-
Notifications
You must be signed in to change notification settings - Fork 5
/
test_vtk_overlay_window.py
276 lines (206 loc) · 9.67 KB
/
test_vtk_overlay_window.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
# -*- coding: utf-8 -*-
import numpy as np
import pytest
from vtkmodules.vtkCommonColor import vtkNamedColors
from vtkmodules.vtkFiltersSources import vtkConeSource
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderer
)
from PySide6.QtWidgets import QApplication, QWidget, QVBoxLayout
from vtkmodules.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
import sksurgeryvtk.models.vtk_point_model as pm
import sksurgeryvtk.models.vtk_surface_model as sm
def test_vtk_render_window_settings(setup_vtk_overlay_window):
widget, _vtk_std_err, _pyside_qt_app = setup_vtk_overlay_window
assert not widget.GetRenderWindow().GetStereoRender()
assert not widget.GetRenderWindow().GetStereoCapableWindow()
assert widget.GetRenderWindow().GetAlphaBitPlanes()
assert widget.GetRenderWindow().GetMultiSamples() == 0
widget.close()
def test_vtk_render_window_settings_no_init(setup_vtk_overlay_window_no_init):
widget, _vtk_std_err, _pyside_qt_app = setup_vtk_overlay_window_no_init
assert not widget.GetRenderWindow().GetStereoRender()
assert not widget.GetRenderWindow().GetStereoCapableWindow()
assert widget.GetRenderWindow().GetAlphaBitPlanes()
assert widget.GetRenderWindow().GetMultiSamples() == 0
widget.close()
def test_vtk_foreground_render_settings(setup_vtk_overlay_window):
widget, _vtk_std_err, _pyside_qt_app = setup_vtk_overlay_window
layer = widget.get_foreground_renderer().GetLayer()
assert widget.get_foreground_renderer().GetLayer() == 1
assert widget.get_foreground_renderer().GetUseDepthPeeling()
widget.close()
def test_vtk_background_render_settings(setup_vtk_overlay_window):
widget, _vtk_std_err, _pyside_qt_app = setup_vtk_overlay_window
assert widget.get_background_renderer().GetLayer() == 0
assert not widget.get_background_renderer().GetInteractive()
widget.close()
def test_image_importer(setup_vtk_overlay_window):
widget, _vtk_std_err, _pyside_qt_app = setup_vtk_overlay_window
width, height, _number_of_scalar_components = widget.rgb_input.shape
expected_extent = (0, height - 1, 0, width - 1, 0, 2)
actual_extent = widget.rgb_image_importer.GetDataExtent()
assert actual_extent == expected_extent
assert widget.rgb_image_importer.GetDataScalarTypeAsString() == "unsigned char"
assert widget.rgb_image_importer.GetNumberOfScalarComponents() == 3
widget.close()
def test_frame_pixels(setup_vtk_overlay_window):
widget, _vtk_std_err, _pyside_qt_app = setup_vtk_overlay_window
pixel = widget.rgb_frame[0, 0, :]
expected_pixel = [1, 1, 1]
assert np.array_equal(pixel, expected_pixel)
widget.close()
def test_basic_pyside_vtk_pipeline():
"""
Local test of a basic vtk pipeline with pyside
Not really a unit test as it does not assert anything.
But at least it might throw an error if something else changes.
For local test, remember to uncomment `_pyside_qt_app.exec()` at the end of this module
"""
# Check if already an instance of QApplication is present or not
if not QApplication.instance():
_pyside_qt_app = QApplication([])
else:
_pyside_qt_app = QApplication.instance()
window_qwidget = QWidget()
window_qwidget.show()
layout = QVBoxLayout()
window_qwidget.setLayout(layout)
colors = vtkNamedColors()
cone = vtkConeSource()
cone.SetResolution(100)
cone.SetCenter(-2, 0, 0)
coneMapper = vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
coneActor = vtkActor()
coneActor.SetMapper(coneMapper)
coneActor.GetProperty().SetColor(colors.GetColor3d("Tomato"))
coneActor.RotateZ(60.0)
coneActor = vtkActor()
coneActor.SetMapper(coneMapper)
coneActor.GetProperty().SetColor(colors.GetColor3d("Tomato"))
coneActor.RotateZ(60.0)
ren = vtkRenderer()
ren.AddActor(coneActor)
qvtk_render_window_interactor = QVTKRenderWindowInteractor()
qvtk_render_window_interactor.GetRenderWindow().AddRenderer(ren)
qvtk_render_window_interactor.resize(100, 100)
layout.addWidget(qvtk_render_window_interactor)
# To exit window using 'q' or 'e' key
qvtk_render_window_interactor.AddObserver("ExitEvent", lambda o, e, a=_pyside_qt_app: a.quit())
qvtk_render_window_interactor.Initialize()
qvtk_render_window_interactor.Start()
# You don't really want this in a unit test, otherwise you can't exit.
# If you want to do interactive testing, please uncomment the following line
# _pyside_qt_app.exec()
qvtk_render_window_interactor.close()
def test_basic_cone_overlay(vtk_overlay_with_gradient_image):
"""
Not really a unit test as it does not assert anything.
But at least it might throw an error if something else changes.
For local test, remember to uncomment `_pyside_qt_app.exec()` at the end of this module
"""
image, widget, _vtk_std_err, _pyside_qt_app = vtk_overlay_with_gradient_image
widget.resize(image.shape[1], image.shape[0])
cone = vtkConeSource()
cone.SetResolution(60)
cone.SetCenter(-2, 0, 0)
mapper = vtkPolyDataMapper()
mapper.SetInputConnection(cone.GetOutputPort())
actor = vtkActor()
actor.SetMapper(mapper)
widget.add_vtk_actor(actor)
widget.AddObserver("ExitEvent", lambda o, e, a=_pyside_qt_app: a.quit())
widget.show()
widget.Initialize()
widget.Start()
# You don't really want this in a unit test, otherwise you can't exit.
# If you want to do interactive testing, please uncomment the following line
# _pyside_qt_app.exec()
widget.close()
def test_point_set_overlay(vtk_overlay_with_gradient_image):
"""
Not really a unit test as it does not assert anything.
But at least it might throw an error if something else changes.
For local test, remember to uncomment `_pyside_qt_app.exec()` at the end of this module
"""
_image, widget, _vtk_std_err, _pyside_qt_app = vtk_overlay_with_gradient_image
points = np.zeros((4, 3), dtype=float)
points[1][0] = 1
points[2][1] = 1
points[3][2] = 1
colours = np.zeros((4, 3), dtype=np.byte)
colours[0][0] = 255
colours[0][1] = 255
colours[0][2] = 255
colours[1][0] = 255
colours[2][1] = 255
colours[3][2] = 255
vtk_models = [pm.VTKPointModel(points, colours)]
widget.add_vtk_models(vtk_models)
widget.AddObserver("ExitEvent", lambda o, e, a=_pyside_qt_app: a.quit())
widget.show()
widget.Initialize()
widget.Start()
# You don't really want this in a unit test, otherwise you can't exit.
# If you want to do interactive testing, please uncomment the following line
# _pyside_qt_app.exec()
widget.close()
def test_surface_model_overlay(vtk_overlay_with_gradient_image):
"""
Not really a unit test as it does not assert anything.
But at least it might throw an error if something else changes.
For local test, remember to uncomment `_pyside_qt_app.exec()` at the end of this module
"""
_image, widget, _vtk_std_err, _pyside_qt_app = vtk_overlay_with_gradient_image
surface = [sm.VTKSurfaceModel('tests/data/models/Liver/liver.vtk', (1.0, 1.0, 1.0))]
widget.add_vtk_models(surface)
widget.resize(512, 256)
widget.AddObserver("ExitEvent", lambda o, e, a=_pyside_qt_app: a.quit())
widget.show()
widget.Initialize()
widget.Start()
# You don't really want this in a unit test, otherwise you can't exit.
# If you want to do interactive testing, please uncomment the following line
# _pyside_qt_app.exec()
widget.close()
def test_add_model_to_background_renderer_raises_error(vtk_overlay_with_gradient_image):
surface = [sm.VTKSurfaceModel('tests/data/models/Liver/liver.vtk', (1.0, 1.0, 1.0))]
_image, widget, _vtk_std_err, _pyside_qt_app = vtk_overlay_with_gradient_image
with pytest.raises(ValueError):
widget.add_vtk_models(surface, layer=0)
with pytest.raises(ValueError):
widget.add_vtk_models(surface, layer=2)
widget.close()
def test_add_models_to_foreground_renderer(vtk_overlay_with_gradient_image):
liver = [sm.VTKSurfaceModel('tests/data/models/Liver/liver.vtk', (1.0, 1.0, 1.0))]
tumors = [sm.VTKSurfaceModel('tests/data/models/Liver/liver_tumours.vtk', (1.0, 1.0, 1.0))]
image, widget, _vtk_std_err, _pyside_qt_app = vtk_overlay_with_gradient_image
# If no layer is specified, default is 0
widget.add_vtk_models(liver)
foreground_actors = widget.get_foreground_renderer().GetActors()
assert foreground_actors.GetNumberOfItems() == 1
# Explicitly specify use of foreground renderer
widget.add_vtk_models(tumors, 1)
foreground_actors = widget.get_foreground_renderer().GetActors()
assert foreground_actors.GetNumberOfItems() == 2
# Check overlay renderer is empty
overlay_renderer_actors = widget.get_overlay_renderer().GetActors()
assert overlay_renderer_actors.GetNumberOfItems() == 0
widget.close()
def test_add_models_to_overlay_renderer(vtk_overlay_with_gradient_image):
liver = [sm.VTKSurfaceModel('tests/data/models/Liver/liver.vtk', (1.0, 1.0, 1.0))]
tumors = [sm.VTKSurfaceModel('tests/data/models/Liver/liver_tumours.vtk', (1.0, 1.0, 1.0))]
_image, widget, _vtk_std_err, _pyside_qt_app = vtk_overlay_with_gradient_image
widget.add_vtk_models(liver, 4)
overlay_actors = widget.get_overlay_renderer().GetActors()
assert overlay_actors.GetNumberOfItems() == 1
widget.add_vtk_models(tumors, 4)
overlay_actors = widget.get_overlay_renderer().GetActors()
assert overlay_actors.GetNumberOfItems() == 2
# Check foreground is empty
foreground_actors = widget.get_foreground_renderer().GetActors()
assert foreground_actors.GetNumberOfItems() == 0
widget.close()