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sphPlot.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created: March 2020
Python without class!
@author: Ryan Clement (RRCC)
"""
import numpy as np
import matplotlib.pyplot as plt
import argparse
def readFile(fName):
"""
Returns
-------
nDumps : TYPE
DESCRIPTION.
nPars : TYPE
DESCRIPTION.
times : TYPE
DESCRIPTION.
x : TYPE
DESCRIPTION.
vx : TYPE
DESCRIPTION.
mass : TYPE
DESCRIPTION.
rho : TYPE
DESCRIPTION.
p : TYPE
DESCRIPTION.
ie : TYPE
DESCRIPTION.
xm : TYPE
DESCRIPTION.
dx : TYPE
DESCRIPTION.
"""
print('Opening File: ',fName)
f = open(fName,'r')
times = []
nDumps = 0
for lin in f:
if lin.find("DONE") != -1: nDumps += 1
if lin.find("NP") != -1: iNP = lin.split()[1]
print(nDumps," SPH1D output records found.")
print(iNP, " particles used in simulation.") # iNP assumed constant!
nPars = int(iNP)
x = np.zeros((nDumps,nPars))
xm = np.zeros((nDumps,nPars-1))
dx = np.zeros((nDumps,nPars-1))
vx = np.zeros((nDumps,nPars))
mass = np.zeros((nDumps,nPars))
rho = np.zeros((nDumps,nPars))
p = np.zeros((nDumps,nPars))
ie = np.zeros((nDumps,nPars))
f.seek(0,0)
for i in np.arange(nDumps):
lin1 = f.readline().split()
t = lin1[1]
times.append(t)
print("Processing record from time = ",t," s")
f.readline()
f.readline()
j = 0
while j < nPars:
lin = f.readline()
nums = lin.split()
x[i][j] = nums[0]
vx[i][j] = nums[1]
mass[i][j] = nums[2]
rho[i][j] = nums[3]
p[i][j] = nums[4]
ie[i][j] = nums[5]
j+=1
f.readline()
dx[i] = x[i][1:] - x[i][0:-1]
xm[i] = (x[i][1:] + x[i][0:-1])/2.0
f.close()
return nDumps,nPars,times,x,vx,mass,rho,p,ie,xm,dx
def plotAll(t,x,vx,mass,rho,p,ie,xm,dx):
"""
Parameters
----------
t : TYPE
DESCRIPTION.
x : TYPE
DESCRIPTION.
vx : TYPE
DESCRIPTION.
mass : TYPE
DESCRIPTION.
rho : TYPE
DESCRIPTION.
p : TYPE
DESCRIPTION.
ie : TYPE
DESCRIPTION.
xm : TYPE
DESCRIPTION.
dx : TYPE
DESCRIPTION.
Returns
-------
None.
"""
plt.plot(xm,dx,label='delta-X')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('delta-X')
plt.xlim(-.4,.4)
plt.ylim(-.1,3)
plt.legend()
plt.show()
plt.plot(x,vx,label='X-Velocity')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Velocity')
plt.xlim(-.4,.4)
plt.ylim(-.5,1)
plt.legend()
plt.show()
plt.plot(x,mass,label='Mass')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Mass')
plt.xlim(-.4,.4)
plt.ylim(-.1,3)
plt.legend()
plt.show()
plt.plot(x,rho,label='Density')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Density')
plt.xlim(-.4,.4)
plt.ylim(-.1,3)
plt.legend()
plt.show()
plt.plot(x,p,label='Pressure')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Pressure')
plt.xlim(-.4,.4)
plt.ylim(-.1,1.2)
plt.legend()
plt.show()
plt.plot(x,ie,label='Internal Energy')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Internal Energy')
plt.xlim(-.4,.4)
plt.ylim(1,3)
plt.legend()
plt.show()
def plotIE(t,x,ie):
"""
Parameters
----------
t : TYPE
DESCRIPTION.
x : TYPE
DESCRIPTION.
ie : TYPE
DESCRIPTION.
Returns
-------
None.
"""
plt.plot(x,ie,label='Internal Energy')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Internal Energy')
plt.xlim(-.4,.4)
plt.ylim(1,3)
plt.legend()
plt.show()
def plotVEL(t,x,vx):
"""
Parameters
----------
t : TYPE
DESCRIPTION.
x : TYPE
DESCRIPTION.
vx : TYPE
DESCRIPTION.
Returns
-------
None.
"""
plt.plot(x,vx,label='X-Velocity')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Velocity')
plt.xlim(-.4,.4)
plt.ylim(-.5,1)
plt.legend()
plt.show()
def plotP(t,x,p):
"""
Parameters
----------
t : TYPE
DESCRIPTION.
x : TYPE
DESCRIPTION.
p : TYPE
DESCRIPTION.
Returns
-------
None.
"""
plt.plot(x,p,label='Pressure')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Pressure')
plt.xlim(-.4,.4)
plt.ylim(-.1,1.2)
plt.legend()
plt.show()
def plotDEN(t,x,rho):
"""
Parameters
----------
t : TYPE
DESCRIPTION.
x : TYPE
DESCRIPTION.
rho : TYPE
DESCRIPTION.
Returns
-------
None.
"""
plt.plot(x,rho,label='Density')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('Density')
plt.xlim(-.4,.4)
plt.ylim(-.1,3)
plt.legend()
plt.show()
def plotDX(t,xm,dx):
"""
Parameters
----------
t : TYPE
DESCRIPTION.
xm : TYPE
DESCRIPTION.
dx : TYPE
DESCRIPTION.
Returns
-------
None.
"""
plt.plot(xm,dx,label='delta-X')
plt.title('Simulation Time = '+t+' s')
plt.xlabel('Position')
plt.ylabel('delta-X')
plt.xlim(-.4,.4)
plt.ylim(-.1,3)
plt.legend()
plt.show()
def getUserOptions():
"""
Returns
-------
TYPE
DESCRIPTION.
"""
parser = argparse.ArgumentParser(
description='Welcome to sphPlot help...',
epilog='Example:\n>python sphPlot.py -i <input_file>')
# Required argument
parser.add_argument(
'-i',
required=True,
help="'file/location/SPH1D_Output.txt' is required")
return parser.parse_args()
def main(args):
"""
Parameters
----------
args : TYPE
DESCRIPTION.
Returns
-------
None.
"""
nDumps,nPars,t,x,vx,mass,rho,p,ie,xm,dx = readFile(args.i)
for i in np.arange(nDumps):
print("Plotting Time: ",t[i]," s")
plotVEL(t[i],x[i],vx[i])
if __name__ == '__main__':
args = getUserOptions()
main(args)