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WorldMap.py
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WorldMap.py
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import os
import sys
import time
import types
from datetime import datetime
from random import randint
import pyqtgraph as pg
from PyQt5 import QtCore
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon, QColor
from PyQt5.QtWebEngineWidgets import QWebEngineView
from PyQt5.QtWidgets import *
class WorldMap(QMainWindow):
def __init__(self, *args, **kwargs):
super(WorldMap, self).__init__(*args, **kwargs)
self.webEngineView = QWebEngineView()
self.webEngineView.setStyleSheet("border: 5px solid #999999;")
mainWidget = QWidget()
self.setWindowTitle("World Map")
self.setWindowIcon(QIcon(self.resource_path('icon.ico')))
self.dropdownValues = ["new_cases", "new_cases_per_million", "total_cases", "new_deaths",
"new_deaths_per_million", "total_deaths", "new_vaccinations", "total_vaccinations"]
self.displayBox = QComboBox()
self.displayBox.addItem("Neue Infektionen")
self.displayBox.addItem("Neue Infektionen pro Million")
self.displayBox.addItem("Totale Infektionen")
self.displayBox.addItem("Neue Tode")
self.displayBox.addItem("Neue Tode pro Million")
self.displayBox.addItem("Totale Tode")
self.displayBox.addItem("Neue Impfungen")
self.displayBox.addItem("Totale Impfungen")
self.displayBox.currentIndexChanged.connect(self.loadWebView)
self.timeSlider = QSlider(Qt.Horizontal)
self.timeSlider.setStyleSheet("QSlider::groove:horizontal { " +
"border: 1px solid #999999; " +
"height: 20px; " +
"background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #B1B1B1, stop:1 #c4c4c4); " +
"margin: 2px 0; " +
"} " +
"QSlider::handle:horizontal { " +
"background: qlineargradient(x1:0, y1:0, x2:1, y2:1, stop:0 #b4b4b4, stop:1 #8f8f8f); " +
"border: 1px solid #5c5c5c; " +
"width: 30px; " +
"margin: -2px 0px; " +
"} ")
self.timeSliderMinText = QLabel()
self.timeSliderMinText.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignTop)
self.timeSliderMaxText = QLabel()
self.timeSliderMaxText.setAlignment(QtCore.Qt.AlignRight | QtCore.Qt.AlignTop)
self.timeSliderTextWidget = QWidget()
self.timeSlider.sliderReleased.connect(self.loadWebView)
self.timeSlider.valueChanged.connect(self.updateTitleText)
self.timeSliderMinText.setMaximumHeight(30)
self.timeSliderMaxText.setMaximumHeight(30)
self.timeSliderTextWidget.setMaximumHeight(30)
timeSliderTextWidgetLayout = QGridLayout()
timeSliderTextWidgetLayout.addWidget(self.timeSliderMinText, 0, 0)
timeSliderTextWidgetLayout.addWidget(self.timeSliderMaxText, 0, 1)
self.timeSliderTextWidget.setLayout(timeSliderTextWidgetLayout)
self.title = QLabel("Title")
self.title.setMaximumHeight(60)
self.title.setStyleSheet("font-size:25pt;font-weight:bold;")
mainWidgetLayout = QVBoxLayout()
mainWidget.setLayout(mainWidgetLayout)
mainWidgetLayout.addWidget(self.title)
mainWidgetLayout.addWidget(self.displayBox)
mainWidgetLayout.addWidget(self.webEngineView)
mainWidgetLayout.addWidget(self.timeSlider)
mainWidgetLayout.addWidget(self.timeSliderTextWidget)
self.setCentralWidget(mainWidget)
def resource_path(self, relative_path):
if hasattr(sys, '_MEIPASS'):
return os.path.join(sys._MEIPASS, relative_path)
return os.path.join(os.path.abspath('.'), relative_path)
def loadWebView(self):
"""
Ladet die Karte und zeigt sie an
"""
with open(self.resource_path('WorldMapTemplate.html'), 'r') as f:
html = f.read()
colorValues = ""
dataValues = ""
minColor = QColor(173, 173, 173)
maxColor = QColor(117, 0, 0)
min = sys.maxsize
max = 0
#Selektiert den momentanen Key des Dropdowns
usedKey = self.dropdownValues[self.displayBox.currentIndex()]
#Generiert das Minimum und Maximum der Daten
for i in range(len(self.data)):
entry = self.entryFromDate(i)
if entry is not None:
if entry.entry[usedKey] != '' and float(entry.entry[usedKey]) >= 0:
if float(entry.entry[usedKey]) > max:
max = float(entry.entry[usedKey])
if float(entry.entry[usedKey]) < min:
min = float(entry.entry[usedKey])
#Setzt die Variablen colorValues und DataValues (verantwortlich für die Farbe und die Zahlenanzeige auf der Weltkarte)
for i in range(len(self.data)):
entry = self.entryFromDate(i)
if entry is not None:
color = minColor
if entry.entry[usedKey] != '' and float(entry.entry[usedKey]) >= 0:
t = (((float(entry.entry[usedKey]) - min) * (1 - 0)) / (max - min))
color = self.interpolateColors(minColor, maxColor, t)
colorValues += "\"" + str(self.data[i].name) + "\" : \"" + str(color.name()) + "\","
dataValues += "\"" + str(self.data[i].name) + "\" : \"\\n" + entry.entry[usedKey] + "\","
#Setzen bestimmter Werte in dem template File (WorldMapTemplate.html)
colorValues = colorValues[0:len(colorValues) - 1]
dataValues = dataValues[0:len(dataValues) - 1]
html = html.replace("COLORVALUES", colorValues)
html = html.replace("DATAVALUES", dataValues)
html = html.replace("MINCOLOR", minColor.name())
html = html.replace("MAXCOLOR", maxColor.name())
html = html.replace("MINVALUE", str(min))
html = html.replace("MAXVALUE", str(max))
self.webEngineView.setHtml(html)
def entryFromDate(self, countryIndex):
"""
Gibt ein Entry des momentan selektierten Tages von einem Land zurück
:param countryIndex: Index des Landes
:return: Entry des Tages
"""
entries = self.data[countryIndex].entries
for i in entries:
date = datetime.fromtimestamp(self.timeSlider.value())
date = date.replace(hour=0, minute=0, second=0)
if datetime.strptime(i.entry["date"], "%Y-%m-%d") == date:
return i
def getMinimumDate(self):
"""
Gibt das minimale Datum der Daten zurück (Anfangsdatum)
:return: Minimales Datum als timestamp
"""
minDate = sys.maxsize
for i in self.data:
date = datetime.timestamp(datetime.strptime(i.entries[-1].entry["date"], "%Y-%m-%d"))
if date < minDate and date != 0:
minDate = date
return minDate
def getMaximumDate(self):
"""
Gibt das maximale Datum der Daten zurück (Enddatum)
:return: Maximales Datum als timestamp
"""
maxDate = 0
for i in self.data:
date = datetime.timestamp(datetime.strptime(i.entries[0].entry["date"], "%Y-%m-%d"))
if date > maxDate and date != 0:
maxDate = date
return maxDate
def setMinMaxSliderTexts(self):
"""
Setzt das Minimum und Maximum des Sliders
:return:
"""
self.timeSlider.setTickInterval(86400) #Einen Tag im Timestamp vorwärtsspringen
self.timeSlider.setSingleStep(86400) #Einen Tag im Timestamp vorwärtsspringen
#Minimal und Maximalwerte setzen
self.timeSlider.setMinimum(self.getMinimumDate())
self.timeSlider.setMaximum(self.getMaximumDate())
#Minimal und Maximaltext setzen
self.timeSliderMinText.setText(datetime.strftime(datetime.fromtimestamp(self.timeSlider.minimum()), "%d-%m-%Y"))
self.timeSliderMaxText.setText(datetime.strftime(datetime.fromtimestamp(self.timeSlider.maximum()), "%d-%m-%Y"))
#Value des Sliders auf heutiges Datum setzen
self.timeSlider.setValue(self.timeSlider.maximum())
def updateTitleText(self):
"""
Aktualisiert den Titel text der Weltkarte auf das selektierte Datum
"""
self.title.setText("Weltkarte vom " + str(datetime.strftime(datetime.fromtimestamp(self.timeSlider.value()),
"%d-%m-%Y")))
def interpolateColors(self, a, b, t):
"""
Interpoliert zwischen zwei Farben mit dem Faktor t (0 bis 1)
Beispiel:
a = (254, 254, 254)
b = (0, 0, 0)
t = 0.5
Ergebnis: (127, 127, 127)
:param a: Erste Farbe
:param b: Zweite Farbe
:param t: Faktor
:return: Neue Farbe
"""
return QColor(a.red() + (b.red() - a.red()) * t,
a.green() + (b.green() - a.green()) * t,
a.blue() + (b.blue() - a.blue()) * t,
a.alpha() + (b.alpha() - a.alpha() ) * t)