Python Forum
python3 List to array or string to extract data
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
python3 List to array or string to extract data
#1
Hey,

i am using python 3 and new to python.
i have this list :

([[[32.098659, 34.826334], [32.099361, 34.830506], [32.097026, 34.831574], [32.095502, 34.827881]]],)
This is how i see the value of the var poly using print
and i made sure its of type list. and the numbers represent X and Y on a map.

now i need to split \ make this list like an array to fit this logic :


  p1x,p1y = poly[0]
    for i in range(n+1):
        p2x,p2y = poly[i % n]
        if y > min(p1y,p2y):
             if y <= max(p1y,p2y):
                 if x <= max(p1x,p2x):
                     if p1y != p2y:
                         xinters = (y-p1y)*(p2x-p1x)/(p2y-p1y)+p1x
                     if p1x == p2x or x <= xinters:
                         inside = not inside

        p1x,p1y = p2x,p2y
    return inside
i need somhow to split poly to fit like an array with poly[0] so it can fit this function
but because its a list i get poly[0] as one big string and havent find a way to split it.

i tryied to use :
dataset_list = ''.join(str(poly))
poly = dataset_list.split(']')
it didnt work.
and i get this error
p1x,p1y = poly[0]
ValueError: too many values to unpack (expected 2)

please help me split this list.
thanks!
Reply


Messages In This Thread
python3 List to array or string to extract data - by batchenr - May-28-2019, 12:24 PM

Possibly Related Threads…
Thread Author Replies Views Last Post
  Help with to check an Input list data with a data read from an external source sacharyya 3 622 Mar-09-2024, 12:33 PM
Last Post: Pedroski55
  Python3 string slicing Luchano55 4 771 Feb-17-2024, 09:40 AM
Last Post: Pedroski55
  Is it possible to extract 1 or 2 bits of data from MS project files? cubangt 8 1,346 Feb-16-2024, 12:02 AM
Last Post: deanhystad
  extract substring from a string before a word !! evilcode1 3 686 Nov-08-2023, 12:18 AM
Last Post: evilcode1
  Why can't it extract the data from .txt well? Melcu54 3 779 Aug-20-2023, 10:07 PM
Last Post: deanhystad
Question Need help for a python script to extract information from a list of files lephunghien 6 1,254 Jun-12-2023, 05:40 PM
Last Post: snippsat
  extract only text strip byte array Pir8Radio 7 3,287 Nov-29-2022, 10:24 PM
Last Post: Pir8Radio
  Extract value from a list thesquid 2 939 Nov-29-2022, 01:54 PM
Last Post: thesquid
  python Extract sql data by combining below code. mg24 1 1,045 Oct-03-2022, 10:25 AM
Last Post: mg24
  SQL Alchemy help to extract sql data into csv files mg24 1 1,953 Sep-30-2022, 04:43 PM
Last Post: Larz60+

Forum Jump:

User Panel Messages

Announcements
Announcement #1 8/1/2020
Announcement #2 8/2/2020
Announcement #3 8/6/2020