SourceXtractorPlusPlus  0.15
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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  auto coord1 = measurement_frame_coordinates->worldToImage(detection_frame_coordinates->imageToWorld(ImageCoordinate(
48  stamp_top_left.m_x, stamp_top_left.m_y)));
49  auto coord2 = measurement_frame_coordinates->worldToImage(detection_frame_coordinates->imageToWorld(ImageCoordinate(
50  stamp_top_left.m_x + width, stamp_top_left.m_y)));
51  auto coord3 = measurement_frame_coordinates->worldToImage(detection_frame_coordinates->imageToWorld(ImageCoordinate(
52  stamp_top_left.m_x + width, stamp_top_left.m_y + height)));
53  auto coord4 = measurement_frame_coordinates->worldToImage(detection_frame_coordinates->imageToWorld(ImageCoordinate(
54  stamp_top_left.m_x, stamp_top_left.m_y + height)));
55 
56  // Determine the min/max coordinates
57  auto min_x = std::min(coord1.m_x, std::min(coord2.m_x, std::min(coord3.m_x, coord4.m_x)));
58  auto min_y = std::min(coord1.m_y, std::min(coord2.m_y, std::min(coord3.m_y, coord4.m_y)));
59  auto max_x = std::max(coord1.m_x, std::max(coord2.m_x, std::max(coord3.m_x, coord4.m_x)));
60  auto max_y = std::max(coord1.m_y, std::max(coord2.m_y, std::max(coord3.m_y, coord4.m_y)));
61 
62  PixelCoordinate min_coord, max_coord;
63  min_coord.m_x = int(min_x);
64  min_coord.m_y = int(min_y);
65  max_coord.m_x = int(max_x) + 1;
66  max_coord.m_y = int(max_y) + 1;
67 
68  // The full boundaries may lie outside of the frame
69  if (max_coord.m_x < 0 || max_coord.m_y < 0 ||
70  min_coord.m_x >= measurement_frame_info.getWidth() || min_coord.m_y >= measurement_frame_info.getHeight()) {
72  }
73  // Clip the coordinates to fit the available image
74  else {
75  min_coord.m_x = std::max(0, min_coord.m_x);
76  min_coord.m_y = std::max(0, min_coord.m_y);
77  max_coord.m_x = std::min(measurement_frame_info.getWidth() - 1, max_coord.m_x);
78  max_coord.m_y = std::min(measurement_frame_info.getHeight() - 1, max_coord.m_y);
79 
80  group.setIndexedProperty<MeasurementFrameGroupRectangle>(m_instance, min_coord, max_coord);
81  }
82 }
83 
84 } // SEImplementation namespace
85 
const PropertyType & getProperty(unsigned int index=0) const
Convenience template method to call getProperty() with a more user-friendly syntax.
void setIndexedProperty(std::size_t index, Args...args)
Convenience template method to call setProperty() with a more user-friendly syntax.
T min(T...args)
T max(T...args)
A pixel coordinate made of two integers m_x and m_y.
Defines the interface used to group sources.
virtual void computeProperties(SourceGroupInterface &group) const override
Computes one or more properties for the SourceGroup and/or the Sources it contains.