aare/python/tests/test_Cluster.py
2025-04-14 16:38:25 +02:00

111 lines
3.2 KiB
Python

import pytest
import numpy as np
from aare import _aare #import the C++ module
from conftest import test_data_path
def test_cluster_vector_can_be_converted_to_numpy():
cv = _aare.ClusterVector_Cluster3x3i()
arr = np.array(cv, copy=False)
assert arr.shape == (0,) # 4 for x, y, size, energy and 9 for the cluster data
def test_ClusterVector():
"""Test ClusterVector"""
clustervector = _aare.ClusterVector_Cluster3x3i()
assert clustervector.cluster_size_x == 3
assert clustervector.cluster_size_y == 3
assert clustervector.item_size() == 4+9*4
assert clustervector.frame_number == 0
assert clustervector.size == 0
cluster = _aare.Cluster3x3i(0,0,np.ones(9, dtype=np.int32))
clustervector.push_back(cluster)
assert clustervector.size == 1
with pytest.raises(TypeError): # Or use the appropriate exception type
clustervector.push_back(_aare.Cluster2x2i(0,0,np.ones(4, dtype=np.int32)))
with pytest.raises(TypeError):
clustervector.push_back(_aare.Cluster3x3f(0,0,np.ones(9, dtype=np.float32)))
def test_Interpolator():
"""Test Interpolator"""
ebins = np.linspace(0,10, 20, dtype=np.float64)
xbins = np.linspace(0, 5, 30, dtype=np.float64)
ybins = np.linspace(0, 5, 30, dtype=np.float64)
etacube = np.zeros(shape=[30, 30, 20], dtype=np.float64)
interpolator = _aare.Interpolator(etacube, xbins, ybins, ebins)
assert interpolator.get_ietax().shape == (30,30,20)
assert interpolator.get_ietay().shape == (30,30,20)
clustervector = _aare.ClusterVector_Cluster3x3i()
cluster = _aare.Cluster3x3i(0,0, np.ones(9, dtype=np.int32))
clustervector.push_back(cluster)
interpolated_photons = interpolator.interpolate(clustervector)
assert interpolated_photons.size == 1
assert interpolated_photons[0]["x"] == -1
assert interpolated_photons[0]["y"] == -1
assert interpolated_photons[0]["energy"] == 4 #eta_sum = 4, dx, dy = -1,-1 m_ietax = 0, m_ietay = 0
clustervector = _aare.ClusterVector_Cluster2x2i()
cluster = _aare.Cluster2x2i(0,0, np.ones(4, dtype=np.int32))
clustervector.push_back(cluster)
interpolated_photons = interpolator.interpolate(clustervector)
assert interpolated_photons.size == 1
assert interpolated_photons[0]["x"] == 0
assert interpolated_photons[0]["y"] == 0
assert interpolated_photons[0]["energy"] == 4
def test_calculate_eta():
"""Calculate Eta"""
clusters = _aare.ClusterVector_Cluster3x3i()
clusters.push_back(_aare.Cluster3x3i(0,0, np.ones(9, dtype=np.int32)))
clusters.push_back(_aare.Cluster3x3i(0,0, np.array([1,1,1,2,2,2,3,3,3])))
eta2 = _aare.calculate_eta2(clusters)
assert eta2.shape == (2,2)
assert eta2[0,0] == 0.5
assert eta2[0,1] == 0.5
assert eta2[1,0] == 0.5
assert eta2[1,1] == 0.6 #1/5
def test_cluster_finder():
"""Test ClusterFinder"""
clusterfinder = _aare.ClusterFinder_Cluster3x3i([100,100])
#frame = np.random.rand(100,100)
frame = np.zeros(shape=[100,100])
clusterfinder.find_clusters(frame)
clusters = clusterfinder.steal_clusters(False) #conversion does not work
assert clusters.size == 0