[299] | 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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[393] | 28 | #include <duchamp/Cubes/cubes.hh> |
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| 29 | #include <duchamp/Detection/detection.hh> |
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[60] | 30 | |
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[378] | 31 | namespace duchamp |
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[60] | 32 | { |
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[378] | 33 | |
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| 34 | void Cube::invert() |
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| 35 | { |
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[780] | 36 | /// @details A function that multiplies all non-Blank pixels by |
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| 37 | /// -1. This is used when searching for negative features. This |
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| 38 | /// only has an effect when the main array has been allocated. |
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[528] | 39 | |
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[780] | 40 | if(this->arrayAllocated){ |
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[894] | 41 | for(size_t i=0; i<this->numPixels; i++) |
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[780] | 42 | if(!this->isBlank(i)){ |
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| 43 | this->array[i] *= -1.; |
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| 44 | if(this->reconExists) this->recon[i] *= -1.; |
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| 45 | } |
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| 46 | } |
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| 47 | |
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[378] | 48 | } |
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| 49 | |
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| 50 | void Cube::reInvert() |
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| 51 | { |
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[780] | 52 | /// @details A function that switches the array back to the |
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| 53 | /// original sign by calling Cube::invert(). It also inverts the |
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| 54 | /// fluxes in all the detected objects. This is used when |
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| 55 | /// searching for negative features. |
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| 56 | |
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| 57 | this->invert(); |
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[528] | 58 | |
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[623] | 59 | std::vector<Detection>::iterator obj; |
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| 60 | for(obj=this->objectList->begin(); obj<this->objectList->end(); obj++){ |
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| 61 | obj->setNegative(true); |
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| 62 | obj->setTotalFlux(-1. * obj->getTotalFlux() ); |
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| 63 | obj->setIntegFlux(-1. * obj->getIntegFlux() ); |
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| 64 | obj->setPeakFlux(-1. * obj->getPeakFlux() ); |
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[61] | 65 | } |
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[60] | 66 | |
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| 67 | } |
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| 68 | |
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| 69 | } |
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