gaussian (cpl_image *image, double *fit_par, double *derv_par, int *mpar, int lleftx, int llefty, int halfbox_x, int halfbox_y, int *check) |
| fits the image of a point source by using a 2-D Gaussian fit. | |
| cpl_image * | sinfo_new_plot_gaussian (cpl_image *image, double *parlist) |
| image of the 2D-Gaussian | |
| float | sinfo_new_determine_conversion_factor (cpl_imagelist *cube, float mag, float exptime, int llx, int lly, int halfbox_x, int halfbox_y, int *check) |
| Determines the convertion factor for an instrument. | |
| void | sinfo_focus_determination_config_add (cpl_parameterlist *list) |
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Determines the convertion factor for an instrument.
Definition at line 1452 of file sinfo_focus.c. References sinfo_msg_error, sinfo_msg_warning, sinfo_new_fit_2d_gaussian(), and sinfo_new_gaussian_ellipse(). Referenced by sinfo_new_stdstar(). |
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fits the image of a point source by using a 2-D Gaussian fit.
Definition at line 923 of file sinfo_focus.c. References NPAR, sinfo_msg_error, sinfo_msg_warning, and sinfo_new_lsqfitd(). Referenced by sinfo_new_determine_conversion_factor(), and sinfo_new_stdstar(). |
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Compute the value of a 2d Gaussian function at a given point.
Definition at line 251 of file sinfo_focus.c. Referenced by sinfo_new_determine_conversion_factor(), and sinfo_new_plot_gaussian(). |
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calculates the partial derivatives for a 2d Gaussian i function with parameters parlist at position xdat
Definition at line 309 of file sinfo_focus.c. |
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Least-squares fit of a function to a set of data points.
Definition at line 698 of file sinfo_focus.c. References NPAR. Referenced by sinfo_new_fit_2d_gaussian(). |
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image of the 2D-Gaussian
Definition at line 1328 of file sinfo_focus.c. References sinfo_msg_error, and sinfo_new_gaussian_ellipse(). |
1.4.4