add plotting weather temperature forecast using matplotlib tutorial

Author: x4nth055

README.md

@@ -117,6 +117,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
     - [How to Replace Text in Docx Files in Python](https://www.thepythoncode.com/article/replace-text-in-docx-files-using-python). ([code](general/docx-file-replacer))
     - [How to Make a Text Adventure Game in Python](https://www.thepythoncode.com/article/make-a-text-adventure-game-with-python). ([code](general/text-adventure-game))
     - [Zipf's Word Frequency Plot with Python](https://www.thepythoncode.com/article/plot-zipfs-law-using-matplotlib-python). ([code](general/zipf-curve))
+    - [How to Plot Weather Temperature in Python](https://www.thepythoncode.com/article/interactive-weather-plot-with-matplotlib-and-requests). ([code](general/interactive-weather-plot/))
 
 
 

general/interactive-weather-plot/README.md

@@ -0,0 +1 @@
+# [How to Plot Weather Temperature in Python](https://www.thepythoncode.com/article/interactive-weather-plot-with-matplotlib-and-requests)

general/interactive-weather-plot/interactive_weather_plot.py

@@ -0,0 +1,89 @@
+import matplotlib.pyplot as plt
+from matplotlib.widgets import RadioButtons
+import seaborn
+seaborn.set_style("darkgrid")
+import requests
+import json
+
+# Define some Locations to choose from.
+# Latitude and Longitude
+locations = {
+    'Schaffhausen': ['47.7', '8.6'],
+    'Sydney': ['-33.86', '151.20'],
+    'Kyiv': ['50.4422', '30.5367'],
+    'Constantine': ['36.368258', '6.560254'],
+    'Yakutsk': ['62.0', '129.7'],
+}
+
+# Setting Up Matplotlib, using the OOP Approach
+fig, ax = plt.subplots()
+# the plot is created with the first location
+p = None
+
+# make a function to get the temperatures of a given location
+def getTemperatures(location):
+    # get the lat and long of the location
+    lat, lon = locations[location]
+    req = requests.get(f'https://api.open-meteo.com/v1/forecast?latitude={lat}&longitude={lon}&hourly=temperature_2m')
+    req = json.loads(req.text)
+    # get the tempratures
+    temperatures = req['hourly']['temperature_2m']
+    # get the times
+    times = req['hourly']['time']
+    return times, temperatures
+
+
+# Make a dictionary with the locations as keys and the getTemperatures() function as values
+location2data = {}
+for location in locations:
+    location2data[location] = getTemperatures(location)
+
+
+def changeLocation(newLocation):
+    global p
+    # get the data of the location from the dictionary
+    times, temperatures = location2data[newLocation]
+    if p:
+        p.set_ydata(temperatures)
+        # reflect changes in the plot
+        plt.draw()
+    else:
+        # Make a Plot and save the first object to a variable
+        # p will be a Line2D object which can be changed at a later time
+        p = ax.plot(times, temperatures, ls=':', lw=3)[0]
+        # set the x-axis to the times
+        xRange = list(range(0, 168, 24)) + [168]
+        ax.set_xticks(xRange)
+        # set the y-axis to the temperatures
+        yRange = list(range(-20, 55, 5))
+        ax.set_yticks(yRange)
+        plt.tick_params(axis="both", which='both', labelrotation=-10) # rotate the labels
+    # set the title
+    ax.set_title('Temperatures in ' + newLocation)
+
+
+# Call the change Location function for the first time
+changeLocation('Schaffhausen')
+
+# Making the Radio Buttons
+buttons = RadioButtons(
+    ax=plt.axes([0.1, 0.1, 0.2, 0.2]),
+    labels=locations.keys()
+)
+
+# Connect click event on the buttons to the function that changes location.
+buttons.on_clicked(changeLocation)
+
+# adjust the plot size
+plt.subplots_adjust(left=0.1, bottom=0.40)
+
+# Label the Plot
+ax.set_xlabel('Times [Next Seven Days]')
+# ax.xaxis.label.set_color(labelColor)
+
+ax.set_ylabel('Temperatures [Celcius]')
+# ax.yaxis.label.set_color(labelColor)
+
+plt.savefig('file.svg', format='svg')
+
+plt.show()

general/interactive-weather-plot/requirements.txt

@@ -0,0 +1,3 @@
+matplotlib
+seaborn
+requests