dft_tools/bin/init_dmftpr.in

125 lines
6.2 KiB
Python
Executable File

#!/usr/bin/env python
import glob, sys, os
from numpy import array
def write_indmftpr():
"""
Usage: init_dmftpr
**case.struct file is required for this script.**
An interactive script to generate the input file (case.indmftpr) for
the dmftproj program.
"""
orbitals = {"s" : [1, 0, 0, 0],
"p" : [0, 1, 0, 0],
"d" : [0, 0, 1, 0],
"f" : [0, 0, 0, 1]}
corr_orbitals = {"s" : [2, 0, 0, 0],
"p" : [0, 2, 0, 0],
"d" : [0, 0, 2, 0],
"f" : [0, 0, 0, 2]}
dirname = os.getcwd().rpartition('/')[2]
if os.path.isfile(dirname + ".indmftpr"):
found = input("Previous {}.indmftpr detected! Continue? (y/n)\n".format(dirname))
if found == "n": sys.exit(0)
with open(dirname + ".indmftpr", "w") as out:
print("Preparing dmftproj input file : {}\n".format(dirname + ".indmftpr"))
if not os.path.isfile(dirname + ".struct"): print("Could not identify a case.struct file!"); sys.exit(-1);
struct = open(glob.glob("*.struct")[0], "r").readlines()
species = [line.split()[0] for line in struct if "NPT" in line]
num_atoms = len(species)
print("number of atoms = {} ({})\n".format(str(num_atoms), " ".join(species)))
out.write(str(num_atoms)+"\n")
mult = [line.split("=")[1].split()[0] for line in struct if "MULT" in line ]
out.write(" ".join(mult)+"\n")
out.write("3\n")
for atom in range(num_atoms):
while True: # input choice of spherical harmonics for atom
sph_harm=input("What flavor of spherical harmonics do you want to use for ATOM {} ({})? (cubic/complex/fromfile)\n".format(atom+1, species[atom]))
if sph_harm in ["cubic", "complex", "fromfile"]:
out.write(sph_harm+"\n")
if sph_harm == "fromfile":
filename=input("name of file defining the basis?\n")
if len(filename) < 25: # name of file must be less than 25 characters
out.write(filename)
else:
print("{} is too long!".format(filename))
rename=input("Rename the file to: \n")
if os.path.isfile(filename):
os.rename(filename, rename)
out.write(rename+"\n")
else:
print("{} could not be found in the current directory!".format(filename))
sys.exit(1)
break
else:
print("Did not recognize that input. Try again.")
corr=input("Do you want to treat ATOM {} ({}) as correlated (y/n)?\n".format(atom+1, species[atom]))
if corr == "y":
proj=input("Specify the correlated orbital? (d,f)\n")
while True:
non_corr=input("projectors for non-correlated orbitals? (type h for help)\n")
if non_corr == "h":
print("indicate orbital projectors using (s, p, d, or f). For multiple, combine them (sp, pd, spd, etc.)")
elif len(non_corr) > 0 and proj in non_corr:
print("Error: User can not choose orbital {} as both correlated and uncorrelated!".format(proj))
else:
projectors=array([0, 0, 0, 0])
projectors += array(corr_orbitals[proj])
if len(non_corr) > 0:
for p in non_corr: projectors += array(orbitals[p])
out.write(" ".join(list(map(str, projectors)))+"\n")
break
to_write = "0 0 0 0\n"
if proj == "d":
irrep=input("Split this orbital into it's irreps? (t2g/eg/n)\n")
if irrep == "t2g":
to_write = "0 0 2 0\n01\n"
elif irrep == "eg":
to_write = "0 0 2 0\n10\n"
soc=input("Do you want to include soc? (y/n)\n")
if soc == "y":
if proj=="d" and ( irrep == "t2g" or irrep == "eg" ):
print("Warning: For SOC, dmftproj will use the entire d-shell. Using entire d-shell!")
out.write("0 0 0 0\n")
out.write("1\n")
else:
out.write(to_write)
out.write("1\n")
else:
out.write(to_write)
out.write("0\n")
else: # still identify the projectors
while True:
proj=input("Specify the projectors that you would like to include? (type h for help)\n")
if proj == "h":
print("indicate orbital projectors using (s, p, d, or f). For multiple, combine them (sp, pd, spd, etc.)")
else:
projectors = array([0, 0, 0, 0], dtype=int)
for p in proj: projectors += array(orbitals[p], dtype=int)
out.write(" ".join(list(map(str, projectors)))+"\n")
out.write("0 0 0 0\n")
break
while True:
window=input("Specify the projection window around eF (default unit is Ry, specify eV with -X.XX X.XX eV)\n")
if float(window.split()[0]) < 0 and float(window.split()[1]) > 0:
try:
eV2Ry=1.0/13.60566
if window.split()[2] == "ev" or window.split()[2] == "eV" or window.split()[2] == "Ev":
out.write("{0:0.2f} {1:0.2f}".format(float(window.split()[0])*eV2Ry, float(window.split()[1])*eV2Ry))
except:
out.write(window)
break
else:
print("The energy window ({}) does not contain the Fermi energy!".format(window))
print("initialize {} file ok!".format(dirname + ".indmftpr"))
if __name__ == "__main__":
write_indmftpr()