1 | // ----------------------------------------------------------------------- |
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2 | // drawBlankEdges.cc: Draw the edge of the BLANK region of the cube on |
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3 | // a PGPLOT map. |
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4 | // ----------------------------------------------------------------------- |
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5 | // Copyright (C) 2006, Matthew Whiting, ATNF |
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6 | // |
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7 | // This program is free software; you can redistribute it and/or modify it |
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8 | // under the terms of the GNU General Public License as published by the |
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9 | // Free Software Foundation; either version 2 of the License, or (at your |
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10 | // option) any later version. |
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11 | // |
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12 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
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13 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 | // for more details. |
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16 | // |
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17 | // You should have received a copy of the GNU General Public License |
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18 | // along with Duchamp; if not, write to the Free Software Foundation, |
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19 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
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20 | // |
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21 | // Correspondence concerning Duchamp may be directed to: |
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22 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
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23 | // Postal address: Dr. Matthew Whiting |
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24 | // Australia Telescope National Facility, CSIRO |
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25 | // PO Box 76 |
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26 | // Epping NSW 1710 |
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27 | // AUSTRALIA |
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28 | // ----------------------------------------------------------------------- |
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29 | #include <cpgplot.h> |
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30 | #include <duchamp/duchamp.hh> |
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31 | #include <duchamp/param.hh> |
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32 | #include <duchamp/Utils/mycpgplot.hh> |
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33 | #include <string> |
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34 | |
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35 | namespace duchamp |
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36 | { |
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37 | |
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38 | void drawBlankEdges(float *dataArray, int xdim, int ydim, Param &par) |
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39 | { |
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40 | /** |
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41 | * A subroutine that is designed to draw the edges of the blank |
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42 | * region of the cube on a moment/detection map. Uses the same |
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43 | * procedure as used in the reconstruction subroutines. |
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44 | * |
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45 | * Note that it needs a PGPLOT device open. The colour used is the current |
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46 | * PGPLOT colour. |
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47 | * |
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48 | * \param dataArray The array of pixel values |
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49 | * \param xdim The size of the array in the x-direction. |
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50 | * \param ydim The size of the array in the y-direction. |
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51 | * \param par The Param set telling us what a BLANK pixel is. |
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52 | */ |
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53 | |
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54 | if(par.getFlagBlankPix()){ |
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55 | |
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56 | if(!cpgtest()) |
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57 | duchampError("Draw Blank Edges","There is no PGPlot device open!\n"); |
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58 | else{ |
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59 | |
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60 | int colour; |
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61 | cpgqci(&colour); |
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62 | cpgsci(DUCHAMP_BLANK_EDGE_COLOUR); |
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63 | |
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64 | float xoff,x2,yoff,y2; |
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65 | cpgqwin(&xoff,&x2,&yoff,&y2); |
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66 | |
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67 | bool *blank = new bool[xdim*ydim]; |
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68 | for(int i=0;i<xdim*ydim;i++) blank[i] = par.isBlank(dataArray[i]); |
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69 | |
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70 | for(int x=0; x<xdim; x++){// for each column... |
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71 | for(int y=1;y<ydim;y++){ |
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72 | int current = y*xdim + x; |
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73 | int previous = (y-1)*xdim + x; |
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74 | if( (blank[current]&&!blank[previous]) || |
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75 | (!blank[current]&&blank[previous]) ){ |
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76 | cpgmove(x-0.5, y-0.5); |
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77 | cpgdraw(x+0.5, y-0.5); |
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78 | } |
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79 | } |
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80 | } |
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81 | |
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82 | for(int y=0; y<ydim; y++){// for each row... |
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83 | for(int x=1;x<xdim;x++){ |
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84 | int current = y*xdim + x; |
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85 | int previous = y*xdim + x-1; |
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86 | if( (blank[current]&&!blank[previous]) || |
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87 | (!blank[current]&&blank[previous]) ){ |
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88 | cpgmove(x-0.5, y-0.5); |
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89 | cpgdraw(x-0.5, y+0.5); |
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90 | } |
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91 | } |
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92 | } |
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93 | |
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94 | delete [] blank; |
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95 | |
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96 | cpgsci(colour); |
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97 | |
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98 | } |
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99 | |
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100 | |
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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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