[299] | 1 | // ----------------------------------------------------------------------- |
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| 2 | // trimImage.cc: Trim a Cube of BLANKs around the spatial edge. |
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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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[3] | 28 | #include <iostream> |
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[393] | 29 | #include <duchamp/param.hh> |
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| 30 | #include <duchamp/Cubes/cubes.hh> |
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| 31 | #include <duchamp/PixelMap/Object3D.hh> |
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[3] | 32 | |
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[258] | 33 | using namespace PixelInfo; |
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| 34 | |
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[378] | 35 | namespace duchamp |
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[3] | 36 | { |
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[86] | 37 | |
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[378] | 38 | void Cube::trimCube() |
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| 39 | { |
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[528] | 40 | /// @details |
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| 41 | /// If the blankPix flag has been set, this routine trims excess blank |
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| 42 | /// pixels from the edges of the spatial image. |
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| 43 | /// It uses as its template the first channel, assuming that its non-BLANK |
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| 44 | /// size is representative of the rest of the channels. |
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| 45 | /// The edges are moved in until the first non-BLANK pixel is encountered. |
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| 46 | /// All other arrays are similarly edited, and the amount of trimming is |
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| 47 | /// recorded. |
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[3] | 48 | |
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[378] | 49 | // if(this->par.getFlagBlankPix()) { |
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| 50 | if(this->par.getFlagTrim()) { |
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[3] | 51 | |
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[935] | 52 | size_t xdim = this->axisDim[0]; |
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| 53 | size_t ydim = this->axisDim[1]; |
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| 54 | size_t zdim = this->axisDim[2]; |
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| 55 | const size_t ZCHAN = 0; |
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[258] | 56 | |
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[935] | 57 | size_t left,right,top,bottom; |
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[3] | 58 | |
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[935] | 59 | for(size_t z = 0; z < zdim; z++){ |
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[3] | 60 | |
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[935] | 61 | for(size_t row=0;row<ydim;row++){ |
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[378] | 62 | left=0; |
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| 63 | right=0; |
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| 64 | while((left<xdim)&& |
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| 65 | (this->par.isBlank(this->array[row*xdim+left+ZCHAN*xdim*ydim])) ) { |
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| 66 | left++; |
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| 67 | } |
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| 68 | while((right<xdim)&& |
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| 69 | (this->par.isBlank(this->array[row*xdim+(xdim-1-right)+ZCHAN*xdim*ydim]))){ |
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| 70 | right++; |
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| 71 | } |
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[3] | 72 | |
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[378] | 73 | if( ((z==0)&&(row==0)) || (left < this->par.getBorderLeft()) ) |
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| 74 | this->par.setBorderLeft(left); |
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| 75 | if( ((z==0)&&(row==0)) || (right < this->par.getBorderRight()) ) |
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| 76 | this->par.setBorderRight(right); |
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| 77 | |
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| 78 | } |
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[3] | 79 | |
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[935] | 80 | for(size_t col=0;col<xdim;col++){ |
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[378] | 81 | bottom=0; |
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| 82 | top=0; |
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| 83 | while((bottom<ydim)&& |
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| 84 | (this->par.isBlank(this->array[col+bottom*xdim+ZCHAN*xdim*ydim])) ) bottom++; |
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[3] | 85 | |
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[378] | 86 | while((top<ydim)&& |
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| 87 | (this->par.isBlank(this->array[col+(ydim-1-top)*xdim+ZCHAN*xdim*ydim])) ) top++; |
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[3] | 88 | |
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[378] | 89 | if( ((z==0)&&(col==0)) || (bottom < this->par.getBorderBottom()) ) |
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| 90 | this->par.setBorderBottom(bottom); |
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| 91 | if( ((z==0)&&(col==0)) || (top < this->par.getBorderTop()) ) |
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| 92 | this->par.setBorderTop(top); |
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[3] | 93 | |
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[378] | 94 | } |
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| 95 | |
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[3] | 96 | } |
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| 97 | |
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[378] | 98 | left = this->par.getBorderLeft(); |
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| 99 | right = this->par.getBorderRight(); |
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| 100 | top = this->par.getBorderTop(); |
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| 101 | bottom = this->par.getBorderBottom(); |
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[258] | 102 | |
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[3] | 103 | |
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[935] | 104 | size_t oldpos,newpos; |
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[3] | 105 | |
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[378] | 106 | // Do the trimming, but only if we need to -- is there a border of Blanks? |
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[1392] | 107 | if(((left>0)||(right>0)||(bottom>0)||(top>0)) && (right>left) && (top>bottom)) { |
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[3] | 108 | |
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[1392] | 109 | this->axisDim[0] = xdim - left - right; |
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| 110 | this->axisDim[1] = ydim - bottom - top; |
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| 111 | this->axisDim[2] = zdim; |
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| 112 | this->numPixels = this->axisDim[0]*this->axisDim[1]*this->axisDim[2]; |
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| 113 | |
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[378] | 114 | // Trim the array of pixel values |
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[256] | 115 | float *newarray = new float[this->numPixels]; |
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[894] | 116 | for(size_t x = 0; x < axisDim[0]; x++){ |
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| 117 | for(size_t y = 0; y < axisDim[1]; y++){ |
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| 118 | for(size_t z = 0; z < axisDim[2]; z++){ |
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[285] | 119 | oldpos = (x+left) + (y+bottom)*xdim + z*xdim*ydim; |
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| 120 | newpos = x + y*this->axisDim[0] + |
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| 121 | z*this->axisDim[0]*this->axisDim[1]; |
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[378] | 122 | newarray[newpos] = this->array[oldpos]; |
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[256] | 123 | } |
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| 124 | } |
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| 125 | } |
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[378] | 126 | delete [] this->array; |
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| 127 | this->array = newarray; |
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[256] | 128 | |
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[378] | 129 | // Trim the array of baseline values |
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| 130 | if(this->par.getFlagBaseline()){ |
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| 131 | float *newarray = new float[this->numPixels]; |
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[894] | 132 | for(size_t x = 0; x < axisDim[0]; x++){ |
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| 133 | for(size_t y = 0; y < axisDim[1]; y++){ |
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| 134 | for(size_t z = 0; z < axisDim[2]; z++){ |
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[378] | 135 | oldpos = (x+left) + (y+bottom)*xdim + z*xdim*ydim; |
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| 136 | newpos = x + y*this->axisDim[0] + |
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| 137 | z*this->axisDim[0]*this->axisDim[1]; |
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| 138 | newarray[newpos] = this->baseline[oldpos]; |
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| 139 | } |
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| 140 | } |
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| 141 | } |
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| 142 | delete [] this->baseline; |
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| 143 | this->baseline = newarray; |
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[3] | 144 | } |
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| 145 | |
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[378] | 146 | // Trim the 2-D detection map |
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| 147 | short *newdetect = new short[this->axisDim[0]*this->axisDim[1]]; |
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[894] | 148 | for(size_t x = 0; x < axisDim[0]; x++){ |
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| 149 | for(size_t y = 0; y < axisDim[1]; y++){ |
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[378] | 150 | oldpos = (x+left) + (y+bottom)*xdim; |
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| 151 | newpos = x + y*this->axisDim[0]; |
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| 152 | newdetect[newpos] = this->detectMap[oldpos]; |
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| 153 | } |
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| 154 | } |
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| 155 | delete [] this->detectMap; |
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| 156 | this->detectMap = newdetect; |
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| 157 | |
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| 158 | if(this->par.getFlagATrous() || this->par.getFlagSmooth()){ |
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| 159 | // Trim the reconstructed array if we are going to do the |
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| 160 | // reconstruction or smooth the array |
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| 161 | float *newrecon = new float[this->numPixels]; |
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[894] | 162 | for(size_t x = 0; x < axisDim[0]; x++){ |
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| 163 | for(size_t y = 0; y < axisDim[1]; y++){ |
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| 164 | for(size_t z = 0; z < axisDim[2]; z++){ |
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[378] | 165 | oldpos = (x+left) + (y+bottom)*xdim + z*xdim*ydim; |
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| 166 | newpos = x + y*this->axisDim[0] + |
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| 167 | z*this->axisDim[0]*this->axisDim[1]; |
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| 168 | newrecon[newpos] = this->recon[oldpos]; |
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| 169 | } |
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[3] | 170 | } |
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| 171 | } |
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[378] | 172 | delete [] this->recon; |
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| 173 | this->recon = newrecon; |
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[3] | 174 | } |
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[378] | 175 | |
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| 176 | // Set the flag indicating trimming has taken place only if it has. |
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| 177 | this->par.setFlagCubeTrimmed(true); |
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| 178 | |
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[3] | 179 | } |
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| 180 | |
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| 181 | } |
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| 182 | |
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| 183 | } |
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| 184 | |
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| 185 | |
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[378] | 186 | void Cube::unTrimCube() |
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| 187 | { |
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[528] | 188 | /// @details |
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| 189 | /// If the cube has been trimmed by trimCube(), this task adds back the |
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| 190 | /// BLANK pixels on the edges, so that it returns to its original size. |
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| 191 | /// All arrays are similarly edited. |
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[3] | 192 | |
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[378] | 193 | if(this->par.getFlagCubeTrimmed()){ |
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[3] | 194 | |
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[935] | 195 | size_t left = this->par.getBorderLeft(); |
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| 196 | size_t right = this->par.getBorderRight(); |
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| 197 | size_t top = this->par.getBorderTop(); |
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| 198 | size_t bottom = this->par.getBorderBottom(); |
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[3] | 199 | |
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[935] | 200 | size_t smallXDim = this->axisDim[0]; |
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| 201 | size_t smallYDim = this->axisDim[1]; |
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| 202 | size_t smallZDim = this->axisDim[2]; |
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[258] | 203 | |
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[378] | 204 | // first correct the dimension sizes |
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| 205 | this->axisDim[0] = smallXDim + left + right; |
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| 206 | this->axisDim[1] = smallYDim + bottom + top; |
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| 207 | this->axisDim[2] = smallZDim; |
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| 208 | this->numPixels = this->axisDim[0]*this->axisDim[1]*this->axisDim[2]; |
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[3] | 209 | |
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[894] | 210 | size_t pos,smlpos; |
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[378] | 211 | bool isDud; |
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[3] | 212 | |
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[378] | 213 | // Correct the array of pixel values |
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| 214 | float *newarray = new float[this->numPixels]; |
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[894] | 215 | for(size_t x = 0; x < this->axisDim[0]; x++){ |
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| 216 | for(size_t y = 0; y < this->axisDim[1]; y++){ |
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[258] | 217 | isDud = (x<left) || (x>=smallXDim+left) || |
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| 218 | (y<bottom) || (y>=smallYDim+bottom); |
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[378] | 219 | |
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[894] | 220 | for(size_t z = 0; z < this->axisDim[2]; z++){ |
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[3] | 221 | pos = x + y*this->axisDim[0] + z*this->axisDim[0]*this->axisDim[1]; |
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[378] | 222 | smlpos = (x-left) + (y-bottom)*smallXDim + z * smallXDim * smallYDim; |
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| 223 | if(isDud) newarray[pos] = this->par.getBlankPixVal(); |
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| 224 | else newarray[pos] = this->array[smlpos]; |
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[3] | 225 | } |
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| 226 | } |
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| 227 | } |
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[378] | 228 | delete [] this->array; |
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| 229 | this->array = newarray; |
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[3] | 230 | |
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[378] | 231 | if(this->reconExists){ |
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| 232 | // Correct the reconstructed/smoothed array |
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| 233 | float *newrecon = new float[this->numPixels]; |
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[894] | 234 | for(size_t x = 0; x < this->axisDim[0]; x++){ |
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| 235 | for(size_t y = 0; y < this->axisDim[1]; y++){ |
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[378] | 236 | isDud = (x<left) || (x>=smallXDim+left) || |
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| 237 | (y<bottom) || (y>=smallYDim+bottom); |
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| 238 | |
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[894] | 239 | for(size_t z = 0; z < this->axisDim[2]; z++){ |
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[378] | 240 | pos = x + y*this->axisDim[0] + z*this->axisDim[0]*this->axisDim[1]; |
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| 241 | smlpos = (x-left) + (y-bottom)*smallXDim |
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| 242 | + z * smallXDim * smallYDim; |
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| 243 | if(isDud) newrecon[pos] = this->par.getBlankPixVal(); |
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| 244 | else newrecon[pos] = this->recon[smlpos]; |
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| 245 | } |
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| 246 | } |
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| 247 | } |
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| 248 | delete [] this->recon; |
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| 249 | this->recon = newrecon; |
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| 250 | } |
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| 251 | |
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| 252 | // Correct the array of baseline values |
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| 253 | if(this->par.getFlagBaseline()){ |
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| 254 | float *newbase = new float[this->numPixels]; |
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[894] | 255 | for(size_t x = 0; x < this->axisDim[0]; x++){ |
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| 256 | for(size_t y = 0; y < this->axisDim[1]; y++){ |
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[378] | 257 | isDud = (x<left) || (x>=smallXDim+left) || |
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| 258 | (y<bottom) || (y>=smallYDim+bottom); |
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| 259 | |
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[894] | 260 | for(size_t z = 0; z < this->axisDim[2]; z++){ |
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[378] | 261 | pos = x + y*this->axisDim[0] + z*this->axisDim[0]*this->axisDim[1]; |
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| 262 | smlpos = (x-left) + (y-bottom)*smallXDim + z*smallXDim*smallYDim; |
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| 263 | if(isDud) newbase[pos] = this->par.getBlankPixVal(); |
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| 264 | else newbase[pos] = this->baseline[smlpos]; |
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| 265 | } |
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| 266 | } |
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| 267 | } |
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| 268 | delete [] this->baseline; |
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| 269 | this->baseline = newbase; |
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| 270 | } |
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| 271 | |
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| 272 | // Correct the 2-D detection map |
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| 273 | short *newdetect = new short[this->axisDim[0]*this->axisDim[1]]; |
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[894] | 274 | for(size_t x = 0; x < this->axisDim[0]; x++){ |
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| 275 | for(size_t y = 0; y < this->axisDim[1]; y++){ |
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[378] | 276 | pos = x + y*this->axisDim[0]; |
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| 277 | smlpos = (x-left) + (y-bottom)*smallXDim; |
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[269] | 278 | isDud = (x<left) || (x>=smallXDim+left) || |
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| 279 | (y<bottom) || (y>=smallYDim+bottom); |
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[378] | 280 | if(isDud) newdetect[pos]=0; |
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| 281 | else newdetect[pos] = this->detectMap[smlpos]; |
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[269] | 282 | } |
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| 283 | } |
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[378] | 284 | delete [] this->detectMap; |
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| 285 | this->detectMap = newdetect; |
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[269] | 286 | |
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[378] | 287 | |
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| 288 | // Now update the positions for all the detections |
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| 289 | |
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[623] | 290 | std::vector<Detection>::iterator obj; |
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| 291 | for(obj=this->objectList->begin();obj<this->objectList->end();obj++){ |
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| 292 | obj->addOffsets(left,bottom,0); |
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[3] | 293 | } |
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| 294 | |
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| 295 | } |
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| 296 | |
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| 297 | } |
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| 298 | |
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| 299 | } |
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