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/*
* Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "itkMacro.h"
#include "otbDrawPathFilter.h"
#include "otbImageFileWriter.h"
#include "otbImage.h"
#include "itkPolyLineParametricPath.h"
int otbDrawPathFilter(int argc, char* argv[])
{
if (argc != 5)
{
std::cout << "Usgage: " << argv[0] << " sizex sizey nbpoints outfname" << std::endl;
return EXIT_SUCCESS;
}
const unsigned int sizex = atoi(argv[1]);
const unsigned int sizey = atoi(argv[2]);
const unsigned int nbpoints = atoi(argv[3]);
const char* outfname = argv[4];
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
typedef otb::Image<PixelType, Dimension> ImageType;
typedef itk::PolyLineParametricPath<Dimension> PathType;
typedef PathType::VertexType VertexType;
typedef otb::DrawPathFilter<ImageType, PathType, ImageType> DrawPathFilterType;
typedef otb::ImageFileWriter<ImageType> WriterType;
ImageType::SizeType size;
size[0] = sizex;
size[1] = sizey;
ImageType::IndexType index;
index.Fill(0);
ImageType::RegionType region;
region.SetSize(size);
region.SetIndex(index);
ImageType::Pointer image = ImageType::New();
image->SetRegions(region);
image->Allocate();
image->FillBuffer(0);
PathType::Pointer path = PathType::New();
for (unsigned int i = 1; i < nbpoints; ++i)
{
VertexType vertex1, vertex2;
vertex1[0] = 0;
vertex1[1] = i * sizey / nbpoints;
vertex2[0] = i * sizex / nbpoints;
vertex2[1] = 0;
path->AddVertex(vertex1);
path->AddVertex(vertex2);
}
for (unsigned int i = 1; i < nbpoints; ++i)
{
VertexType vertex1, vertex2;
vertex1[0] = i * sizex / nbpoints;
vertex1[1] = sizey - 1;
vertex2[0] = sizex - 1;
vertex2[1] = i * sizey / nbpoints;
path->AddVertex(vertex1);
path->AddVertex(vertex2);
}
DrawPathFilterType::Pointer filter = DrawPathFilterType::New();
filter->SetImageInput(image);
filter->SetInputPath(path);
WriterType::Pointer writer = WriterType::New();
writer->SetInput(filter->GetOutput());
writer->SetFileName(outfname);
writer->Update();
return EXIT_SUCCESS;
}
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