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mirror of https://github.com/triqs/dft_tools synced 2024-08-29 07:22:01 +02:00

Added untested version of 'ProjectorShell' class

This commit is contained in:
Oleg E. Peil 2015-02-17 19:42:34 +01:00 committed by Michel Ferrero
parent 74ef3ca93e
commit ba015d4b62
2 changed files with 77 additions and 7 deletions

View File

@ -3,7 +3,7 @@
# You can set these variables from the command line.
SPHINXOPTS =
SPHINXBUILD = sphinx-build-2.7
SPHINXBUILD = sphinx-build
PAPER =
BUILDDIR = build

View File

@ -117,10 +117,10 @@ def select_bands(eigvals, emin, emax):
################################################################################
#
# class ProjectorSet
# class ProjectorGroup
#
################################################################################
class ProjectorSet:
class ProjectorGroup:
"""
Container of projectors defined within a certain energy window.
@ -192,6 +192,71 @@ class ProjectorSet:
for ion, ion_sel in enumerate(pars['ion_list']):
self.proj_set[ion, isp, ik, ib1_win:ib2_win, :] = proj_raw[ion_sel, isp, ik, ib1:ib2, self.lm_l]
################################################################################
################################################################################
#
# class ProjectorShell
#
################################################################################
################################################################################
class ProjectorShell:
"""
Container of projectors related to a specific shell.
The constructor pre-selects a subset of projectors according to
the shell parameters passed from the config-file.
Parameters:
- pars (dict) : dictionary of parameters from the config-file for a given PLO group
- proj_raw (numpy.array) : array of raw projectors
- eigvals (numpy.array) : array of KS eigenvalues
"""
def __init__(self, sh_pars, proj_raw):
self.lorb = sh_pars['lshell']
self.ion_list = sh_pars['ion_list']
try:
self.tmatrix = sh_pars['tmatrix']
except KeyError:
self.tmatrix = None
self.lm1 = self.lorb**2
self.lm2 = (self.lorb+1)**2
# Pre-select a subset of projectors
self.proj_arr = proj_raw[self.ion_list, :, :, :, lm1:lm2]
################################################################################
#
# select_projectors
#
################################################################################
def select_projectors(self, ib_win, nb_min, nb_max):
"""
Selects a subset of projectors corresponding to a given energy window.
"""
self.ib_win = ib_win
self.nb_min = nb_min
self.nb_max = nb_max
# Set the dimensions of the array
nb_win = self.nb_max - self.nb_min + 1
nion, ns, nk, nbtot, nlm = self.proj_arr.shape
self.proj_win = np.zeros((nion, ns, nk, nb_win, nlm), dtype=np.complex128)
# Select projectors for a given energy window
ns_band = self.ib_win.shape[1]
for isp in xrange(ns):
for ik in xrange(nk):
# TODO: for non-collinear case something else should be done here
is_b = min(isp, ns_band)
ib1 = self.ib_win[ik, is_b, 0]
ib2 = self.ib_win[ik, is_b, 1] + 1
ib1_win = ib1 - self.nb_min
ib2_win = ib2 - self.nb_min
self.proj_win[:, isp, ik, ib1_win:ib2_win, :] = self.proj_arr[:, isp, ik, ib1:ib2, :]
def generate_ortho_plos(conf_pars, vasp_data):
"""
@ -205,11 +270,16 @@ def generate_ortho_plos(conf_pars, vasp_data):
check_vasp_data_consistency(vasp_data)
proj_raw = vaps_data['plocar'].plo
efermi = vasp_data['doscar'].efermi
try:
efermi = conf_pars.general['efermi']
except KeyError:
efermi = vasp_data['doscar'].efermi
# eigvals(nktot, nband, ispin) are defined with respect to the Fermi level
eigvals = vasp_data['eigenval'].eigs - efermi
proj_set_l = []
for pars in conf_pars:
proj_set = select_projectors(pars, proj_raw, eigvals)
shells = []
for sh_par in conf_pars.shells:
shells.append(ProjectorShell(sh_par, proj_raw))