File: 3dtransform.cc

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2014 Gert Wollny
 *
 * MIA is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */


#define VSTREAM_DOMAIN "mia-3dtransform"
#include <mia/core/cmdlineparser.hh>
#include <mia/3d/transformio.hh>
#include <mia/3d/imageio.hh>


NS_MIA_USE
using namespace std;

const SProgramDescription g_description = {
	{pdi_group,
	 "Registration, Comparison, and Transformation of 3D images"}, 
	 
	 {pdi_short,
	  "Transform a 3D image."}, 

	  {pdi_description,
	   "Transform a 3D image by applying a given 3D transformation."}, 
	
	   {pdi_example_descr,
	    "Transform an image input.v by the transfromation stored in trans.v "
	    "by using nearest neighbour interpolation ans store the result in output.v"},
	
	{pdi_example_code,
	 "-i input.v -t trans.v  -o output.v  -p bspline:d=0"}
}; 

int do_main(int argc, char **argv)
{
	CCmdOptionList options(g_description);

	string src_filename;
	string out_filename;
	string trans_filename;
	string interpolator_kernel;
	string interpolator_bc("mirror"); 
	
	const auto& imageio = C3DImageIOPluginHandler::instance();
	const auto& transio = C3DTransformationIOPluginHandler::instance(); 

	options.add(make_opt( src_filename, "in-file", 'i', "input image", CCmdOptionFlags::required_input, &imageio));
	options.add(make_opt( out_filename, "out-file", 'o', "transformed image", CCmdOptionFlags::required_output, &imageio));
	options.add(make_opt( trans_filename, "transformation", 't', "transformation file", CCmdOptionFlags::required_input, &transio));
	options.add(make_opt( interpolator_kernel, "interpolator", 'p', 
			      "override the interpolator provided by the transformation"));
	options.add(make_opt( interpolator_bc, "boundary", 'b', "override the boundary conditions provided "
			      "by the transformation. This is only used if the interpolator is also overridden."));



	if (options.parse(argc, argv) != CCmdOptionList::hr_no)
		return EXIT_SUCCESS; 


	auto transformation = transio.load(trans_filename);
	auto source = imageio.load(src_filename);

	if (!source || source->size() < 1)
		throw create_exception<runtime_error>("No image found in '", src_filename, ",");

	if (!transformation) {
		throw create_exception<runtime_error>("No transformation found in '", trans_filename, "'");
	}

	if (!interpolator_kernel.empty()) { 
		cvdebug() << "override the interpolator by '" 
			  << interpolator_kernel << "' and boundary conditions '" 
			  << interpolator_bc << "'\n"; 
		C3DInterpolatorFactory ipf(interpolator_kernel, interpolator_bc);
		transformation->set_interpolator_factory(ipf); 
	}
	
	for (auto i = source->begin(); i != source->end(); ++i)
		*i = (*transformation)(**i);
	
	if ( !imageio.save(out_filename, *source) )
		throw create_exception<runtime_error>("unable to save result to '", out_filename, "'");
	
	return EXIT_SUCCESS;
}

#include <mia/internal/main.hh>
MIA_MAIN(do_main)