reduce dependency

pyflowline/classes/basin.py

@@ -5,13 +5,8 @@
 import json
 from json import JSONEncoder
 import numpy as np
-import matplotlib.pyplot as plt
-import matplotlib.path as mpath
-import matplotlib.patches as mpatches
-from matplotlib import cm
-import cartopy.crs as ccrs
 
-from osgeo import ogr, osr, gdal
+
 from shapely.wkt import loads
 
 from pyflowline.classes.vertex import pyvertex
@@ -52,8 +47,7 @@
 from pyflowline.algorithms.intersect.intersect_flowline_with_mesh import intersect_flowline_with_mesh
 from pyflowline.algorithms.intersect.intersect_flowline_with_flowline import intersect_flowline_with_flowline
 
-#desired_proj = ccrs.Orthographic(central_longitude=-75, central_latitude=42, globe=None)
-desired_proj = ccrs.PlateCarree()
+
 
 class BasinClassEncoder(JSONEncoder):
     def default(self, obj):

pyflowline/classes/pycase.py

@@ -9,18 +9,10 @@
 
 from osgeo import ogr, osr, gdal
 
-import matplotlib.image as mpimg
-import matplotlib.pyplot as plt
-import matplotlib.path as mpath
-import matplotlib.ticker as mticker
-import matplotlib.patches as mpatches
-import matplotlib.cm as cm
+
 
 from shapely.wkt import loads
-from cartopy.mpl.ticker import LongitudeFormatter, LatitudeFormatter
-import cartopy.io.shapereader as shpreader
-from cartopy.feature import ShapelyFeature
-import cartopy.crs as ccrs
+
 
 from pyflowline.classes.mpas import pympas
 from pyflowline.classes.hexagon import pyhexagon
@@ -47,7 +39,7 @@
 from pyflowline.mesh.mpas.create_mpas_mesh import create_mpas_mesh
 from pyflowline.mesh.tin.create_tin_mesh import create_tin_mesh
 
-desired_proj = ccrs.PlateCarree()
+
 
 pDate = datetime.datetime.today()
 sDate_default = "{:04d}".format(pDate.year) + "{:02d}".format(pDate.month) + "{:02d}".format(pDate.day)

setup.py

@@ -13,14 +13,14 @@
 AUTHOR_EMAIL = "[email protected]"
 URL = "https://github.com/changliao1025/pyflowline"
 VERSION = "0.1.1"
-REQUIRES_PYTHON = ">=3.6.0"
+REQUIRES_PYTHON = ">=3.8.0"
 KEYWORDS = "Earth Science"
 
 REQUIRED = [
     "numpy", 
-    "matplotlib",
     "gdal",
-    "netCDF4"
+    "netCDF4",
+    "shapely"
 ]
 
 CLASSIFY = [