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#! /usr/bin/env python
import openturns as ot
ot.TESTPREAMBLE()
# Generate the data for the polygons to be drawn
size = 50
cursor = ot.Point(2)
data1 = ot.Sample(size, 2) # polygon y = 2x for x in [-25]
data2 = ot.Sample(size, 2) # polygon y = x*x for x in [-11]
for i in range(size):
tmp = 7.0 * i / size + 2
cursor[0] = tmp
cursor[1] = 2 * tmp
data1[i] = cursor
tmp = 9.0 * i / size + 1
cursor[0] = tmp
cursor[1] = tmp * tmp
data2[i] = cursor
# Create an empty graph
graph = ot.Graph("Some polygons", "x1", "x2", True, "topright")
# Create the first polygon
polygon1 = ot.Polygon(data1)
polygon1.setColor("blue")
# Then, draw it
graph.add(polygon1)
# Create the second polygon
polygon2 = ot.Polygon(data2)
polygon2.setColor("red")
# Add it to the graph
graph.add(polygon2)
# Fill below the start of the second polygon
polygon = ot.Polygon.FillBetween(data2[:10, 0], data2[:10, 1], [[data2[0, 1]]] * 10)
polygon.setColor("green")
graph.add(polygon)
# Try all scale types
for i in range(4):
graph.setLogScale(i)
print("graph = ", graph)
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