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
|
/*****************************************************************************
* $CAMITK_LICENCE_BEGIN$
*
* CamiTK - Computer Assisted Medical Intervention ToolKit
* (c) 2001-2025 Univ. Grenoble Alpes, CNRS, Grenoble INP - UGA, TIMC, 38000 Grenoble, France
*
* Visit http://camitk.imag.fr for more information
*
* This file is part of CamiTK.
*
* CamiTK is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* CamiTK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with CamiTK. If not, see <http://www.gnu.org/licenses/>.
*
* $CAMITK_LICENCE_END$
****************************************************************************/
// -- Core stuff
#include <ExtensionManager.h>
#include <QApplication>
#include <Core.h>
#include <Application.h>
#include <Action.h>
#include <ImageComponent.h>
#include <Log.h>
using namespace camitk;
int main(int argc, char* argv[]) {
// Example of a non-gui program that
// - open a MHA image file
// - resample it to half its size using the "Resample" action
// - save the resampled image in the current working directory
//
// note: it still requires a graphics renderer even if nothing is displayed
// even if no event loop are started.
//
Log::getLogger()->setLogLevel(InterfaceLogger::INFO);
Application app("nogui", argc, argv);
// open an image volume
ComponentExtension* cp = ExtensionManager::getComponentExtension("mha");
Component* image = cp->open(QFileInfo(Core::getTestDataDir() + "/brain.mha").absoluteFilePath());
// get the Resample action
Action* resampleAction = Application::getAction("Resample");
if (resampleAction != nullptr) {
CAMITK_INFO_ALT(QString("Applying action: %1").arg(resampleAction->getName()))
// set the input
resampleAction->setInputComponent(image);
//app.getMainWindow()->setCentralWidget(resampleAction->getWidget());
//app.exec();
// set the parameter
ImageComponent* inputImage = dynamic_cast<ImageComponent*>(image);
// Note: as the Resample action takes ImageComponent as inputs, the dynamic_cast is
// guaranty to work perfectly well.
int* dims = inputImage->getImageData()->GetDimensions();
double factor = 0.5;
resampleAction->setParameterValue("New Image X Dimension", int(dims[0]*factor));
resampleAction->setParameterValue("New Image Y Dimension", int(dims[1]*factor));
resampleAction->setParameterValue("New Image Z Dimension", std::max(1, int(dims[2]*factor)));
// apply the action
if (resampleAction->applyInPipeline() != Action::SUCCESS) {
CAMITK_WARNING_ALT("Error while applying the Resample action");
return EXIT_FAILURE;
}
// get the last instantiated top level component, i.e., the result of the resampleAction
Component* resampled = Application::getTopLevelComponents().last();
// save the resampled image into the current directory
QString outputFileName = QDir::currentPath() + "/" + QFileInfo(image->getFileName()).completeBaseName() + "-output." + QFileInfo(image->getFileName()).suffix();
resampled->setFileName(outputFileName);
if (Application::save(resampled)) {
CAMITK_INFO_ALT(QString("Resampled image succesfully saved to %1").arg(resampled->getFileName()))
return EXIT_SUCCESS;
}
else {
CAMITK_WARNING_ALT("Error while saving the resampled image");
return EXIT_FAILURE;
}
}
else {
CAMITK_WARNING_ALT("Cannot find Action \"Resample\". Please make sure the \"ResampleExtension\" is present in your action extension installation path.")
return EXIT_FAILURE;
}
}
|
