1 | // ----------------------------------------------------------------------- |
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2 | // ObjectGrower.hh: Implementation of the object growing functions |
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3 | // ----------------------------------------------------------------------- |
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4 | // Copyright (C) 2006, Matthew Whiting, ATNF |
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5 | // |
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6 | // This program is free software; you can redistribute it and/or modify it |
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7 | // under the terms of the GNU General Public License as published by the |
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8 | // Free Software Foundation; either version 2 of the License, or (at your |
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9 | // option) any later version. |
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10 | // |
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11 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
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12 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 | // for more details. |
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15 | // |
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16 | // You should have received a copy of the GNU General Public License |
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17 | // along with Duchamp; if not, write to the Free Software Foundation, |
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18 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
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19 | // |
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20 | // Correspondence concerning Duchamp may be directed to: |
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21 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
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22 | // Postal address: Dr. Matthew Whiting |
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23 | // Australia Telescope National Facility, CSIRO |
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24 | // PO Box 76 |
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25 | // Epping NSW 1710 |
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26 | // AUSTRALIA |
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27 | // ----------------------------------------------------------------------- |
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28 | #ifndef OBJECT_GROWER_H |
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29 | #define OBJECT_GROWER_H |
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30 | |
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31 | #include <iostream> |
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32 | #include <duchamp/duchamp.hh> |
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33 | #include <duchamp/Detection/detection.hh> |
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34 | #include <duchamp/Cubes/cubes.hh> |
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35 | #include <duchamp/Utils/Statistics.hh> |
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36 | |
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37 | namespace duchamp { |
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38 | |
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39 | /// @brief Flags defining the state of each pixel |
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40 | enum STATE {AVAILABLE, DETECTED, BLANK, FLAG, NEW}; |
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41 | |
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42 | /// @brief A class to manage the growing of objects to a secondary |
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43 | /// threshold |
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44 | /// @details This class provides a mechanism for handling the |
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45 | /// growing of objects. By keeping track of the state of each pixel, |
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46 | /// through an array of flags indicating whether a pixel is |
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47 | /// available or in an object, it is able to efficiently grow the |
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48 | /// objects from pixels on the edge, rather than spending time |
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49 | /// examining pixels that are completely surrounded by other object |
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50 | /// pixels. |
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51 | class ObjectGrower |
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52 | { |
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53 | public: |
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54 | /// @brief Default constructor |
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55 | ObjectGrower(); |
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56 | /// @brief Destrctor |
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57 | virtual ~ObjectGrower(){}; |
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58 | /// @brief Copy constructor |
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59 | ObjectGrower(ObjectGrower &o); |
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60 | /// @brief Copy operator |
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61 | ObjectGrower& operator=(const ObjectGrower &o); |
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62 | |
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63 | /// @brief Set up the class with parameters & pointers from the cube |
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64 | void define(Cube *theCube); |
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65 | /// @brief Update a Cube's detectMap based on the flag array |
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66 | void updateDetectMap(short *map); |
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67 | /// @brief Grow an object |
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68 | virtual void grow(Detection *theObject); |
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69 | /// @brief Grow out from a single voxel, returning the list of new voxels. |
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70 | std::vector<Voxel> growFromPixel(Voxel &vox); |
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71 | |
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72 | protected: |
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73 | std::vector<STATE> itsFlagArray; ///< The array of pixel flags |
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74 | std::vector<size_t> itsArrayDim; ///< The dimensions of the array |
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75 | Statistics::StatsContainer<float> itsGrowthStats; ///< The statistics used to determine membership of an object |
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76 | int itsSpatialThresh; ///< The spatial threshold for merging |
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77 | int itsVelocityThresh; ///< The spectral threshold for merging |
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78 | float* itsFluxArray; ///< The location of the pixel values |
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79 | }; |
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80 | |
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81 | } |
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82 | |
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83 | |
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84 | #endif |
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