1 | // ----------------------------------------------------------------------- |
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2 | // invertCube.cc: Multiply the flux of a Cube by -1. |
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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 | #include <duchamp/Cubes/cubes.hh> |
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29 | #include <duchamp/Detection/detection.hh> |
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30 | |
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31 | namespace duchamp |
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32 | { |
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33 | |
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34 | void Cube::invert() |
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35 | { |
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36 | /** |
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37 | * A function that multiplies all non-Blank pixels by -1. |
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38 | * This is used when searching for negative features. |
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39 | */ |
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40 | for(int i=0; i<this->numPixels; i++) |
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41 | if(!this->isBlank(i)){ |
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42 | this->array[i] *= -1.; |
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43 | if(this->reconExists) this->recon[i] *= -1.; |
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44 | } |
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45 | } |
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46 | |
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47 | void Cube::reInvert() |
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48 | { |
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49 | /** |
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50 | * A function that switches the array back to the original sign. |
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51 | * This is used when searching for negative features. |
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52 | */ |
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53 | for(int i=0; i<this->numPixels; i++){ |
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54 | if(!this->isBlank(i)){ |
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55 | this->array[i] *= -1.; |
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56 | if(this->reconExists) this->recon[i] *= -1.; |
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57 | } |
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58 | } |
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59 | |
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60 | for(int i=0; i<this->objectList->size(); i++){ |
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61 | this->objectList->at(i).setNegative(true); |
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62 | this->objectList->at(i).setTotalFlux(-1. * this->objectList->at(i).getTotalFlux() ); |
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63 | this->objectList->at(i).setIntegFlux(-1. * this->objectList->at(i).getIntegFlux() ); |
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64 | this->objectList->at(i).setPeakFlux(-1. * this->objectList->at(i).getPeakFlux() ); |
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65 | } |
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66 | |
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67 | } |
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68 | |
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69 | } |
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