scopesim.utils

Helper functions for ScopeSim.

Functions

airmass2zendist(airmass)	Convert airmass to zenith distance.
airmass_to_zenith_dist(airmass)	Return zenith distance in degrees.
array_minmax(arr)	Create min and max from array of points, useful for footprint.
bug_report()	Print versions of dependencies for inclusion in bug report.
bug_report_to_file(filename)	Like bug_report, but writes to file instead of printing.
change_table_entry(tbl, col_name, new_val[, ...])
check_keys(input_dict, required_keys[, ...])	Check to see if all/any of the required keys are present in a dict.
close_loop(iterable)	x, y = zip(*close_loop(zip(x, y)))
convert_table_comments_to_dict(tbl)
cube_plotter(cube_hdu)	Plot cube in separate plots for spatial and spectral parts.
deriv_polynomial2d(poly)	Derive (gradient) of a Polynomial2D model.
figure_factory([nrows, ncols])	Default way to init fig and ax, to easily modify later.
figure_grid_factory([nrows, ncols])	Gridspec variant.
find_file(filename[, path, silent])	Find a file in search path.
from_currsys(item[, cmds])	Return the current value of a bang-string from rc.__currsys__.
from_rc_config(item)
get_fits_type(filename)
get_meta_quantity(meta_dict, name[, ...])	Extract a Quantity from a dictionary.
has_needed_keywords(header[, suffix])	Check to see if the WCS keywords are in the header.
image_plotter(image_hdu)	Plot HDU image and add colorbar.
is_fits(filename)
link_irdb([irdb_path])	Set inst_pkgs to local clone of IRDB (convenience shortcut).
log_bug_report([level])	Emit bug report as logging message.
log_to_file([enable])	Enable or disable logging to file (convenience function).
nearest(arr, val)	Return the index of the value from arr which is closest to val.
parallactic_angle(ha, de[, lat])	Compute the parallactic angle.
pixel_area(header)	Calculate area covered by one pixel in arcsec**2 from header.
power_vector(val, degree)	Return the vector of powers of val up to a degree.
pretty_print_dict(dic[, indent])
quantify(item, unit[, cmds])	Ensure an item is a Quantity.
quantity_from_table(colname, table[, ...])
real_colname(name, colnames[, silent])
seq(start, stop[, step])	Replacement for numpy.arange modelled after R's seq function.
set_console_log_level([level])	Set the level for the console handler (convenience function).
set_inst_pkgs_path(pkg_path)	Set the local path for !SIM.file.local_packages_path (shortcut).
stringify_dict(dic[, ignore_types, fits_safe])	Turn a dict entries into strings for addition to FITS headers.
top_level_catch(func)	Catch any unhandled exceptions, log it including bug report.
unit_from_table(colname, table[, default_unit])	Look for the unit for a column based on the meta dict keyword "<col>_unit".
unit_includes_per_physical_type(unit, ...)	Check if one of the unit's bases is of 1/physical_type.
update_logging([capture_warnings])	Reload logging configuration from rc.__logging_config__.
write_report(text[, filename, output])	Write a report string to file in latex or rst format.
zendist2airmass(zendist)	Convert zenith distance to airmass.
zenith_dist_to_airmass(zenith_dist)	zenith_dist is in degrees.
zeros_from_header(header[, dtype, ndims])	Create all-zero array of the shape given by NAXISn keywords in header.

Exceptions

ScopesimPendingDeprecationWarning

A scopesim-specific subclass of PendingDeprecationWarning