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popfss_compare_solar_storms_workflow.py
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popfss_compare_solar_storms_workflow.py
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import os
import sys
import glob
import pandas as pd
import numpy as np
import simplejson as json
import hi_processing.images as hip
import matplotlib as mpl
import matplotlib.pyplot as plt
import PIL.Image as Image
import scipy.stats as sps
from datetime import datetime, timedelta
import misc
from data_helcats import HELCATS
from data_stereo_hi import STEREOHI
class CompareSolarStormsWorkflow:
def __init__(self, data_loc, fig_loc):
# set dirs
for loc in [data_loc, fig_loc]:
if not os.path.exists(loc):
raise ValueError("path " + loc + " doesn't exist")
self.data_loc = data_loc
self.fig_loc = os.path.join(fig_loc, 'POPFSS')
self.root = os.path.join(data_loc, 'POPFSS')
for loc in [self.root, self.fig_loc]:
if not os.path.exists(loc):
os.mkdir(loc)
# Zooniverse details
self.workflow_name = 'Compare Solar Storms'
self.workflow_id = 6496
# project data comes saved with '-' instead of ' ' in the name
self.project_name = 'Protect our Planet from Solar Storms'
self.project_save_name = 'protect-our-planet-from-solar-storms'
self.project_id = 6480
# details of the different project phases, to split classifications
self.diff = dict({'phase' : 1,
'workflow_version' : 19.32,
'subject_id_min' : 21571858,
'subject_id_max' : 27198377,
'classification_id_min' : 107482001,
'classification_id_max' : 134398497})
self.diff_be = dict({'phase' : 2,
'workflow_version' : 19.32,
'subject_id_min' : 34364886,
'subject_id_max' : 34387958,
'classification_id_min' : 172529512,
'classification_id_max' : 240608296})
self.norm = dict({'phase' : 3,
'workflow_version' : 19.32,
'subject_id_min' : 44304478,
'subject_id_max' : 46571066,
'classification_id_min' : 251146634})
############### setting up the project
def make_assets(self, img_type, camera='hi1', background_type=1):
"""
Function to loop over the HELCATS CMEs, find all relevant HI1A and HI1B 1-day background images, and produce
plain, differenced and relative difference images.
"""
helcats = HELCATS(self.data_loc)
hi_data = STEREOHI(self.data_loc)
cme_list = helcats.find_cmes(te_track=True)
for n, cme in enumerate(cme_list):
print(cme)
craft, time = helcats.get_cme_details(cme)
start, mid, end, mid_el = helcats.get_te_track_times(cme,
camera=camera)
hi_data.make_img(cme, mid, craft, 'POPFSS', img_type,
camera=camera, background_type=background_type)
def find_comps(self, n, cycles='all', rounds=1, rn=0):
"""Finds pairwise comparisons to use in the manifest file.
:param: n: number of objects to compare
:param: cycles: number of cycles with n comparisons, must be between 1 and
ceil(n/2)
:param: rounds: number of files to split total comparisons over
:param: rn: current round number, adds an offset to the cycle numbers run
:returns: lists containing indexes of each asset to compare
"""
# calculate maximum values
max_cycles = np.int(np.ceil(n/2))-1
max_ccs = n*max_cycles
max_comps = np.int((n/2)*(n-1))
# if no number of cycles chosen, set at maximum
if cycles == 'all':
cycles = max_cycles
if cycles != np.int(cycles):
raise ValueError("number of cycles must be an integer")
if cycles < 1:
raise ValueError("must be at least one cycle")
if cycles > max_cycles:
raise ValueError("number of cycles cannot be greater than ceil(n/2)-1")
if (cycles * rounds) > max_cycles:
raise ValueError("cycles*rounds must be less than %s" %(max_cycles))
if rn > rounds:
raise ValueError("round number cannot exceed number of rounds")
# build nxn matrix
matrix = np.zeros((n,n), dtype=int)
spacing = np.int(np.floor(max_cycles/cycles))
cycle_nos = np.arange(1, np.int(np.ceil(n/2)), spacing)[0:cycles]
# change dependant on round number
for c in range(len(cycle_nos)):
cycle_nos[c] = cycle_nos[c] + rn - 1
# each s is a loop with n comparisons
# starts at diagonal under 1, as the 0 diagonal is the origin
for s in cycle_nos:
print(s)
# change 0s to 1s for comparisons in this loop
for i in range(0, n):
j = np.mod(s+i, n)
# Check this hasn't been compared already...
if matrix[j, i] == 0:
# Do this comparison
matrix[i, j] = 1
print('cycles run: %s out of %s' %(cycles, max_cycles))
print('comparisons generated: %s out of %s' %(np.sum(matrix), max_ccs))
m = self.matrix_to_list(matrix)
return m
def matrix_to_list(self, matrix):
"""
Takes a matrix and returns a list of the rows/columns of the non-zero
values.
"""
first = []
second = []
n = len(matrix)
# loop over rows
for i in range(0, n):
# loop over values in row
for j in range(0, n):
if matrix[i, j] == 1:
first.append(i)
second.append(j)
return first, second
def make_manifest(self, img_type, cycles=16, m_files=30):
"""
This function produces the manifest to serve the ssw assets. This has the format of a CSV file with:
asset_name,file1,file2,...fileN.
Asset names will be given the form of sswN_helcatsM_craft_type_t1_t3, where t1 and t3 correspond to the times of the
first and third image in sets of three.
This works by searching the 'out_data/comp_assets' folder for assets and
creating a manifest file for these assets.
:param: m_files: number of manifest files to split comparisons into
:return: Outputs a "manifest.csv" file in the event/craft/type directory of these images, or multiple files
"""
# Want list of all images from both craft
sta_data_dir = os.path.join(self.data_loc, 'STEREO_HI', 'Images',
'POPFSS', img_type, 'sta')
stb_data_dir = os.path.join(self.data_loc, 'STEREO_HI', 'Images',
'POPFSS', img_type, 'stb')
sta_files = glob.glob(os.path.join(sta_data_dir, '*'))
stb_files = glob.glob(os.path.join(stb_data_dir, '*'))
# get only filename not full path, exclude extension
sta_files = [os.path.basename(f) for f in sta_files]
stb_files = [os.path.basename(f) for f in stb_files]
images = np.append(sta_files, stb_files)
images.sort()
print("found %s images, generating comparisons..." %(len(images)))
# Create manifest files
for r in range(m_files):
# Make the manifest file
manifest_path = os.path.join(self.root, 'manifest'+str(r+1)+'.csv')
with open(manifest_path, 'w') as manifest:
# Add in manifest headers
manifest.write("subject_id,asset_0,asset_1\n")
# Get comparisons list for this manifest file
comps = self.find_comps(len(images), cycles=cycles, rounds=m_files, rn=r+1)
# returns lists of left and right images to compare
# Write comparisons list into correct columns
# loop over each comparison
i = 0
# give each comparison a subject id
sub_id = 0
while i < len(comps[0]):
manifest_elements = [str(sub_id), images[comps[0][i]], images[comps[1][i]]]
i = i + 1
sub_id += 1
# Write out as comma sep list
manifest.write(",".join(manifest_elements) + "\n")
def get_helcats_names(self, image_list):
"""returns HELCATS name string given image name
e.g.ssw_067_helcats_HCME_B__20131128_02_stb_diff_20131129_005001.jpg
returns HCME_B__20131128_02
"""
helcats_name_list = []
for img in image_list:
parts = img.split('_')
hn = parts[3] + '_' + parts[4] + '__' + parts[6] + '_' + parts[7]
helcats_name_list.append(hn)
return helcats_name_list
def analyse_manifest(self, manifest_name):
df = pd.read_csv(os.path.join(self.root, manifest_name))
hc = HELCATS(self.data_loc)
# add columns for helcats names, dates and craft of each image
for n, side in enumerate(['left', 'right']):
df[side + '_helcats_name'] = self.get_helcats_names(df['asset_' + str(n)])
craft_list, time_list = hc.get_cme_details_list(df[side + '_helcats_name'])
df[side + '_craft'] = pd.Series(craft_list, index=df.index)
df[side + '_time'] = pd.Series(time_list, index=df.index)
# CME occurence as left or right image
l_occurences = []
r_occurences = []
for cme in np.unique(df['left_helcats_name']):
l = df[df['left_helcats_name'] == cme]
r = df[df['right_helcats_name'] == cme]
l_occurences.append(len(l))
r_occurences.append(len(r))
plt.figure(figsize=[9, 9])
plt.scatter(l_occurences, r_occurences)
plt.xlabel("# times CME shown as left image", fontsize=16)
plt.ylabel("# times CME shown as right image", fontsize=16)
totals = [sum(x) for x in zip(l_occurences, r_occurences)]
print("Each CME is compared to between %s and %s different CMEs." %(np.min(totals), np.max(totals)))
# times of left and right images compared
plt.figure(figsize=[9, 9])
plt.scatter(df.left_time, df.right_time)
plt.xlabel("Time of left image", fontsize=16)
plt.ylabel("Time of right image", fontsize=16)
############### process project data
def load_classifications(self, img_type):
"""Loads in the project-name-classifications.csv file from the
Zooniverse project.
"""
converters = dict(classification_id=int,
user_name=str,
user_id=str,
user_ip=str,
workflow_id=int,
workflow_name=str,
workflow_version=float,
metadata=json.loads,
annotations=json.loads,
subject_data=json.loads,
subject_ids=int)
clas_path = os.path.join(self.root,
self.project_save_name + '-classifications.csv')
cdf = pd.read_csv(clas_path, converters=converters)
# get classifications for this workflow only
cdf = cdf[cdf['workflow_name'] == self.workflow_name]
cdf = cdf[cdf['workflow_id'] == self.workflow_id]
# get classifications for this img_type only
cdf = cdf[cdf['workflow_version'] == getattr(self, img_type)['workflow_version']]
cdf = cdf[cdf['subject_ids'] >= getattr(self, img_type)['subject_id_min']]
cdf = cdf[cdf['subject_ids'] <= getattr(self, img_type)['subject_id_max']]
return cdf
def process_classifications(self, img_type):
# subjects = self.load_subjects()
classifications = self.load_classifications(img_type)
# Initialise output lists
df = pd.DataFrame(columns={'subject_id', 'left_subject',
'right_subject', 'left_wins', 'right_wins',
'winner'})
for s in classifications['subject_ids'].unique():
left_wins = 0
right_wins = 0
winner = 'draw'
c_subset = classifications[classifications.subject_ids == s]
for n, i in enumerate(c_subset.index):
# get the names of the left and right images
if n == 0:
left_subject = c_subset.subject_data[i][str(s)]['asset_0'].replace(' ', '')
right_subject = c_subset.subject_data[i][str(s)]['asset_1'].replace(' ', '')
# Add result to left or right score
result = c_subset.annotations[i][0]['value']
if result == "Image on the left":
left_wins = left_wins + 1
elif result == "Image on the right":
right_wins = right_wins + 1
if left_wins > right_wins:
winner = 'left'
elif right_wins > left_wins:
winner = 'right'
df = df.append({'subject_id' : s,
'left_subject' : left_subject,
'right_subject' : right_subject,
'left_wins' : left_wins,
'right_wins' : right_wins,
'winner' : winner}, ignore_index=True)
# now add extra useful columns
for side in ['left', 'right']:
helcats_name_list = self.get_helcats_names(df[side + '_subject'])
df[side + '_helcats_name'] = helcats_name_list
hc = HELCATS(self.data_loc)
craft_list, time_list = hc.get_cme_details_list(df[side + '_helcats_name'])
df[side + '_craft'] = craft_list
df[side + '_time'] = time_list
df['total_votes'] = df['left_wins'] + df['right_wins']
# for some reason, some of the comparisons are listed twice
# this is WEIRD and I don't know how it happened
# anyway, this code sorts it out:
df['both_names'] = df['left_subject'].astype(str) + df['right_subject'].astype(str)
for j in np.unique(df['both_names']):
dfj = df[df['both_names'] == j]
if len(dfj) > 1:
df.loc[dfj.index.values[0], ['left_wins']] = sum(dfj.left_wins)
df.loc[dfj.index.values[0], ['right_wins']] = sum(dfj.right_wins)
df.loc[dfj.index.values[0], ['total_votes']] = sum(dfj.total_votes)
for n in range(1, len(dfj)):
df = df.drop(dfj.index.values[n])
df = df.drop(columns={'both_names'})
name = os.path.join(self.root,
'popfss_comparison_results_' + img_type + '.csv')
df.to_csv(name, sep=',')
self.make_sta_stb_only_files(img_type)
def make_sta_stb_only_files(self, img_type):
"""makes separate files with only comparisons between STA and STA CMEs,
and STB and STB CMEs respectively.
"""
name = 'popfss_comparison_results_' + img_type + '.csv'
df = pd.read_csv(os.path.join(self.root, name))
for craft in ['sta', 'stb']:
dfc = df[df.left_craft == craft]
dfc = dfc[dfc.right_craft == craft]
name = 'popfss_comparison_results_'+ img_type + '_' + craft + '.csv'
dfc.to_csv(os.path.join(self.root, name))
def load_data(self, img_type):
name = 'popfss_comparison_results_' + img_type + '.csv'
df = pd.read_csv(os.path.join(self.root, name))
df['left_time'] = pd.to_datetime(df['left_time'], format="%Y-%m-%d")
df['right_time'] = pd.to_datetime(df['right_time'], format="%Y-%m-%d")
return df
############### investigate classification data
def classifications_by_user(self, img_type):
cdf = self.load_classifications(img_type)
user_cs = []
user_cs_anon = []
for user in cdf['user_id'].unique():
if user != "":
user_cs.append(len(cdf[cdf['user_id'] == user]))
# get classifications from users not logged in
cdf_anon = cdf[cdf['user_id'] == ""]
for user_anon in cdf_anon['user_name'].unique():
user_cs_anon.append(len(cdf_anon[cdf_anon['user_name'] == user_anon]))
user_classifications = user_cs + user_cs_anon
plt.figure(figsize=[14, 9])
n, bins, patches = plt.hist(user_classifications, bins=100,
range=(0, 500))
plt.xlabel('Number of classifications', fontsize=16)
plt.ylabel('Frequency', fontsize=16)
plt.savefig(os.path.join(self.fig_loc,
img_type + ' classifications by user'))
n = 0
one = 0
for i in user_classifications:
if i == 1:
one += 1
elif i > 500:
n += 1
user_classifications.sort(reverse=True)
# NB the first user in this list is '' corresponding to the total of all
# the users who were not logged in at the time
print('########## classifications summary ##########')
print('in total', len(cdf), 'classifications were made')
print(len(cdf) - sum(user_cs_anon),
'classifications were made by', len(user_cs),
'users logged into their Zooniverse accounts')
print(sum(user_cs_anon),
'classifications were completed by', len(user_cs_anon),
'users not logged in')
print(n, 'users completed more than 500 classifications')
print(one, 'users completed just one classification')
print('the top 10 users completed', user_classifications[0:10],
'classifications')
def plot_wins_per_year(self, img_type):
df = self.load_data(img_type)
# remove comparisons where both are from the same year
left_years = []
right_years = []
for i in df.index:
left_years.append(df['left_time'][i].year)
right_years.append(df['right_time'][i].year)
df['left_year'] = left_years
df['right_year'] = right_years
df = df[df['left_year'] != df['right_year']]
# find percentage wins per year
years = []
per_a = []
per_b = []
for year in range(np.min(left_years + right_years),
np.max(left_years + right_years) + 1):
wins_a = 0
wins_b = 0
year_total = 0
for side in ['left', 'right']:
dfy = df[df[side + '_year'] == year]
dfys = dfy[dfy.winner == side]
wins_a = wins_a + len(dfys[dfys[side + '_craft'] == 'sta'])
wins_b = wins_b + len(dfys[dfys[side + '_craft'] == 'stb'])
year_total = year_total + len(dfy)
years.append(year)
per_a.append(100 * (wins_a / year_total))
per_b.append(100 * (wins_b / year_total))
# make the plot
plt.figure(figsize=[8, 5])
plt.bar(years, per_a, color='pink', label='STEREO-A')
plt.bar(years, per_b, color='lightskyblue', bottom=per_a,
label='STEREO-B')
plt.xlabel('Year')
plt.ylabel('Percentage')
plt.xticks(range(2008, 2017, 1))
plt.legend(loc=0)
plt.savefig(os.path.join(self.fig_loc, 'wins per year ' + img_type))
def __find_binomial_percentages(self, df):
df['total_votes'] = df['left_wins'] + df['right_wins']
df = df[df.total_votes == 12]
names = []
actual_percentages = []
binomial_percentages = []
for i in range(7):
result = str(i) + ' vs ' + str(12 - i)
names.append(result)
if i != 6:
n = len(df[df.left_wins == i]) + len(df[df.right_wins == i])
bp = sps.binom.pmf(i, 12, 0.5) + sps.binom.pmf(12 - i, 12, 0.5)
else:
n = len(df[df.left_wins == i])
bp = sps.binom.pmf(i, 12, 0.5)
actual = (n / len(df)) * 100
binomial = bp * 100
actual_percentages.append(actual)
binomial_percentages.append(binomial)
print('########## random vs actual percentages ##########')
print((' ').join(['result:', result, 'actual:',
"{:.2f}".format(actual), '%', 'binomial:',
"{:.2f}".format(binomial), '%']))
return names, actual_percentages, binomial_percentages
def plot_paired_comparison_results(self, img_type):
df = self.load_data(img_type)
names, actual_percentages, binomial_percentages = self.__find_binomial_percentages(df)
# make bar plot
plt.figure(figsize=[14, 9])
x = np.arange(len(names))
w = 0.3
plt.bar(x - w/2 - 0.02, actual_percentages, width=w, color='cornflowerblue', align='center',
label='Actual')
plt.bar(x + w/2 + 0.02, binomial_percentages, width=w, color='midnightblue',
align='center', label='If choosing randomly')
plt.xticks(x, names, fontsize=16)
labels = []
yticks = range(0, 41, 5)
for j in yticks:
labels.append(str(j) + '%')
plt.yticks(yticks, labels, fontsize=16)
plt.xlabel("Results (number of people choosing each image)", fontsize=16)
plt.ylabel("Comparisons with this result", fontsize=16)
plt.legend(fontsize=16, frameon=False)
def left_vs_right_bias(self, img_type):
df = self.load_data(img_type)
df = df[df.total_votes == 12]
# total left and right wins
print('########## left vs right image bias? ##########')
print("A 'win' occurs when 7 or more participants out of 12 choose the specified image.")
left = len(df[df.left_wins > 6])
right = len(df[df.left_wins < 6])
draw = len(df[df.left_wins == 6])
leftp = "(" + "{:.2f}".format((left / len(df)) * 100) + "%)"
rightp = "(" + "{:.2f}".format((right / len(df)) * 100) + "%)"
drawp = "(" + "{:.2f}".format((draw / len(df)) * 100) + "%)"
print("The left image won", left, 'times', leftp)
print("The right image won", right, 'times', rightp)
print("Both images drew", draw, 'times', drawp)