SYNOPSIS

DESCRIPTION

Necessary input are: Several (usually 75) raw frames classified as FIBRE_NS Standard (an 'ON' and an 'OFF') flat frames having classified as FLAT_NS Standard (an 'ON' and an 'OFF') arc lamp frames having classified as WAVE_NS A corresponding (band) reference arc line list classified as REF_LINE_ARC A reference table with data reduction parameters classified as DRS_SETUP_WAVE.

Default output are (with their PRO.CATG) A master flat: MASTER_FLAT_LAMP A Bad pixel map: BP_MAP_DI A fake-off fibre stacked frame: FIBRE_NS_STACKED_OFF A fake-on fibre stacked frame: FIBRE_NS_STACKED_ON A fake on-off fibre stacked frame: FIBRE_NS_STACKED A table with optical distortion coefficients: DISTORTION A distortion corrected frame: FIBRE_NS_STACKED_DIST A temporary frame: MASTER_SLIT A table with the slitlets distances: SLITLETS_DISTANCE

OPTIONS

--gen-overpar <bool>

Overwrite DRS ini parameters: (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.general.overwrite_parameters [default = True].

--lc_sw <bool>

Correct for bad lines introduced by instrument software: (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.general.lc_sw [default = False].

--lc_kappa <long>

Kappa sigma value (long; default: 18). The full name of this option for the EsoRex configuration file is sinfoni.general.lc_kappa [default = 18].

--lc_filt_rad <long>

Filtering radii applied during median filter. Should be small (long; default: 3). The full name of this option for the EsoRex configuration file is sinfoni.general.lc_filt_rad [default = 3].

--product-density <long>

Density of pipeline products: 0 (low), 1 (low+skycor), 2 (med-QC), 3 (high-debug+skycor) (long; default: 2). The full name of this option for the EsoRex configuration file is sinfoni.product.density [default = 2].

--lamp_flats-lo_rej <float>

lower rejection: percentage of rejected low intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.low_rejection [default = 0.1].

--lamp_flats-hi_rej <float>

high rejection: percentage of rejected high intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.high_rejection [default = 0.1].

--lamp_flats-interpol_index <bool>

Interpolation index switch: indicator if the bad pixels of the flatfield should be interpolated (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.interpol_index [default = False].

--lamp_flats-max_rad <long>

Max Rad: maximal pixel distance from bad pixel to take valid pixels (long; default: 4). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.max_rad [default = 4].

--lamp_flats-bad_ind <bool>

indicator if a bad pixel mask should be generated or not (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.bad_ind [default = False].

--lamp_flats-sigma_factor <float>

Sigma Factor: factor of the sigma noise limit; to remove the column intensity tilt only pixels which lie within a defined noise limit are used to fit a straight line (float; default: 5.0). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.sigma_factor [default = 5.0].

--lamp_flats-factor <float>

Factor: if |pixel - median| > factor * standard deviation -> then the pixel value is replaced by the median of the 8 nearest neighbors (float; default: 3.0). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.factor [default = 3.0].

--lamp_flats-iterations <long>

Iterations: number of iterations to of median filtering to find bad pixel clusters (long; default: 8). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.iterations [default = 8].

--lamp_flats-bad_lo_rej <float>

low rejection: Percentage for bad pixel low rejection (float; default: 10.0). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.bad_low_rejection [default = 10.0].

--lamp_flats-bad_hi_rej <float>

high rejection: Percentage for bad pixel high rejection (float; default: 10.0). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.bad_high_rejection [default = 10.0].

--lamp_flats-llx <long>

Lower Lext X corner (long; default: 1350). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.llx [default = 1350].

--lamp_flats-lly <long>

Lower Lext Y corner (long; default: 1000). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.lly [default = 1000].

--lamp_flats-rrx <long>

Upper right X corner (long; default: 1390). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.urx [default = 1390].

--lamp_flats-ury <long>

Upper right Y corner (long; default: 1200). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.ury [default = 1200].

--lamp_flats-tresh_ind <bool>

Treshold index: (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.thresh_ind [default = False].

--lamp_flats-mean_factor <float>

Mean Factor: factor to the clean standard deviation to define the threshold deviation from the clean mean (float; default: 10.0). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.mean_factor [default = 10.0].

--lamp_flats-qc_fpn_xmin1 <long>

qc_fpn_xmin1 (long; default: 512). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_xmin1 [default = 512].

--lamp_flats-qc_fpn_xmax1 <long>

qc_fpn_xmax1 (long; default: 1536). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_xmax1 [default = 1536].

--lamp_flats-qc_fpn_ymin1 <long>

qc_fpn_ymin1 (long; default: 512). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_ymin1 [default = 512].

--lamp_flats-qc_fpn_ymax1 <long>

qc_fpn_ymax1 (long; default: 1536). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_ymax1 [default = 1536].

--lamp_flats-qc_fpn_xmin2 <long>

qc_fpn_xmin2 (long; default: 1350). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_xmin2 [default = 1350].

--lamp_flats-qc_fpn_xmax2 <long>

qc_fpn_xmax2 (long; default: 1390). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_xmax2 [default = 1390].

--lamp_flats-qc_fpn_ymin2 <long>

qc_fpn_ymin2 (long; default: 1000). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_ymin2 [default = 1000].

--lamp_flats-qc_fpn_ymax2 <long>

qc_fpn_ymax2 (long; default: 1200). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_fpn_ymax2 [default = 1200].

--lamp_flats-qc_thresh_min <long>

qc_thresh_min (long; default: 0). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_thresh_min [default = 0].

--lamp_flats-qc_thresh_max <long>

qc_thresh_max (long; default: 49000). The full name of this option for the EsoRex configuration file is sinfoni.lamp_flats.qc_thresh_max [default = 49000].

--bp-method <str>

Data reduction method: (str; default: 'Normal'). The full name of this option for the EsoRex configuration file is sinfoni.bp.method [default = Normal].

--bp_dist-s_factor <float>

Threshold Sigma Factor: to remove the column intensity tilt only pixels which lie within a defined noiselimit are used to fit a straight line (float; default: 2.0). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.sigma_factor [default = 2.0].

--bp_dist-method_ind <long>

Bad pixel Method Index1: median of nearest neighbors,2: absolute distances check, 3: mean of nearest spectral neighbors (long; default: 1). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.method_index [default = 1].

--bp_dist-fct <float>

Factor: if |pixel - sinfo_median| > factor * standard deviation -> then the pixel value is replaced by the median of the 8 nearest neighbors (float; default: 999.0). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.factor [default = 999.0].

--bp_dist-it <long>

Iterations: number of iterations to of median filtering to find bad pixel clusters (long; default: 8). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.iterations [default = 8].

--bp_dist-lo_rej <float>

low_rejection: percentage of rejected low intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.low_rejection [default = 0.1].

--bp_dist-hi_rej <float>

high_rejection: percentage of rejected high intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.high_rejection [default = 0.1].

--bp_dist-llx <long>

llx: to compute image statistics on a rectangularzone of the image the coordinates of the rectangle are needed:lower left x coordinate (long; default: 1350). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.llx [default = 1350].

--bp_dist-lly <long>

lly: to compute image statistics on a rectangularzone of the image the coordinates of the rectangle are needed:lower left y coordinate (long; default: 1000). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.lly [default = 1000].

--bp_dist-urx <long>

urx: to compute image statistics on a rectangularzone of the image the coordinates of the rectangle are needed:upper right x coordinate (long; default: 1390). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.urx [default = 1390].

--bp_dist-ury <long>

ury: to compute image statistics on a rectangularzone of the image the coordinates of the rectangle are needed:upper right y coordinate (long; default: 1200). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.ury [default = 1200].

--bp_dist-thr_ind <bool>

Threshold Index: indicator that indicates if the values beyond a threshold deviation from the mean are flagged as bad pixels (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.threshold_index [default = True].

--bp_dist-mean_fct <float>

Mean Factor: factor to the clean standard deviation to define the threshold deviation from the clean mean (float; default: 999.0). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.mean_factor [default = 999.0].

--bp_dist-min_cut <float>

the minimum value of real data (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.min_cut [default = 0.1].

--bp_dist-max_cut <float>

the minimum value of real data (float; default: 50000.0). The full name of this option for the EsoRex configuration file is sinfoni.bp_dist.max_cut [default = 50000.0].

--stack-lo_rej <float>

lower rejection (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.stacked.low_rejection [default = 0.1].

--stack-hi_rej <float>

higher rejection (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.stacked.high_rejection [default = 0.1].

--stack-flat_ind <bool>

Flat Index: (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.stacked.flat_index [default = True].

--stack-mflat_norm_smooth <long>

Normalize master flat to its smoothed value (to remove lamp response curve). 0 (no smooth). 1 (apply fft filter along y).2 (apply running median filter along y). (long; default: 0). The full name of this option for the EsoRex configuration file is sinfoni.stacked.mflat_norm_smooth [default = 0].

--stack-mflat_smooth_rad <long>

Normalization smoothing radii (long; default: 16). The full name of this option for the EsoRex configuration file is sinfoni.stacked.mflat_smooth_rad [default = 16].

--stack-mask_ind <long>

BP Mask Interpolation Switch: indicates if the bad pixel mask should be applied (1) or not (0) (long; default: 1). The full name of this option for the EsoRex configuration file is sinfoni.stacked.mask_index [default = 1].

--stack-ind_ind <bool>

indicates if the bad pixels should be indicated (yes) or interpolated (no) (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.stacked.ind_index [default = False].

--stack-mask_rad <long>

Max distance bad-good pix: (long; default: 4). The full name of this option for the EsoRex configuration file is sinfoni.stacked.mask_rad [default = 4].

--stack-gauss_ind <bool>

Gaussian Convolution Switch: (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.stacked.gauss_index [default = False].

--stack-khw <long>

Kernel Half Width (long; default: 2). The full name of this option for the EsoRex configuration file is sinfoni.stacked.kernel_half_width [default = 2].

--stack-warpfix_ind <bool>

Warp Fix Index: (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.stacked.warpfix_ind [default = True].

--stack-warpfix_kernel <str>

Warpfix kernel: (str; default: 'tanh'). The full name of this option for the EsoRex configuration file is sinfoni.stacked.warpfix_kernel [default = tanh].

--stack-qc_thresh_min <long>

qc_thresh_min (long; default: 0). The full name of this option for the EsoRex configuration file is sinfoni.stacked.qc_thresh_min [default = 0].

--stack-qc_thresh_max <long>

qc_thresh_max (long; default: 49000). The full name of this option for the EsoRex configuration file is sinfoni.stacked.qc_thresh_max [default = 49000].

--stack-sub_raw_sky <bool>

indicates if the raw sky frame should be subtracted (TRUE) or (FALSE) (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.stacked.sub_raw_sky [default = True].

--dist-calib_indicator <bool>

Calib Indicator: FALSE: if the dispersion relation is already known, the routine can jump to the waveMap section TRUE: if the dispersion relation must first be determined (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.distortion.calib_indicator [default = True].

--dist-min_diff_mean_med_col_int <float>

Minimum Of Difference: minimum difference of mean and median column intensity to carry out the cross correlation (float; default: 10.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.min_diff_mean_med_col_int [default = 10.0].

--dist-hw <long>

Half Width: half width of a box within which the line must be placed (long; default: 7). The full name of this option for the EsoRex configuration file is sinfoni.distortion.half_width [default = 7].

--dist-sigma <float>

Sigma: sigma of Gaussian which is convolved with the artificial spectrum generated using the line list (float; default: 2.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.sigma [default = 2.0].

--dist-fwhm <float>

FWHM: initial guess value for the fwhm of the Gaussian used for the line fit (float; default: 2.83). The full name of this option for the EsoRex configuration file is sinfoni.distortion.fwhm [default = 2.83].

--dist-min_amplitude <float>

Minimum Of Amplitude: of the Gaussian to do the fit (float; default: 5.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.min_amplitude [default = 5.0].

--dist-max_residual <float>

Maximum Residuals value: beyond this value the fit is rejected (float; default: 0.5). The full name of this option for the EsoRex configuration file is sinfoni.distortion.max_residual [default = 0.5].

--dist-n_a_coeffs <long>

Number of A coefficients: number of polynomial coefficients for the dispersion relation (long; default: 4). The full name of this option for the EsoRex configuration file is sinfoni.distortion.n_a_coefficients [default = 4].

--dist-n_b_coeffs <long>

Number of B coefficients: number of polynomial coefficients for the polynomial fit of the dispersion coefficients (long; default: 2). The full name of this option for the EsoRex configuration file is sinfoni.distortion.n_b_coefficients [default = 2].

--dist-sigma_factor <float>

Sigma Factor: Factor of the standard deviation of the polynomial coefficients of the dispersion relation beyond which the coefficients are not used for the fit (float; default: 1.5). The full name of this option for the EsoRex configuration file is sinfoni.distortion.sigma_factor [default = 1.5].

--dist-wcoeff_ind <bool>

Write Coefficients Index: indicates if the coefficients should be written into a file or not (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.distortion.write_coeffs_ind [default = True].

--dist-par_ind <bool>

Write Parameter Index: indicates if the fit parameters should be written into a file or not (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.distortion.write_par_ind [default = True].

--dist-pixel_dist <long>

Minimal Slitlets's Distance in spectral direction (long; default: 15). The full name of this option for the EsoRex configuration file is sinfoni.distortion.pixel_dist [default = 15].

--dist-pixel_tol <float>

Pixel Tolerance: allowed pixel position tolerance between estimated and fitted line position (float; default: 5.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.pixel_tol [default = 5.0].

--dist-wave_map_ind <bool>

Wavelength Map Indicator: indicates if the wavelength calibration map should be generated (TRUE) or not (FALSE) (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.distortion.wave_map_ind [default = False].

--dist-mag_factor <long>

Magnificator Factor: magnifying factor for the number of pixels in the columns needed for FFT (long; default: 8). The full name of this option for the EsoRex configuration file is sinfoni.distortion.mag_factor [default = 8].

--dist-slit_pos_ind <bool>

Slit Position Indicator: indicates if the fits of the slitlet edge positions should be carried through or not (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.distortion.slit_pos_indicator [default = True].

--dist-fit_boltz_ind <bool>

Fit Boltzmann Indicator: indicates if the fits of the slitlet edge positions is carried trough by using a Boltzmann function as model function (bool; default: True). The full name of this option for the EsoRex configuration file is sinfoni.distortion.fit_boltz_indicator [default = True].

--dist-fit_edge_ind <bool>

Fit Edge Indicator: indicates if the fits of the slitlet edge positions is carried through by using a simple edge function as model function (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.distortion.fit_edge_indicator [default = False].

--dist-estimate_ind <bool>

Estimate Indicator: indicates if the fits of the slitlet edge positions is carried through by using a list of estimated guess positions in a file (TRUE)or if the initial positions are calculated automatically (FALSE). The estimation case is more stable (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.distortion.estimate_indicator [default = False].

--dist-box_len <long>

Box Length: pixel length of the row box within which the fit is carried out (long; default: 32). The full name of this option for the EsoRex configuration file is sinfoni.distortion.box_length [default = 32].

--dist-y_box <float>

Y Box: half width of a small box in spectral direction within which the maximal intensity pixel is searched (float; default: 5.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.y_box [default = 5.0].

--dist-diff_toll <float>

Difference Tolearance: maximal tolerable difference of the resulting fit positions of the slitlet edges with respect to the expected positions (float; default: 2.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.diff_tol [default = 2.0].

--dist-qc_thresh_min <long>

qc_thresh_min (long; default: 0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.qc_thresh_min [default = 0].

--dist-qc_thresh_max <long>

qc_thresh_max (long; default: 49000). The full name of this option for the EsoRex configuration file is sinfoni.distortion.qc_thresh_max [default = 49000].

--ns-lo_rejection <float>

lower rejection: percentage of rejected low intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.distortion.lower_rejection [default = 0.1].

--ns-hi_rejection <float>

higher rejection: percentage of rejected high intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.distortion.higher_rejection [default = 0.1].

--ns-mask_ind <bool>

Mask Index: indicator if a bad pixel mask is applied or not (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.distortion.mask_ind [default = False].

--ns-gauss_ind <bool>

Gauss Index: (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.distortion.gauss_ind [default = False].

--ns-khw <long>

Kernel Half Width kernel half width of the Gaussian response function (long; default: 2). The full name of this option for the EsoRex configuration file is sinfoni.distortion.kernel_half_width [default = 2].

--ns-hw <long>

Half Width (long; default: 4). The full name of this option for the EsoRex configuration file is sinfoni.distortion.ns_half_width [default = 4].

--ns-fwhm <float>

FWHM (float; default: 2.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.ns_fwhm [default = 2.0].

--ns-min_diff <float>

Minimum of Difference (float; default: 1.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.min_diff [default = 1.0].

--ns-dev_tol <float>

Dev Tol (float; default: 20.0). The full name of this option for the EsoRex configuration file is sinfoni.distortion.dev_tol [default = 20.0].

--arcs_thresh_factor <float>

arcs threshold factor. median_value(image)+ kappa*sigma is the minimum intensity threshold of accepted imagepixels (float; default: 0.33333). The full name of this option for the EsoRex configuration file is sinfoni.distortion.arcs_thresh_factor [default = 0.33333].

--arcs_min_arclen_factor <float>

factor which sets minimum arc length (1.0-2) (float; default: 1.19). The full name of this option for the EsoRex configuration file is sinfoni.distortion.arcs_min_arclen_factor [default = 1.19].

--arcs_window_size <long>

Size of window for low pass fileter used inan horizzontal low pass filter to remove unwanted arcs (5-64) (long; default: 14). The full name of this option for the EsoRex configuration file is sinfoni.distortion.arcs_window_size [default = 14].

--smooth_rad <long>

Size of smoothing factor (1-11) used to prevent for possible intensity drops from detector electronics on fibre illuminated slitlets (1-11) (long; default: 3). The full name of this option for the EsoRex configuration file is sinfoni.distortion.smooth_rad [default = 3].

--ns-lo_rej <float>

lower rejection: percentage of rejected low intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.low_rejection [default = 0.1].

--ns-hi_rej <float>

higher rejection: percentage of rejected high intensity pixels before averaging (float; default: 0.1). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.high_rejection [default = 0.1].

--ns-mask_ind <bool>

Mask Index: indicator if a bad pixel mask is applied or not (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.mask_ind [default = False].

--ns-gauss_ind <bool>

Gauss Index: (bool; default: False). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.gauss_ind [default = False].

--ns-khw <long>

Kernel Half Width kernel half width of the Gaussian response function (long; default: 2). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.kernel_half_width [default = 2].

--ns-hw <long>

Half Width (long; default: 4). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.half_width [default = 4].

--ns-fwhm <float>

FWHM (float; default: 2.0). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.fwhm [default = 2.0].

--ns-min_diff <float>

Minimum of Difference (float; default: 1.0). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.min_diff [default = 1.0].

--ns-dev_tol <float>

Dev Tol (float; default: 20.0). The full name of this option for the EsoRex configuration file is sinfoni.north_south_test.dev_tol [default = 20.0].

Note that it is possible to create a configuration file containing these options, along with suitable default values. Please refer to the details provided by the 'esorex --help' command.

VERSION

AUTHOR

LICENSE

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA