create_grid_inside_polygon.py

import uuid
import geopandas as gpd
import fiona
import numpy as np
from shapely.geometry import Polygon

aoi = gpd.read_file(r'D:/aus_v2/iwm_0.001_aus_uuid_part1_north_selected.shp')




#for index, row in aoi.iterrows():

#print(index)

polygons = []
uuid_list = []

xmin, ymin, xmax, ymax = aoi.geometry.total_bounds

length = 0.001
wide = 0.001

cols = list(np.arange(xmin, xmax, wide))
rows = list(np.arange(ymin, ymax, length))

#shp_data['uuid'][i] = str(uuid.uuid4())



for x in cols[:-1]:
    for y in rows[:-1]:
        uuid_id = str(uuid.uuid4())

        uuid_list.append(uuid_id)
        polygons.append(Polygon([(x,y), (x+wide, y), (x+wide, y+length), (x, y+length)]))

        #id_aoi = id_aoi + 1

#break

out_filename = "D:/aus_v2/iwm_0.01/iwm_0.001_aus_uuid_part1_north_" + row.uuid + ".shp"

grid = gpd.GeoDataFrame({'uuid': uuid_list, 'geometry':polygons})
grid['iwm_uuid'] = row.uuid
grid = grid.set_crs(aoi.crs)


#with fiona.Env(OSR_WKT_FORMAT="WKT2_2018"):
#    grid.to_file(out_filename)