This commit is contained in:
Daniel Bauer
2019-08-27 13:50:47 +02:00
3 changed files with 23 additions and 12 deletions

View File

@@ -3,4 +3,4 @@ from .runner import UmbrellaRunner
from .wham2d import WHAM2DRunner
__all__ = ['AdaptiveUmbrella']
__version__ = "0.3.5"
__version__ = "0.3.11"

View File

@@ -111,6 +111,12 @@ class UmbrellaRunner():
return False
return True
def is_valid_frame(self, frame):
""" Allows to filter out frames that should not be sampled depending
on some condition """
# do not allow frames that are not inside pmf boundaries
return self._is_in_pmf(frame)
def _get_new_frames(self, pmf, frames, root_frames):
""" returns a dict of all frames surrounding the root_frames
that have not an assigned energy yet, as well as their corresponding root
@@ -121,8 +127,8 @@ class UmbrellaRunner():
for frame in root_frames:
neighbors = self._generate_neighbor_list(frame)
# remove neighbors that are not inside the pmf
neighbors = [n for n in neighbors if self._is_in_pmf(n)]
# remove neighbors if they are not valid (i.e not part of the pmf)
neighbors = [n for n in neighbors if self.is_valid_frame(n)]
# for each neighbor, check if its already in the list and compare root frame energy
for n in neighbors:

View File

@@ -21,6 +21,7 @@ class WHAM2DRunner(UmbrellaRunner):
def __init__(self):
UmbrellaRunner.__init__(self)
self.verbose = False
self.WHAM_EXEC = 'wham-2d'
self.tmp_folder = "tmp/WHAM"
self.simulation_folder = "tmp/simulations"
@@ -34,7 +35,7 @@ class WHAM2DRunner(UmbrellaRunner):
with open(path, 'w') as out:
for file in os.listdir(self.simulation_folder):
filepath = os.path.join(self.simulation_folder, file, "COLVAR")
if not os.path.exists(filepath):
if not os.path.exists(filepath) and self.verbose:
print("Not found: {}".format(filepath))
continue
prefix, x, y = file.split("_")
@@ -59,9 +60,9 @@ class WHAM2DRunner(UmbrellaRunner):
self._get_lambdas_for_index((nonzero[0].min(), nonzero[1].min())),
self._get_lambdas_for_index((nonzero[0].max(), nonzero[1].max()))
])
borders = borders.flatten()
# increase borders by 1 lambda step from minimal dimensions
# increase borders by 1 lambda step from minimal dimensions
borders[0] -= self.cvs[0][2]
borders[1] -= self.cvs[1][2]
borders[2] += self.cvs[0][2]
@@ -73,7 +74,7 @@ class WHAM2DRunner(UmbrellaRunner):
borders = self.get_wham_borders()
cmd = "{exec} Px={px} {min_x} {max_x} {frames_x} Py={py} {min_y} {max_y} {frames_y} {tol} {temperature} 0 {metafile} {outfile} 0".format(
cmd = "{exec} Px={px} {min_x} {max_x} {frames_x} Py={py} {min_y} {max_y} {frames_y} {tol} {temperature} 0 {metafile} {outfile} {mask}".format(
exec=self.WHAM_EXEC,
px=self.whamconfig['Px'],
min_x=borders[0],
@@ -84,12 +85,17 @@ class WHAM2DRunner(UmbrellaRunner):
max_y=borders[3],
frames_y=self.whamconfig['num_bins_y'],
tol=self.whamconfig['tolerance'],
temperature=self.whamconfig['temperature']
temperature=self.whamconfig['temperature'],
metafile=metafile_path,
outfile=output_path
outfile=output_path,
mask = self.whamconfig['mask']
)
print(cmd)
err_code = subprocess.call(cmd, shell=True)
if self.verbose:
print(cmd)
err_code = subprocess.call(cmd, shell=True)
else:
FNULL = open(os.devnull, 'w')
err_code = subprocess.call(cmd, shell=True, stdout=FNULL)
if err_code != 0:
print("wham exited with error code {}".format(err_code))
exit(1)
@@ -118,7 +124,6 @@ class WHAM2DRunner(UmbrellaRunner):
def calculate_new_pmf(self):
print("Running wham-2d")
metafile_path = self.create_metadata_file()
wham_pmf_file = self.get_wham_output_file()
self.run_wham2d(metafile_path, wham_pmf_file)