PtolemyGUI/PyGUIQt6/ExWindow.py

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Python
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#!/usr/bin/python3
import os
import time
from PyQt6.QtWidgets import (
QVBoxLayout, QWidget, QCheckBox
)
from PyQt6.QtCore import QUrl
from PyQt6.QtWebEngineWidgets import QWebEngineView
import plotly.graph_objects as go
from IAEANuclearData import IsotopeClass
class ExWindow(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle("Ex Plot")
self.setGeometry(100, 100, 400, 800)
self.ASym = ""
self.maxEx = 0
self.data = None
self.Iso = IsotopeClass()
self.html_file = None
self.web_view = QWebEngineView()
layout = QVBoxLayout(self)
layout.addWidget(self.web_view)
# self.plot_Ex_graph()
def GetEx(self, ASym :str, maxEx :float):
self.ASym = ASym
self.maxEx = maxEx
self.data = self.Iso.GetExList(ASym, maxEx)
def plot_Ex_graph(self):
if self.html_file and os.path.exists(self.html_file):
os.remove(self.html_file)
xShift = 0
fontSize = 14
plotHeight = 700
plotWidth = 350
yMin = -1
# Create a Plotly figure
fig = go.Figure()
ex=self.data['energy']/1000.
jp=self.data['jp']
fig = go.Figure()
fig.update_layout(plot_bgcolor='white', width=plotWidth, height = plotHeight, margin=dict(l=0, r=0, t=0, b=0))
fig.update_layout(showlegend=False)
fig.update_xaxes(showline=False, visible= False, range=[-1, 3])
fig.update_yaxes(showline=True, visible= True, range=[yMin, self.maxEx+1])
l=ex.last_valid_index()
fontSizeMeV=fontSize/plotHeight*(self.maxEx+1-yMin)
#print(fontSizeMeV)
#adjust text label y-pos
ypos = ex.copy()
noOverlap = False
loop = 0
while noOverlap == False and loop < 2*l :
#print("================= %d" % loop)
for i in range(1, l+1) :
diff = ypos[i] - ypos[i-1]
#print("%2d | %.3f, %.3f | %.4f" % (i, ypos[i], ypos[i-1], diff))
if diff < fontSizeMeV :
ypos[i-1] += (diff - fontSizeMeV)/2
ypos[i] += (fontSizeMeV - diff)/2
if( ypos[i-1] < yMin + fontSizeMeV/2) :
ypos[i-1] = yMin + fontSizeMeV/2
ypos[i] = ypos[i-1] + fontSizeMeV
#print(" | %.3f, %.3f" % (ypos[i], ypos[i-1]))
#print(ypos)
###=======inspection
count = 0
for i in range(1, l+1) :
diff = ypos[i] - ypos[i-1]
if diff > fontSizeMeV :
count = count +1
if count == l :
noOverlap = True
loop += 1
for i in range(0,l+1):
fig.add_trace(go.Scatter(x=[xShift,1 + xShift], y=[ex[i],ex[i]],mode='lines',line=dict(color='black', width=1)))
fig.add_trace(go.Scatter(x=[1.03 + xShift,1.1 + xShift, 1.19 + xShift], y=[ex[i],ypos[i],ypos[i]],mode='lines',line=dict(color='gray', width=1)))
fig.add_annotation(x=1.2 + xShift, y=ypos[i], text=("%.3f, %s" % (ex[i], jp[i])), xanchor='left', font=dict(size=fontSize), showarrow=False)
fig.add_annotation(x=0.5 + xShift, y=-0.5, text=self.ASym, font=dict(size=1.5*fontSize), showarrow=False)
# Save the plot as an HTML file in a temporary location
timestamp = int(time.time() * 1000) # Unique timestamp in milliseconds
html_file = f"/tmp/Exwindow_{timestamp}.html"
fig.write_html(html_file)
self.html_file = html_file # Store for cleanup
self.web_view.setUrl(QUrl.fromLocalFile(html_file))
def __del__(self):
if os.path.exists(self.html_file):
os.remove(self.html_file)