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shape_generator_v0.py
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#!/usr/bin/env python
import os, sys, time
import numpy as np
import matplotlib
import matplotlib.pyplot as plt
from matplotlib.path import Path
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from PyQt5.QtCore import pyqtSignal,Qt
from PyQt5.QtWidgets import QApplication,\
QPushButton,\
QWidget,\
QHBoxLayout,\
QVBoxLayout,\
QGridLayout,\
QLabel,\
QLineEdit,\
QTabWidget,\
QTabBar,\
QGroupBox,\
QDialog,\
QTableWidget,\
QTableWidgetItem,\
QInputDialog,\
QMessageBox,\
QComboBox,\
QShortcut,\
QFileDialog,\
QCheckBox,\
QRadioButton,\
QHeaderView,\
QSlider,\
QSpinBox,\
QDoubleSpinBox
from keras import models
from scipy import interpolate
base_path = os.path.abspath(os.path.dirname(sys.argv[0]))
background_path = base_path + '/images/insideKSTAR.jpg'
k2rz_model_path = base_path + '/weights/k2rz/'
max_models = 5
decimals = np.log10(200)
dpi = 1
matplotlib.rcParams['axes.linewidth']=1.*(100/dpi)
matplotlib.rcParams['axes.labelsize']=10*(100/dpi)
matplotlib.rcParams['xtick.labelsize']=10*(100/dpi)
matplotlib.rcParams['ytick.labelsize']=10*(100/dpi)
matplotlib.rcParams['xtick.major.size']=3.5*(100/dpi)
matplotlib.rcParams['xtick.major.width']=0.8*(100/dpi)
matplotlib.rcParams['xtick.minor.size']=2*(100/dpi)
matplotlib.rcParams['xtick.minor.width']=0.6*(100/dpi)
matplotlib.rcParams['ytick.major.size']=3.5*(100/dpi)
matplotlib.rcParams['ytick.major.width']=0.8*(100/dpi)
matplotlib.rcParams['ytick.minor.size']=2*(100/dpi)
matplotlib.rcParams['ytick.minor.width']=0.6*(100/dpi)
#matplotlib.rcParams['axes.labelweight']='bold'
# Wall in KSTAR
Rwalls = np.array([1.265, 1.608, 1.683, 1.631, 1.578, 1.593, 1.626, 2.006,
2.233, 2.235, 2.263, 2.298, 2.316, 2.316, 2.298, 2.263,
2.235, 2.233, 2.006, 1.626, 1.593, 1.578, 1.631, 1.683,
1.608, 1.265, 1.265
])
Zwalls = np.array([1.085, 1.429, 1.431, 1.326, 1.32, 1.153, 1.09, 0.773,
0.444, 0.369, 0.31, 0.189, 0.062, -0.062, -0.189, -0.31,
-0.369, -0.444, -0.773, -1.09, -1.153, -1.32, -1.326, -1.431,
-1.429, -1.085, 1.085
])
def i2f(i,decimals=decimals):
return float(i/10**decimals)
def f2i(f,decimals=decimals):
return int(f*10**decimals)
class PBGWidget(QDialog):
def __init__(self, parent=None):
super(PBGWidget, self).__init__(parent)
self.originalPalette = QApplication.palette()
topLayout = QHBoxLayout()
nModelLabel = QLabel('# of models:')
self.nModelBox = QSpinBox()
self.nModelBox.setMinimum(1)
self.nModelBox.setMaximum(max_models)
self.nModelBox.setValue(max_models)
self.plotXptCheckBox = QCheckBox('Plot X-points')
self.plotHeatLoadCheckBox = QCheckBox('Plot heat load')
self.plotBothSideCheckBox = QCheckBox('Plot both side')
self.plotRTCheckBox = QCheckBox('RT plot')
self.plotRTCheckBox.stateChanged.connect(self.rtButtonChanged)
self.overplotCheckBox = QCheckBox('Overlap device')
self.overplotCheckBox.stateChanged.connect(self.reCreatePlotBox)
topLayout.addWidget(nModelLabel)
topLayout.addWidget(self.nModelBox)
topLayout.addWidget(self.plotXptCheckBox)
topLayout.addWidget(self.plotHeatLoadCheckBox)
topLayout.addWidget(self.plotBothSideCheckBox)
topLayout.addWidget(self.plotRTCheckBox)
topLayout.addWidget(self.overplotCheckBox)
self.k2rz = k2rz(n_models=max_models)
self.createInputBox()
self.createPlotBox()
self.runbutton = QPushButton('Run')
self.runbutton.resize(10,10)
self.runbutton.clicked.connect(self.reCreatePlotBox)
self.dumpbutton = QPushButton('Dump')
self.dumpbutton.clicked.connect(self.dumpBoundary)
self.mainLayout = QGridLayout()
self.mainLayout.addLayout(topLayout,0,0,1,2)
self.mainLayout.addWidget(self.inputBox,1,0)
self.mainLayout.addWidget(self.plotBox,1,1)
self.mainLayout.addWidget(self.runbutton,2,0)
self.mainLayout.addWidget(self.dumpbutton,2,1)
self.setLayout(self.mainLayout)
self.setWindowTitle("Plasma Boundary Model v0")
self.tmp = 0
def createInputBox(self):
self.inputBox = QGroupBox('Input parameters')
ipLabel = QLabel('Ip [MA]:')
btLabel = QLabel('Bt [T]:')
bpLabel = QLabel('βp:')
self.ipBox = QDoubleSpinBox(self.inputBox)
self.ipBox.setValue(0.5)
self.btBox = QDoubleSpinBox(self.inputBox)
self.btBox.setValue(1.8)
self.betapBox = QDoubleSpinBox(self.inputBox)
self.betapBox.setValue(2.0)
kLabel = QLabel('Elon.:')
self.kSlider = QSlider(Qt.Horizontal, self.inputBox)
self.kSlider.setMinimum(f2i(1.6))
self.kSlider.setMaximum(f2i(2.0))
self.kSlider.setValue(f2i(1.8))
self.kSlider.valueChanged.connect(self.updateInputs)
self.kvlabel = QLabel(f'{self.kSlider.value()/10**decimals:.3f}')
self.kvlabel.setMinimumWidth(40)
duLabel = QLabel('Up.Tri.')
self.duSlider = QSlider(Qt.Horizontal, self.inputBox)
self.duSlider.setMinimum(f2i(0.1))
self.duSlider.setMaximum(f2i(0.5))
self.duSlider.setValue(f2i(0.3))
self.duSlider.valueChanged.connect(self.updateInputs)
self.duvlabel = QLabel(f'{self.duSlider.value()/10**decimals:.3f}')
self.duvlabel.setMinimumWidth(40)
dlLabel = QLabel('Lo.Tri.')
self.dlSlider = QSlider(Qt.Horizontal, self.inputBox)
self.dlSlider.setMinimum(f2i(0.5))
self.dlSlider.setMaximum(f2i(0.9))
self.dlSlider.setValue(f2i(0.75))
self.dlSlider.valueChanged.connect(self.updateInputs)
self.dlvlabel = QLabel(f'{self.dlSlider.value()/10**decimals:.3f}')
self.dlvlabel.setMinimumWidth(40)
rinLabel = QLabel('In.Mid. [m]')
self.rinSlider = QSlider(Qt.Horizontal, self.inputBox)
self.rinSlider.setMinimum(f2i(1.265))
self.rinSlider.setMaximum(f2i(1.36))
self.rinSlider.setValue(f2i(1.34))
self.rinSlider.valueChanged.connect(self.updateInputs)
self.rinvlabel = QLabel(f'{self.rinSlider.value()/10**decimals:.3f}')
self.rinvlabel.setMinimumWidth(40)
routLabel = QLabel('Out.Mid. [m]')
self.routSlider = QSlider(Qt.Horizontal, self.inputBox)
self.routSlider.setMinimum(f2i(2.18))
self.routSlider.setMaximum(f2i(2.29))
self.routSlider.setValue(f2i(2.22))
self.routSlider.valueChanged.connect(self.updateInputs)
self.routvlabel = QLabel(f'{self.routSlider.value()/10**decimals:.3f}')
self.routvlabel.setMinimumWidth(40)
layout = QGridLayout()
layout.addWidget(ipLabel,0,0)
layout.addWidget(self.ipBox,0,1)
layout.addWidget(btLabel,1,0)
layout.addWidget(self.btBox,1,1)
layout.addWidget(bpLabel,2,0)
layout.addWidget(self.betapBox,2,1)
layout.addWidget(kLabel,3,0)
layout.addWidget(self.kSlider,3,1)
layout.addWidget(self.kvlabel,3,2)
layout.addWidget(duLabel,4,0)
layout.addWidget(self.duSlider,4,1)
layout.addWidget(self.duvlabel,4,2)
layout.addWidget(dlLabel,5,0)
layout.addWidget(self.dlSlider,5,1)
layout.addWidget(self.dlvlabel,5,2)
layout.addWidget(rinLabel,6,0)
layout.addWidget(self.rinSlider,6,1)
layout.addWidget(self.rinvlabel,6,2)
layout.addWidget(routLabel,7,0)
layout.addWidget(self.routSlider,7,1)
layout.addWidget(self.routvlabel,7,2)
self.inputBox.setLayout(layout)
def updateInputs(self):
self.kvlabel.setText(f'{(self.kSlider.value()/10**decimals):.3f}')
self.duvlabel.setText(f'{(self.duSlider.value()/10**decimals):.3f}')
self.dlvlabel.setText(f'{(self.dlSlider.value()/10**decimals):.3f}')
self.rinvlabel.setText(f'{(self.rinSlider.value()/10**decimals):.3f}')
self.routvlabel.setText(f'{(self.routSlider.value()/10**decimals):.3f}')
if self.plotRTCheckBox.isChecked() and time.time()-self.tmp>0.05:
self.reCreatePlotBox()
self.tmp = time.time()
def rtButtonChanged(self):
if self.plotRTCheckBox.isChecked():
self.nModelBox.setValue(1)
def createPlotBox(self):
self.plotBox = QGroupBox('Output')
self.fig = plt.figure(figsize=(2.5*(100/dpi),4*(100/dpi)),dpi=dpi)
self.plotPlasma()
self.canvas = FigureCanvas(self.fig)
self.layout = QGridLayout()
self.layout.addWidget(self.canvas)
self.plotBox.setLayout(self.layout)
def reCreatePlotBox(self):
#self.mainLayout.removeWidget(self.plotBox)
self.plotBox = QGroupBox(' ')
plt.clf()
self.plotPlasma()
self.canvas = FigureCanvas(self.fig)
self.layout = QGridLayout()
self.layout.addWidget(self.canvas)
self.plotBox.setLayout(self.layout)
#self.mainLayout.addWidget(self.plotBox,1,1)
self.mainLayout.replaceWidget(self.mainLayout.itemAtPosition(1,1).widget(),self.plotBox)
def plotPlasma(self):
rbdry,zbdry = self.predictBoundary()
if self.overplotCheckBox.isChecked():
self.plotBackground()
plt.fill_between(rbdry,zbdry,color='b',alpha=0.2,linewidth=0.0)
plt.plot(Rwalls,Zwalls,'k',linewidth=1.5*(100/dpi),label='Wall')
plt.plot(rbdry,zbdry,'b',linewidth=2*(100/dpi),label='LCFS')
if self.plotXptCheckBox.isChecked():
self.plotXpoints()
if self.plotHeatLoadCheckBox.isChecked():
self.plotHeatLoads(both_side=self.plotBothSideCheckBox.isChecked())
plt.xlabel('R [m]')
plt.ylabel('Z [m]')
if self.overplotCheckBox.isChecked():
plt.xlim([0.8,2.5])
plt.ylim([-1.55,1.55])
else:
plt.axis('scaled')
plt.grid(linewidth=0.5*(100/dpi))
plt.legend(loc='center',fontsize=7.5*(100/dpi),markerscale=0.7,frameon=False)
plt.tight_layout(rect=(0.15,0.05,1.0,0.95))
def predictBoundary(self):
ip = self.ipBox.value()
bt = self.btBox.value()
bp = self.betapBox.value()
rin = self.rinSlider.value()/10**decimals
rout = self.routSlider.value()/10**decimals
k = self.kSlider.value()/10**decimals
du = self.duSlider.value()/10**decimals
dl = self.dlSlider.value()/10**decimals
self.k2rz.nmodels = self.nModelBox.value()
self.k2rz.set_inputs(ip,bt,bp,rin,rout,k,du,dl)
self.rbdry,self.zbdry = self.k2rz.predict(post=True)
self.rx1 = self.rbdry[np.argmin(self.zbdry)]
self.zx1 = np.min(self.zbdry)
self.rx2 = self.rx1
self.zx2 = -self.zx1
return self.rbdry,self.zbdry
def plotXpoints(self,mode=0):
if mode==0:
self.rx1 = self.rbdry[np.argmin(self.zbdry)]
self.zx1 = np.min(self.zbdry)
self.rx2 = self.rx1
self.zx2 = -self.zx1
plt.scatter([self.rx1,self.rx2],[self.zx1,self.zx2],marker='x',color='g',s=100*(100/dpi)**2,linewidths=2*(100/dpi),label='X-points')
def plotHeatLoads(self,n=10,both_side=False):
kinds = ['linear','quadratic'] #,'cubic']
wallPath = Path(np.array([Rwalls,Zwalls]).T)
idx1 = list(self.zbdry).index(self.zx1)
for kind in kinds:
f = interpolate.interp1d(self.rbdry[idx1-5:idx1],self.zbdry[idx1-5:idx1],kind=kind,fill_value='extrapolate')
rsol1 = np.linspace(self.rbdry[idx1],np.min(Rwalls)+1.e-4,n)
zsol1 = np.array([f(r) for r in rsol1])
is_inside1 = wallPath.contains_points(np.array([rsol1,zsol1]).T)
f = interpolate.interp1d(self.zbdry[idx1+5:idx1:-1],self.rbdry[idx1+5:idx1:-1],kind=kind,fill_value='extrapolate')
zsol2 = np.linspace(self.zbdry[idx1],np.min(Zwalls)+1.e-4,n)
rsol2 = np.array([f(z) for z in zsol2])
is_inside2 = wallPath.contains_points(np.array([rsol2,zsol2]).T)
if not np.all(zsol1[is_inside1]>self.zbdry[idx1+1]):
plt.plot(rsol1[is_inside1],zsol1[is_inside1],'r',linewidth=1.5*(100/dpi))
plt.plot(rsol2[is_inside2],zsol2[is_inside2],'r',linewidth=1.5*(100/dpi))
if both_side:
plt.plot(self.rbdry[idx1-4:idx1+4],-self.zbdry[idx1-4:idx1+4],'b',linewidth=2*(100/dpi),alpha=0.1)
plt.plot(rsol1[is_inside1],-zsol1[is_inside1],'r',linewidth=1.5*(100/dpi),alpha=0.2)
plt.plot(rsol2[is_inside2],-zsol2[is_inside2],'r',linewidth=1.5*(100/dpi),alpha=0.2)
for kind in kinds:
f = interpolate.interp1d(self.rbdry[idx1-5:idx1+1],self.zbdry[idx1-5:idx1+1],kind=kind,fill_value='extrapolate')
rsol1 = np.linspace(self.rbdry[idx1],np.min(Rwalls)+1.e-4,n)
zsol1 = np.array([f(r) for r in rsol1])
is_inside1 = wallPath.contains_points(np.array([rsol1,zsol1]).T)
f = interpolate.interp1d(self.zbdry[idx1+5:idx1-1:-1],self.rbdry[idx1+5:idx1-1:-1],kind=kind,fill_value='extrapolate')
zsol2 = np.linspace(self.zbdry[idx1],np.min(Zwalls)+1.e-4,n)
rsol2 = np.array([f(z) for z in zsol2])
is_inside2 = wallPath.contains_points(np.array([rsol2,zsol2]).T)
if not np.all(zsol1[is_inside1]>self.zbdry[idx1+1]):
plt.plot(rsol1[is_inside1],zsol1[is_inside1],'r',linewidth=1.5*(100/dpi))
plt.plot(rsol2[is_inside2],zsol2[is_inside2],'r',linewidth=1.5*(100/dpi))
if both_side:
plt.plot(rsol1[is_inside1],-zsol1[is_inside1],'r',linewidth=1.5*(100/dpi),alpha=0.2)
plt.plot(rsol2[is_inside2],-zsol2[is_inside2],'r',linewidth=1.5*(100/dpi),alpha=0.2)
plt.plot([self.rx1],[self.zx1],'r',linewidth=1*(100/dpi),label='Heat load')
def plotBackground(self):
img = plt.imread(background_path)
#plt.imshow(img,extent=[-2.9,2.98,-1.74,1.53])
plt.imshow(img,extent=[-1.6,2.45,-1.5,1.35])
def dumpBoundary(self):
ip = self.ipBox.value()
bt = self.btBox.value()
bp = self.betapBox.value()
rin = self.rinSlider.value()/10**decimals
rout = self.routSlider.value()/10**decimals
k = self.kSlider.value()/10**decimals
du = self.duSlider.value()/10**decimals
dl = self.dlSlider.value()/10**decimals
print('')
print('Input parameters:')
print('Ip [m] Bt [T] βp Elon Up.Tri Lo.Tri In.Mid.R Out.Mid.R')
print(f'{ip:.4f}, {bt:.4f}, {bp:.4f}, {k:.4f}, {du:.4f}, {dl:.4f}, {rin:.4f}, {rout:.4f}')
print('')
print('Plasma boundary:')
print('R [m] Z [m]')
for i in range(len(self.rbdry)):
print(f'{self.rbdry[i]:.4f}, {self.zbdry[i]:.4f}')
print('')
if self.plotXptCheckBox.isChecked():
print('X-points (R, Z):')
print(f'Lower X-point: {self.rx1:.4f}, {self.zx1:.4f}')
print(f'Upper X-point: {self.rx2:.4f}, {self.zx2:.4f}')
class k2rz():
def __init__(self,model_path=k2rz_model_path,n_models=10,ntheta=64,closed_surface=True,xpt_correction=True):
self.nmodels = n_models
self.ntheta = ntheta
self.closed_surface = closed_surface
self.xpt_correction = xpt_correction
self.models = []
for i in range(self.nmodels):
self.models.append(models.load_model(model_path+'/best_model{}'.format(i),custom_objects={'r2_k':self.r2_k}))
def r2_k(self, y_true, y_pred):
#SS_res = K.sum(K.square(y_true - y_pred))
#SS_tot = K.sum(K.square(y_true - K.mean(y_true)))
#return ( 1 - SS_res/(SS_tot + epsilon) )
return 1.0
def set_inputs(self,ip,bt,betap,rin,rout,k,du,dl):
self.x = np.array([ip,bt,betap,rin,rout,k,du,dl])
def predict(self,post=True):
#print('predicting...')
self.y = np.zeros(2*self.ntheta)
for i in range(self.nmodels):
self.y += self.models[i].predict(np.array([self.x]))[0]/self.nmodels
rbdry,zbdry = self.y[:self.ntheta],self.y[self.ntheta:]
if post:
if self.xpt_correction:
rgeo = 0.5*(max(rbdry)+min(rbdry))
amin = 0.5*(max(rbdry)-min(rbdry))
if self.x[6]<=self.x[7]:
rx = rgeo-amin*self.x[7]
zx = max(zbdry) - 2.*self.x[5]*amin
rx2 = rgeo-amin*self.x[6]
rbdry[np.argmin(zbdry)] = rx
zbdry[np.argmin(zbdry)] = zx
rbdry[np.argmax(zbdry)] = rx2
if self.x[6]>=self.x[7]:
rx = rgeo-amin*self.x[6]
zx = min(zbdry) + 2.*self.x[5]*amin
rx2 = rgeo-amin*self.x[7]
rbdry[np.argmax(zbdry)] = rx
zbdry[np.argmax(zbdry)] = zx
rbdry[np.argmin(zbdry)] = rx2
if self.closed_surface:
rbdry = np.append(rbdry,rbdry[0])
zbdry = np.append(zbdry,zbdry[0])
return rbdry,zbdry
if __name__ == '__main__':
app = QApplication([])
window = PBGWidget()
window.show()
app.exec()