[3] | 1 | #include <iostream> |
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| 2 | #include <iomanip> |
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| 3 | #include <sstream> |
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| 4 | #include <math.h> |
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| 5 | #include <cpgplot.h> |
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| 6 | #include <cpgsbox.h> |
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| 7 | #include <pgwcsl.h> |
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| 8 | #include <wcs.h> |
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[90] | 9 | #include <param.hh> |
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[3] | 10 | #include <Utils/utils.hh> |
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| 11 | #include <Cubes/cubes.hh> |
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[11] | 12 | #include <Cubes/plots.hh> |
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[3] | 13 | |
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| 14 | |
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| 15 | void Cube::plotDetectionMap(string pgDestination) |
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| 16 | { |
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| 17 | /** |
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| 18 | * Cube::plotDetectionMap(string) |
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| 19 | * Creates a map of the spatial locations of the detections, which is written to the |
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| 20 | * PGPlot device given by pgDestination. |
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| 21 | * The map is done in greyscale, where the scale indicates the number of velocity channels |
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| 22 | * that each spatial pixel is detected in. |
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| 23 | * The boundaries of each detection are drawn, and each object is numbered (to match |
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| 24 | * the output list and spectra). |
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| 25 | * The primary grid scale is pixel coordinate, and if the WCS is valid, the correct |
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| 26 | * WCS gridlines are also drawn. |
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| 27 | */ |
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| 28 | |
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| 29 | // These are the minimum values for the X and Y ranges of the box drawn by pgplot |
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| 30 | // (without the half-pixel difference). |
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| 31 | // The -1 is necessary because the arrays we are dealing with start at 0 index, while |
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| 32 | // the ranges given in the subsection start at 1... |
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| 33 | float boxXmin = this->par.getXOffset() - 1; |
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| 34 | float boxYmin = this->par.getYOffset() - 1; |
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| 35 | |
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| 36 | long xdim=this->axisDim[0]; |
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| 37 | long ydim=this->axisDim[1]; |
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| 38 | Plot::ImagePlot newplot; |
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[93] | 39 | int flag = newplot.setUpPlot(pgDestination.c_str(),float(xdim),float(ydim)); |
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[3] | 40 | |
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[93] | 41 | if(flag<=0){ |
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| 42 | std::cerr << "ERROR <plotDetectionMap> : Could not open PGPlot device " |
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| 43 | << pgDestination << ".\n"; |
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| 44 | } |
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| 45 | else{ |
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[3] | 46 | |
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[93] | 47 | newplot.makeTitle(this->pars().getImageFile()); |
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[3] | 48 | |
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[93] | 49 | newplot.drawMapBox(boxXmin+0.5,boxXmin+xdim+0.5,boxYmin+0.5,boxYmin+ydim+0.5,"X pixel","Y pixel"); |
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[3] | 50 | |
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[93] | 51 | if(this->objectList.size()>0){ // if there are no detections, there will be nothing to plot here |
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[3] | 52 | |
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[93] | 53 | float *detectMap = new float[xdim*ydim]; |
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| 54 | int maxNum; |
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| 55 | for(int pix=0;pix<xdim*ydim;pix++){ |
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| 56 | detectMap[pix] = float(this->detectMap[pix]); |
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| 57 | if((pix==0)||(this->detectMap[pix]>maxNum)) maxNum = this->detectMap[pix]; |
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| 58 | } |
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[92] | 59 | |
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[93] | 60 | maxNum = 5 * ((maxNum-1)%5 + 1); // move to next multiple of 5 |
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[3] | 61 | |
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[93] | 62 | float tr[6] = {boxXmin,1.,0.,boxYmin,0.,1.}; |
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| 63 | cpggray(detectMap,xdim,ydim,1,xdim,1,ydim,maxNum,0,tr); |
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[3] | 64 | |
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[93] | 65 | delete [] detectMap; |
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| 66 | cpgbox("bcnst",0.,0,"bcnst",0.,0); |
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| 67 | cpgsch(1.5); |
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| 68 | cpgwedg("rg",3.2,2,maxNum,0,"Number of detected channels"); |
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| 69 | } |
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| 70 | |
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| 71 | if(this->head.isWCS()) this->plotWCSaxes(); |
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[3] | 72 | |
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[93] | 73 | if(this->objectList.size()>0){ // now show and label each detection, drawing over the WCS lines. |
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[3] | 74 | |
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[93] | 75 | cpgsch(1.0); |
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[3] | 76 | cpgsci(2); |
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[93] | 77 | cpgslw(2); |
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| 78 | float xoffset=0.; |
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| 79 | float yoffset=newplot.cmToCoord(0.5); |
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| 80 | if(this->par.drawBorders()){ |
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| 81 | cpgsci(4); |
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| 82 | for(int i=0;i<this->objectList.size();i++) this->objectList[i].drawBorders(0,0); |
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| 83 | cpgsci(2); |
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| 84 | } |
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| 85 | std::stringstream label; |
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| 86 | cpgslw(1); |
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| 87 | for(int i=0;i<this->objectList.size();i++){ |
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| 88 | cpgpt1(this->par.getXOffset()+this->objectList[i].getXcentre(), |
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| 89 | this->par.getYOffset()+this->objectList[i].getYcentre(), |
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| 90 | 5); |
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| 91 | label.str(""); |
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| 92 | label << this->objectList[i].getID(); |
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| 93 | cpgptxt(this->par.getXOffset()+this->objectList[i].getXcentre()-xoffset, |
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| 94 | this->par.getYOffset()+this->objectList[i].getYcentre()-yoffset, |
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| 95 | 0, 0.5, label.str().c_str()); |
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| 96 | } |
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| 97 | |
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[3] | 98 | } |
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| 99 | |
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[93] | 100 | cpgclos(); |
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[3] | 101 | } |
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| 102 | } |
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| 103 | |
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| 104 | /*********************************************************/ |
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| 105 | |
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| 106 | void Cube::plotMomentMap(string pgDestination) |
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| 107 | { |
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| 108 | /** |
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| 109 | * Cube::plotMomentMap(string) |
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[17] | 110 | * Creates a 0th moment map of the detections, which is written to the |
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[3] | 111 | * PGPlot device given by pgDestination. |
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| 112 | * The map is done in greyscale, where the scale indicates the integrated flux at each |
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| 113 | * spatial pixel. |
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| 114 | * The boundaries of each detection are drawn, and each object is numbered (to match |
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| 115 | * the output list and spectra). |
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| 116 | * The primary grid scale is pixel coordinate, and if the WCS is valid, the correct |
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| 117 | * WCS gridlines are also drawn. |
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| 118 | */ |
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| 119 | |
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| 120 | float boxXmin = this->par.getXOffset() - 1; |
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| 121 | float boxYmin = this->par.getYOffset() - 1; |
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| 122 | |
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| 123 | long xdim=this->axisDim[0]; |
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| 124 | long ydim=this->axisDim[1]; |
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| 125 | long zdim=this->axisDim[2]; |
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| 126 | |
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| 127 | Plot::ImagePlot newplot; |
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| 128 | |
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[93] | 129 | int flag = newplot.setUpPlot(pgDestination.c_str(),float(xdim),float(ydim)); |
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| 130 | |
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| 131 | if(flag<=0){ |
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| 132 | std::cerr << "ERROR <plotMomentMap> : Could not open PGPlot device " |
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| 133 | << pgDestination << ".\n"; |
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| 134 | } |
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| 135 | else{ |
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[3] | 136 | |
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[93] | 137 | if(this->objectList.size()==0){ // if there are no detections, we plot an empty field. |
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| 138 | |
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| 139 | newplot.makeTitle(this->pars().getImageFile()); |
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[7] | 140 | |
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[93] | 141 | newplot.drawMapBox(boxXmin+0.5,boxXmin+xdim+0.5,boxYmin+0.5,boxYmin+ydim+0.5,"X pixel","Y pixel"); |
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| 142 | |
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| 143 | if(this->head.isWCS()) this->plotWCSaxes(); |
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| 144 | |
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| 145 | } |
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| 146 | else { // if there are some detections, do the calculations first before plotting anything. |
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| 147 | |
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| 148 | newplot.makeTitle(this->pars().getImageFile()); |
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[10] | 149 | |
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[93] | 150 | newplot.drawMapBox(boxXmin+0.5,boxXmin+xdim+0.5,boxYmin+0.5,boxYmin+ydim+0.5,"X pixel","Y pixel"); |
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[7] | 151 | |
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[93] | 152 | if(pgDestination=="/xs") |
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[95] | 153 | cpgptxt(boxXmin+0.5+xdim/2.,boxYmin+0.5+ydim/2.,0,0.5,"Calculating map..."); |
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[3] | 154 | |
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[93] | 155 | bool *isObj = new bool[xdim*ydim*zdim]; |
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| 156 | for(int i=0;i<xdim*ydim*zdim;i++) isObj[i] = false; |
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| 157 | for(int i=0;i<this->objectList.size();i++){ |
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| 158 | for(int p=0;p<this->objectList[i].getSize();p++){ |
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| 159 | int pixelpos = this->objectList[i].getX(p) + xdim*this->objectList[i].getY(p) |
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| 160 | + xdim*ydim*this->objectList[i].getZ(p); |
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| 161 | isObj[pixelpos] = true; |
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| 162 | } |
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[3] | 163 | } |
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| 164 | |
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[93] | 165 | float *momentMap = new float[xdim*ydim]; |
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| 166 | // Initialise to zero |
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| 167 | for(int i=0;i<xdim*ydim;i++) momentMap[i] = 0.; |
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[3] | 168 | |
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[93] | 169 | // if we are looking for negative features, we need to invert the detected pixels for the moment map |
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| 170 | float sign = 1.; |
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| 171 | if(this->pars().getFlagNegative()) sign = -1.; |
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[60] | 172 | |
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[93] | 173 | float deltaVel; |
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| 174 | double x,y; |
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[91] | 175 | |
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[93] | 176 | double *zArray = new double[zdim]; |
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| 177 | for(int z=0; z<zdim; z++) zArray[z] = double(z); |
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[91] | 178 | |
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[93] | 179 | double *world = new double[zdim]; |
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[91] | 180 | |
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[93] | 181 | for(int pix=0; pix<xdim*ydim; pix++){ |
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[22] | 182 | |
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[93] | 183 | x = double(pix%xdim); |
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| 184 | y = double(pix/xdim); |
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[3] | 185 | |
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[93] | 186 | // for(int z=0; z<zdim; z++){ |
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| 187 | // double zpos = double(z); |
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| 188 | // world[z] = this->head.pixToVel(x,y,zpos); |
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| 189 | // } |
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[91] | 190 | |
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[93] | 191 | delete [] world; |
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| 192 | world = this->head.pixToVel(x,y,zArray,zdim); |
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[91] | 193 | |
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[93] | 194 | for(int z=0; z<zdim; z++){ |
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| 195 | int pos = z*xdim*ydim + pix; // the voxel in the cube |
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| 196 | if(isObj[pos]){ // if it's an object pixel... |
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| 197 | // delta-vel is half the distance between adjacent channels. |
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| 198 | // if at end, then just use 0-1 or (zdim-1)-(zdim-2) distance |
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| 199 | if(z==0){ |
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| 200 | if(zdim==1) deltaVel=1.; // pathological case -- if 2D image instead of cube. |
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| 201 | else deltaVel = world[z+1] - world[z]; |
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| 202 | } |
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| 203 | else if(z==(zdim-1)) deltaVel = world[z-1] - world[z]; |
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| 204 | else deltaVel = (world[z+1] - world[z-1]) / 2.; |
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| 205 | |
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| 206 | momentMap[pix] += sign * this->array[pos] * fabsf(deltaVel); |
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| 207 | |
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[3] | 208 | } |
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[93] | 209 | } |
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[91] | 210 | |
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[93] | 211 | } |
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| 212 | |
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| 213 | delete [] world; |
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| 214 | delete [] zArray; |
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[91] | 215 | |
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[93] | 216 | float *temp = new float[xdim*ydim]; |
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| 217 | int count=0; |
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| 218 | for(int i=0;i<xdim*ydim;i++) { |
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| 219 | if(momentMap[i]>0.){ |
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| 220 | bool addPixel = false; |
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| 221 | for(int z=0;z<zdim;z++) addPixel = addPixel || isObj[z*xdim*ydim+i]; |
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| 222 | if(addPixel) temp[count++] = log10(momentMap[i]); |
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[3] | 223 | } |
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| 224 | } |
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[93] | 225 | float z1,z2; |
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| 226 | z1 = z2 = temp[0]; |
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| 227 | for(int i=1;i<count;i++){ |
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| 228 | if(temp[i]<z1) z1 = temp[i]; |
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| 229 | if(temp[i]>z2) z2 = temp[i]; |
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| 230 | } |
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[3] | 231 | |
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[93] | 232 | for(int i=0;i<xdim*ydim;i++) { |
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[91] | 233 | bool addPixel = false; |
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| 234 | for(int z=0;z<zdim;z++) addPixel = addPixel || isObj[z*xdim*ydim+i]; |
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[93] | 235 | addPixel = addPixel && (momentMap[i]>0.); |
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| 236 | if(!addPixel) momentMap[i] = z1-1.; |
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| 237 | else momentMap[i] = log10(momentMap[i]); |
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[91] | 238 | } |
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| 239 | |
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[93] | 240 | // Have now done all necessary calculations for moment map. |
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| 241 | // Now produce the plot |
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[3] | 242 | |
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[93] | 243 | float tr[6] = {boxXmin,1.,0.,boxYmin,0.,1.}; |
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| 244 | cpggray(momentMap,xdim,ydim,1,xdim,1,ydim,z2,z1,tr); |
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| 245 | cpgbox("bcnst",0.,0,"bcnst",0.,0); |
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| 246 | cpgsch(1.5); |
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| 247 | string wedgeLabel = "Flux "; |
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| 248 | if(this->pars().getFlagNegative()) wedgeLabel = "-1. * " + wedgeLabel; |
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| 249 | if(this->head.isWCS()) wedgeLabel += "[" + this->head.getIntFluxUnits() + "]"; |
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| 250 | cpgwedglog("rg",3.2,2,z2,z1,wedgeLabel.c_str()); |
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[92] | 251 | |
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[93] | 252 | delete [] momentMap; |
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| 253 | delete [] temp; |
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| 254 | delete [] isObj; |
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[3] | 255 | |
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[93] | 256 | if(this->head.isWCS()) this->plotWCSaxes(); |
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[3] | 257 | |
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[93] | 258 | // now show and label each detection, drawing over the WCS lines. |
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| 259 | cpgsch(1.0); |
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[3] | 260 | cpgsci(2); |
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[93] | 261 | cpgslw(2); |
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| 262 | float xoffset=0.; |
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| 263 | float yoffset=newplot.cmToCoord(0.5); |
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| 264 | if(this->par.drawBorders()){ |
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| 265 | cpgsci(4); |
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| 266 | for(int i=0;i<this->objectList.size();i++) this->objectList[i].drawBorders(0,0); |
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| 267 | cpgsci(2); |
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| 268 | } |
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| 269 | std::stringstream label; |
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| 270 | cpgslw(1); |
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| 271 | for(int i=0;i<this->objectList.size();i++){ |
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| 272 | cpgpt1(this->par.getXOffset()+this->objectList[i].getXcentre(), |
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| 273 | this->par.getYOffset()+this->objectList[i].getYcentre(), |
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| 274 | 5); |
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| 275 | label.str(""); |
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| 276 | label << this->objectList[i].getID(); |
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| 277 | cpgptxt(this->par.getXOffset()+this->objectList[i].getXcentre()-xoffset, |
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| 278 | this->par.getYOffset()+this->objectList[i].getYcentre()-yoffset, |
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| 279 | 0, 0.5, label.str().c_str()); |
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| 280 | } |
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| 281 | |
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[3] | 282 | } |
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| 283 | |
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[93] | 284 | |
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| 285 | cpgclos(); |
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[3] | 286 | } |
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| 287 | |
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| 288 | } |
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| 289 | |
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| 290 | /*********************************************************/ |
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| 291 | |
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| 292 | |
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| 293 | void Cube::plotWCSaxes() |
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| 294 | { |
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| 295 | /** |
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| 296 | * Cube::plotWCSaxes() |
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| 297 | * A front-end to the cpgsbox command, to draw the gridlines for the WCS over the |
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| 298 | * current plot. |
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| 299 | * Lines are drawn in dark green over the full plot area, and the axis labels are |
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| 300 | * written on the top and on the right hand sides, so as not to conflict with |
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| 301 | * other labels. |
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| 302 | */ |
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| 303 | |
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| 304 | float boxXmin = this->par.getXOffset() - 1; |
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| 305 | float boxYmin = this->par.getYOffset() - 1; |
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| 306 | |
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| 307 | char idents[3][80], opt[2], nlcprm[1]; |
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[91] | 308 | |
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[93] | 309 | // std::cerr << "!"; |
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[91] | 310 | wcsprm *tempwcs; |
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| 311 | tempwcs = this->head.getWCS(); |
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| 312 | // std::cerr << "!"; |
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| 313 | |
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| 314 | strcpy(idents[0], tempwcs->lngtyp); |
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| 315 | strcpy(idents[1], tempwcs->lattyp); |
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[3] | 316 | strcpy(idents[2], ""); |
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[91] | 317 | if(strcmp(tempwcs->lngtyp,"RA")==0) opt[0] = 'G'; |
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[3] | 318 | else opt[0] = 'D'; |
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| 319 | opt[1] = 'E'; |
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| 320 | |
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| 321 | float blc[2], scl, trc[2]; |
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| 322 | blc[0] = boxXmin + 0.5; |
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| 323 | blc[1] = boxYmin + 0.5; |
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| 324 | trc[0] = boxXmin + this->axisDim[0]+0.5; |
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| 325 | trc[1] = boxYmin + this->axisDim[1]+0.5; |
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| 326 | |
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| 327 | int lineWidth; |
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| 328 | cpgqlw(&lineWidth); |
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| 329 | int colour; |
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| 330 | cpgqci(&colour); |
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| 331 | float size; |
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| 332 | cpgqch(&size); |
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| 333 | cpgsci(3); |
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| 334 | cpgsch(0.8); |
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| 335 | int c0[7], ci[7], gcode[2], ic, ierr; |
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| 336 | for(int i=0;i<7;i++) c0[i] = -1; |
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| 337 | /* define a Dark Green colour. */ |
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[11] | 338 | cpgscr(17, 0.3, 0.5, 0.3); |
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[3] | 339 | |
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| 340 | gcode[0] = 2; // type of grid to draw: 0=none, 1=ticks only, 2=full grid |
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| 341 | gcode[1] = 2; |
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| 342 | |
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| 343 | double cache[257][4], grid1[9], grid2[9], nldprm[8]; |
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| 344 | grid1[0] = 0.0; |
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| 345 | grid2[0] = 0.0; |
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| 346 | |
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| 347 | // nlfunc_t pgwcsl_; |
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[83] | 348 | // Draw the celestial grid with no intermediate tick marks. |
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[3] | 349 | // Set LABCTL=2100 to write 1st coord on top, and 2nd on right |
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| 350 | //Colour indices used by cpgsbox -- make it all the same colour for thin line case. |
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| 351 | ci[0] = 17; // grid lines, coord 1 |
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| 352 | ci[1] = 17; // grid lines, coord 2 |
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| 353 | ci[2] = 17; // numeric labels, coord 1 |
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| 354 | ci[3] = 17; // numeric labels, coord 2 |
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| 355 | ci[4] = 17; // axis annotation, coord 1 |
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| 356 | ci[5] = 17; // axis annotation, coord 2 |
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| 357 | ci[6] = 17; // title |
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| 358 | |
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| 359 | cpgsbox(blc, trc, idents, opt, 2100, 0, ci, gcode, 0.0, 0, grid1, 0, grid2, |
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[91] | 360 | 0, pgwcsl_, 1, WCSLEN, 1, nlcprm, (int *)tempwcs, |
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[90] | 361 | nldprm, 256, &ic, cache, &ierr); |
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[3] | 362 | |
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[91] | 363 | wcsfree(tempwcs); |
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| 364 | |
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| 365 | // std::cerr << "!"; |
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| 366 | |
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[3] | 367 | cpgsci(colour); |
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| 368 | cpgsch(size); |
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| 369 | cpgslw(lineWidth); |
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| 370 | } |
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| 371 | |
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| 372 | |
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| 373 | /*********************************************************/ |
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| 374 | /*********************************************************/ |
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| 375 | |
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| 376 | |
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| 377 | |
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| 378 | |
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| 379 | |
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| 380 | |
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| 381 | |
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| 382 | // void Cube::plotMomentMapOLD(string pgDestination) |
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| 383 | // { |
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| 384 | // float boxXmin = this->par.getXOffset() - 1; |
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| 385 | // float boxYmin = this->par.getYOffset() - 1; |
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| 386 | |
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| 387 | // long xdim=this->axisDim[0]; |
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| 388 | // long ydim=this->axisDim[1]; |
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| 389 | |
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| 390 | // cpgopen(pgDestination.c_str()); |
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| 391 | // cpgpap(7.5,(float)ydim/(float)xdim); |
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| 392 | // cpgsch(1.5); |
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| 393 | // cpgvstd(); |
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| 394 | // cpgsch(1.); |
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| 395 | // cpgslw(2); |
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| 396 | // cpgswin(boxXmin+0.5,boxXmin+xdim+0.5, |
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| 397 | // boxYmin+0.5,boxYmin+ydim+0.5); |
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| 398 | // cpgbox("bcnst",0.,0,"bcnst",0.,0); |
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| 399 | // cpglab("X pixel","Y pixel",""); |
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| 400 | // cpgmtxt("t",2.5,0.5,0.5,this->par.getImageFile().c_str()); |
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| 401 | |
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| 402 | // if(this->objectList.size()>0){ // if there are no detections, there will be nothing to plot here |
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| 403 | |
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| 404 | // bool *isBlank = new bool[xdim*ydim]; |
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| 405 | // for(int i=0;i<xdim*ydim;i++) |
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| 406 | // isBlank[i] = this->par.isBlank(this->array[i]); |
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| 407 | |
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| 408 | // float *momentMap = new float[xdim*ydim]; |
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| 409 | // bool *isObj = new bool[xdim*ydim]; |
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| 410 | // for(int i=0;i<xdim*ydim;i++){ |
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| 411 | // momentMap[i] = 0.; |
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| 412 | // isObj[i] = false; |
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| 413 | // } |
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| 414 | // for(int i=0;i<this->objectList.size();i++){ |
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| 415 | // for(int p=0;p<this->objectList[i].getSize();p++){ |
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| 416 | // momentMap[ this->objectList[i].getX(p) + xdim*this->objectList[i].getY(p) ] += |
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| 417 | // this->objectList[i].getF(p); |
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| 418 | // isObj[ this->objectList[i].getX(p) + xdim*this->objectList[i].getY(p) ] = true; |
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| 419 | // } |
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| 420 | // } |
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| 421 | // for(int i=0;i<xdim*ydim;i++) if(isBlank[i]) momentMap[i] = this->par.getBlankPixVal(); |
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| 422 | |
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| 423 | // float *temp = new float[xdim*ydim]; |
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| 424 | // int count=0; |
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| 425 | // for(int i=0;i<xdim*ydim;i++) |
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| 426 | // if(isObj[i] && !isBlank[i]) temp[count++] = momentMap[i]; |
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| 427 | // float z1,z2; |
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| 428 | // zscale(count,temp,z1,z2); |
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| 429 | |
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| 430 | // float tr[6] = {boxXmin,1.,0.,boxYmin,0.,1.}; |
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| 431 | // cpggray(momentMap,xdim,ydim,1,xdim,1,ydim,z2,z1,tr); |
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| 432 | // cpgbox("bcnst",0.,0,"bcnst",0.,0); |
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| 433 | // cpgsch(1.2); |
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| 434 | // cpgwedg("rg",3,2,z2,z1,"Flux"); |
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| 435 | // cpgsch(1.0); |
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| 436 | // cpgsci(2); |
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| 437 | // count=0; |
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| 438 | // float xoffset=0.; |
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| 439 | // float yoffset=ydim/50.; |
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| 440 | // if(this->par.drawBorders()){ |
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| 441 | // cpgsci(4); |
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| 442 | // for(int i=0;i<this->objectList.size();i++) this->objectList[i].drawBorders(0,0); |
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| 443 | // cpgsci(2); |
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| 444 | // } |
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| 445 | // std::stringstream label; |
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| 446 | // for(int i=0;i<this->objectList.size();i++){ |
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| 447 | // cpgpt1(this->par.getXOffset()+this->objectList[i].getXcentre(), |
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| 448 | // this->par.getYOffset()+this->objectList[i].getYcentre(), |
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| 449 | // 5); |
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| 450 | // label.str(""); |
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| 451 | // label << "#"<<setw(3)<<setfill('0')<<this->objectList[i].getID(); |
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| 452 | // cpgptxt(this->par.getXOffset()+this->objectList[i].getXcentre()-xoffset, |
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| 453 | // this->par.getYOffset()+this->objectList[i].getYcentre()-yoffset-1, |
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| 454 | // 0, 0.5, label.str().c_str()); |
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| 455 | // } |
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| 456 | |
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| 457 | // delete [] momentMap; |
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| 458 | // delete [] temp; |
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| 459 | // delete [] isBlank; |
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| 460 | // delete [] isObj; |
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| 461 | |
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| 462 | // } |
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| 463 | |
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| 464 | // this->plotWCSaxes(); |
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| 465 | |
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| 466 | // cpgclos(); |
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| 467 | |
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| 468 | // } |
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| 469 | |
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