SourceXtractorPlusPlus  0.16
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MeasurementFrameGroupRectangleTask.cpp
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1 
17 /*
18  * MeasurementFrameGroupRectangleTask.cpp
19  *
20  * Created on: Sep 5, 2018
21  * Author: Alejandro Alvarez Ayllon
22  */
23 
28 
31 
32 namespace SourceXtractor {
33 
35  auto& detection_group_stamp = group.getProperty<DetectionFrameGroupStamp>();
36  auto detection_frame_coordinates = group.begin()->getProperty<DetectionFrameCoordinates>().getCoordinateSystem();
37  auto measurement_frame_coordinates = group.begin()->getProperty<MeasurementFrameCoordinates>(m_instance).getCoordinateSystem();
38 
39  const auto& measurement_frame_info = group.begin()->getProperty<MeasurementFrameInfo>(m_instance);
40 
41  // Get the coordinates of the detection frame group stamp
42  auto stamp_top_left = detection_group_stamp.getTopLeft();
43  auto width = detection_group_stamp.getStamp().getWidth();
44  auto height = detection_group_stamp.getStamp().getHeight();
45 
46  // Transform the 4 corner coordinates from detection image
47  ImageCoordinate coord1, coord2, coord3, coord4;
48  bool bad_coordinates = false;
49 
50  try {
51  coord1 = measurement_frame_coordinates->worldToImage(
52  detection_frame_coordinates->imageToWorld(ImageCoordinate(stamp_top_left.m_x, stamp_top_left.m_y)));
53  coord2 = measurement_frame_coordinates->worldToImage(
54  detection_frame_coordinates->imageToWorld(ImageCoordinate(stamp_top_left.m_x + width, stamp_top_left.m_y)));
55  coord3 = measurement_frame_coordinates->worldToImage(
56  detection_frame_coordinates->imageToWorld(ImageCoordinate(stamp_top_left.m_x + width, stamp_top_left.m_y + height)));
57  coord4 = measurement_frame_coordinates->worldToImage(
58  detection_frame_coordinates->imageToWorld(ImageCoordinate(stamp_top_left.m_x, stamp_top_left.m_y + height)));
59  }
60  catch (const InvalidCoordinatesException&) {
61  bad_coordinates = true;
62  }
63 
64  // Determine the min/max coordinates
65  auto min_x = std::min(coord1.m_x, std::min(coord2.m_x, std::min(coord3.m_x, coord4.m_x)));
66  auto min_y = std::min(coord1.m_y, std::min(coord2.m_y, std::min(coord3.m_y, coord4.m_y)));
67  auto max_x = std::max(coord1.m_x, std::max(coord2.m_x, std::max(coord3.m_x, coord4.m_x)));
68  auto max_y = std::max(coord1.m_y, std::max(coord2.m_y, std::max(coord3.m_y, coord4.m_y)));
69 
70  PixelCoordinate min_coord, max_coord;
71  min_coord.m_x = int(min_x);
72  min_coord.m_y = int(min_y);
73  max_coord.m_x = int(max_x) + 1;
74  max_coord.m_y = int(max_y) + 1;
75 
76  // The full boundaries may lie outside of the frame
77  // Or maybe there was a projection issue, so skip the frame for that source
78  if (bad_coordinates || max_coord.m_x < 0 || max_coord.m_y < 0 || min_coord.m_x >= measurement_frame_info.getWidth() ||
79  min_coord.m_y >= measurement_frame_info.getHeight()) {
81  }
82  // Clip the coordinates to fit the available image
83  else {
84  min_coord.m_x = std::max(0, min_coord.m_x);
85  min_coord.m_y = std::max(0, min_coord.m_y);
86  max_coord.m_x = std::min(measurement_frame_info.getWidth() - 1, max_coord.m_x);
87  max_coord.m_y = std::min(measurement_frame_info.getHeight() - 1, max_coord.m_y);
88 
89  group.setIndexedProperty<MeasurementFrameGroupRectangle>(m_instance, min_coord, max_coord);
90  }
91 }
92 
93 } // SEImplementation namespace
94 
virtual void computeProperties(SourceGroupInterface &group) const override
Computes one or more properties for the SourceGroup and/or the Sources it contains.
Defines the interface used to group sources.
void setIndexedProperty(std::size_t index, Args... args)
Convenience template method to call setProperty() with a more user-friendly syntax.
const PropertyType & getProperty(unsigned int index=0) const
Convenience template method to call getProperty() with a more user-friendly syntax.
T max(T... args)
T min(T... args)
A pixel coordinate made of two integers m_x and m_y.