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#!/usr/bin/env python
import gudhi
print("#######################################################################")
print("AlphaComplex creation from points")
alpha_complex = gudhi.AlphaComplex(points=[[0,0],[1,0],[0,1],[1,1]], max_alpha_square=60.0)
if alpha_complex.find([0,1]):
print("[0,1] Found !!")
else:
print("[0,1] Not found...")
if alpha_complex.find([4]):
print("[4] Found !!")
else:
print("[4] Not found...")
if alpha_complex.insert([0,1,2], filtration=4.0):
print("[0,1,2] Inserted !!")
else:
print("[0,1,2] Not inserted...")
if alpha_complex.insert([0,1,4], filtration=4.0):
print("[0,1,4] Inserted !!")
else:
print("[0,1,4] Not inserted...")
if alpha_complex.find([4]):
print("[4] Found !!")
else:
print("[4] Not found...")
print("dimension=", alpha_complex.dimension())
print("filtered_tree=", alpha_complex.get_filtered_tree())
print("star([0])=", alpha_complex.get_star_tree([0]))
print("coface([0],1)=", alpha_complex.get_coface_tree([0], 1))
print("point[0]=", alpha_complex.get_point(0))
print("point[5]=", alpha_complex.get_point(5))
alpha_complex.initialize_filtration()
print("persistence(2)=", alpha_complex.persistence(2))
print("#######################################################################")
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