/
mainwindow.py
268 lines (236 loc) · 10.5 KB
/
mainwindow.py
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#!/usr/bin/env python
import sys
import os
from cmainwindow import Ui_MainWindow
from plotdialog import plotDialog
from configdialog import configDialog
from modifydialog import modifyDialog
from datahandler import dataHandler
from str2eq import evalEq, getVars
from util import HumidityConverter
from netCDF4 import Dataset
import numpy as np
from PyQt4 import QtCore, QtGui
progname = os.path.basename(sys.argv[0])
progversion = "0.1"
hyam31 = np.array([1000, 3000, 5000, 7000, 8988.068359375, 10898.337890625,
12625.966796875, 14083.875, 15212.78125, 15977.908203125,
16365.806640625, 16381.3125, 16044.609375, 15388.43359375,
14455.39453125, 13295.40625, 11963.26171875, 10516.318359375,
9012.30859375, 7507.275390625, 6053.626953125, 4698.31591796875,
3481.1435546875, 2433.18725585938, 1575.34753417969, 917.019409179688,
454.8876953125, 171.845024108887, 36.0317916870117, 0, 0])
hybm31 = np.array([0, 0, 0, 0, 0.000195429078303275, 0.00165527942590415,
0.0060569163179025, 0.0147566441446543, 0.0286470074206591,
0.0482312496751547, 0.0736913084983826, 0.104949295520782,
0.141722559928894, 0.183572381734848, 0.229945927858353,
0.280211985111237, 0.333690196275711, 0.38967365026474,
0.447445213794708, 0.50628736615181, 0.565485417842865,
0.624324411153793, 0.682079493999481, 0.737999826669693,
0.791286110877991, 0.841061413288116, 0.886335849761963,
0.925964534282684, 0.958599209785461, 0.982633352279663, 0.996140748262405])
hyam47 = np.array([1000, 3000, 5000, 7000, 8988.068359375, 10898.337890625,
12625.966796875, 14083.875, 15212.78125, 15977.908203125,
16365.806640625, 16381.3125, 16044.609375, 15388.43359375,
14455.39453125, 13295.40625, 11963.26171875, 10516.318359375,
9012.30859375, 7507.275390625, 6053.626953125, 4698.31591796875,
3481.1435546875, 2433.18725585938, 1575.34753417969, 917.019409179688,
454.8876953125, 171.845024108887, 36.0317916870117, 0, 0])
hybm47 = np.array([0, 0, 0, 0, 0.000195429078303275, 0.00165527942590415,
0.0060569163179025, 0.0147566441446543, 0.0286470074206591,
0.0482312496751547, 0.0736913084983826, 0.104949295520782,
0.141722559928894, 0.183572381734848, 0.229945927858353,
0.280211985111237, 0.333690196275711, 0.38967365026474,
0.447445213794708, 0.50628736615181, 0.565485417842865,
0.624324411153793, 0.682079493999481, 0.737999826669693,
0.791286110877991, 0.841061413288116, 0.886335849761963,
0.925964534282684, 0.958599209785461, 0.982633352279663, 0.996140748262405])
class mainWindow(Ui_MainWindow):
def __init__(self):
Ui_MainWindow.__init__(self)
self.filename = ''
self.datapath = ''
self.varnames = []
self.data = None
self.file_button.clicked.connect(self.getFilename)
self.filename_field.returnPressed.connect(self.reloadFile)
self.plot_button.clicked.connect(self.popPlotDialog)
self.mod_data_button.clicked.connect(self.popModDialog)
self.specialvar_button.clicked.connect(self.addSpecialVar)
self.humidity_button.clicked.connect(self.popHumCreatorDialog)
def getFilename(self):
name = QtGui.QFileDialog.getOpenFileName(self, 'File Browser', directory=self.filename)
print name
if(name == '' and self.filename == ''):
print 'please open a file'
elif(str(name).endswith('.nc')):
self.setFilename(name)
self.setupVariables()
elif(str(self.filename).endswith('.nc')):
self.setupVariables()
def reloadFile(self):
if(str(self.filename).endswith('.nc')):
self.setupVariables()
else:
print 'please enter a valid netCDF filename'
def setFilename(self, name):
self.filename = name
self.filename_field.setText(name)
def addSpecialVar(self):
eq = str(self.specialvar_field.text())
eqVars = getVars(eq)
if(not (eq.count('(') == eq.count(')'))):
print 'invalid equation'
return
contains = np.product([var in self.data.variables for var in eqVars])
if(not contains):
print 'invalid variable'
return
ndims = [len(np.squeeze(self.data.variables[key]).shape) for key in eqVars]
samedims = ndims[1:] == ndims[:-1]
if(not samedims):
print 'evaluating variables of different dimension'
return
if(not self.data):
print 'no data'
else:
varnames1d = self.textFromListWidget(self.var1d_list, allNames=True)
varnames2d = self.textFromListWidget(self.var2d_list, allNames=True)
varnames3d = self.textFromListWidget(self.var3d_list, allNames=True)
dim = ndims[0]
if(dim == 1 and not eq in varnames1d):
self.var1d_list.addItem(eq)
elif(dim == 2 and not eq in varnames2d):
self.var2d_list.addItem(eq)
elif(dim == 3 and not eq in varnames3d):
self.var3d_list.addItem(eq)
else:
print 'unknown dimension:', eq, dim
def setupVariables(self):
self.var1d_list.clear()
self.var2d_list.clear()
self.var3d_list.clear()
if(self.data):
self.data.close()
try:
self.data = Dataset(str(self.filename), mode='a')
except:
print 'please enter a valid netCDF filename'
return
keys = [key for key in self.data.variables]
keys = sorted(keys)
for key in keys:
dim = len(np.squeeze(self.data.variables[key]).shape)
if(dim == 1):
self.var1d_list.addItem(key)
elif(dim == 2):
self.var2d_list.addItem(key)
elif(dim == 3):
self.var3d_list.addItem(key)
else:
print 'unknown dimension:', key, dim
def popPlotDialog(self):
varnames1d = self.textFromListWidget(self.var1d_list)
varnames2d = self.textFromListWidget(self.var2d_list)
varnames3d = self.textFromListWidget(self.var3d_list)
varnames = varnames1d + varnames2d + varnames3d
if(len(varnames) > 0):
self.makeDialog(varnames)
def popModDialog(self):
varnames1d = self.textFromListWidget(self.var1d_list)
varnames2d = self.textFromListWidget(self.var2d_list)
varnames3d = self.textFromListWidget(self.var3d_list)
varnames = varnames1d + varnames2d + varnames3d
if(len(varnames) <= 0):
print 'invalid number of variables chosen: %s, must be >=1'%(len(varnames))
return
else:
self.makeModDialog(varnames)
def popHumCreatorDialog(self):
varnames1d = self.textFromListWidget(self.var1d_list)
varnames2d = self.textFromListWidget(self.var2d_list)
varnames3d = self.textFromListWidget(self.var3d_list)
varnames = varnames1d + varnames2d + varnames3d
self.makeHumCreatorDialog(varnames)
def textFromListWidget(self, lwidget, allNames=False):
varnames = []
for i in range(lwidget.count()):
item = lwidget.item(i)
text = item.text()
if item.isSelected() or allNames:
varnames.append(text)
return varnames
def makeDialog(self, varnames):
datahandlers = []
for name in varnames:
dh = dataHandler(self.data, str(name))
datahandlers.append(dh)
pdialog = plotDialog(datahandlers)
pdialog.setWindowTitle('Matplotlib Plot')
pdialog.show()
cdialog = configDialog(pdialog)
cdialog.setWindowTitle('Configure')
cdialog.show()
def makeModDialog(self, varnames):
datahandlers = []
for name in varnames:
dh = dataHandler(self.data, str(name))
datahandlers.append(dh)
moddialog = modifyDialog(datahandlers, self)
moddialog.setWindowTitle('Modify netCDF data')
moddialog.show()
def makeHumCreatorDialog(self, varnames):
datahandlers = []
# read in temperature and specific humidity from forcing file
temperature = self.data.variables['t'][0,:]
spechum = self.data.variables['q'][0,:]
varnames = list(set().union(varnames, ['q', 't']))
print varnames
nlvl = 0
for name in varnames:
dh = dataHandler(self.data, str(name))
datahandlers.append(dh)
nlvl = dh.nlvl
if('vct_a' in self.data.variables.keys() and 'vct_b' in self.data.variables.keys()):
print 'vct_a', self.data.variables['vct_a'][:].shape
hyam = self.data.variables['vct_a'][:]
hybm = self.data.variables['vct_b'][:]
print 'vct_a taken from file:'
print hyam
print 'vct_b taken from file:'
print hybm
if(nlvl == 31):
hyam = hyam31
hybm = hybm31
elif(nlvl == 47):
hyam = hyam47
hybm = hybm47
else:
print 'cannot handle those modellevels:', self.data.nlev
return
if('aps' in self.data.variables.keys()):
aps = self.data.variables['aps'][0]
print 'aps taken from file: aps = %s'%(aps)
else:
aps = 100000
mlev = hyam+hybm*aps
# interpolate interface pressure to midlvl pressures to much T and q
# this can be done more carefully, but it doesn't really matter for the
# application, so it may be improved some time later.
if(len(mlev)%2 == 0):
i = np.arange(len(mlev)-1)
mlev = (mlev[i]+mlev[i+1])/2.0
humConverter = HumidityConverter(mlev, temperature, spechum)
moddialog = modifyDialog(datahandlers, self, humConverter)
moddialog.setWindowTitle('Modify netCDF data')
moddialog.show()
print 'finished showing moddialog'
def cleanup(self):
self.data.close()
if __name__ == '__main__':
qApp = QtGui.QApplication(sys.argv)
aw = mainWindow()
aw.setWindowTitle("%s" % progname)
aw.show()
sys.exit(qApp.exec_())
#qApp.exec_()