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#!/usr/bin/env python
# Simple test of plgradient for a complicated polygon.
# Append to effective python path so that can find plplot modules.
from plplot_python_start import *
import sys
from plplot import *
from numpy import *
from math import *
# Parse and process command line arguments
plparseopts(sys.argv, PL_PARSE_FULL)
xmin,xmax,ymin,ymax = (0., 1., 0., 1.)
x = (0., 0.2, 1., 0.3)
y = (0., 1., 0.2, 0.6)
#x = (0., 0., 1., 1.)
#y = (0., 1., 1., 0.)
# Initialize plplot
plinit()
for i in range(1):
plcol0(2)
pladv(0)
plvpor(0.1, 0.9, 0.1, 0.9)
plwind(xmin, xmax, ymin, ymax)
# Just to show edges of viewport
plbox("bc", 0., 0, "bc", 0., 0)
plcol0(1)
plgradient(x,y, 45. + i)
plend()
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