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#!/usr/bin/env python
import unittest
import os
import math
from argaze.ArUcoMarkers import ArUcoScene, ArUcoMarker
import cv2 as cv
import numpy
class TestArUcoSceneClass(unittest.TestCase):
def new_from_obj(self):
# Edit file path
current_directory = os.path.dirname(os.path.abspath(__file__))
obj_filepath = os.path.join(current_directory, 'utils/scene.obj')
# Load file
self.aruco_scene = ArUcoScene.ArUcoScene.from_obj(obj_filepath)
def new_from_json(self):
# Edit file path
current_directory = os.path.dirname(os.path.abspath(__file__))
json_filepath = os.path.join(current_directory, 'utils/scene.json')
# Load file
self.aruco_scene = ArUcoScene.ArUcoScene.from_json(json_filepath)
def setup_markers(self):
# Prepare detected markers
self.detected_markers = {
0: ArUcoMarker.ArUcoMarker('DICT_ARUCO_ORIGINAL', 0, 1.),
1: ArUcoMarker.ArUcoMarker('DICT_ARUCO_ORIGINAL', 1, 1.),
2: ArUcoMarker.ArUcoMarker('DICT_ARUCO_ORIGINAL', 2, 1.),
3: ArUcoMarker.ArUcoMarker('DICT_ARUCO_ORIGINAL', 3, 1.)
}
# Prepare scene markers and remaining markers
self.scene_markers, self.remaining_markers = self.aruco_scene.filter_markers(self.detected_markers)
def test_new_from_obj(self):
"""Test ArUcoScene creation."""
self.new_from_obj()
self.setup_markers()
# Check ArUcoScene creation
self.assertEqual(len(self.aruco_scene.places), 3)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.identifiers, [0, 1, 2]))
self.assertEqual(self.aruco_scene.marker_size, 1.)
self.assertEqual(self.aruco_scene.places[0].marker.identifier, 0)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[0].translation, [0., 0., 0.]))
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[0].rotation, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
self.assertEqual(self.aruco_scene.places[1].marker.identifier, 1)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[1].translation, [10., 10., 0.]))
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[1].rotation, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
self.assertEqual(self.aruco_scene.places[2].marker.identifier, 2)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[2].translation, [0., 10., 0.]))
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[2].rotation, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
def test_new_from_json(self):
"""Test ArUcoScene creation."""
self.new_from_json()
self.setup_markers()
# Check ArUcoScene creation
self.assertEqual(len(self.aruco_scene.places), 3)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.identifiers, [0, 1, 2]))
self.assertEqual(self.aruco_scene.marker_size, 1.)
self.assertEqual(self.aruco_scene.places[0].marker.identifier, 0)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[0].translation, [0., 0., 0.]))
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[0].rotation, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
self.assertEqual(self.aruco_scene.places[1].marker.identifier, 1)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[1].translation, [10., 10., 0.]))
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[1].rotation, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
self.assertEqual(self.aruco_scene.places[2].marker.identifier, 2)
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[2].translation, [0., 10., 0.]))
self.assertIsNone(numpy.testing.assert_array_equal(self.aruco_scene.places[2].rotation, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
def test_filter_markers(self):
"""Test ArUcoScene markers filtering."""
self.new_from_obj()
self.setup_markers()
# Check scene markers and remaining markers
self.assertEqual(len(self.scene_markers), 3)
self.assertEqual(len(self.remaining_markers), 1)
self.assertIsNone(numpy.testing.assert_array_equal(list(self.scene_markers.keys()), self.aruco_scene.identifiers))
self.assertIsNone(numpy.testing.assert_array_equal(list(self.remaining_markers.keys()), [3]))
def test_check_markers_consistency(self):
"""Test ArUcoScene markers consistency checking."""
self.new_from_obj()
self.setup_markers()
# Edit consistent marker poses
self.scene_markers[0].translation = numpy.array([1., 1., 5.])
self.scene_markers[0].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
self.scene_markers[1].translation = numpy.array([11., 11., 5.])
self.scene_markers[1].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
self.scene_markers[2].translation = numpy.array([1., 11., 5.])
self.scene_markers[2].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
# Check consistency
consistent_markers, unconsistent_markers, unconsistencies = self.aruco_scene.check_markers_consistency(self.scene_markers, 1, 1)
# Check consistent markers, unconsistent markers and unconsistencies
self.assertEqual(len(consistent_markers), 3)
self.assertEqual(len(unconsistent_markers), 0)
self.assertEqual(len(unconsistencies), 0)
self.assertIsNone(numpy.testing.assert_array_equal(list(consistent_markers.keys()), self.aruco_scene.identifiers))
# Edit unconsistent marker poses
self.scene_markers[2].translation = numpy.array([5., 15., 5.])
# Check consistency
consistent_markers, unconsistent_markers, unconsistencies = self.aruco_scene.check_markers_consistency(self.scene_markers, 1, 1)
# Check consistent markers, unconsistent markers and unconsistencies
self.assertEqual(len(consistent_markers), 2)
self.assertEqual(len(unconsistent_markers), 1)
self.assertEqual(len(unconsistencies), 2)
self.assertIsNone(numpy.testing.assert_array_equal(list(unconsistent_markers.keys()), [2]))
self.assertIsNone(numpy.testing.assert_array_equal(list(unconsistencies.keys()), ['0/2 distance', '1/2 distance']))
def test_estimate_pose_from_single_marker(self):
"""Test ArUcoScene pose estimation from single marker."""
self.new_from_obj()
self.setup_markers()
# Edit marke pose
self.scene_markers[0].translation = numpy.array([1., 1., 5.])
self.scene_markers[0].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
# Estimate pose
tvec, rmat = self.aruco_scene.estimate_pose_from_single_marker(self.scene_markers[0])
self.assertIsNone(numpy.testing.assert_array_equal(tvec, [1., 1., 5.]))
self.assertIsNone(numpy.testing.assert_array_equal(rmat, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
def test_estimate_pose_from_markers(self):
"""Test ArUcoScene pose estimation from markers."""
self.new_from_obj()
self.setup_markers()
# Edit markers pose
self.scene_markers[0].translation = numpy.array([1., 1., 5.])
self.scene_markers[0].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
self.scene_markers[1].translation = numpy.array([11., 11., 5.])
self.scene_markers[1].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
self.scene_markers[2].translation = numpy.array([1., 11., 5.])
self.scene_markers[2].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
# Estimate pose
tvec, rmat = self.aruco_scene.estimate_pose_from_markers(self.scene_markers)
self.assertIsNone(numpy.testing.assert_array_equal(tvec, [1., 1., 5.]))
self.assertIsNone(numpy.testing.assert_array_equal(rmat, [[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]]))
def test_estimate_pose_from_axis_markers(self):
"""Test ArUcoScene pose estimation from axis markers."""
self.new_from_obj()
self.setup_markers()
# Edit markers pose
self.scene_markers[0].translation = numpy.array([1., 1., 5.])
self.scene_markers[0].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
self.scene_markers[1].translation = numpy.array([11., 11., 5.])
self.scene_markers[1].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
self.scene_markers[2].translation = numpy.array([1., 11., 5.])
self.scene_markers[2].rotation = numpy.array([[1., 0., 0.], [0., 1., 0.], [0., 0., 1.]])
# Estimate pose
tvec, rmat = self.aruco_scene.estimate_pose_from_axis_markers(self.scene_markers[2], self.scene_markers[1], self.scene_markers[0])
self.assertIsNone(numpy.testing.assert_array_equal(tvec, [1., 1., 5.]))
self.assertIsNone(numpy.testing.assert_array_equal(rmat, [[1., 0., 0.], [0., -1., 0.], [0., 0., -1.]]))
if __name__ == '__main__':
unittest.main()
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