Article Outline
Python turtle example 'romewind'
Modules used in program:
import numpy as np
import pandas as pd
import csv
import cairosvg
import shutil
import tempfile
import os
import turtle
python romewind
Python turtle example: romewind
#!/usr/bin/python
"""
Make a map of where a turtle would be pushed each day
by the wind in a certain location
"""
from tkinter import *
from turtle import *
import turtle
import os
import tempfile
import shutil
import cairosvg
from canvasvg import canvasvg
import csv
import pandas as pd
import numpy as np
silly = turtle.Turtle()
silly.right(270)#start pointing north. turtle starts pointing ->
silly.pensize(2)
df = pd.read_csv('rome2015d.csv')
#print(df)
silly.hideturtle()
silly.speed(0)
silly.penup()
silly.goto(-350,-260)
silly.pendown()
#write in the start day
silly.penup()
silly.write("Jan 1st", True, align="right",font=("Arial", 10, "normal"))
silly.goto(-350,-230)
silly.pendown()
for index, row in df.iterrows():
#ddhm Mean wind direction over 10 minutes at time of highest mean
#point in a direction opposite of the wind angle. they say where it comes from.
go=row['WD50m_deg']+180
silly.right(go)
silly.forward((row['WS50m_m/s']))
#we want to point back at the start for next days wind
backN=360- go
silly.right(backN)
#wdsp Mean Wind Speed
if index ==182:
silly.penup()
silly.write("Jul 1st", True, align="left",font=("Arial", 10, "normal"))
silly.pendown()
#write in the last day
silly.penup()
silly.write("Dec 31st", True, align="left",font=("Arial", 10, "normal"))
silly.penup()
# Make a header
silly.penup()
silly.goto(-250,120)
silly.write("Rome Wind Map for 2015", True, align="left",font=("Arial", 20, "normal"))
silly.penup()
silly.goto(-250,70)
silly.write("If you were pushed by the wind each day\nthis is the path you'd take", True, align="left",font=("Arial", 10, "normal"))
silly.penup()
silly.goto(0,-350)
silly.pendown()
# Make a compass
silly.penup()
silly.goto(180,-190)
silly.write("⇑N", True, align="left",font=("Arial", 30, "normal"))
# get image
ts= silly.getscreen()
ts.getcanvas().postscript(file="london.eps")
#finish up
turtle.done()
Python links
- Learn Python: https://pythonbasics.org/
- Python Tutorial: https://pythonprogramminglanguage.com