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locustvr_converter.py
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locustvr_converter.py
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# this is a file to convert data from matrexVR to locustVR.
# Input: csv file, gz csv file from matrexVR
# output: h5 file that stores single animal's response in multiple conditions
import time
import pandas as pd
import numpy as np
import os, gzip, re, csv, json, sys
from pathlib import Path
from threading import Lock
from matplotlib import cm
import matplotlib.pyplot as plt
import matplotlib as mpl
from scipy.signal import savgol_filter
current_working_directory = Path.cwd()
parent_dir = current_working_directory.resolve().parents[0]
sys.path.insert(0, str(parent_dir) + "\\utilities")
from useful_tools import find_file, find_nearest
from data_cleaning import load_temperature_data
from funcs import *
lock = Lock()
class MplColorHelper:
def __init__(self, cmap_name, start_val, stop_val):
self.cmap_name = cmap_name
self.cmap = plt.get_cmap(cmap_name)
self.norm = mpl.colors.Normalize(vmin=start_val, vmax=stop_val)
self.scalarMap = cm.ScalarMappable(norm=self.norm, cmap=self.cmap)
def get_rgb(self, val):
return self.scalarMap.to_rgba(val)
colormap_name = "coolwarm"
sm = cm.ScalarMappable(cmap=colormap_name)
COL = MplColorHelper(colormap_name, 0, 8)
def ffill(arr):
mask = np.isnan(arr)
if arr.ndim == 1:
print("work in progress")
# idx = np.where(~mask, np.arange(mask.shape[0]), 0)
# np.maximum.accumulate(idx, out=idx)
# out = arr[np.arange(idx.shape[0])[None], idx]
elif arr.ndim == 2:
idx = np.where(~mask, np.arange(mask.shape[1]), 0)
np.maximum.accumulate(idx, axis=1, out=idx)
out = arr[np.arange(idx.shape[0])[:, None], idx]
return out
# Simple solution for bfill provided by financial_physician in comment below
def bfill(arr):
if arr.ndim == 1:
return ffill(arr[::-1])[::-1]
elif arr.ndim == 2:
return ffill(arr[:, ::-1])[:, ::-1]
def read_simulated_data(this_file, analysis_methods):
scene_name = analysis_methods.get("experiment_name")
print("read simulated data")
if type(this_file) == str:
this_file = Path(this_file)
thisDir = this_file.parent
if this_file.suffix == ".gz":
with gzip.open(this_file, "rb") as f:
df = pd.read_csv(f)
elif this_file.suffix == ".csv":
with open(this_file, mode="r") as f:
df = pd.read_csv(f)
print(df.columns)
if scene_name.lower() == "swarm":
n_locusts = df.columns[6]
boundary_size = df.columns[7]
mu = df.columns[8]
kappa = df.columns[9]
simulated_speed = df.columns[10]
density = int(n_locusts.split(":")[1]) / (
int(boundary_size.split(":")[1]) ** 2 / 10000
)
conditions = {
"Density": density,
mu.split(":")[0]: int(mu.split(":")[1]),
kappa.split(":")[0]: float(kappa.split(":")[1]),
simulated_speed.split(":")[0]: float(simulated_speed.split(":")[1]),
}
if len(df) > 0:
ts = pd.to_datetime(df["Timestamp"], format="%Y-%m-%d %H:%M:%S.%f")
x = df["X"]
y = df["Z"]
else:
ts = pd.to_datetime(this_file.stem[0:19], format="%Y-%m-%d_%H-%M-%S")
x = None
y = None
elif scene_name.lower() == "choice":
conditions = []
vr_pattern = "*_Choice_*.json"
found_result = find_file(thisDir, vr_pattern)
if found_result is None:
return print(f"file with {vr_pattern} not found")
else:
condition_dict = {}
if isinstance(found_result, list):
print(
f"Analyze {vr_pattern} data which come with multiple trials of vr models. Use a for-loop to go through them"
)
for this_file in found_result:
with open(this_file, "r") as f:
print(f"load analysis methods from file {this_file}")
condition_id = this_file.stem.split("_")[4]
tmp = json.loads(f.read())
condition = {
"agent": tmp["objects"][0]["type"],
"distance": tmp["objects"][0]["position"]["radius"],
"heading_angle": tmp["objects"][0]["position"]["angle"],
"walking_direction": tmp["objects"][0]["mu"],
"simulated_speed": tmp["objects"][0]["speed"],
}
condition_dict[condition_id] = condition
# conditions.append(condition)
elif len(found_result.stem) > 0:
with open(found_result, "r") as f:
print(f"load analysis methods from file {found_result}")
condition_id = found_result.stem.split("_")[4]
tmp = json.loads(f.read())
condition = {
"agent": tmp["objects"][0]["type"],
"distance": tmp["objects"][0]["position"]["radius"],
"heading_angle": tmp["objects"][0]["position"]["angle"],
"walking_direction": tmp["objects"][0]["mu"],
"simulated_speed": tmp["objects"][0]["speed"],
}
condition_dict[condition_id] = condition
json_pattern = "*sequenceConfig.json"
found_result = find_file(thisDir, json_pattern)
with open(found_result, "r") as f:
print(f"load conditions from file {found_result}")
tmp = json.loads(f.read())
for i in range(len(tmp["sequences"])):
tmp["sequences"][i]["duration"]
this_condition_file = (
tmp["sequences"][i]["parameters"]["configFile"]
.split("_")[1]
.split(".")[0]
)
this_condition = condition_dict[this_condition_file]
if (
i == 0
): ## need to add this condition because I hardcode to make the first empty scene 240 sec
meta_condition = (this_condition, 240)
else:
meta_condition = (this_condition, tmp["sequences"][i]["duration"])
conditions.append(meta_condition)
if len(df) > 0:
ts = []
x = []
y = []
for _, entries in df.groupby(["CurrentTrial", "CurrentStep"]):
ts.append(
pd.to_datetime(
entries["Current Time"], format="%Y-%m-%d %H:%M:%S.%f"
)
)
x.append(entries["GameObjectPosX"])
y.append(entries["GameObjectPosZ"])
else:
ts = None
x = None
y = None
return ts, x, y, conditions
def analyse_focal_animal(
this_file,
analysis_methods,
ts_simulated_animal,
x_simulated_animal,
y_simulated_animal,
conditions,
tem_df=None,
):
# track_ball_radius = analysis_methods.get("trackball_radius_cm")
# monitor_fps = analysis_methods.get("monitor_fps")
camera_fps = analysis_methods.get("camera_fps")
scene_name = analysis_methods.get("experiment_name")
alpha_dictionary = {0.1: 0.2, 1.0: 0.4, 10.0: 0.6, 100000.0: 1}
analyze_one_session_only = True
BODY_LENGTH = analysis_methods.get("body_length")
growth_condition = analysis_methods.get("growth_condition")
overwrite_curated_dataset = analysis_methods.get("overwrite_curated_dataset")
time_series_analysis = analysis_methods.get("time_series_analysis")
heading_direction_across_trials = []
x_across_trials = []
y_across_trials = []
ts_across_trials = []
if type(this_file) == str:
this_file = Path(this_file)
if this_file.suffix == ".gz":
with gzip.open(this_file, "rb") as f:
df = pd.read_csv(f)
elif this_file.suffix == ".csv":
with open(this_file, mode="r") as f:
df = pd.read_csv(f)
# replace 0.0 with np.nan since there are probably generated when switching to the scene
df["GameObjectPosX"].replace(0.0, np.nan, inplace=True)
df["GameObjectPosZ"].replace(0.0, np.nan, inplace=True)
df["GameObjectRotY"].replace(0.0, np.nan, inplace=True)
df["Current Time"] = pd.to_datetime(
df["Current Time"], format="%Y-%m-%d %H:%M:%S.%f"
)
experiment_id = df["VR"][0] + " " + str(df["Current Time"][0]).split(".")[0]
experiment_id = re.sub(r"\s+", "_", experiment_id)
experiment_id = re.sub(r":", "", experiment_id)
if time_series_analysis:
curated_file_path = this_file.parent / f"{experiment_id}_XY_full.h5"
summary_file_path = this_file.parent / f"{experiment_id}_score_full.h5"
agent_file_path = this_file.parent / f"{experiment_id}_agent_full.h5"
else:
curated_file_path = this_file.parent / f"{experiment_id}_XY.h5"
summary_file_path = this_file.parent / f"{experiment_id}_score.h5"
agent_file_path = this_file.parent / f"{experiment_id}_agent.h5"
if tem_df is not None:
frequency_milisecond = int(1000 / camera_fps)
tem_df = tem_df.resample(f"{frequency_milisecond}L").interpolate()
df.set_index("Current Time", drop=False, inplace=True)
aligned_THP = tem_df.reindex(df.index, method="nearest")
df = df.join(aligned_THP)
del tem_df
if overwrite_curated_dataset == True and summary_file_path.is_file():
summary_file_path.unlink()
try:
curated_file_path.unlink()
agent_file_path.unlink()
except OSError as e:
# If it fails, inform the user.
print("Error: %s - %s." % (e.filename, e.strerror))
if analysis_methods.get("plotting_trajectory") == True:
fig, (ax1, ax2) = plt.subplots(
nrows=1, ncols=2, figsize=(18, 7), tight_layout=True
)
ax1.set_title("ISI")
ax2.set_title("Trial")
for id in range(len(conditions)):
this_range = (df["CurrentStep"] == id) & (df["CurrentTrial"] == 0)
this_current_time = df["Current Time"][this_range]
if len(this_current_time) == 0:
break
fchop = str(this_current_time.iloc[0]).split(".")[0]
fchop = re.sub(r"\s+", "_", fchop)
fchop = re.sub(r":", "", fchop)
# heading_direction = df["GameObjectRotY"][this_range]
x = df["GameObjectPosX"][this_range]
y = df["GameObjectPosZ"][this_range]
xy = np.vstack((x.to_numpy(), y.to_numpy()))
# since I introduced nan earlier for the switch scene, I need to fill them with some values otherwise, smoothing methods will fail
xy = bfill(xy)
ts = df["Current Time"][this_range]
trial_no = df["CurrentTrial"][this_range]
if id % 2 > 0:
df_simulated = pd.concat(
[
ts_simulated_animal[id // 2],
x_simulated_animal[id // 2],
y_simulated_animal[id // 2],
],
axis=1,
)
df_simulated.set_index("Current Time", inplace=True)
df_simulated = df_simulated.reindex(ts.index, method="nearest")
if len(trial_no.value_counts()) > 1 & analyze_one_session_only == True:
break
if time_series_analysis:
print("work in progress")
elapsed_time = (ts - ts.min()).dt.total_seconds()
if analysis_methods.get("filtering_method") == "sg_filter":
X = savgol_filter(xy[0], 59, 3, axis=0)
Y = savgol_filter(xy[1], 59, 3, axis=0)
else:
X = xy[0]
Y = xy[1]
travel_distance_fbf = np.sqrt(
np.add(np.square(np.diff(X)), np.square(np.diff(Y)))
) ##need to discuss with Pavan whether it is fair to use Unity clock as elapsed time to calculate speed
loss = np.nan
else:
##need to think about whether applying removeNoiseVR only to spatial discretisation or general
loss, X, Y = removeNoiseVR(xy[0], xy[1])
loss = 1 - loss
if len(X) == 0:
print("all is noise")
continue
rX, rY = rotate_vector(
X, Y, -90 * np.pi / 180
) # includes a minus because #the radian circle is clockwise in Unity, so 45 degree should be used as -45 degree in the regular radian circle
if time_series_analysis:
(dX, dY) = (np.array(rX), np.array(rY))
temperature = df["Temperature ˚C (ºC)"][this_range].values
humidity = df["Relative Humidity (%)"][this_range].values
else:
newindex = diskretize(rX, rY, BODY_LENGTH)
dX = np.array(rX)[newindex]
dY = np.array(rY)[newindex]
# dX = np.array([rX[i] for i in newindex]).T
# dY = np.array([rY[i] for i in newindex]).T
temperature = df.iloc[newindex]["Temperature ˚C (ºC)"]
humidity = df.iloc[newindex]["Relative Humidity (%)"]
angles = np.array(ListAngles(dX, dY))
c = np.cos(angles)
s = np.sin(angles)
if len(angles) == 0:
(xm, ym, meanAngle, meanVector, sin, cos) = (
np.nan,
np.nan,
np.nan,
np.nan,
np.nan,
np.nan,
)
else:
xm = np.sum(c) / len(angles)
ym = np.sum(s) / len(angles)
meanAngle = atan2(ym, xm)
meanVector = np.sqrt(np.square(np.sum(c)) + np.square(np.sum(s))) / len(
angles
)
sin = meanVector * np.sin(meanAngle)
cos = meanVector * np.cos(meanAngle)
std = np.sqrt(2 * (1 - meanVector))
if time_series_analysis:
tdist = np.sum(
travel_distance_fbf
) ##note this distance can be a lot larger than calculating with spatial discretisation
else:
tdist = len(dX) * BODY_LENGTH
f = [fchop] * len(dX)
loss = [loss] * len(dX)
if scene_name.lower() == "swarm":
o = [conditions[id]["Kappa"]] * len(dX)
d = [conditions[id]["Density"]] * len(dX)
mu = [conditions[id]["Mu"]] * len(dX)
spe = [conditions[id]["LocustSpeed"]] * len(dX)
elif scene_name.lower() == "choice":
if conditions[id][0]["agent"] == "LeaderLocust":
o = ["gn_locust"] * len(dX)
elif conditions[id][0]["agent"] == "":
o = ["empty_trial"] * len(dX)
d = [conditions[id][0]["distance"]] * len(dX)
du = [conditions[id][1]] * len(dX)
f_angle = [conditions[id][0]["heading_angle"]] * len(dX)
mu = [conditions[id][0]["walking_direction"]] * len(dX)
spe = [conditions[id][0]["simulated_speed"]] * len(dX)
groups = [growth_condition] * len(dX)
df_curated = pd.DataFrame(
{
"X": dX,
"Y": dY,
"fname": f,
"mu": mu,
"agent_speed": spe,
}
)
if "temperature" in locals():
df_curated["temperature"] = temperature
df_curated["humidity"] = humidity
if scene_name.lower() == "swarm":
df_curated["density"] = d
df_curated["order"] = o
elif scene_name.lower() == "choice":
df_curated["object_type"] = o
df_curated["initial_distance"] = d
df_curated["heading_angle"] = f_angle
f_angle = [f_angle[0]]
df_curated["duration"] = du
##load information about simulated locusts
if scene_name.lower() == "choice":
if (
id % 2 == 0
): # stimulus trial is always the odd trial under choice scene
pass
# print("no information about ISI stored in choice assay")
else:
agent_xy = np.vstack(
(
df_simulated["GameObjectPosX"].values,
df_simulated["GameObjectPosZ"].values,
)
)
# agent_ts = ts_simulated_animal[id // 2].to_numpy() TS information should be sorted out before making curated data
agent_rX, agent_rY = rotate_vector(
agent_xy[0], agent_xy[1], -90 * np.pi / 180
)
if time_series_analysis:
(agent_dX, agent_dY) = (
np.array(agent_rX),
np.array(agent_rY),
)
else:
agent_dX = np.array(agent_rX)[newindex]
agent_dY = np.array(agent_rY)[newindex]
# agent_dX = np.array([agent_rX[i] for i in newindex]).T
# agent_dY = np.array([agent_rY[i] for i in newindex]).T
# agent_TS = np.array([agent_ts[i] for i in newindex]).T TS information should be sorted out before making curated data
elif scene_name.lower() == "swarm":
print("work in progress")
if "agent_dX" in locals():
df_agent = pd.DataFrame(
{
"X": agent_dX,
"Y": agent_dY,
"fname": [fchop] * len(agent_dX),
"mu": mu,
"agent_speed": spe,
# "ts": agent_TS,TS information should be sorted out before making curated data
}
)
if scene_name.lower() == "swarm":
print(
"there is a unsovled bug about how to name the number of agent"
)
df_agent["agent_no"] = d
elif scene_name.lower() == "choice":
df_agent["agent_no"] = [0] * len(
agent_dX
) # need to figure out a way to solve multiple agents situation. The same method should be applied in the Swarm scene
f = [f[0]]
loss = [loss[0]]
o = [o[0]]
d = [d[0]]
mu = [mu[0]]
spe = [spe[0]]
groups = [groups[0]]
V = [meanVector]
MA = [meanAngle]
ST = [std]
lX = [dX[-1]]
tD = [tdist]
sins = [sin]
coss = [cos]
du = [du[0]]
df_summary = pd.DataFrame(
{
"fname": f,
"loss": loss,
"mu": mu,
"agent_speed": spe,
"groups": groups,
"mean_angle": MA,
"vector": V,
"variance": ST,
"distX": lX,
"distTotal": tD,
"sin": sins,
"cos": coss,
}
)
if scene_name.lower() == "swarm":
df_summary["density"] = d
df_summary["order"] = o
elif scene_name.lower() == "choice":
df_summary["object_type"] = o
df_summary["initial_distance"] = d
df_summary["heading_angle"] = f_angle
df_summary["duration"] = du
if analysis_methods.get("plotting_trajectory") == True:
if scene_name.lower() == "swarm":
if df_summary["density"][0] > 0:
# ax2.plot(
# dX, dY, color=np.arange(len(dY)), alpha=df_curated.iloc[id]["alpha"]
# )
##blue is earlier colour and yellow is later colour
ax2.scatter(
dX,
dY,
c=np.arange(len(dY)),
marker=".",
alpha=df_summary["order"].map(alpha_dictionary)[0],
)
else:
# ax1.plot(
# dX, dY, alpha=df_curated.iloc[id]["alpha"]
# )
ax1.scatter(
dX,
dY,
c=np.arange(len(dY)),
marker=".",
alpha=df_summary["order"].map(alpha_dictionary)[0],
)
elif scene_name.lower() == "choice":
if df_summary["object_type"][0] == "empty_trial":
ax1.scatter(
dX,
dY,
c=np.arange(len(dY)),
marker=".",
)
else:
ax2.scatter(
dX,
dY,
c=np.arange(len(dY)),
marker=".",
)
if "agent_dX" in locals():
ax2.plot(
agent_dX,
agent_dY,
c="k",
linewidth=1,
)
#######################Sections to save data
if analysis_methods.get("debug_mode") == False:
with lock:
if "df_agent" in locals():
file_list = [curated_file_path, summary_file_path, agent_file_path]
data_frame_list = [df_curated, df_summary, df_agent]
else:
file_list = [curated_file_path, summary_file_path]
data_frame_list = [df_curated, df_summary]
for this_name, this_pd in zip(file_list, data_frame_list):
store = pd.HDFStore(this_name)
store.append(
"name_of_frame",
this_pd,
format="t",
data_columns=this_pd.columns,
)
store.close()
heading_direction_across_trials.append(angles)
x_across_trials.append(x)
y_across_trials.append(y)
if time_series_analysis:
ts_across_trials.append(elapsed_time)
else:
ts_across_trials.append(ts)
if "agent_dX" in locals():
del agent_dX, agent_dY, df_agent
trajectory_fig_path = this_file.parent / f"{experiment_id}_trajectory.png"
if analysis_methods.get("plotting_trajectory") == True:
fig.savefig(trajectory_fig_path)
return (
heading_direction_across_trials,
x_across_trials,
y_across_trials,
ts_across_trials,
)
def preprocess_matrex_data(thisDir, json_file):
if isinstance(json_file, dict):
analysis_methods = json_file
else:
with open(json_file, "r") as f:
print(f"load analysis methods from file {json_file}")
analysis_methods = json.loads(f.read())
tem_pattern = f"DL220THP*.csv"
found_result = find_file(thisDir, tem_pattern)
## here to load temperature data
if found_result is None:
tmp_df = None
print(f"temperature file not found")
else:
if isinstance(found_result, list):
print(f"Multiple temperature files are detected.")
for this_file in found_result:
tem_df = load_temperature_data(this_file)
else:
tem_df = load_temperature_data(found_result)
num_vr = 4
for i in range(num_vr):
scene_name = analysis_methods.get("experiment_name")
if scene_name.lower() == "swarm":
vr_pattern = f"*SimulatedLocustsVR{i+1}*"
elif scene_name.lower() == "choice":
vr_pattern = f"*Leader*"
found_result = find_file(thisDir, vr_pattern)
if found_result is None:
return print(f"file with {vr_pattern} not found")
# elif scene_name.lower() == "choice" and i > 0:
elif scene_name.lower() == "choice" and "ts_simulated_animal" in locals():
print(
"Information about simulated locusts are shared across rigs in the choice scene, so start analysing focal animals"
)
else:
ts_simulated_animal = []
x_simulated_animal = []
y_simulated_animal = []
conditions = []
if isinstance(found_result, list):
print(
f"Analyze {vr_pattern} data which come with multiple trials of vr models. Use a for-loop to go through them"
)
for this_file in found_result:
ts, x, y, condition = read_simulated_data(
this_file, analysis_methods
)
ts_simulated_animal.append(ts)
x_simulated_animal.append(x)
y_simulated_animal.append(y)
conditions.append(condition)
elif len(found_result.stem) > 0:
ts, x, y, condition = read_simulated_data(
found_result, analysis_methods
)
if scene_name.lower() == "choice":
ts_simulated_animal = ts
x_simulated_animal = x
y_simulated_animal = y
conditions = condition
else:
ts, x, y, condition = read_simulated_data(
found_result, analysis_methods
)
ts_simulated_animal.append(ts)
x_simulated_animal.append(x)
y_simulated_animal.append(y)
conditions.append(condition)
locust_pattern = f"*_VR{i+1}*"
found_result = find_file(thisDir, locust_pattern)
if found_result is None:
return print(f"file with {locust_pattern} not found")
else:
if isinstance(found_result, list):
print(
f"Analyze {locust_pattern} data which come with multiple trials of vr models. Use a for-loop to go through them"
)
for this_file in found_result:
(
heading_direction_focal_animal,
x_focal_animal,
y_focal_animal,
ts_focal_animal,
) = analyse_focal_animal(
this_file,
analysis_methods,
ts_simulated_animal,
x_simulated_animal,
y_simulated_animal,
conditions,
tem_df,
)
elif len(found_result.stem) > 0:
(
heading_direction_focal_animal,
x_focal_animal,
y_focal_animal,
ts_focal_animal,
) = analyse_focal_animal(
found_result,
analysis_methods,
ts_simulated_animal,
x_simulated_animal,
y_simulated_animal,
conditions,
tem_df,
)
if __name__ == "__main__":
# thisDir = r"D:\MatrexVR_Swarm_Data\RunData\20240818_170807"
# thisDir = r"D:\MatrexVR_Swarm_Data\RunData\20240826_150826"
# thisDir = r"D:\MatrexVR_blackbackground_Data\RunData\20240904_151537"
thisDir = r"D:\MatrexVR_blackbackground_Data\RunData\archive\20240905_193855"
# thisDir = r"D:\MatrexVR_grass1_Data\RunData\20240907_142802"
json_file = r"C:\Users\neuroPC\Documents\GitHub\UnityDataAnalysis\analysis_methods_dictionary.json"
tic = time.perf_counter()
preprocess_matrex_data(thisDir, json_file)
toc = time.perf_counter()
print(f"it takes {toc-tic:0.4f} seconds to run the main function")