File: otbDrawPathFilter.cxx

package info (click to toggle)
otb 6.6.1%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 47,068 kB
  • sloc: cpp: 316,755; ansic: 4,474; sh: 1,610; python: 497; perl: 92; makefile: 82; java: 72
file content (94 lines) | stat: -rw-r--r-- 2,936 bytes parent folder | download
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
/*
 * Copyright (C) 2005-2017 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;
}