1 | // ----------------------------------------------------------------------- |
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2 | // plots.hh: Definition of the SpectralPlot and ImagePlot classes, for |
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3 | // plotting spectra and maps of detected objects. |
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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 | #ifndef PLOTS_H |
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30 | #define PLOTS_H |
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31 | |
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32 | #include <iostream> |
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33 | #include <sstream> |
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34 | #include <string> |
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35 | #include <math.h> |
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36 | #include <duchamp/pgheader.hh> |
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37 | |
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38 | namespace duchamp |
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39 | { |
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40 | |
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41 | /** |
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42 | * A namespace to control plotting of the spectral output and the |
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43 | * spatial image output. |
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44 | */ |
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45 | |
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46 | namespace Plot |
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47 | { |
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48 | const float inchToCm=2.54; ///< Conversion factor from inches |
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49 | /// to centimetres. |
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50 | const float a4width=21.0; ///< A4 width in cm |
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51 | const float a4height=29.7; ///< A4 height in cm |
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52 | const float psHoffset=0.35; ///< The default horizontal pgplot |
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53 | /// offset applied to ps files |
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54 | const float psVoffset=0.25; ///< The default vertical pgplot |
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55 | /// offset applied to ps files |
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56 | |
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57 | // These are the constants used for spacing out elements in SpectralPlot. |
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58 | const float spMainX1 = 2.0; ///< min X-value of main box [cm] |
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59 | const float spMainX2 = 13.7; ///< max X-value of main box [cm] |
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60 | const float spZoomX1 = 15.0; ///< min X-value of zoom box [cm] |
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61 | const float spZoomX2 = 16.8; ///< max X-value of zoom box [cm] |
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62 | const float spMapX1 = 17.0; ///< min X-value of map box [cm] |
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63 | const float spMainY1 = 1.5; ///< min Y-value of box wrt base |
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64 | /// of current spectrum [cm] |
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65 | const float spMainY2 = 3.4; ///< max Y-value of box wrt base |
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66 | /// of current spectrum [cm] |
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67 | const float spXlabelOffset = 3.0; ///< Offset for X-axis label. |
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68 | const float spYlabelOffset = 4.0; ///< Offset for Y-axis label. |
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69 | const float spTitleOffset1 = 5.1; ///< Offset for first title line. |
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70 | const float spTitleOffset2 = 3.6; ///< Offset for second title line. |
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71 | const float spTitleOffset3 = 2.1; ///< Offset for third title line. |
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72 | const float spTitleOffset4 = 0.6; ///< Offset for fourth title line. |
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73 | |
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74 | const float spIndexSize = 0.6; ///< PGPlot character height for |
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75 | /// tick mark labels |
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76 | const float spLabelSize = 0.7; ///< PGPlot character height for |
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77 | /// axis labels |
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78 | const float spTitleSize = 0.8; ///< PGPlot character height for |
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79 | /// plot title line |
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80 | |
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81 | // These are the constants used for spacing out elements in ImagePlot. |
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82 | const float imTitleOffset = 2.7; ///< Offset for title of map. |
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83 | |
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84 | // These are the constants used for spacing out elements in CutoutPlot. |
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85 | const float cuMainX1 = 1.0; |
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86 | const float cuMainX2 = 15.8; |
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87 | const float cuMainY1 = 1.0; |
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88 | const float cuMainY2 = 3.8; |
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89 | const float cuMapX1 = 16.0; |
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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 | /** |
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95 | * A class for plotting spectra of detections. |
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96 | * This class is designed to hold the dimensions and set up for the |
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97 | * plotting of the spectra (including the full spectra, the zoomed |
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98 | * in part, and the moment map). |
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99 | * The physical dimensions (in inches) of the plot and the elements |
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100 | * within it are stored, on the assumption that the plot will go on |
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101 | * an A4 page. |
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102 | * Simple accessor functions are provided to enable access to quantities |
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103 | * needed for pgplot routines. |
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104 | */ |
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105 | class SpectralPlot |
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106 | { |
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107 | public: |
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108 | SpectralPlot(); ///< Constructor |
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109 | virtual ~SpectralPlot(); ///< Destructor |
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110 | SpectralPlot(const SpectralPlot& p); |
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111 | SpectralPlot& operator=(const SpectralPlot& p); |
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112 | |
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113 | /** Set up PGPLOT output.*/ |
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114 | int setUpPlot(std::string pgDestination); |
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115 | |
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116 | /** Calculate boundaries for boxes.*/ |
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117 | void calcCoords(); |
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118 | /** Set up the header & write the X-label.*/ |
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119 | void gotoHeader(std::string xlabel); |
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120 | |
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121 | /** Write first line of header information (position/velocity |
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122 | info) in correct place.*/ |
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123 | void firstHeaderLine(std::string line); |
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124 | |
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125 | /** Write second line of header information (fluxes) in |
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126 | correct place.*/ |
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127 | void secondHeaderLine(std::string line); |
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128 | |
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129 | /** Write third line of header information (WCS widths) in |
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130 | correct place. */ |
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131 | void thirdHeaderLine(std::string line); |
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132 | |
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133 | /** Write fourth line of header information (pixel coordinates) in |
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134 | correct place. */ |
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135 | void fourthHeaderLine(std::string line); |
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136 | |
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137 | /** Set up main spectral plotting region.*/ |
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138 | void gotoMainSpectrum(float x1, float x2, float y1, float y2, |
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139 | std::string ylabel); |
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140 | |
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141 | /** Set up zoomed-in spectral plotting region.*/ |
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142 | void gotoZoomSpectrum(float x1, float x2, float y1, float y2); |
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143 | |
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144 | /** Defines the region for the moment map.*/ |
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145 | void gotoMap(); |
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146 | |
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147 | /** Draw lines indicating velocity range.*/ |
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148 | void drawVelRange(float v1, float v2); |
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149 | |
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150 | /** Draw box showing excluded range due to Milky Way.*/ |
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151 | void drawMWRange(float v1, float v2); |
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152 | |
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153 | /** Return number of spectra that go on a page.*/ |
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154 | int getNumOnPage(); |
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155 | |
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156 | /** Set number of spectra that go on a page.*/ |
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157 | void setNumOnPage(int i); |
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158 | float getPaperWidth(); ///< Return width of plottable region. |
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159 | void setPaperWidth(float f); ///< Set width of plottable region. |
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160 | float getPaperHeight(); ///< Return height of plottable region. |
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161 | void setPaperHeight(float f); ///< Set height of plottable region. |
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162 | void goToPlot(); ///< Goes to the plot when more |
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163 | /// than one are open. |
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164 | |
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165 | private: |
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166 | int numOnPage; ///< Number of spectra to put on one page. |
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167 | int spectraCount; ///< Number of spectra done so far: where on the page? |
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168 | float mainCoords[4]; ///< Boundaries for the main spectrum [inches] |
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169 | float zoomCoords[4]; ///< Boundaries for the zoomed-in spectrum [inches] |
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170 | float mapCoords[4]; ///< Boundaries for the map box [inches] |
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171 | float paperWidth; ///< Width of plottable region of the paper [inches] |
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172 | float paperHeight; ///< Height of plottable region of the paper [inches] |
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173 | int identifier; ///< The identifier code used by cpgslct. |
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174 | |
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175 | }; |
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176 | |
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177 | inline int SpectralPlot::getNumOnPage(){return numOnPage;} |
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178 | inline void SpectralPlot::setNumOnPage(int i){numOnPage=i;} |
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179 | inline float SpectralPlot::getPaperWidth(){return paperWidth;} |
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180 | inline void SpectralPlot::setPaperWidth(float f){paperWidth=f;} |
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181 | inline float SpectralPlot::getPaperHeight(){return paperHeight;} |
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182 | inline void SpectralPlot::setPaperHeight(float f){paperHeight=f;} |
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183 | |
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184 | //*************************************************************************** |
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185 | //*************************************************************************** |
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186 | |
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187 | /** |
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188 | * A class for plotting 2-dimensional maps. |
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189 | * A class to hold the dimensions and set up for the plots used by the |
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190 | * two functions below. |
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191 | * The physical dimensions (in inches) of the plot and the elements |
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192 | * within it are stored, including maximum widths and heights |
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193 | * (so that the plot will fit on an A4 page). |
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194 | * Simple accessor functions are provided to enable access to quantities |
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195 | * needed for pgplot routines. |
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196 | */ |
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197 | class ImagePlot |
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198 | { |
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199 | public: |
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200 | ImagePlot(); ///< Constructor |
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201 | virtual ~ImagePlot(); ///< Destructor |
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202 | ImagePlot(const ImagePlot& p); |
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203 | ImagePlot& operator=(const ImagePlot& p); |
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204 | |
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205 | /** Set up PGPLOT output.*/ |
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206 | int setUpPlot(std::string pgDestination, float x, float y); |
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207 | |
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208 | /** Defines and draws box.*/ |
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209 | void drawMapBox(float x1, float x2, float y1, float y2, |
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210 | std::string xlabel, std::string ylabel); |
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211 | |
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212 | /** Write plot title.*/ |
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213 | void makeTitle(std::string title); |
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214 | |
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215 | float cmToCoord(float cm);///< Converts distance in cm to |
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216 | /// coordinate distance on the plot. |
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217 | float getMargin(); ///< Returns width of margin. |
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218 | float getPaperWidth(); ///< Returns width of paper. |
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219 | float imageWidth(); ///< Returns the calculated total width |
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220 | /// of the image part of the plot |
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221 | /// [inches] |
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222 | float getImageHeight(); ///< Returns height of image [inches] |
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223 | float getAspectRatio(); ///< Returns the aspect ratio of the image. |
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224 | void goToPlot(); ///< Goes to the plot when more than one |
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225 | /// are open |
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226 | |
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227 | private: |
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228 | float paperWidth; ///< Default (maximum) width of "paper" [inches] |
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229 | float maxPaperHeight; ///< Maximum allowed height of paper [inches] |
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230 | float marginWidth; ///< Width allowed for margins around main |
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231 | /// plot (ie. label & numbers) [inches] |
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232 | float wedgeWidth; ///< Width allowed for placement of wedge on |
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233 | /// right-hand side of plot. [inches] |
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234 | float imageRatio; ///< Aspect ratio of the image only |
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235 | /// (ie. y-value range / x-value range). |
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236 | float aspectRatio; ///< Aspect ratio of whole plot. |
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237 | float xdim; ///< Width of main plot, in display units. |
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238 | float ydim; ///< Height of main plot, in display units. |
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239 | int identifier; ///< The identifier code used by cpgslct. |
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240 | }; |
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241 | //---------------------------------------------------------- |
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242 | // Inline ImagePlot functions... |
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243 | //---------------------------------------------------------- |
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244 | |
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245 | inline float ImagePlot::getMargin() {return marginWidth;} |
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246 | inline float ImagePlot::getPaperWidth() {return paperWidth;} |
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247 | inline float ImagePlot::getImageHeight(){return imageWidth()*imageRatio;} |
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248 | inline float ImagePlot::getAspectRatio(){return aspectRatio;} |
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249 | |
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250 | //*************************************************************************** |
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251 | //*************************************************************************** |
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252 | |
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253 | /** |
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254 | * A class for plotting just the image cutouts of individual sources. |
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255 | * This class is designed to hold the dimensions and set up for the |
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256 | * plotting of the cutouts, plus the textual information for each source. |
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257 | * The physical dimensions (in inches) of the plot and the elements |
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258 | * within it are stored, on the assumption that the plot will go on |
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259 | * an A4 page. |
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260 | * Simple accessor functions are provided to enable access to quantities |
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261 | * needed for pgplot routines. |
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262 | */ |
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263 | class CutoutPlot |
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264 | { |
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265 | public: |
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266 | CutoutPlot(); ///< Constructor |
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267 | virtual ~CutoutPlot(); ///< Destructor |
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268 | CutoutPlot(const CutoutPlot& p); |
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269 | CutoutPlot& operator=(const CutoutPlot& p); |
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270 | |
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271 | /** Set up PGPLOT output.*/ |
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272 | int setUpPlot(std::string pgDestination); |
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273 | |
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274 | /** Calculate boundaries for boxes.*/ |
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275 | void calcCoords(); |
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276 | /** Set up the header box */ |
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277 | void gotoHeader(); |
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278 | |
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279 | /** Write first line of header information (position/velocity |
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280 | info) in correct place.*/ |
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281 | void firstHeaderLine(std::string line); |
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282 | |
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283 | /** Write second line of header information (fluxes) in |
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284 | correct place.*/ |
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285 | void secondHeaderLine(std::string line); |
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286 | |
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287 | /** Write third line of header information (WCS widths) in |
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288 | correct place. */ |
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289 | void thirdHeaderLine(std::string line); |
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290 | |
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291 | /** Write fourth line of header information (pixel coordinates) in |
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292 | correct place. */ |
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293 | void fourthHeaderLine(std::string line); |
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294 | |
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295 | /** Defines the region for the moment map.*/ |
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296 | void gotoMap(); |
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297 | |
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298 | /** Goes to the plot when more than one are open.*/ |
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299 | void goToPlot(); |
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300 | |
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301 | /** Return the number of objects that go on a page. */ |
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302 | int getNumOnPage(){return numOnPage;} |
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303 | /** Set number of objects that go on a page.*/ |
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304 | void setNumOnPage(int i){numOnPage=i;} |
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305 | |
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306 | /** Return width of plottable region.*/ |
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307 | float getPaperWidth(){return paperWidth;} |
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308 | /** Set width of plottable region.*/ |
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309 | void setPaperWidth(float f){paperWidth=f;} |
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310 | /** Return height of plottable region.*/ |
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311 | float getPaperHeight(){return paperHeight;} |
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312 | /** Set height of plottable region.*/ |
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313 | void setPaperHeight(float f){paperHeight=f;} |
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314 | |
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315 | private: |
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316 | int numOnPage; ///< Number of sources to put on one page. |
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317 | int sourceCount; ///< Number of sources done so far: where on the page? |
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318 | float mainCoords[4]; ///< Boundaries for the main spectrum [inches] |
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319 | float mapCoords[4]; ///< Boundaries for the map box [inches] |
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320 | float paperWidth; ///< Width of plottable region of the paper [inches] |
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321 | float paperHeight; ///< Height of plottable region of the paper [inches] |
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322 | int identifier; ///< The identifier code used by cpgslct. |
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323 | |
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324 | }; |
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325 | |
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326 | |
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327 | } |
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328 | |
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329 | } |
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330 | |
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331 | #endif |
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332 | |
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