main.py

import matplotlib.pyplot as plt
import seaborn as sns
import json
import numpy as np

# xpoints = np.array([0,5])
# ypoints = np.array([0,250])
#
# plt.plot(xpoints, ypoints)
# plt.show()

 # open json file
 # pre: file name (in json)
def loadJson(jsonFile):
    with open(jsonFile, 'r') as fileData:
        data = fileData.read()

    obj = json.loads(data)

# Output a graph based on values
# pre: numpy arrays that represent x and y data points
# post: plots the data

# Allows graphing PV and FV
# PV-plot -> graph(volume, pressure)
# FV-plot -> graph(volume, flow)
def graph(xValues, yValues):
    plt.plot(xValues, yValues)
    plt.show()

# def createDic(volume, time, flow, pressure, volTime):
#     if volume.length == time.length :
#         for x in range(0, volume.length - 1):
#             volTime[time[x]] = volume[x], flow[x], pressure[x]

def compliance(pressure, volume):
    deltaV = volume[len(volume) - 1] - volume[0]
    deltaP = pressure[len(pressure) - 1] - pressure[0]
    compliance = deltaV / deltaP
    return compliance

def peakInspirationPressure(pressure):
    maxValue = 0 
    for x in range(len(pressure)):
        if pressure[x] > maxValue:
            maxValue = pressure[x]
    return maxValue


# Residual volume is for Flow V Volume
# pre: a NumPy array (x axis) of Volume(t)
#      a NumPy array (y-axis) of Flow
# def residualVolume(volume, flow):
#     for (x, y) in zip(volume, flow):
#         if x != 0 and y == 0 :
#             return x
#
#     return "no data found"
# 
# # Total Lung Capacity
# # pre: a numpy array (x-axis) of Time
# #      a numpy array (y-axis) of volume
# def totalLungCapacity(volume):
#     return max(volume)

# pressure volume code

# Testing

volume = np.array([0,1,2,3,4,5])
flow = np.array([0,1,3,5,6,0])
time = np.array([1,2,3,4,5,6])
pressure = np.array([0,1,3,5,6,0])
volTime = {}

# cock = residualVolume(volume, flow)
# print(cock)

#given volume(t), pressure(t), and flow(t)
# need to create flow(volume)

# json data: time increments of 0.1 or
             # volume, flow, or pressure