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