diff options
Diffstat (limited to 'fg21sim')
| -rw-r--r-- | fg21sim/configs/00-general.conf.spec | 45 | ||||
| -rw-r--r-- | fg21sim/configs/10-galactic.conf.spec | 9 | ||||
| -rw-r--r-- | fg21sim/configs/checkers.py | 50 | ||||
| -rw-r--r-- | fg21sim/galactic/synchrotron.py | 4 |
4 files changed, 69 insertions, 39 deletions
diff --git a/fg21sim/configs/00-general.conf.spec b/fg21sim/configs/00-general.conf.spec index aa2a29a..ba432c5 100644 --- a/fg21sim/configs/00-general.conf.spec +++ b/fg21sim/configs/00-general.conf.spec @@ -7,19 +7,6 @@ # behaviors, or will be used in other configuration sections. -# Common/general configurations for the simulation -[common] -# HEALPix Nside value, i.e., pixel resolution -# NOTE: also update "lmax" below. -nside = integer(min=1, default=1024) - -# Range of multipole monents (l) of the angular power spectrum. -# The power spectrum will be cut off to a constant for multipole l < lmin. -# Generally, lmax = 3 * nside - 1 -lmin = integer(min=0, default=10) -lmax = integer(min=1, default=3071) - - # Foreground components to be simulated [foregrounds] # Diffuse Galactic synchrotron emission (unpolarized) @@ -39,6 +26,38 @@ extragalactic/clusters = boolean(default=True) extragalactic/pointsources = boolean(default=False) +# Simulation sky/region configurations +[sky] +# Type of the input/output simulation sky +# + patch: +# Input sky template is only a (square) patch of the sky. +# The simulated output maps have the same coverage/field as the +# input template, as well as the coordinate projection. +# + healpix: +# Input sky template covers (almost) all sky, and stored in +# HEALPix format. The simulated output maps will also be +# all-sky using the HEALPix projection. +type = option("patch", "healpix", default="patch") + + # Configurations for input sky patch + [[patch]] + # The (R.A., Dec.) coordinate of the input patch center [ deg ] + xcenter = float(default=0.0, min=0.0, max=360.0) + ycenter = float(default=0.0, min=-90.0, max=90.0) + + # The (pixel) dimensions of the input patch + xsize = integer(default=None, min=1) + ysize = integer(default=None, min=1) + + # Pixel size [ arcmin ] + pixelsize = float(default=None, min=0.0) + + # Configurations for input HEALPix sky + [[healpix]] + # HEALPix Nside value, i.e., pixel resolution + nside = integer(min=1, default=1024) + + # Frequencies specification of the simulation products [frequency] # Unit of the frequency value diff --git a/fg21sim/configs/10-galactic.conf.spec b/fg21sim/configs/10-galactic.conf.spec index e565297..c01aed7 100644 --- a/fg21sim/configs/10-galactic.conf.spec +++ b/fg21sim/configs/10-galactic.conf.spec @@ -33,8 +33,15 @@ # Spectral index map indexmap = string(default=None) - # Whether add fluctuations on the small scales + # Whether add fluctuations on the small scales according the angular + # power spectrum prediction? add_smallscales = boolean(default=True) + # Range of multipole moments (l) of the angular power spectrum. + # The power spectrum will be cut off to a constant for multipole l < lmin. + # NOTE: Update the ``lmax`` accordingly w.r.t. ``sky/healpix/nside``. + # Generally, lmax = 3 * nside - 1 + lmin = integer(min=0, default=10) + lmax = integer(min=1, default=3071) # Filename prefix for this component prefix = string(default="gsync") diff --git a/fg21sim/configs/checkers.py b/fg21sim/configs/checkers.py index 74d61e3..ffb1e63 100644 --- a/fg21sim/configs/checkers.py +++ b/fg21sim/configs/checkers.py @@ -50,29 +50,32 @@ def _is_power2(n): return (n and not (n & (n-1))) -def check_common(configs): - """Check the "[common]" section of the configurations.""" +def check_foregrounds(configs): + """Check the "[foregrounds]" section of the configurations.""" results = {} - # "common/nside" must be a power of 2 - key = "common/nside" - res = _check_missing(configs, key) - if res == {}: - if not _is_power2(configs.getn(key)): - results[key] = "not a power of 2" - else: - results.update(res) - # "common/lmax" must be greater than "common/lmin" - key = "common/lmax" - res = _check_missing(configs, [key, "common/lmin"]) - if res == {}: - if configs.getn(key) <= configs.getn("common/lmin"): - results[key] = "not greater than 'common/lmin'" - else: - results.update(res) - # Check enabled components - key = "common/components" - if len(configs.getn(key)) == 0: - results[key] = "no components enabled/selected" + # Check enabled foreground components + fg = configs.foregrounds + if len(fg[0]) == 0: + results["foregrounds"] = "no foreground components enabled" + return results + + +def check_sky(configs): + """Check the "[sky]" section of the configurations.""" + results = {} + skytype = configs.getn("sky/type") + if skytype == "patch": + sec = "sky/patch" + elif skytype == "healpix": + sec = "sky/healpix" + # "nside" must be a power of 2 + key = sec + "/nside" + res = _check_missing(configs, key) + if res == {}: + if not _is_power2(configs.getn(key)): + results[key] = "not a power of 2" + else: + results.update(res) return results @@ -181,7 +184,8 @@ def check_extragalactic_clusters(configs): # Available checkers to validate the configurations _CHECKERS = [ - check_common, + check_foregrounds, + check_sky, check_frequency, check_output, check_galactic_synchrotron, diff --git a/fg21sim/galactic/synchrotron.py b/fg21sim/galactic/synchrotron.py index 22949b2..09eefd6 100644 --- a/fg21sim/galactic/synchrotron.py +++ b/fg21sim/galactic/synchrotron.py @@ -55,6 +55,8 @@ class Synchrotron: self.configs.getn(comp+"/template_unit")) self.indexmap_path = self.configs.get_path(comp+"/indexmap") self.smallscales = self.configs.getn(comp+"/add_smallscales") + self.lmin = self.configs.getn(comp+"/lmin") + self.lmax = self.configs.getn(comp+"/lmax") self.prefix = self.configs.getn(comp+"/prefix") self.save = self.configs.getn(comp+"/save") self.output_dir = self.configs.get_path(comp+"/output_dir") @@ -64,8 +66,6 @@ class Synchrotron: self.checksum = self.configs.getn("output/checksum") self.clobber = self.configs.getn("output/clobber") self.nside = self.configs.getn("common/nside") - self.lmin = self.configs.getn("common/lmin") - self.lmax = self.configs.getn("common/lmax") self.freq_unit = au.Unit(self.configs.getn("frequency/unit")) # logger.info("Loaded and setup configurations") |