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Commit c78f7350 authored by Olivier Lantsoght's avatar Olivier Lantsoght
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[MBsysPy][MbsResults] Various modifications in class

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MBsysC/mbs_interface/MBsysPy/mbsyspy/mbs_results.py
View file @ c78f7350
......@@ -16,7 +16,6 @@ is used.
# (c) Universite catholique de Louvain, 2021
import os
import ctypes
import numpy as np
from enum import IntEnum, unique
......@@ -24,7 +23,6 @@ from enum import IntEnum, unique
# importing MbsysPy functions
from ..mbs_utilities import bytes_to_str
from ..mbs_utilities import mbs_warning
from ..mbs_utilities import mbs_error
from ..mbs_utilities import mbs_msg
......@@ -123,7 +121,7 @@ class MbsResult(object):
"""
def __init__(self, mbs):
"""Initialize the fields to empty list or dict."""
"""Initialize the fields to None."""
self.q = None
self.qd = None
self.qdd = None
......@@ -140,6 +138,26 @@ class MbsResult(object):
self.t = None
self.mbs = mbs
def clear(self):
"""Reset all data fields to None.
The mbs is kept.
"""
self.q = None
self.qd = None
self.qdd = None
self.Qq = None
self.ux = None
self.uxd = None
self.Z = None
self.Zd = None
self.Fl = None
self.Qc = None
self.Qa = None
self.Lambda = None
self.outputs = None
self.t = None
def set_buffer(self, buf_id, buf_array, name=None):
"""Set the buffer array in the field corresponding the the buffer id.
......@@ -194,7 +212,7 @@ class MbsResult(object):
elif buf_id in ignored_buffers:
pass
else:
mbs_warning(f"Invalid buffer index value: {buf_id}.")
mbs_warning("Invalid buffer index value: {:d}.".format(buf_id))
return False
return True
......@@ -208,31 +226,32 @@ class MbsResult(object):
The module must contain the fields 'buffers' (MbsBuffer**), 'bufferNb'
(int) and 'user_buffer' (MbsGrowingBuffer*).
t0 : float, optional
Initial time (if relevant) of the analysis. If the initil time in the
buffer does not match the provided values, the buffer are not loaded.
Initial time (if relevant) of the analysis. If the initial time in the
buffer does not match the provided value, the buffer are not loaded.
If the value is None, then the buffers are loaded whatever the available
timestep.
timesteps.
The default is None.
resfilename : str, optionnal
The option of 'resfilename' of the module, this variable is only used
to recreate the user output vectors name from the user filename.
to create the user output vectors name from the user filename.
The default is '' (empty str).
Returns
-------
bool
True if the whole analysis was loaded from the buffers.
False if nothing was loaded from the buffers (incomplete of invalid buffers).
False if nothing was loaded from the buffers in case of incomplete
or invalid buffers.
Notes
-----
Usually the first buffer is dedicated to generalized coordinates. At the
exception of equilibrium analysis, where it is the fourth buffer. Even
if equilibrium analysis is not (yet) handled by this function the loading
iterate the buffers unil finding the one dedicated to generalized
iterates on the buffers unil finding the one dedicated to generalized
coordinates.
The buffer of the generalized coordinates is loaded to check if the full
The buffer of the generalized coordinates is used to check if the full
simulation is available in the buffer.
"""
# get usefull contents
......@@ -275,7 +294,7 @@ class MbsResult(object):
buffer_id = buffer_list[i].contents.id
name = None
#For user-vector-buffer, retrieve the buffer name
# For user-vector-buffer, retrieve the buffer name
if buffer_id == _buffer_ids.BUFFER_OTHER.value:
# get filename
name = bytes_to_str(os.path.basename(buffer_list[i].contents.filename)[:-4])
......@@ -300,42 +319,52 @@ class MbsResult(object):
return True
def load_results_from_file(self, filename, result_path="resultsR", module=0,
user_output=None, user_vector=None):
"""
Load the results from the files into a MbsResult instance.
"""Load the results from the files.
This function is called if the buffers do not contain the full simulation.
Parameters
----------
filename : str
The resfilename containing the results to load. The required suffix
(ie. "_q.res") will be added automatically
The filename of the results to load. It is either the base filename
(without the suffix and extension) or the name of a file containing
basic buffers (ie: q, qd, qdd...) to be loaded.
In the second case the suffix and extension will be stripped to
retrieve the basefilename.
It can contain the full path to files, but it will be ignored.
result_path : str, optional
The relative path of the result folder from the project folder.
default is "resultsR"
module : int
The module in which this function is called. In some modules, some
results files don't exist. Module ids corresponds to the
'MbsData.process' value. If set to 0 we try to load all files
default is 0
The default is "resultsR".
user_output : list
List containing the user output files to be loaded if not None.
default is None.
user_vector : list
List containing the user vector output files to be loaded if not None.
default is None.
Returns
-------
bool
False if the result path was not located.
"""
project_path = self.mbs.project_path
# remove extension and suffix if required
if filename.endswith(".res"):
index_last_char = filename.rfind('_')
filename = filename[:index_last_char]
# remove dirname
baseFileName = os.path.basename(filename)
baseFileName = baseFileName[:-6]
# build result path
project_path = self.mbs.project_path
result_path = os.path.join(project_path, result_path)
# Error handeling
if not os.path.isdir(result_path):
if __DEBUG__:
mbs_msg('DEBUG>> The result directory does not exist: "' + result_path + '"')
raise RuntimeWarning('The result directory does not exist, no results loaded.')
return False
# Generalized coordinates
CurFile = baseFileName + '_q.res'
......@@ -346,99 +375,31 @@ class MbsResult(object):
self.t = self.q[:, 0]
else:
self.t = self.q[0]
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
# Generalized velocities
CurFile = baseFileName + '_qd.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.qd = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
# Generalized accelerations
CurFile = baseFileName + '_qdd.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.qdd = np.loadtxt(path)
else:
if __DEBUG__:
elif __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
if module != 5:
CurFile = baseFileName + '_Qq.res'
# Other base buffers
ext = '.res'
base_buffers = {'_qd': _buffer_ids.BUFFER_QD.value,
'_qdd': _buffer_ids.BUFFER_QDD.value,
'_Qq': _buffer_ids.BUFFER_QQ.value,
'_ux': _buffer_ids.BUFFER_UX.value,
'_uxd': _buffer_ids.BUFFER_UXD.value,
'_linkZ': _buffer_ids.BUFFER_LINK_Z.value,
'_linkZD': _buffer_ids.BUFFER_LINK_ZD.value,
'_linkF': _buffer_ids.BUFFER_LINK_F.value,
'_Qc': _buffer_ids.BUFFER_QC.value,
'_Qa': _buffer_ids.BUFFER_QA.value,
'_Lambda': _buffer_ids.BUFFER_LAMBDA.value,
}
for suffix, buffer_id in base_buffers.items():
CurFile = baseFileName + suffix + ext
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.Qq = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
# Generalized user state
if self.mbs.Nux and (module != 5 and module != 6):
CurFile = baseFileName + '_ux.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.ux = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
CurFile = baseFileName + '_uxd.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.uxd = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
# Link
if self.mbs.Nlink and module != 5:
CurFile = baseFileName + '_linkF.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.Fl = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
CurFile = baseFileName + '_linkZ.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.Z = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
CurFile = baseFileName + '_linkZd.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.Zd = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
# Qc
if self.mbs.nqc and module != 5:
CurFile = baseFileName + '_Qc.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.Qc = np.loadtxt(path)
else:
if __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
# Qa
if self.mbs.nqa and (module != 5 and module != 3):
CurFile = baseFileName + '_Qa.res'
path = os.path.abspath(os.path.join(result_path, CurFile))
if(os.path.isfile(path)):
self.Qa = np.loadtxt(path)
else:
if __DEBUG__:
file_array = np.loadtxt(path)
self.set_buffer(buffer_id, file_array, None)
elif __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
if user_output:
......@@ -452,11 +413,24 @@ class MbsResult(object):
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
if user_vector:
buffer_id = _buffer_ids.BUFFER_OTHER.value
for CurFile in user_vector:
# Remove the eventual path from filename
CurFile = os.path.basename(CurFile)
path = os.path.abspath(os.path.join(result_path, CurFile))
name = CurFile[len(baseFileName) + 1:-4]
# Remove the basefilename
buffer_name = CurFile
if buffer_name.startswith(baseFileName):
buffer_name = buffer_name[len(baseFileName) + 1:]
# Remove extension
if buffer_name.endswith(ext):
buffer_name = buffer_name[:-len(ext)]
if(os.path.isfile(path)):
self.outputs[name] = np.loadtxt(path)
else:
if __DEBUG__:
file_array = np.loadtxt(path)
self.set_buffer(buffer_id, file_array, buffer_name)
elif __DEBUG__:
mbs_msg("DEBUG>> file '" + CurFile + "' not found in folder '" + os.path.dirname(path))
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