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1 ## Copyright (C) 2005, 2007 John W. Eaton |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 3 of the License, or (at |
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8 ## your option) any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## Undocumented internal function. |
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20 |
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21 ## Author: jwe |
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22 |
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23 function __go_draw_axes__ (h, plot_stream) |
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24 |
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25 if (nargin == 2) |
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26 |
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27 axis_obj = get (h); |
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28 |
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29 parent_figure_obj = get (axis_obj.parent); |
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30 |
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31 persistent have_newer_gnuplot ... |
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32 = compare_versions (__gnuplot_version__ (), "4.0", ">"); |
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33 |
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34 ## Set axis properties here? |
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35 |
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36 if (! isempty (axis_obj.outerposition)) |
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37 pos = axis_obj.outerposition; |
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38 fprintf (plot_stream, "set origin %.15g, %.15g;\n", pos(1), pos(2)); |
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39 fprintf (plot_stream, "set size %.15g, %.15g;\n", pos(3), pos(4)); |
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40 endif |
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41 |
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42 if (! isempty (axis_obj.position)) |
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43 pos = axis_obj.position; |
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44 fprintf (plot_stream, "set origin %.15g, %.15g;\n", pos(1), pos(2)); |
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45 fprintf (plot_stream, "set size %.15g, %.15g;\n", pos(3), pos(4)); |
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46 endif |
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47 |
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48 if (strcmpi (axis_obj.dataaspectratiomode, "manual")) |
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49 r = axis_obj.dataaspectratio; |
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50 fprintf (plot_stream, "set size ratio %.15g;\n", -r(2)/r(1)); |
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51 else |
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52 fputs (plot_stream, "set size noratio;\n"); |
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53 endif |
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54 |
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55 fputs (plot_stream, "unset label;\n"); |
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56 |
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57 if (! isempty (axis_obj.title)) |
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58 t = get (axis_obj.title); |
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59 if (isempty (t.string)) |
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60 fputs (plot_stream, "unset title;\n"); |
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61 else |
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62 fprintf (plot_stream, "set title \"%s\";\n", |
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63 undo_string_escapes (t.string)); |
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64 endif |
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65 endif |
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66 |
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67 if (! isempty (axis_obj.xlabel)) |
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68 t = get (axis_obj.xlabel); |
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69 angle = t.rotation; |
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70 if (isempty (t.string)) |
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71 fputs (plot_stream, "unset xlabel;\n"); |
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72 else |
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73 fprintf (plot_stream, "set xlabel \"%s\"", |
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74 undo_string_escapes (t.string)); |
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75 if (have_newer_gnuplot) |
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76 ## Rotation of xlabel not yet support by gnuplot as of 4.2, but |
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77 ## there is no message about it. |
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78 fprintf (plot_stream, " rotate by %f", angle); |
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79 endif |
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80 fputs (plot_stream, ";\n"); |
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81 endif |
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82 endif |
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83 |
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84 if (! isempty (axis_obj.ylabel)) |
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85 t = get (axis_obj.ylabel); |
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86 angle = t.rotation; |
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87 if (isempty (t.string)) |
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88 fputs (plot_stream, "unset ylabel;\n"); |
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89 else |
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90 fprintf (plot_stream, "set ylabel \"%s\"", |
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91 undo_string_escapes (t.string)); |
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92 if (have_newer_gnuplot) |
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93 fprintf (plot_stream, " rotate by %f;\n", angle); |
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94 endif |
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95 fputs (plot_stream, ";\n"); |
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96 endif |
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97 endif |
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98 |
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99 if (! isempty (axis_obj.zlabel)) |
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100 t = get (axis_obj.zlabel); |
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101 angle = t.rotation; |
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102 if (isempty (t.string)) |
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103 fputs (plot_stream, "unset zlabel;\n"); |
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104 else |
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105 fprintf (plot_stream, "set zlabel \"%s\"", |
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106 undo_string_escapes (t.string)); |
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107 if (have_newer_gnuplot) |
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108 ## Rotation of zlabel not yet support by gnuplot as of 4.2, but |
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109 ## there is no message about it. |
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110 fprintf (plot_stream, " rotate by %f;\n", angle); |
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111 endif |
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112 fputs (plot_stream, ";\n"); |
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113 endif |
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114 endif |
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115 |
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116 if (strcmpi (axis_obj.xaxislocation, "top")) |
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117 xaxisloc = "x2"; |
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118 xaxisloc_using = "x2"; |
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119 else |
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120 xaxisloc = "x"; |
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121 xaxisloc_using = "x1"; |
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122 endif |
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123 if (strcmpi (axis_obj.yaxislocation, "right")) |
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124 yaxisloc = "y2"; |
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125 yaxisloc_using = "y2"; |
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126 else |
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127 yaxisloc = "y"; |
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128 yaxisloc_using = "y1"; |
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129 endif |
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130 |
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131 if (strcmpi (axis_obj.xgrid, "on")) |
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132 fprintf (plot_stream, "set grid %stics;\n", xaxisloc); |
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133 else |
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134 fprintf (plot_stream, "set grid no%stics;\n", xaxisloc); |
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135 endif |
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136 |
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137 if (strcmpi (axis_obj.ygrid, "on")) |
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138 fprintf (plot_stream, "set grid %stics;\n", yaxisloc); |
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139 else |
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140 fprintf (plot_stream, "set grid no%stics;\n", yaxisloc); |
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141 endif |
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142 |
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143 if (strcmpi (axis_obj.zgrid, "on")) |
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144 fputs (plot_stream, "set grid ztics;\n"); |
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145 else |
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146 fputs (plot_stream, "set grid noztics;\n"); |
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147 endif |
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148 |
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149 if (strcmpi (axis_obj.xminorgrid, "on")) |
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150 fprintf (plot_stream, "set m%stics 5;\n", xaxisloc); |
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151 fprintf (plot_stream, "set grid m%stics;\n", xaxisloc); |
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152 else |
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153 fprintf (plot_stream, "set grid nom%stics;\n", xaxisloc); |
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154 endif |
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155 |
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156 if (strcmpi (axis_obj.yminorgrid, "on")) |
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157 fprintf (plot_stream, "set m%stics 5;\n", yaxisloc); |
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158 fprintf (plot_stream, "set grid m%stics;\n", yaxisloc); |
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159 else |
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160 fprintf (plot_stream, "set grid nom%stics;\n", yaxisloc); |
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161 endif |
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162 |
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163 if (strcmpi (axis_obj.zminorgrid, "on")) |
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164 fputs (plot_stream, "set mztics 5;\n"); |
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165 fputs (plot_stream, "set grid mztics;\n"); |
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166 else |
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167 fputs (plot_stream, "set grid nomztics;\n"); |
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168 endif |
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169 |
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170 do_tics (axis_obj, plot_stream); |
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171 |
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172 xlogscale = strcmpi (axis_obj.xscale, "log"); |
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173 if (xlogscale) |
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174 fprintf (plot_stream, "set logscale %s;\n", xaxisloc); |
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175 else |
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176 fprintf (plot_stream, "unset logscale %s;\n", xaxisloc); |
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177 endif |
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178 |
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179 ylogscale = strcmpi (axis_obj.yscale, "log"); |
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180 if (ylogscale) |
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181 fprintf (plot_stream, "set logscale %s;\n", yaxisloc); |
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182 else |
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183 fprintf (plot_stream, "unset logscale %s;\n", yaxisloc); |
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184 endif |
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185 |
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186 zlogscale = strcmpi (axis_obj.zscale, "log"); |
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187 if (zlogscale) |
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188 fputs (plot_stream, "set logscale z;\n"); |
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189 else |
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190 fputs (plot_stream, "unset logscale z;\n"); |
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191 endif |
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192 |
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193 xautoscale = strcmpi (axis_obj.xlimmode, "auto"); |
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194 yautoscale = strcmpi (axis_obj.ylimmode, "auto"); |
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195 zautoscale = strcmpi (axis_obj.zlimmode, "auto"); |
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196 cautoscale = strcmpi (axis_obj.climmode, "auto"); |
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197 |
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198 kids = axis_obj.children; |
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199 |
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200 nd = 0; |
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201 data_idx = 0; |
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202 data = cell (); |
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203 is_image_data = []; |
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204 hidden_removal = true; |
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205 |
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206 xminp = yminp = zminp = cminp = Inf; |
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207 xmax = ymax = zmax = cmax = -Inf; |
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208 xmin = ymin = zmin = cmin = Inf; |
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209 |
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210 [view_cmd, view_fcn, view_zoom] = image_viewer (); |
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211 use_gnuplot_for_images = (ischar (view_fcn) |
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212 && strcmp (view_fcn, "gnuplot_internal")); |
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213 |
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214 ximg_data = {}; |
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215 ximg_data_idx = 0; |
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216 |
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217 for i = 1:length (kids) |
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218 |
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219 obj = get (kids(i)); |
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220 |
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221 switch (obj.type) |
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222 case "image" |
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223 ## FIXME - Is there a better way to determine if the plot |
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224 ## command should be "plot" or "splot"????? Could have images |
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225 ## projected into 3D so there is really no reason to limit |
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226 ## this. |
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227 if (nd == 0) |
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228 nd = 2; |
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229 endif |
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230 |
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231 img_data = obj.cdata; |
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232 img_colormap = parent_figure_obj.colormap; |
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233 img_xdata = obj.xdata; |
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234 img_ydata = obj.ydata; |
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235 |
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236 if (use_gnuplot_for_images) |
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237 |
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238 data_idx++; |
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239 is_image_data(data_idx) = true; |
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240 parametric(data_idx) = false; |
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241 have_cdata(data_idx) = false; |
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242 |
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243 [y_dim, x_dim] = size (img_data(:,:,1)); |
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244 if (x_dim > 1) |
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245 dx = abs (img_xdata(2)-img_xdata(1))/(x_dim-1); |
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246 else |
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247 dx = 1; |
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248 endif |
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249 if (y_dim > 1) |
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250 dy = abs (img_ydata(2)-img_ydata(1))/(y_dim-1); |
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251 else |
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252 dy = 1; |
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253 endif |
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254 x_origin = min (img_xdata); |
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255 y_origin = min (img_ydata); |
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256 |
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257 if (nd == 2) |
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258 if (xautoscale) |
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259 xmin = min (xmin, min (img_xdata) - dx/2); |
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260 xmax = max (xmax, max (img_xdata) + dx/2); |
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261 xminp = min (xminp, min (img_xdata((img_xdata - dx/2)>0)) - dx/2); |
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262 endif |
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263 if (yautoscale) |
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264 ymin = min (ymin, min (img_ydata) - dy/2); |
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265 ymax = max (ymax, max (img_ydata) + dy/2); |
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266 yminp = min (yminp, min (img_ydata((img_ydata - dy/2)>0)) - dy/2); |
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267 endif |
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268 else |
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269 ## Can have images in 3D, but the image routines don't seem |
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270 ## to have a means of arbitrary projection. |
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271 endif |
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272 |
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273 if (ndims (img_data) == 3) |
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274 data{data_idx} = permute (img_data, [3, 1, 2])(:); |
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275 format = "1:2:3"; |
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276 imagetype = "rgbimage"; |
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277 else |
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278 data{data_idx} = img_data(:); |
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279 format = "1"; |
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280 imagetype = "image"; |
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281 |
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282 palette_size = rows (img_colormap); |
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283 fprintf (plot_stream, |
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284 "set palette positive color model RGB maxcolors %i;\n", |
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285 palette_size); |
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286 fprintf (plot_stream, |
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287 "set palette file \"-\" binary record=%d using 1:2:3:4;\n", |
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288 palette_size); |
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289 fwrite (plot_stream, [1:palette_size; img_colormap'], "float32"); |
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290 endif |
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291 |
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292 titlespec{data_idx} = "title \"\""; |
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293 usingclause{data_idx} = sprintf ("binary array=%dx%d scan=yx origin=(%.15g,%.15g) dx=%.15g dy=%.15g using %s", |
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294 x_dim, y_dim, x_origin, y_origin, dx, dy, format); |
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295 withclause{data_idx} = sprintf ("with %s", imagetype); |
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296 |
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297 else |
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298 ximg_data{++ximg_data_idx} = img_data; |
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299 endif |
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300 |
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301 case "line" |
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302 if (strncmp (obj.linestyle, "none", 4) |
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303 && (! isfield (obj, "marker") |
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304 || (isfield (obj, "marker") |
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305 && strncmp (obj.marker, "none", 4)))) |
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306 continue; |
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307 endif |
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308 data_idx++; |
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309 is_image_data(data_idx) = false; |
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310 parametric(data_idx) = true; |
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311 have_cdata(data_idx) = false; |
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312 if (isempty (obj.keylabel)) |
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313 titlespec{data_idx} = "title \"\""; |
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314 else |
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315 tmp = undo_string_escapes (obj.keylabel); |
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316 titlespec{data_idx} = strcat ("title \"", tmp, "\""); |
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317 endif |
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318 [style, typ, with] = do_linestyle_command (obj, data_idx, plot_stream); |
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319 usingclause{data_idx} = ""; |
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320 if (have_newer_gnuplot || isnan (typ)) |
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321 withclause{data_idx} = sprintf ("with %s linestyle %d", |
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322 style, data_idx); |
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323 else |
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324 withclause{data_idx} = sprintf ("with %s linetype %d", |
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325 style, typ); |
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326 endif |
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327 if (! isempty (obj.zdata)) |
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328 nd = 3; |
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329 xdat = obj.xdata(:); |
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330 ydat = obj.ydata(:); |
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331 zdat = obj.zdata(:); |
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332 |
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333 if (xautoscale) |
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334 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xdat); |
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335 endif |
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336 if (yautoscale) |
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337 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ydat); |
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338 endif |
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339 if (zautoscale) |
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340 [zmin, zmax, zminp] = get_data_limits (zmin, zmax, zminp, zdat); |
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341 endif |
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342 data{data_idx} = [xdat, ydat, zdat]'; |
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343 usingclause{data_idx} = "using ($1):($2):($3)"; |
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344 fputs (plot_stream, "set parametric;\n"); |
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345 fputs (plot_stream, "set style data lines;\n"); |
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346 fputs (plot_stream, "set surface;\n"); |
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347 fputs (plot_stream, "unset contour;\n"); |
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348 else |
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349 nd = 2; |
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350 xdat = obj.xdata(:); |
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351 ydat = obj.ydata(:); |
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352 ldat = obj.ldata; |
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353 yerr = xerr = false; |
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354 if (! isempty (ldat)) |
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355 yerr = true; |
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356 ldat = ldat(:); |
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357 endif |
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358 udat = obj.udata; |
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359 if (! isempty (udat)) |
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360 udat = udat(:); |
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361 endif |
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362 xldat = obj.xldata; |
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363 if (! isempty (xldat)) |
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364 xerr = true; |
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365 xldat = xldat(:); |
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366 endif |
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367 xudat = obj.xudata; |
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368 if (! isempty (xudat)) |
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369 xudat = xudat(:); |
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370 endif |
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371 if (yerr) |
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372 ylo = ydat-ldat; |
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373 yhi = ydat+udat; |
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374 if (yautoscale) |
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375 ty = [ydat; ylo; yhi]; |
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376 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ty); |
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377 endif |
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378 if (xerr) |
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379 xlo = xdat-xldat; |
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380 xhi = xdat+xudat; |
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381 if (xautoscale) |
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382 tx = [xdat; xlo; xhi]; |
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383 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, tx); |
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384 endif |
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385 data{data_idx} = [xdat, ydat, xlo, xhi, ylo, yhi]'; |
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386 usingclause{data_idx} = "using ($1):($2):($3):($4):($5):($6)"; |
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387 withclause{data_idx} = "with xyerrorbars"; |
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388 else |
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6736
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389 ## Obtain the limits based on the exact x values. |
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390 if (xautoscale) |
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391 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, |
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392 xminp, xdat); |
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6405
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393 endif |
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394 data{data_idx} = [xdat, ydat, ylo, yhi]'; |
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395 usingclause{data_idx} = "using ($1):($2):($3):($4)"; |
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396 withclause{data_idx} = "with yerrorbars"; |
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6405
|
397 endif |
|
|
398 elseif (xerr) |
|
|
399 xlo = xdat-xldat; |
|
|
400 xhi = xdat+xudat; |
|
|
401 if (xautoscale) |
|
|
402 tx = [xdat; xlo; xhi]; |
|
6453
|
403 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, tx); |
|
6405
|
404 endif |
|
|
405 if (yautoscale) |
|
6453
|
406 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, |
|
|
407 yminp, ydat, ty); |
|
6405
|
408 endif |
|
|
409 data{data_idx} = [xdat, ydat, xlo, xhi]'; |
|
|
410 usingclause{data_idx} = "using ($1):($2):($3):($4)"; |
|
6908
|
411 withclause{data_idx} = "with xerrorbars"; |
|
6405
|
412 else |
|
|
413 if (xautoscale) |
|
6453
|
414 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xdat); |
|
6405
|
415 endif |
|
|
416 if (yautoscale) |
|
6453
|
417 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ydat); |
|
6405
|
418 endif |
|
|
419 data{data_idx} = [xdat, ydat]'; |
|
6809
|
420 usingclause{data_idx} = sprintf ("using ($1):($2) axes %s%s", |
|
|
421 xaxisloc_using, yaxisloc_using); |
|
6405
|
422 endif |
|
|
423 endif |
|
6465
|
424 if (! (have_newer_gnuplot || isempty (with))) |
|
|
425 if (isempty (withclause{data_idx})) |
|
6809
|
426 withclause{data_idx} = sprintf ("with %s", with); |
|
6465
|
427 else |
|
6809
|
428 withclause{data_idx} = sprintf ("%s %s", withclause{data_idx}, |
|
|
429 with); |
|
6465
|
430 endif |
|
|
431 endif |
|
6405
|
432 |
|
6790
|
433 case "patch" |
|
6885
|
434 if (! isempty (obj.zdata)) |
|
|
435 warning ("gnuplot (as of v4.2) supports only 2D patches, ignoring z values") |
|
|
436 endif |
|
|
437 nd = 2; |
|
|
438 cmap = parent_figure_obj.colormap; |
|
|
439 clim = axis_obj.clim; |
|
7020
|
440 [nr, nc] = size (obj.xdata); |
|
|
441 |
|
|
442 for i = 1 : nc |
|
|
443 xcol = obj.xdata(:,i); |
|
|
444 ycol = obj.ydata(:,i); |
|
|
445 |
|
|
446 if (xautoscale) |
|
|
447 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xcol); |
|
|
448 endif |
|
|
449 if (yautoscale) |
|
|
450 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ycol); |
|
|
451 endif |
|
|
452 |
|
|
453 if (! isnan (xcol) && ! isnan (ycol)) |
|
|
454 ## Is the patch closed or not |
|
|
455 data_idx++; |
|
|
456 is_image_data(data_idx) = false; |
|
|
457 parametric(data_idx) = false; |
|
7119
|
458 have_cdata(data_idx) = false; |
|
7148
|
459 if (i > 1 || isempty (obj.keylabel)) |
|
|
460 titlespec{data_idx} = "title \"\""; |
|
|
461 else |
|
|
462 tmp = undo_string_escapes (obj.keylabel); |
|
|
463 titlespec{data_idx} = strcat ("title \"", tmp, "\""); |
|
|
464 endif |
|
7020
|
465 usingclause{data_idx} = ""; |
|
|
466 if (isfield (obj, "facecolor") && isfield (obj, "cdata")) |
|
|
467 if (strncmp (obj.facecolor, "none", 4)) |
|
|
468 color = [1, 1, 1]; |
|
6885
|
469 |
|
7119
|
470 elseif (strncmp (obj.facecolor, "flat", 4) |
|
|
471 || strncmp (obj.facecolor, "interp", 6)) |
|
|
472 if (ndims (obj.cdata) == 2 |
|
|
473 && ((nr > 3 && size (obj.cdata, 2) == nc) |
|
|
474 || (size (obj.cdata, 1) > 1 |
|
|
475 && size (obj.cdata, 2) == nc))) |
|
7020
|
476 ccol = obj.cdata (:, i); |
|
|
477 elseif (ndims (obj.cdata) == 3) |
|
|
478 ccol = permute (obj.cdata (:, i, :), [1, 3, 2]); |
|
|
479 else |
|
|
480 ccol = obj.cdata; |
|
|
481 endif |
|
|
482 if (strncmp (obj.facecolor, "flat", 4)) |
|
|
483 if (numel(ccol) == 3) |
|
|
484 color = ccol; |
|
|
485 else |
|
7119
|
486 r = 1 + round ((size (cmap, 1) - 1) |
|
|
487 * (ccol - clim(1))/(clim(2) - clim(1))); |
|
7020
|
488 r = max (1, min (r, size (cmap, 1))); |
|
|
489 color = cmap(r, :); |
|
|
490 endif |
|
|
491 elseif (strncmp (obj.facecolor, "interp", 6)) |
|
|
492 warning ("\"interp\" not supported, using 1st entry of cdata") |
|
|
493 r = 1 + round ((size (cmap, 1) - 1) * ccol(1)); |
|
|
494 r = max (1, min (r, size (cmap, 1))); |
|
|
495 color = cmap(r,:); |
|
|
496 endif |
|
|
497 else |
|
|
498 color = obj.facecolor; |
|
|
499 endif |
|
|
500 else |
|
|
501 color = [0, 1, 0]; |
|
|
502 endif |
|
6790
|
503 |
|
7020
|
504 if (have_newer_gnuplot) |
|
7119
|
505 withclause{data_idx} ... |
|
|
506 = sprintf ("with filledcurve lc rgb \"#%02x%02x%02x\"", |
|
|
507 round (255*color)); |
|
7020
|
508 else |
|
|
509 if (isequal (color, [0,0,0])) |
|
|
510 typ = -1; |
|
|
511 elseif (isequal (color, [1,0,0])) |
|
|
512 typ = 1; |
|
|
513 elseif (isequal (color, [0,1,0])) |
|
|
514 typ = 2; |
|
|
515 elseif (isequal (color, [0,0,1])) |
|
|
516 typ = 3; |
|
|
517 elseif (isequal (color, [1,0,1])) |
|
|
518 typ = 4; |
|
|
519 elseif (isequal (color, [0,1,1])) |
|
|
520 typ = 5; |
|
|
521 elseif (isequal (color, [1,1,1])) |
|
|
522 typ = -1; |
|
|
523 elseif (isequal (color, [1,1,0])) |
|
|
524 typ = 7; |
|
|
525 else |
|
|
526 typ = -1; |
|
|
527 endif |
|
|
528 withclause{data_idx} = sprintf ("with filledcurve lt %d", typ); |
|
|
529 endif |
|
|
530 data{data_idx} = [xcol, ycol]'; |
|
|
531 usingclause{data_idx} = "using ($1):($2)"; |
|
|
532 endif |
|
6790
|
533 |
|
7020
|
534 ## patch outline |
|
|
535 data_idx++; |
|
|
536 is_image_data(data_idx) = false; |
|
|
537 parametric(data_idx) = false; |
|
7119
|
538 have_cdata(data_idx) = false; |
|
7020
|
539 titlespec{data_idx} = "title \"\""; |
|
|
540 usingclause{data_idx} = ""; |
|
|
541 if (isfield (obj, "edgecolor")) |
|
|
542 if (strncmp (obj.edgecolor, "none", 4)) |
|
|
543 color = [1, 1, 1]; |
|
|
544 elseif (strncmp (obj.edgecolor, "flat", 4)) |
|
|
545 warning ("\"flat\" for edgecolor not supported"); |
|
|
546 color = [0, 0, 0]; |
|
|
547 elseif (strncmp (obj.edgecolor, "interp", 6)) |
|
|
548 warning ("\"interp\" for edgecolor not supported"); |
|
|
549 color = [0, 0, 0]; |
|
|
550 else |
|
|
551 color = obj.edgecolor; |
|
|
552 endif |
|
|
553 else |
|
6790
|
554 color = [0, 0, 0]; |
|
|
555 endif |
|
7020
|
556 if (have_newer_gnuplot) |
|
7119
|
557 withclause{data_idx} ... |
|
|
558 = sprintf ("with lines lc rgb \"#%02x%02x%02x\"", |
|
|
559 round (255*color)); |
|
6885
|
560 else |
|
7020
|
561 if (isequal (color, [0,0,0])) |
|
|
562 typ = -1; |
|
|
563 elseif (isequal (color, [1,0,0])) |
|
|
564 typ = 1; |
|
|
565 elseif (isequal (color, [0,1,0])) |
|
|
566 typ = 2; |
|
|
567 elseif (isequal (color, [0,0,1])) |
|
|
568 typ = 3; |
|
|
569 elseif (isequal (color, [1,0,1])) |
|
|
570 typ = 4; |
|
|
571 elseif (isequal (color, [0,1,1])) |
|
|
572 typ = 5; |
|
|
573 elseif (isequal (color, [1,1,1])) |
|
|
574 typ = -1; |
|
|
575 elseif (isequal (color, [1,1,0])) |
|
|
576 typ = 7; |
|
|
577 else |
|
|
578 typ = -1; |
|
|
579 endif |
|
|
580 withclause{data_idx} = sprintf ("with lines lt %d", typ); |
|
6885
|
581 endif |
|
6790
|
582 |
|
7119
|
583 if (!isnan (xcol) && ! isnan (ycol)) |
|
7020
|
584 data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)]]'; |
|
|
585 else |
|
|
586 data{data_idx} = [xcol, ycol]'; |
|
|
587 endif |
|
|
588 usingclause{data_idx} = "using ($1):($2)"; |
|
|
589 endfor |
|
6790
|
590 |
|
6405
|
591 case "surface" |
|
7119
|
592 nd = 3; |
|
7110
|
593 if (! (strncmp (obj.edgecolor, "none", 4) |
|
|
594 && strncmp (obj.facecolor, "none", 4))) |
|
7109
|
595 data_idx++; |
|
|
596 is_image_data(data_idx) = false; |
|
|
597 parametric(data_idx) = false; |
|
7119
|
598 have_cdata(data_idx) = true; |
|
7109
|
599 [style, typ, with] = do_linestyle_command (obj, data_idx, plot_stream); |
|
|
600 if (isempty (obj.keylabel)) |
|
|
601 titlespec{data_idx} = "title \"\""; |
|
|
602 else |
|
|
603 tmp = undo_string_escapes (obj.keylabel); |
|
|
604 titlespec{data_idx} = strcat ("title \"", tmp, "\""); |
|
|
605 endif |
|
|
606 usingclause{data_idx} = ""; |
|
|
607 if (have_newer_gnuplot || isnan (typ)) |
|
|
608 withclause{data_idx} = sprintf ("with %s linestyle %d", |
|
|
609 style, data_idx); |
|
6405
|
610 else |
|
7109
|
611 withclause{data_idx} = sprintf ("with %s linetype %d %s", |
|
|
612 style, typ, with); |
|
|
613 endif |
|
|
614 |
|
|
615 xdat = obj.xdata; |
|
|
616 ydat = obj.ydata; |
|
|
617 zdat = obj.zdata; |
|
|
618 cdat = obj.cdata; |
|
7110
|
619 |
|
7109
|
620 if (xautoscale) |
|
|
621 tx = xdat(:); |
|
|
622 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, tx); |
|
|
623 endif |
|
|
624 if (yautoscale) |
|
|
625 ty = ydat(:); |
|
|
626 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ty); |
|
|
627 endif |
|
|
628 if (zautoscale) |
|
|
629 tz = zdat(:); |
|
|
630 [zmin, zmax, zminp] = get_data_limits (zmin, zmax, zminp, tz); |
|
6405
|
631 endif |
|
7109
|
632 if (cautoscale) |
|
|
633 tc = cdat(:); |
|
|
634 [cmin, cmax, cminp] = get_data_limits (cmin, cmax, cminp, tc); |
|
|
635 endif |
|
|
636 |
|
|
637 err = false; |
|
|
638 if (! size_equal(zdat, cdat)) |
|
6405
|
639 err = true; |
|
7109
|
640 endif |
|
|
641 if (isvector (xdat) && isvector (ydat) && ismatrix (zdat)) |
|
7110
|
642 if (rows (zdat) == length (ydat) |
|
|
643 && columns (zdat) == length (xdat)) |
|
7109
|
644 [xdat, ydat] = meshgrid (xdat, ydat); |
|
|
645 else |
|
|
646 err = true; |
|
|
647 endif |
|
|
648 elseif (ismatrix (xdat) && ismatrix (ydat) && ismatrix (zdat)) |
|
|
649 if (! (size_equal (xdat, ydat) && size_equal (xdat, zdat))) |
|
|
650 err = true; |
|
|
651 endif |
|
|
652 else |
|
|
653 err = true; |
|
|
654 endif |
|
|
655 if (err) |
|
|
656 error ("__go_draw_axes__: invalid grid data"); |
|
6405
|
657 endif |
|
7109
|
658 xlen = columns (zdat); |
|
|
659 ylen = rows (zdat); |
|
|
660 if (xlen == columns (xdat) && xlen == columns (ydat) |
|
|
661 && ylen == rows (xdat) && ylen == rows (ydat)) |
|
|
662 len = 4 * xlen; |
|
|
663 zz = zeros (ylen, len); |
|
|
664 k = 1; |
|
|
665 for kk = 1:4:len |
|
|
666 zz(:,kk) = xdat(:,k); |
|
|
667 zz(:,kk+1) = ydat(:,k); |
|
|
668 zz(:,kk+2) = zdat(:,k); |
|
|
669 zz(:,kk+3) = cdat(:,k); |
|
|
670 k++; |
|
|
671 endfor |
|
|
672 data{data_idx} = zz; |
|
|
673 endif |
|
|
674 usingclause{data_idx} = "using ($1):($2):($3):($4)"; |
|
|
675 withclause{data_idx} = "with line palette"; |
|
|
676 |
|
|
677 fputs (plot_stream, "unset parametric;\n"); |
|
|
678 fputs (plot_stream, "set style data lines;\n"); |
|
|
679 fputs (plot_stream, "set surface;\n"); |
|
|
680 fputs (plot_stream, "unset contour;\n"); |
|
|
681 fprintf (plot_stream, "set cbrange [%g:%g];\n", cmin, cmax); |
|
|
682 |
|
7119
|
683 ## Interpolation does not work for flat surfaces (e.g. pcolor) |
|
|
684 ## and color mapping --> currently set empty. |
|
|
685 interp_str = ""; |
|
|
686 surf_colormap = parent_figure_obj.colormap; |
|
|
687 flat_interp_face = (strncmp (obj.facecolor, "flat", 4) |
|
|
688 || strncmp (obj.facecolor, "interp", 6)); |
|
|
689 flat_interp_edge = (strncmp (obj.edgecolor, "flat", 4) |
|
|
690 || strncmp (obj.edgecolor, "interp", 6)); |
|
|
691 palette_data = []; |
|
|
692 |
|
7149
|
693 if (strncmp (obj.facecolor, "none", 4)) |
|
|
694 hidden_removal = false; |
|
|
695 endif |
|
|
696 |
|
7119
|
697 if (flat_interp_face |
|
7149
|
698 || (flat_interp_edge |
|
|
699 && (strncmp (obj.facecolor, "none", 4) |
|
|
700 || (isnumeric (obj.facecolor) |
|
|
701 && all (obj.facecolor == 1))))) |
|
7119
|
702 palette_data = [1:rows(surf_colormap); surf_colormap']; |
|
|
703 endif |
|
7109
|
704 |
|
7119
|
705 if (isnumeric (obj.facecolor)) |
|
|
706 palette_data = [1:2; [obj.facecolor; obj.facecolor]']; |
|
|
707 endif |
|
7109
|
708 |
|
7149
|
709 |
|
|
710 if ((strncmp (obj.facecolor, "none", 4) |
|
|
711 || (isnumeric (obj.facecolor) |
|
|
712 && all (obj.facecolor == 1))) |
|
7119
|
713 && isnumeric (obj.edgecolor)) |
|
|
714 palette_data = [1:2; [obj.edgecolor; obj.edgecolor]']; |
|
|
715 endif |
|
7109
|
716 |
|
7149
|
717 if (strncmp (obj.facecolor, "none", 4) |
|
|
718 || (isnumeric (obj.facecolor) && all (obj.facecolor == 1))) |
|
7119
|
719 elseif (flat_interp_face && strncmp (obj.edgecolor, "flat", 4)) |
|
|
720 fprintf (plot_stream, "set pm3d at s %s;\n", interp_str); |
|
|
721 else |
|
|
722 if (strncmp (obj.edgecolor, "none", 4)) |
|
7110
|
723 fprintf (plot_stream, "set pm3d at s %s;\n", interp_str); |
|
7109
|
724 else |
|
7119
|
725 edgecol = obj.edgecolor; |
|
|
726 if (ischar (obj.edgecolor)) |
|
|
727 edgecol = [0,0,0]; |
|
|
728 endif |
|
|
729 fprintf (plot_stream, "set pm3d at s hidden3d %d %s;\n", data_idx, interp_str); |
|
|
730 |
|
|
731 if (have_newer_gnuplot) |
|
7110
|
732 fprintf (plot_stream, |
|
|
733 "set style line %d linecolor rgb \"#%02x%02x%02x\" lw %f;\n", |
|
7109
|
734 data_idx, round (255*edgecol), obj.linewidth); |
|
7119
|
735 else |
|
|
736 if (isequal (edgecol, [0,0,0])) |
|
|
737 typ = -1; |
|
|
738 elseif (isequal (edgecol, [1,0,0])) |
|
|
739 typ = 1; |
|
|
740 elseif (isequal (edgecol, [0,1,0])) |
|
|
741 typ = 2; |
|
|
742 elseif (isequal (edgecol, [0,0,1])) |
|
|
743 typ = 3; |
|
|
744 elseif (isequal (edgecol, [1,0,1])) |
|
|
745 typ = 4; |
|
|
746 elseif (isequal (edgecol, [0,1,1])) |
|
|
747 typ = 5; |
|
|
748 elseif (isequal (edgecol, [1,1,1])) |
|
|
749 typ = -1; |
|
|
750 elseif (isequal (edgecol, [1,1,0])) |
|
|
751 typ = 7; |
|
|
752 else |
|
|
753 typ = -1; |
|
|
754 endif |
|
|
755 fprintf (plot_stream, |
|
|
756 "set style line %d lt %d lw %f;\n", |
|
|
757 data_idx, typ, obj.linewidth); |
|
|
758 endif |
|
7109
|
759 endif |
|
7119
|
760 endif |
|
7109
|
761 |
|
7119
|
762 if (have_newer_gnuplot) |
|
7109
|
763 if (length(palette_data) > 0) |
|
|
764 fprintf (plot_stream, |
|
|
765 "set palette positive color model RGB maxcolors %i;\n", |
|
|
766 columns(palette_data)); |
|
|
767 fprintf (plot_stream, |
|
|
768 "set palette file \"-\" binary record=%d using 1:2:3:4;\n", |
|
|
769 columns(palette_data)); |
|
|
770 fwrite (plot_stream, palette_data, "float32"); |
|
|
771 endif |
|
|
772 else |
|
|
773 fputs (plot_stream, "set palette defined (0 \"dark-blue\", 1 \"blue\", 2 \"cyan\", 3 \"yellow\", 4 \"red\" , 5 \"dark-red\");\n"); |
|
|
774 endif |
|
|
775 fputs (plot_stream, "unset colorbox;\n"); |
|
6405
|
776 endif |
|
|
777 |
|
|
778 case "text" |
|
|
779 lpos = obj.position; |
|
|
780 label = obj.string; |
|
|
781 halign = obj.horizontalalignment; |
|
6724
|
782 angle = obj.rotation; |
|
6752
|
783 units = obj.units; |
|
6829
|
784 color = obj.color; |
|
6758
|
785 if (strcmpi (units, "normalized")) |
|
6752
|
786 units = "graph"; |
|
|
787 else |
|
|
788 units = ""; |
|
|
789 endif |
|
|
790 |
|
6829
|
791 if (isnumeric (color)) |
|
|
792 if (have_newer_gnuplot) |
|
|
793 colorspec = sprintf ("textcolor rgb \"#%02x%02x%02x\"", |
|
|
794 round (255*color)); |
|
|
795 else |
|
|
796 if (isequal (color, [0,0,0])) |
|
|
797 typ = -1; |
|
|
798 elseif (isequal (color, [1,0,0])) |
|
|
799 typ = 1; |
|
|
800 elseif (isequal (color, [0,1,0])) |
|
|
801 typ = 2; |
|
|
802 elseif (isequal (color, [0,0,1])) |
|
|
803 typ = 3; |
|
|
804 elseif (isequal (color, [1,0,1])) |
|
|
805 typ = 4; |
|
|
806 elseif (isequal (color, [0,1,1])) |
|
|
807 typ = 5; |
|
|
808 elseif (isequal (color, [1,1,1])) |
|
|
809 typ = -1; |
|
|
810 elseif (isequal (color, [1,1,0])) |
|
|
811 typ = 7; |
|
|
812 else |
|
|
813 typ = -1; |
|
|
814 endif |
|
|
815 colorspec = sprintf ("textcolor lt %d", typ); |
|
|
816 endif |
|
|
817 endif |
|
|
818 |
|
6405
|
819 if (nd == 3) |
|
6724
|
820 fprintf (plot_stream, |
|
6914
|
821 "set label \"%s\" at %s %.15g,%.15g,%.15g %s rotate by %f %s;\n", |
|
6752
|
822 undo_string_escapes (label), units, |
|
6829
|
823 lpos(1), lpos(2), lpos(3), halign, angle, colorspec); |
|
6405
|
824 else |
|
6724
|
825 fprintf (plot_stream, |
|
6914
|
826 "set label \"%s\" at %s %.15g,%.15g %s rotate by %f %s;\n", |
|
6752
|
827 undo_string_escapes (label), units, |
|
6829
|
828 lpos(1), lpos(2), halign, angle, colorspec); |
|
6405
|
829 endif |
|
|
830 |
|
|
831 otherwise |
|
|
832 error ("__go_draw_axes__: unknown object class, %s", |
|
|
833 obj.type); |
|
|
834 endswitch |
|
|
835 |
|
|
836 endfor |
|
|
837 |
|
7149
|
838 if (hidden_removal) |
|
|
839 fputs (plot_stream, "set hidden3d;\n"); |
|
|
840 else |
|
|
841 fputs (plot_stream, "unset hidden3d;\n"); |
|
|
842 endif |
|
|
843 |
|
7123
|
844 have_data = (! (isempty (data) && any (cellfun (@isempty, data)))); |
|
6405
|
845 |
|
|
846 if (xautoscale && have_data) |
|
|
847 xlim = get_axis_limits (xmin, xmax, xminp, xlogscale); |
|
7008
|
848 if (isempty (xlim)) |
|
|
849 return; |
|
|
850 endif |
|
6405
|
851 set (h, "xlim", xlim, "xlimmode", "auto"); |
|
|
852 else |
|
|
853 xlim = axis_obj.xlim; |
|
|
854 endif |
|
6758
|
855 if (strcmpi (axis_obj.xdir, "reverse")) |
|
6405
|
856 xdir = "reverse"; |
|
|
857 else |
|
|
858 xdir = "noreverse"; |
|
|
859 endif |
|
7115
|
860 fprintf (plot_stream, "set %srange [%.15e:%.15e] %s;\n", |
|
|
861 xaxisloc, xlim, xdir); |
|
6405
|
862 |
|
|
863 if (yautoscale && have_data) |
|
|
864 ylim = get_axis_limits (ymin, ymax, yminp, ylogscale); |
|
7008
|
865 if (isempty (ylim)) |
|
|
866 return; |
|
|
867 endif |
|
6405
|
868 set (h, "ylim", ylim, "ylimmode", "auto"); |
|
|
869 else |
|
|
870 ylim = axis_obj.ylim; |
|
|
871 endif |
|
6758
|
872 if (strcmpi (axis_obj.ydir, "reverse")) |
|
6405
|
873 ydir = "reverse"; |
|
|
874 else |
|
|
875 ydir = "noreverse"; |
|
|
876 endif |
|
7110
|
877 fprintf (plot_stream, "set %srange [%.15e:%.15e] %s;\n", |
|
|
878 yaxisloc, ylim, ydir); |
|
6405
|
879 |
|
7119
|
880 if (nd == 3) |
|
6405
|
881 if (zautoscale && have_data) |
|
|
882 zlim = get_axis_limits (zmin, zmax, zminp, zlogscale); |
|
7008
|
883 if (isempty (zlim)) |
|
|
884 return; |
|
|
885 endif |
|
6405
|
886 set (h, "zlim", zlim, "zlimmode", "auto"); |
|
|
887 else |
|
|
888 zlim = axis_obj.zlim; |
|
|
889 endif |
|
6758
|
890 if (strcmpi (axis_obj.zdir, "reverse")) |
|
6405
|
891 zdir = "reverse"; |
|
|
892 else |
|
|
893 zdir = "noreverse"; |
|
|
894 endif |
|
6942
|
895 fprintf (plot_stream, "set zrange [%.15e:%.15e] %s;\n", zlim, zdir); |
|
6405
|
896 endif |
|
7110
|
897 |
|
6758
|
898 if (strcmpi (axis_obj.box, "on")) |
|
7119
|
899 if (nd == 3) |
|
6405
|
900 fputs (plot_stream, "set border 4095;\n"); |
|
|
901 else |
|
|
902 fputs (plot_stream, "set border 431;\n"); |
|
|
903 endif |
|
|
904 else |
|
7119
|
905 if (nd == 3) |
|
6405
|
906 fputs (plot_stream, "set border 895;\n"); |
|
|
907 else |
|
|
908 fputs (plot_stream, "set border 3;\n"); |
|
|
909 fputs (plot_stream, "set xtics nomirror; set ytics nomirror;\n"); |
|
|
910 endif |
|
|
911 endif |
|
|
912 |
|
7060
|
913 if (strcmpi (axis_obj.visible, "off")) |
|
|
914 fputs (plot_stream, "unset border; unset tics\n"); |
|
|
915 endif |
|
|
916 |
|
6758
|
917 if (strcmpi (axis_obj.key, "on")) |
|
|
918 if (strcmpi (axis_obj.keybox, "on")) |
|
6405
|
919 box = "box"; |
|
|
920 else |
|
|
921 box = "nobox"; |
|
|
922 endif |
|
|
923 inout = "inside"; |
|
6977
|
924 keypos = axis_obj.keypos; |
|
|
925 if (ischar (keypos)) |
|
|
926 keypos = lower (keypos); |
|
|
927 keyout = findstr (keypos, "outside"); |
|
|
928 if (! isempty (keyout)) |
|
|
929 inout = "outside"; |
|
7119
|
930 keypos = keypos(1:keyout-1); |
|
6977
|
931 endif |
|
|
932 endif |
|
|
933 switch (keypos) |
|
6405
|
934 case -1 |
|
6977
|
935 pos = "right top"; |
|
6405
|
936 inout = "outside"; |
|
|
937 case 1 |
|
|
938 pos = "right top"; |
|
|
939 case 2 |
|
|
940 pos = "left top"; |
|
|
941 case 3 |
|
|
942 pos = "left bottom"; |
|
6977
|
943 case {4, 0} |
|
6405
|
944 pos = "right bottom"; |
|
6977
|
945 case "north" |
|
|
946 pos = "center top"; |
|
|
947 case "south" |
|
|
948 pos = "center bottom"; |
|
|
949 case "east" |
|
|
950 pos = "right center"; |
|
|
951 case "west" |
|
|
952 pos = "left center"; |
|
|
953 case "northeast" |
|
|
954 pos = "right top"; |
|
|
955 case "northwest" |
|
|
956 pos = "left top"; |
|
|
957 case "southeast" |
|
|
958 pos = "right bottom"; |
|
|
959 case "southwest" |
|
|
960 pos = "left bottom"; |
|
|
961 case "best" |
|
|
962 pos = ""; |
|
|
963 warning ("legend: 'Best' not yet implemented for location specifier.\n"); |
|
|
964 ## least conflict with data in plot |
|
|
965 ## least unused space outside plot |
|
6405
|
966 otherwise |
|
|
967 pos = ""; |
|
|
968 endswitch |
|
|
969 if (! have_newer_gnuplot) |
|
|
970 inout = ""; |
|
|
971 endif |
|
|
972 fprintf (plot_stream, "set key %s %s %s;\n", inout, pos, box); |
|
|
973 else |
|
|
974 fputs (plot_stream, "unset key;\n"); |
|
|
975 endif |
|
|
976 |
|
|
977 fputs (plot_stream, "set style data lines;\n"); |
|
|
978 |
|
|
979 if (! use_gnuplot_for_images) |
|
|
980 for i = 1:ximg_data_idx |
|
|
981 view_fcn (xlim, ylim, ximg_data{i}, view_zoom, view_cmd); |
|
|
982 endfor |
|
|
983 endif |
|
|
984 |
|
|
985 if (have_data) |
|
|
986 |
|
|
987 if (nd == 2) |
|
|
988 plot_cmd = "plot"; |
|
|
989 else |
|
|
990 plot_cmd = "splot"; |
|
|
991 rot_x = 90 - axis_obj.view(2); |
|
|
992 rot_z = axis_obj.view(1); |
|
|
993 while (rot_z < 0) |
|
|
994 rot_z += 360; |
|
|
995 endwhile |
|
6461
|
996 fputs (plot_stream, "set ticslevel 0;\n"); |
|
6914
|
997 fprintf (plot_stream, "set view %.15g, %.15g;\n", rot_x, rot_z); |
|
6405
|
998 endif |
|
6611
|
999 fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, |
|
6464
|
1000 usingclause{1}, titlespec{1}, withclause{1}); |
|
6405
|
1001 for i = 2:data_idx |
|
6611
|
1002 fprintf (plot_stream, ", \"-\" %s %s %s \\\n", |
|
6464
|
1003 usingclause{i}, titlespec{i}, withclause{i}); |
|
6405
|
1004 endfor |
|
|
1005 fputs (plot_stream, ";\n"); |
|
|
1006 for i = 1:data_idx |
|
6464
|
1007 if (is_image_data(i)) |
|
|
1008 fwrite (plot_stream, data{i}, "float32"); |
|
|
1009 else |
|
7119
|
1010 __gnuplot_write_data__ (plot_stream, data{i}, nd, parametric(i), |
|
|
1011 have_cdata(i)); |
|
6405
|
1012 endif |
|
|
1013 endfor |
|
6431
|
1014 else |
|
|
1015 fputs (plot_stream, "plot \"-\";\nInf Inf\ne\n"); |
|
6405
|
1016 endif |
|
|
1017 |
|
|
1018 fflush (plot_stream); |
|
|
1019 |
|
|
1020 else |
|
|
1021 print_usage (); |
|
7109
|
1022 endif |
|
6405
|
1023 |
|
|
1024 endfunction |
|
|
1025 |
|
6453
|
1026 function [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xdat, tx) |
|
7119
|
1027 if (! (isempty (xdat) || (nargin > 4 && isempty (tx)))) |
|
7115
|
1028 xdat = xdat(! isinf (xdat)); |
|
|
1029 xmin = min (xmin, min (xdat)); |
|
|
1030 xmax = max (xmax, max (xdat)); |
|
|
1031 if (nargin == 5) |
|
|
1032 tx = tx(! isinf (xdat) & tx > 0); |
|
|
1033 if (! isempty (tx)) |
|
|
1034 xminp = min (xminp, min (tx)); |
|
|
1035 endif |
|
|
1036 else |
|
|
1037 tmp = min (xdat(xdat > 0)); |
|
|
1038 if (! isempty (tmp)) |
|
|
1039 xminp = min (xminp, tmp); |
|
|
1040 endif |
|
7012
|
1041 endif |
|
6453
|
1042 endif |
|
|
1043 endfunction |
|
|
1044 |
|
6405
|
1045 ## Attempt to make "nice" limits from the actual max and min of the |
|
|
1046 ## data. For log plots, we will also use the smallest strictly positive |
|
|
1047 ## value. |
|
|
1048 |
|
|
1049 function lim = get_axis_limits (min_val, max_val, min_pos, logscale) |
|
|
1050 |
|
7115
|
1051 if (! (isinf (min_val) || isinf (max_val))) |
|
|
1052 if (logscale) |
|
|
1053 if (isinf (min_pos)) |
|
|
1054 lim = []; |
|
|
1055 warning ("axis: logscale with no positive values to plot"); |
|
|
1056 return; |
|
|
1057 endif |
|
|
1058 if (min_val <= 0) |
|
|
1059 warning ("axis: omitting nonpositive data in log plot"); |
|
|
1060 min_val = min_pos; |
|
|
1061 endif |
|
|
1062 ## FIXME -- maybe this test should also be relative? |
|
|
1063 if (abs (min_val - max_val) < sqrt (eps)) |
|
|
1064 min_val *= 0.9; |
|
|
1065 max_val *= 1.1; |
|
|
1066 endif |
|
|
1067 min_val = 10 ^ floor (log10 (min_val)); |
|
|
1068 max_val = 10 ^ ceil (log10 (max_val)); |
|
|
1069 else |
|
|
1070 if (min_val == 0 && max_val == 0) |
|
|
1071 min_val = -1; |
|
|
1072 max_val = 1; |
|
|
1073 ## FIXME -- maybe this test should also be relative? |
|
|
1074 elseif (abs (min_val - max_val) < sqrt (eps)) |
|
|
1075 min_val -= 0.1 * abs (min_val); |
|
|
1076 max_val += 0.1 * abs (max_val); |
|
|
1077 endif |
|
|
1078 ## FIXME -- to do a better job, we should consider the tic spacing. |
|
|
1079 scale = 10 ^ floor (log10 (max_val - min_val) - 1); |
|
|
1080 min_val = scale * floor (min_val / scale); |
|
|
1081 max_val = scale * ceil (max_val / scale); |
|
6405
|
1082 endif |
|
|
1083 endif |
|
|
1084 |
|
|
1085 lim = [min_val, max_val]; |
|
|
1086 |
|
|
1087 endfunction |
|
|
1088 |
|
6465
|
1089 function [style, typ, with] = do_linestyle_command (obj, idx, plot_stream) |
|
6405
|
1090 |
|
6413
|
1091 persistent have_newer_gnuplot ... |
|
|
1092 = compare_versions (__gnuplot_version__ (), "4.0", ">"); |
|
6405
|
1093 |
|
|
1094 if (have_newer_gnuplot) |
|
|
1095 fprintf (plot_stream, "set style line %d default;\n", idx); |
|
|
1096 endif |
|
|
1097 fprintf (plot_stream, "set style line %d", idx); |
|
|
1098 |
|
|
1099 found_style = false; |
|
6425
|
1100 typ = NaN; |
|
6465
|
1101 with = ""; |
|
6405
|
1102 |
|
6425
|
1103 if (isfield (obj, "color")) |
|
6405
|
1104 color = obj.color; |
|
|
1105 if (isnumeric (color)) |
|
6425
|
1106 if (have_newer_gnuplot) |
|
|
1107 fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", |
|
|
1108 round (255*color)); |
|
|
1109 else |
|
|
1110 if (isequal (color, [0,0,0])) |
|
|
1111 typ = -1; |
|
|
1112 elseif (isequal (color, [1,0,0])) |
|
|
1113 typ = 1; |
|
|
1114 elseif (isequal (color, [0,1,0])) |
|
|
1115 typ = 2; |
|
|
1116 elseif (isequal (color, [0,0,1])) |
|
|
1117 typ = 3; |
|
|
1118 elseif (isequal (color, [1,0,1])) |
|
|
1119 typ = 4; |
|
|
1120 elseif (isequal (color, [0,1,1])) |
|
|
1121 typ = 5; |
|
|
1122 elseif (isequal (color, [1,1,1])) |
|
|
1123 typ = 6; |
|
|
1124 elseif (isequal (color, [1,1,0])) |
|
|
1125 typ = 7; |
|
|
1126 else |
|
|
1127 typ = 2; |
|
|
1128 endif |
|
|
1129 endif |
|
6405
|
1130 endif |
|
|
1131 found_style = true; |
|
|
1132 endif |
|
|
1133 |
|
|
1134 if (isfield (obj, "linestyle")) |
|
|
1135 switch (obj.linestyle) |
|
|
1136 case "-" |
|
6415
|
1137 lt = "1"; |
|
6405
|
1138 case "--" |
|
6415
|
1139 lt = "2"; |
|
6405
|
1140 case ":" |
|
6415
|
1141 lt = "3"; |
|
6405
|
1142 case "-." |
|
6415
|
1143 lt = "6"; |
|
6405
|
1144 case "none" |
|
|
1145 lt = ""; |
|
|
1146 otherwise |
|
|
1147 lt = ""; |
|
|
1148 endswitch |
|
6843
|
1149 |
|
|
1150 ## FIXME -- linetype is currently broken, since it disables the |
|
|
1151 ## gnuplot default dashed and solid linestyles with the only |
|
|
1152 ## benefit of being able to specify '--' and get a single sized |
|
|
1153 ## dashed line of identical dash pattern for all called this way. |
|
|
1154 ## All dash patterns are a subset of "with lines" and none of the |
|
|
1155 ## lt specifications will correctly propagate into the x11 terminal |
|
|
1156 ## or the print command. Therefore, it is currently disabled in |
|
|
1157 ## order to allow print (..., "-dashed") etc. to work correctly. |
|
|
1158 |
|
|
1159 ## if (! isempty (lt)) |
|
|
1160 ## fprintf (plot_stream, " linetype %s", lt); |
|
|
1161 ## found_style = true; |
|
|
1162 ## endif |
|
|
1163 |
|
6405
|
1164 else |
|
|
1165 lt = ""; |
|
|
1166 endif |
|
|
1167 |
|
|
1168 if (isfield (obj, "linewidth")) |
|
6465
|
1169 if (have_newer_gnuplot) |
|
|
1170 fprintf (plot_stream, " linewidth %f", obj.linewidth); |
|
|
1171 else |
|
|
1172 with = sprintf ("%s lw %f", with, obj.linewidth); |
|
|
1173 endif |
|
6405
|
1174 found_style = true; |
|
|
1175 endif |
|
|
1176 |
|
|
1177 if (isfield (obj, "marker")) |
|
|
1178 switch (obj.marker) |
|
|
1179 case "+" |
|
|
1180 pt = "1"; |
|
|
1181 case "o" |
|
6413
|
1182 pt = "6"; |
|
6405
|
1183 case "*" |
|
|
1184 pt = "3"; |
|
|
1185 case "." |
|
7078
|
1186 pt = "0"; |
|
6405
|
1187 case "x" |
|
|
1188 pt = "2"; |
|
|
1189 case {"square", "s"} |
|
|
1190 pt = "5"; |
|
|
1191 case {"diamond", "d"} |
|
|
1192 pt = "13"; |
|
|
1193 case "^" |
|
|
1194 pt = "9"; |
|
|
1195 case "v" |
|
|
1196 pt = "11"; |
|
|
1197 case ">" |
|
|
1198 pt = "8"; |
|
|
1199 case "<" |
|
|
1200 pt = "10"; |
|
|
1201 case {"pentagram", "p"} |
|
|
1202 pt = "4"; |
|
|
1203 case {"hexagram", "h"} |
|
6413
|
1204 pt = "12"; |
|
6405
|
1205 case "none" |
|
|
1206 pt = ""; |
|
|
1207 otherwise |
|
|
1208 pt = ""; |
|
|
1209 endswitch |
|
|
1210 if (! isempty (pt)) |
|
6465
|
1211 if (have_newer_gnuplot) |
|
|
1212 fprintf (plot_stream, " pointtype %s", pt); |
|
|
1213 else |
|
|
1214 with = sprintf ("%s pt %s", with, pt); |
|
|
1215 endif |
|
6405
|
1216 found_style = true; |
|
|
1217 endif |
|
|
1218 else |
|
|
1219 pt = ""; |
|
|
1220 endif |
|
|
1221 |
|
|
1222 style = "lines"; |
|
|
1223 if (isempty (lt)) |
|
|
1224 if (! isempty (pt)) |
|
|
1225 style = "points"; |
|
|
1226 endif |
|
|
1227 elseif (! isempty (pt)) |
|
|
1228 style = "linespoints"; |
|
|
1229 endif |
|
|
1230 |
|
6465
|
1231 if (isfield (obj, "markersize")) |
|
|
1232 if (have_newer_gnuplot) |
|
|
1233 fprintf (plot_stream, " pointsize %f", obj.markersize); |
|
|
1234 else |
|
6758
|
1235 if (! strcmpi (style, "lines")) |
|
6465
|
1236 with = sprintf ("%s ps %f", with, obj.markersize); |
|
|
1237 endif |
|
|
1238 endif |
|
|
1239 found_style = true; |
|
|
1240 endif |
|
|
1241 |
|
6405
|
1242 if (have_newer_gnuplot && ! found_style) |
|
|
1243 fputs (plot_stream, " default"); |
|
|
1244 endif |
|
|
1245 |
|
|
1246 fputs (plot_stream, ";\n"); |
|
|
1247 |
|
|
1248 endfunction |
|
6510
|
1249 |
|
7119
|
1250 function __gnuplot_write_data__ (plot_stream, data, nd, parametric, cdata) |
|
6510
|
1251 |
|
|
1252 ## DATA is already transposed. |
|
|
1253 |
|
|
1254 ## FIXME -- this may need to be converted to C++ for speed. |
|
|
1255 |
|
6605
|
1256 ## Convert NA elements to normal NaN values because fprintf writes |
|
|
1257 ## "NA" and that confuses gnuplot. |
|
|
1258 idx = find (isna (data)); |
|
|
1259 if (any (idx)) |
|
|
1260 data(idx) = NaN; |
|
|
1261 endif |
|
|
1262 |
|
6510
|
1263 if (nd == 2) |
|
|
1264 nan_elts = find (sum (isnan (data))); |
|
6914
|
1265 fmt = strcat (repmat ("%.15g ", 1, rows (data)), "\n"); |
|
6510
|
1266 if (isempty (nan_elts)) |
|
|
1267 fprintf (plot_stream, fmt, data); |
|
|
1268 else |
|
|
1269 n = columns (data); |
|
|
1270 have_nans = true; |
|
|
1271 num_nan_elts = numel (nan_elts); |
|
|
1272 k = 1; |
|
|
1273 for i = 1:n |
|
|
1274 if (have_nans && i == nan_elts(k)) |
|
|
1275 fputs (plot_stream, "\n"); |
|
|
1276 have_nans = ++k <= num_nan_elts; |
|
|
1277 else |
|
|
1278 fprintf (plot_stream, fmt, data(:,i)); |
|
|
1279 endif |
|
|
1280 endfor |
|
|
1281 endif |
|
7109
|
1282 elseif (nd == 3) |
|
6510
|
1283 ## FIXME -- handle NaNs here too? |
|
|
1284 if (parametric) |
|
6914
|
1285 fprintf (plot_stream, "%.15g %.15g %.15g\n", data); |
|
6510
|
1286 else |
|
|
1287 nc = columns (data); |
|
7119
|
1288 if (cdata) |
|
|
1289 for j = 1:4:nc |
|
|
1290 fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data(:,j:j+3)'); |
|
|
1291 fputs (plot_stream, "\n"); |
|
|
1292 endfor |
|
|
1293 else |
|
|
1294 for j = 1:3:nc |
|
|
1295 fprintf (plot_stream, "%.15g %.15g %.15g\n", data(:,j:j+2)'); |
|
|
1296 fputs (plot_stream, "\n"); |
|
|
1297 endfor |
|
|
1298 endif |
|
7109
|
1299 endif |
|
6510
|
1300 endif |
|
|
1301 fputs (plot_stream, "e\n"); |
|
|
1302 |
|
|
1303 endfunction |
|
6745
|
1304 |
|
|
1305 function do_tics (obj, plot_stream) |
|
6809
|
1306 if (strcmpi (obj.xaxislocation, "top")) |
|
|
1307 do_tics_1 (obj.xtickmode, obj.xtick, obj.xticklabelmode, obj.xticklabel, |
|
|
1308 "x2", plot_stream); |
|
|
1309 do_tics_1 ("manual", [], obj.xticklabelmode, obj.xticklabel, |
|
|
1310 "x", plot_stream); |
|
|
1311 else |
|
|
1312 do_tics_1 (obj.xtickmode, obj.xtick, obj.xticklabelmode, obj.xticklabel, |
|
|
1313 "x", plot_stream); |
|
|
1314 do_tics_1 ("manual", [], obj.xticklabelmode, obj.xticklabel, |
|
|
1315 "x2", plot_stream); |
|
|
1316 endif |
|
|
1317 if (strcmpi (obj.yaxislocation, "right")) |
|
|
1318 do_tics_1 (obj.ytickmode, obj.ytick, obj.yticklabelmode, obj.yticklabel, |
|
|
1319 "y2", plot_stream); |
|
|
1320 do_tics_1 ("manual", [], obj.yticklabelmode, obj.yticklabel, |
|
|
1321 "y", plot_stream); |
|
|
1322 else |
|
|
1323 do_tics_1 (obj.ytickmode, obj.ytick, obj.yticklabelmode, obj.yticklabel, |
|
|
1324 "y", plot_stream); |
|
|
1325 do_tics_1 ("manual", [], obj.yticklabelmode, obj.yticklabel, |
|
|
1326 "y2", plot_stream); |
|
|
1327 endif |
|
6745
|
1328 do_tics_1 (obj.ztickmode, obj.ztick, obj.zticklabelmode, obj.zticklabel, |
|
|
1329 "z", plot_stream); |
|
|
1330 endfunction |
|
|
1331 |
|
|
1332 function do_tics_1 (ticmode, tics, labelmode, labels, ax, plot_stream) |
|
6758
|
1333 if (strcmpi (ticmode, "manual")) |
|
6745
|
1334 if (isempty (tics)) |
|
|
1335 fprintf (plot_stream, "unset %stics;\n", ax); |
|
6758
|
1336 elseif (strcmpi (labelmode, "manual") && ! isempty (labels)) |
|
6751
|
1337 if (ischar (labels)) |
|
|
1338 labels = cellstr (labels); |
|
|
1339 endif |
|
6745
|
1340 if (iscellstr (labels)) |
|
6751
|
1341 k = 1; |
|
|
1342 ntics = numel (tics); |
|
|
1343 nlabels = numel (labels); |
|
6745
|
1344 fprintf (plot_stream, "set format %s \"%%s\";\n", ax); |
|
|
1345 fprintf (plot_stream, "set %stics (", ax); |
|
|
1346 for i = 1:ntics |
|
6920
|
1347 fprintf (plot_stream, " \"%s\" %g", labels(k++), tics(i)) |
|
6745
|
1348 if (i < ntics) |
|
|
1349 fputs (plot_stream, ", "); |
|
|
1350 endif |
|
|
1351 if (k > nlabels) |
|
|
1352 k = 1; |
|
|
1353 endif |
|
|
1354 endfor |
|
|
1355 fputs (plot_stream, ");\n"); |
|
|
1356 else |
|
|
1357 error ("unsupported type of ticklabel"); |
|
|
1358 endif |
|
|
1359 else |
|
6920
|
1360 fprintf (plot_stream, "set format %s \"%%g\";\n", ax); |
|
6745
|
1361 fprintf (plot_stream, "set %stics (", ax); |
|
6920
|
1362 fprintf (plot_stream, " %g,", tics(1:end-1)); |
|
|
1363 fprintf (plot_stream, " %g);\n", tics(end)); |
|
6745
|
1364 endif |
|
|
1365 else |
|
6920
|
1366 fprintf (plot_stream, "set format %s \"%%g\";\n", ax); |
|
6745
|
1367 fprintf (plot_stream, "set %stics;\n", ax); |
|
|
1368 endif |
|
|
1369 endfunction |
