1 | #ifndef PLOTS_H |
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2 | #define PLOTS_H |
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3 | |
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4 | #include <iostream> |
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5 | #include <sstream> |
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6 | #include <string> |
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7 | #include <math.h> |
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8 | #include <cpgplot.h> |
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9 | #include <Utils/mycpgplot.hh> |
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10 | |
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11 | using namespace mycpgplot; |
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12 | |
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13 | /** |
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14 | * A namespace to control plotting of the spectral output and the |
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15 | * spatial image output. |
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16 | */ |
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17 | |
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18 | namespace Plot |
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19 | { |
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20 | const float inchToCm=2.54; ///< Conversion factor from inches to centimetres. |
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21 | const float a4width=21.0; ///< A4 width in cm |
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22 | const float a4height=29.7; ///< A4 height in cm |
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23 | const float psHoffset=0.35; ///< The default pgplot offset applied to ps files |
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24 | const float psVoffset=0.25; ///< The default pgplot offset applied to ps files |
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25 | |
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26 | // These are the constants used for spacing out elements in SpectralPlot. |
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27 | const float spMainX1 = 2.0; ///< min X-value of main box [cm] |
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28 | const float spMainX2 = 13.7; ///< max X-value of main box [cm] |
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29 | const float spZoomX1 = 15.0; ///< min X-value of zoom box [cm] |
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30 | const float spZoomX2 = 16.8; ///< max X-value of zoom box [cm] |
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31 | const float spMapX1 = 17.0; ///< min X-value of map box [cm] |
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32 | const float spMainY1 = 1.8; ///< min Y-value of box wrt base of current spectrum [cm] |
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33 | const float spMainY2 = 3.8; ///< max Y-value of box wrt base of current spectrum [cm] |
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34 | const float spXlabelOffset = 3.0; ///< Offset for X-axis label. |
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35 | const float spYlabelOffset = 4.0; ///< Offset for Y-axis label. |
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36 | const float spTitleOffset1 = 3.8; ///< Offset for first title line. |
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37 | const float spTitleOffset2 = 2.3; ///< Offset for second title line. |
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38 | const float spTitleOffset3 = 0.8; ///< Offset for third title line. |
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39 | |
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40 | // These are the constants used for spacing out elements in ImagePlot. |
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41 | const float imTitleOffset = 2.7; ///< Offset for title of map. |
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42 | |
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43 | //*************************************************************************** |
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44 | |
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45 | /** |
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46 | * A class for plotting spectra of detections. |
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47 | * This class is designed to hold the dimensions and set up for the plotting |
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48 | * of the spectra (including the full spectra, the zoomed in part, and the |
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49 | * moment map). |
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50 | * The physical dimensions (in inches) of the plot and the elements |
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51 | * within it are stored, on the assumption that the plot will go on |
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52 | * an A4 page. |
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53 | * Simple accessor functions are provided to enable access to quantities |
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54 | * needed for pgplot routines. |
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55 | */ |
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56 | class SpectralPlot |
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57 | { |
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58 | public: |
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59 | SpectralPlot(); ///< Constructor |
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60 | virtual ~SpectralPlot(); ///< Destructor |
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61 | |
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62 | int setUpPlot(std::string pgDestination); ///< Set up PGPLOT output. |
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63 | void calcCoords(); ///< Calculate boundaries for boxes. |
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64 | void gotoHeader(std::string xlabel); ///< Set up the header & write the X-label. |
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65 | void firstHeaderLine(std::string line); |
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66 | ///< Write first line of header information (position/velocity info) in correct place. |
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67 | void secondHeaderLine(std::string line); |
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68 | ///< Write second line of header information (widths and fluxes) in correct place. |
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69 | void thirdHeaderLine(std::string line); |
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70 | ///< Write third line of header information (pixel coordinates) in correct place. |
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71 | void gotoMainSpectrum(float x1, float x2, float y1, float y2,std::string ylabel); |
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72 | ///< Set up main spectral plotting region. |
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73 | void gotoZoomSpectrum(float x1, float x2, float y1, float y2); |
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74 | ///< Set up zoomed-in spectral plotting region. |
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75 | void gotoMap(); ///< Defines the region for the moment map. |
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76 | void drawVelRange(float v1, float v2); ///< Draw lines indicating velocity range. |
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77 | void drawMWRange(float v1, float v2);///< Draw box showing excluded range due to Milky Way. |
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78 | |
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79 | int getNumOnPage(); ///< Return number of spectra that go on a page. |
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80 | void setNumOnPage(int i); ///< Set number of spectra that go on a page. |
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81 | float getPaperWidth(); ///< Return width of plottable region. |
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82 | void setPaperWidth(float f); ///< Set width of plottable region. |
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83 | float getPaperHeight(); ///< Return height of plottable region. |
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84 | void setPaperHeight(float f); ///< Set height of plottable region. |
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85 | void goToPlot() ; ///< Goes to the plot when more than one are open. |
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86 | |
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87 | private: |
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88 | int numOnPage; ///< Number of spectra to put on one page. |
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89 | int spectraCount; ///< Number of spectra done so far: where on the page? |
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90 | float mainCoords[4]; ///< Boundaries for the main spectrum [inches] |
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91 | float zoomCoords[4]; ///< Boundaries for the zoomed-in spectrum [inches] |
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92 | float mapCoords[4]; ///< Boundaries for the map box [inches] |
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93 | float paperWidth; ///< Width of plottable region of the paper [inches] |
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94 | float paperHeight; ///< Height of plottable region of the paper [inches] |
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95 | float indexSize; ///< PGPlot character height for tick mark labels |
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96 | float labelSize; ///< PGPlot character height for axis labels. |
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97 | int identifier; ///< The identifier code used by cpgslct. |
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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 | // Inline SpectralPlot functions... |
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103 | //---------------------------------------------------------- |
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104 | inline void SpectralPlot::firstHeaderLine(std::string line){ |
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105 | cpgmtxt("t",Plot::spTitleOffset1,0.5,0.5,line.c_str());} |
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106 | inline void SpectralPlot::secondHeaderLine(std::string line){ |
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107 | cpgmtxt("t",Plot::spTitleOffset2,0.5,0.5,line.c_str());} |
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108 | inline void SpectralPlot::thirdHeaderLine(std::string line){ |
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109 | cpgmtxt("t",Plot::spTitleOffset3,0.5,0.5,line.c_str());} |
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110 | inline int SpectralPlot::getNumOnPage(){return numOnPage;} |
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111 | inline void SpectralPlot::setNumOnPage(int i){numOnPage=i;} |
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112 | inline float SpectralPlot::getPaperWidth(){return paperWidth;} |
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113 | inline void SpectralPlot::setPaperWidth(float f){paperWidth=f;} |
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114 | inline float SpectralPlot::getPaperHeight(){return paperHeight;} |
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115 | inline void SpectralPlot::setPaperHeight(float f){paperHeight=f;} |
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116 | inline void SpectralPlot::goToPlot(){cpgslct(identifier);} |
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117 | |
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118 | //*************************************************************************** |
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119 | //*************************************************************************** |
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120 | |
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121 | /** |
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122 | * A class for plotting 2-dimensional maps. |
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123 | * A class to hold the dimensions and set up for the plots used by the |
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124 | * two functions below. |
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125 | * The physical dimensions (in inches) of the plot and the elements |
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126 | * within it are stored, including maximum widths and heights |
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127 | * (so that the plot will fit on an A4 page). |
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128 | * Simple accessor functions are provided to enable access to quantities |
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129 | * needed for pgplot routines. |
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130 | */ |
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131 | class ImagePlot |
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132 | { |
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133 | public: |
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134 | ImagePlot(); ///< Constructor |
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135 | virtual ~ImagePlot(); ///< Destructor |
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136 | |
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137 | int setUpPlot(std::string pgDestination, float x, float y); ///< Set up PGPLOT output. |
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138 | void drawMapBox(float x1, float x2, float y1, float y2, |
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139 | std::string xlabel, std::string ylabel); ///< Defines and draws box. |
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140 | void makeTitle(std::string title); ///< Write plot title. |
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141 | |
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142 | float cmToCoord(float cm);///< Converts distance in cm to coordinate distance on the plot. |
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143 | float getMargin(); ///< Returns width of margin. |
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144 | float getPaperWidth(); ///< Returns width of paper. |
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145 | float imageWidth(); ///< Returns the calculated total width of the image part of the plot [inches] |
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146 | float getImageHeight(); ///< Returns height of image [inches] |
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147 | float getAspectRatio(); ///< Returns the aspect ratio of the image. |
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148 | void goToPlot(); ///< Goes to the plot when more than one are open |
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149 | |
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150 | private: |
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151 | float paperWidth; ///< Default (maximum) width of "paper" [inches] |
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152 | float maxPaperHeight; ///< Maximum allowed height of paper [inches] |
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153 | float marginWidth; ///< Width allowed for margins around main plot (ie. label & numbers) [inches] |
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154 | float wedgeWidth; ///< Width allowed for placement of wedge on right-hand side of plot. [inches] |
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155 | float imageRatio; ///< Aspect ratio of the image only (ie. y-value range / x-value range). |
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156 | float aspectRatio; ///< Aspect ratio of whole plot. |
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157 | float xdim; ///< Width of main plot, in display units. |
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158 | float ydim; ///< Height of main plot, in display units. |
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159 | int identifier; ///< The identifier code used by cpgslct. |
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160 | }; |
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161 | //---------------------------------------------------------- |
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162 | // Inline ImagePlot functions... |
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163 | //---------------------------------------------------------- |
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164 | |
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165 | inline float ImagePlot::imageWidth(){ return paperWidth - 2*marginWidth - wedgeWidth;} |
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166 | inline float ImagePlot::cmToCoord(float cm){/** \param cm Distance to be converted.*/ |
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167 | return (cm/inchToCm) * ydim / (imageWidth()*imageRatio);} |
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168 | inline float ImagePlot::getMargin() {return marginWidth;} |
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169 | inline float ImagePlot::getPaperWidth() {return paperWidth;} |
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170 | inline float ImagePlot::getImageHeight(){return imageWidth()*imageRatio;} |
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171 | inline float ImagePlot::getAspectRatio(){return aspectRatio;} |
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172 | inline void ImagePlot::goToPlot(){cpgslct(identifier);} |
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173 | |
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174 | } |
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175 | |
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176 | |
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177 | #endif |
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178 | |
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