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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 [f, s] = get_fontname_and_size (t); |
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63 fprintf (plot_stream, "set title \"%s\" font \"%s,%d\";\n", |
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64 undo_string_escapes (t.string), f, s); |
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65 endif |
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66 endif |
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67 |
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68 if (! isempty (axis_obj.xlabel)) |
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69 t = get (axis_obj.xlabel); |
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70 angle = t.rotation; |
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71 if (isempty (t.string)) |
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72 fputs (plot_stream, "unset xlabel;\n"); |
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73 else |
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74 [f, s] = get_fontname_and_size (t); |
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75 fprintf (plot_stream, "set xlabel \"%s\" font \"%s,%d\"", |
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76 undo_string_escapes (t.string), f, s); |
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77 if (have_newer_gnuplot) |
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78 ## Rotation of xlabel not yet support by gnuplot as of 4.2, but |
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79 ## there is no message about it. |
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80 fprintf (plot_stream, " rotate by %f", angle); |
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81 endif |
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82 fputs (plot_stream, ";\n"); |
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83 endif |
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84 endif |
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85 |
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86 if (! isempty (axis_obj.ylabel)) |
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87 t = get (axis_obj.ylabel); |
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88 angle = t.rotation; |
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89 if (isempty (t.string)) |
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90 fputs (plot_stream, "unset ylabel;\n"); |
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91 else |
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92 [f, s] = get_fontname_and_size (t); |
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93 fprintf (plot_stream, "set ylabel \"%s\" font \"%s,%d\"", |
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94 undo_string_escapes (t.string), f, s); |
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95 if (have_newer_gnuplot) |
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96 fprintf (plot_stream, " rotate by %f;\n", angle); |
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97 endif |
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98 fputs (plot_stream, ";\n"); |
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99 endif |
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100 endif |
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101 |
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102 if (! isempty (axis_obj.zlabel)) |
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103 t = get (axis_obj.zlabel); |
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104 angle = t.rotation; |
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105 if (isempty (t.string)) |
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106 fputs (plot_stream, "unset zlabel;\n"); |
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107 else |
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108 fprintf (plot_stream, "set zlabel \"%s\"", |
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109 undo_string_escapes (t.string)); |
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110 if (have_newer_gnuplot) |
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111 ## Rotation of zlabel not yet support by gnuplot as of 4.2, but |
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112 ## there is no message about it. |
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113 fprintf (plot_stream, " rotate by %f;\n", angle); |
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114 endif |
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115 fputs (plot_stream, ";\n"); |
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116 endif |
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117 endif |
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118 |
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119 if (strcmpi (axis_obj.xaxislocation, "top")) |
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120 xaxisloc = "x2"; |
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121 xaxisloc_using = "x2"; |
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122 else |
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123 xaxisloc = "x"; |
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124 xaxisloc_using = "x1"; |
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125 endif |
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126 if (strcmpi (axis_obj.yaxislocation, "right")) |
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127 yaxisloc = "y2"; |
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128 yaxisloc_using = "y2"; |
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129 else |
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130 yaxisloc = "y"; |
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131 yaxisloc_using = "y1"; |
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132 endif |
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133 |
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134 if (strcmpi (axis_obj.xgrid, "on")) |
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135 fprintf (plot_stream, "set grid %stics;\n", xaxisloc); |
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136 else |
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137 fprintf (plot_stream, "set grid no%stics;\n", xaxisloc); |
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138 endif |
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139 |
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140 if (strcmpi (axis_obj.ygrid, "on")) |
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141 fprintf (plot_stream, "set grid %stics;\n", yaxisloc); |
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142 else |
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143 fprintf (plot_stream, "set grid no%stics;\n", yaxisloc); |
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144 endif |
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145 |
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146 if (strcmpi (axis_obj.zgrid, "on")) |
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147 fputs (plot_stream, "set grid ztics;\n"); |
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148 else |
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149 fputs (plot_stream, "set grid noztics;\n"); |
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150 endif |
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151 |
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152 if (strcmpi (axis_obj.xminorgrid, "on")) |
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153 fprintf (plot_stream, "set m%stics 5;\n", xaxisloc); |
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154 fprintf (plot_stream, "set grid m%stics;\n", xaxisloc); |
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155 else |
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156 fprintf (plot_stream, "set grid nom%stics;\n", xaxisloc); |
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157 endif |
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158 |
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159 if (strcmpi (axis_obj.yminorgrid, "on")) |
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160 fprintf (plot_stream, "set m%stics 5;\n", yaxisloc); |
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161 fprintf (plot_stream, "set grid m%stics;\n", yaxisloc); |
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162 else |
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163 fprintf (plot_stream, "set grid nom%stics;\n", yaxisloc); |
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164 endif |
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165 |
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166 if (strcmpi (axis_obj.zminorgrid, "on")) |
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167 fputs (plot_stream, "set mztics 5;\n"); |
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168 fputs (plot_stream, "set grid mztics;\n"); |
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169 else |
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170 fputs (plot_stream, "set grid nomztics;\n"); |
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171 endif |
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172 |
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173 do_tics (axis_obj, plot_stream); |
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174 |
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175 xlogscale = strcmpi (axis_obj.xscale, "log"); |
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176 if (xlogscale) |
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177 fprintf (plot_stream, "set logscale %s;\n", xaxisloc); |
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178 else |
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179 fprintf (plot_stream, "unset logscale %s;\n", xaxisloc); |
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180 endif |
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181 |
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182 ylogscale = strcmpi (axis_obj.yscale, "log"); |
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183 if (ylogscale) |
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184 fprintf (plot_stream, "set logscale %s;\n", yaxisloc); |
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185 else |
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186 fprintf (plot_stream, "unset logscale %s;\n", yaxisloc); |
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187 endif |
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188 |
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189 zlogscale = strcmpi (axis_obj.zscale, "log"); |
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190 if (zlogscale) |
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191 fputs (plot_stream, "set logscale z;\n"); |
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192 else |
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193 fputs (plot_stream, "unset logscale z;\n"); |
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194 endif |
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195 |
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196 xautoscale = strcmpi (axis_obj.xlimmode, "auto"); |
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197 yautoscale = strcmpi (axis_obj.ylimmode, "auto"); |
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198 zautoscale = strcmpi (axis_obj.zlimmode, "auto"); |
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199 cautoscale = strcmpi (axis_obj.climmode, "auto"); |
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200 |
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201 kids = axis_obj.children; |
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202 |
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203 nd = 0; |
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204 data_idx = 0; |
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205 data = cell (); |
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206 is_image_data = []; |
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207 hidden_removal = NaN; |
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208 |
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209 xminp = yminp = zminp = cminp = Inf; |
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210 xmax = ymax = zmax = cmax = -Inf; |
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211 xmin = ymin = zmin = cmin = Inf; |
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212 |
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213 [view_cmd, view_fcn, view_zoom] = image_viewer (); |
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214 use_gnuplot_for_images = (ischar (view_fcn) |
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215 && strcmp (view_fcn, "gnuplot_internal")); |
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216 |
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217 ximg_data = {}; |
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218 ximg_data_idx = 0; |
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219 |
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220 for i = 1:length (kids) |
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221 |
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222 obj = get (kids(i)); |
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223 |
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224 switch (obj.type) |
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225 case "image" |
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226 ## FIXME - Is there a better way to determine if the plot |
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227 ## command should be "plot" or "splot"????? Could have images |
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228 ## projected into 3D so there is really no reason to limit |
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229 ## this. |
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230 if (nd == 0) |
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231 nd = 2; |
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232 endif |
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233 |
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234 img_data = obj.cdata; |
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235 img_colormap = parent_figure_obj.colormap; |
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236 img_xdata = obj.xdata; |
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237 img_ydata = obj.ydata; |
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238 |
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239 if (use_gnuplot_for_images) |
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240 |
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241 data_idx++; |
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242 is_image_data(data_idx) = true; |
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243 parametric(data_idx) = false; |
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244 have_cdata(data_idx) = false; |
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245 |
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246 [y_dim, x_dim] = size (img_data(:,:,1)); |
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247 if (x_dim > 1) |
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248 dx = abs (img_xdata(2)-img_xdata(1))/(x_dim-1); |
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249 else |
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250 dx = 1; |
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251 endif |
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252 if (y_dim > 1) |
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253 dy = abs (img_ydata(2)-img_ydata(1))/(y_dim-1); |
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254 else |
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255 dy = 1; |
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256 endif |
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257 x_origin = min (img_xdata); |
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258 y_origin = min (img_ydata); |
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259 |
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260 if (nd == 2) |
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261 if (xautoscale) |
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262 xmin = min (xmin, min (img_xdata) - dx/2); |
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263 xmax = max (xmax, max (img_xdata) + dx/2); |
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264 xminp = min (xminp, min (img_xdata((img_xdata - dx/2)>0)) - dx/2); |
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265 endif |
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266 if (yautoscale) |
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267 ymin = min (ymin, min (img_ydata) - dy/2); |
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268 ymax = max (ymax, max (img_ydata) + dy/2); |
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269 yminp = min (yminp, min (img_ydata((img_ydata - dy/2)>0)) - dy/2); |
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270 endif |
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271 else |
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272 ## Can have images in 3D, but the image routines don't seem |
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273 ## to have a means of arbitrary projection. |
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274 endif |
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275 |
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276 if (ndims (img_data) == 3) |
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277 data{data_idx} = permute (img_data, [3, 1, 2])(:); |
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278 format = "1:2:3"; |
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279 imagetype = "rgbimage"; |
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280 else |
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281 data{data_idx} = img_data(:); |
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282 format = "1"; |
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283 imagetype = "image"; |
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284 |
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285 palette_size = rows (img_colormap); |
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286 fprintf (plot_stream, |
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287 "set palette positive color model RGB maxcolors %i;\n", |
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288 palette_size); |
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289 fprintf (plot_stream, |
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290 "set palette file \"-\" binary record=%d using 1:2:3:4;\n", |
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291 palette_size); |
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292 fwrite (plot_stream, [1:palette_size; img_colormap'], "float32"); |
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293 endif |
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294 |
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295 titlespec{data_idx} = "title \"\""; |
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296 usingclause{data_idx} = sprintf ("binary array=%dx%d scan=yx origin=(%.15g,%.15g) dx=%.15g dy=%.15g using %s", |
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297 x_dim, y_dim, x_origin, y_origin, dx, dy, format); |
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298 withclause{data_idx} = sprintf ("with %s", imagetype); |
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299 |
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300 else |
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301 ximg_data{++ximg_data_idx} = img_data; |
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302 endif |
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303 |
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304 case "line" |
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305 if (strncmp (obj.linestyle, "none", 4) |
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306 && (! isfield (obj, "marker") |
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307 || (isfield (obj, "marker") |
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308 && strncmp (obj.marker, "none", 4)))) |
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309 continue; |
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310 endif |
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311 data_idx++; |
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312 is_image_data(data_idx) = false; |
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313 parametric(data_idx) = true; |
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314 have_cdata(data_idx) = false; |
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315 if (isempty (obj.keylabel)) |
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316 titlespec{data_idx} = "title \"\""; |
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317 else |
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318 tmp = undo_string_escapes (obj.keylabel); |
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319 titlespec{data_idx} = strcat ("title \"", tmp, "\""); |
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320 endif |
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321 [style, typ, with] = do_linestyle_command (obj, data_idx, plot_stream); |
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322 usingclause{data_idx} = ""; |
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323 if (have_newer_gnuplot || isnan (typ)) |
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324 withclause{data_idx} = sprintf ("with %s linestyle %d", |
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325 style, data_idx); |
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326 else |
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327 withclause{data_idx} = sprintf ("with %s linetype %d", |
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328 style, typ); |
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329 endif |
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330 if (! isempty (obj.zdata)) |
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331 nd = 3; |
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332 xdat = obj.xdata(:); |
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333 ydat = obj.ydata(:); |
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334 zdat = obj.zdata(:); |
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7119
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335 |
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336 if (xautoscale) |
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337 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xdat); |
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338 endif |
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339 if (yautoscale) |
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340 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ydat); |
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341 endif |
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342 if (zautoscale) |
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343 [zmin, zmax, zminp] = get_data_limits (zmin, zmax, zminp, zdat); |
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344 endif |
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345 data{data_idx} = [xdat, ydat, zdat]'; |
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346 usingclause{data_idx} = "using ($1):($2):($3)"; |
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347 fputs (plot_stream, "set parametric;\n"); |
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348 fputs (plot_stream, "set style data lines;\n"); |
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349 fputs (plot_stream, "set surface;\n"); |
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350 fputs (plot_stream, "unset contour;\n"); |
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351 else |
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352 nd = 2; |
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353 xdat = obj.xdata(:); |
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354 ydat = obj.ydata(:); |
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355 ldat = obj.ldata; |
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356 yerr = xerr = false; |
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357 if (! isempty (ldat)) |
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358 yerr = true; |
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359 ldat = ldat(:); |
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360 endif |
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361 udat = obj.udata; |
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362 if (! isempty (udat)) |
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363 udat = udat(:); |
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364 endif |
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365 xldat = obj.xldata; |
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366 if (! isempty (xldat)) |
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367 xerr = true; |
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368 xldat = xldat(:); |
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369 endif |
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370 xudat = obj.xudata; |
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371 if (! isempty (xudat)) |
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372 xudat = xudat(:); |
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373 endif |
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374 if (yerr) |
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375 ylo = ydat-ldat; |
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376 yhi = ydat+udat; |
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377 if (yautoscale) |
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378 ty = [ydat; ylo; yhi]; |
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379 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ty); |
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380 endif |
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381 if (xerr) |
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382 xlo = xdat-xldat; |
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383 xhi = xdat+xudat; |
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384 if (xautoscale) |
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385 tx = [xdat; xlo; xhi]; |
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386 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, tx); |
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6405
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387 endif |
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388 data{data_idx} = [xdat, ydat, xlo, xhi, ylo, yhi]'; |
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389 usingclause{data_idx} = "using ($1):($2):($3):($4):($5):($6)"; |
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6908
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390 withclause{data_idx} = "with xyerrorbars"; |
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6405
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391 else |
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6736
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392 ## Obtain the limits based on the exact x values. |
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6405
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393 if (xautoscale) |
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6453
|
394 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, |
|
6736
|
395 xminp, xdat); |
|
6405
|
396 endif |
|
|
397 data{data_idx} = [xdat, ydat, ylo, yhi]'; |
|
|
398 usingclause{data_idx} = "using ($1):($2):($3):($4)"; |
|
6908
|
399 withclause{data_idx} = "with yerrorbars"; |
|
6405
|
400 endif |
|
|
401 elseif (xerr) |
|
|
402 xlo = xdat-xldat; |
|
|
403 xhi = xdat+xudat; |
|
|
404 if (xautoscale) |
|
|
405 tx = [xdat; xlo; xhi]; |
|
6453
|
406 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, tx); |
|
6405
|
407 endif |
|
|
408 if (yautoscale) |
|
6453
|
409 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, |
|
|
410 yminp, ydat, ty); |
|
6405
|
411 endif |
|
|
412 data{data_idx} = [xdat, ydat, xlo, xhi]'; |
|
|
413 usingclause{data_idx} = "using ($1):($2):($3):($4)"; |
|
6908
|
414 withclause{data_idx} = "with xerrorbars"; |
|
6405
|
415 else |
|
|
416 if (xautoscale) |
|
6453
|
417 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xdat); |
|
6405
|
418 endif |
|
|
419 if (yautoscale) |
|
6453
|
420 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ydat); |
|
6405
|
421 endif |
|
|
422 data{data_idx} = [xdat, ydat]'; |
|
6809
|
423 usingclause{data_idx} = sprintf ("using ($1):($2) axes %s%s", |
|
|
424 xaxisloc_using, yaxisloc_using); |
|
6405
|
425 endif |
|
|
426 endif |
|
6465
|
427 if (! (have_newer_gnuplot || isempty (with))) |
|
|
428 if (isempty (withclause{data_idx})) |
|
6809
|
429 withclause{data_idx} = sprintf ("with %s", with); |
|
6465
|
430 else |
|
6809
|
431 withclause{data_idx} = sprintf ("%s %s", withclause{data_idx}, |
|
|
432 with); |
|
6465
|
433 endif |
|
|
434 endif |
|
6405
|
435 |
|
6790
|
436 case "patch" |
|
6885
|
437 cmap = parent_figure_obj.colormap; |
|
|
438 clim = axis_obj.clim; |
|
7020
|
439 [nr, nc] = size (obj.xdata); |
|
|
440 |
|
7170
|
441 for i = 1:nc |
|
7020
|
442 xcol = obj.xdata(:,i); |
|
|
443 ycol = obj.ydata(:,i); |
|
7170
|
444 if (! isempty (obj.zdata)) |
|
|
445 zcol = obj.zdata(:,i); |
|
|
446 else |
|
|
447 zcol = []; |
|
|
448 endif |
|
7020
|
449 |
|
|
450 if (xautoscale) |
|
|
451 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xcol); |
|
|
452 endif |
|
|
453 if (yautoscale) |
|
|
454 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ycol); |
|
|
455 endif |
|
7170
|
456 if (! isempty (obj.zdata) && ! strncmp(obj.edgecolor, "none", 4)) |
|
|
457 if (zautoscale) |
|
|
458 [zmin, zmax, zminp] = get_data_limits (zmin, zmax, zminp, zcol); |
|
|
459 endif |
|
|
460 endif |
|
7020
|
461 |
|
|
462 if (! isnan (xcol) && ! isnan (ycol)) |
|
|
463 ## Is the patch closed or not |
|
7175
|
464 if (strncmp (obj.facecolor, "none", 4)) |
|
|
465 if (isnan (hidden_removal)) |
|
|
466 hidden_removal = false; |
|
|
467 endif |
|
|
468 else |
|
|
469 hidden_removal = true; |
|
7170
|
470 if (! isempty (zcol)) |
|
|
471 error ("gnuplot (as of v4.2) only supports 2D filled patches"); |
|
|
472 else |
|
|
473 nd = 2; |
|
|
474 endif |
|
|
475 |
|
|
476 data_idx++; |
|
|
477 is_image_data(data_idx) = false; |
|
|
478 parametric(data_idx) = false; |
|
|
479 have_cdata(data_idx) = false; |
|
|
480 if (i > 1 || isempty (obj.keylabel)) |
|
|
481 titlespec{data_idx} = "title \"\""; |
|
|
482 else |
|
|
483 tmp = undo_string_escapes (obj.keylabel); |
|
|
484 titlespec{data_idx} = strcat ("title \"", tmp, "\""); |
|
|
485 endif |
|
|
486 usingclause{data_idx} = ""; |
|
|
487 if (isfield (obj, "facecolor") && isfield (obj, "cdata")) |
|
|
488 if (strncmp (obj.facecolor, "flat", 4) |
|
|
489 || strncmp (obj.facecolor, "interp", 6)) |
|
|
490 if (ndims (obj.cdata) == 2 |
|
|
491 && ((nr > 3 && size (obj.cdata, 2) == nc) |
|
|
492 || (size (obj.cdata, 1) > 1 |
|
|
493 && size (obj.cdata, 2) == nc))) |
|
|
494 ccol = obj.cdata (:, i); |
|
|
495 elseif (ndims (obj.cdata) == 3) |
|
|
496 ccol = permute (obj.cdata (:, i, :), [1, 3, 2]); |
|
|
497 else |
|
|
498 ccol = obj.cdata; |
|
|
499 endif |
|
|
500 if (strncmp (obj.facecolor, "flat", 4)) |
|
|
501 if (numel(ccol) == 3) |
|
|
502 color = ccol; |
|
|
503 else |
|
|
504 r = 1 + round ((size (cmap, 1) - 1) |
|
|
505 * (ccol - clim(1))/(clim(2) - clim(1))); |
|
|
506 r = max (1, min (r, size (cmap, 1))); |
|
|
507 color = cmap(r, :); |
|
|
508 endif |
|
|
509 elseif (strncmp (obj.facecolor, "interp", 6)) |
|
|
510 warning ("\"interp\" not supported, using 1st entry of cdata") |
|
|
511 r = 1 + round ((size (cmap, 1) - 1) * ccol(1)); |
|
|
512 r = max (1, min (r, size (cmap, 1))); |
|
|
513 color = cmap(r,:); |
|
|
514 endif |
|
|
515 else |
|
|
516 color = obj.facecolor; |
|
|
517 endif |
|
|
518 else |
|
|
519 color = [0, 1, 0]; |
|
|
520 endif |
|
|
521 |
|
|
522 if (have_newer_gnuplot) |
|
|
523 withclause{data_idx} ... |
|
|
524 = sprintf ("with filledcurve lc rgb \"#%02x%02x%02x\"", |
|
|
525 round (255*color)); |
|
|
526 else |
|
|
527 if (isequal (color, [0,0,0])) |
|
|
528 typ = -1; |
|
|
529 elseif (isequal (color, [1,0,0])) |
|
|
530 typ = 1; |
|
|
531 elseif (isequal (color, [0,1,0])) |
|
|
532 typ = 2; |
|
|
533 elseif (isequal (color, [0,0,1])) |
|
|
534 typ = 3; |
|
|
535 elseif (isequal (color, [1,0,1])) |
|
|
536 typ = 4; |
|
|
537 elseif (isequal (color, [0,1,1])) |
|
|
538 typ = 5; |
|
|
539 elseif (isequal (color, [1,1,1])) |
|
|
540 typ = -1; |
|
|
541 elseif (isequal (color, [1,1,0])) |
|
|
542 typ = 7; |
|
|
543 else |
|
|
544 typ = -1; |
|
|
545 endif |
|
|
546 withclause{data_idx} = sprintf ("with filledcurve lt %d", typ); |
|
|
547 endif |
|
|
548 data{data_idx} = [xcol, ycol]'; |
|
|
549 usingclause{data_idx} = "using ($1):($2)"; |
|
|
550 endif |
|
|
551 endif |
|
|
552 |
|
|
553 ## patch outline |
|
|
554 if (! strncmp (obj.edgecolor, "none", 4)) |
|
|
555 if (! isempty (zcol)) |
|
|
556 nd = 3; |
|
7148
|
557 else |
|
7170
|
558 nd = 2; |
|
7148
|
559 endif |
|
7170
|
560 |
|
|
561 data_idx++; |
|
|
562 is_image_data(data_idx) = false; |
|
|
563 parametric(data_idx) = false; |
|
|
564 have_cdata(data_idx) = false; |
|
|
565 titlespec{data_idx} = "title \"\""; |
|
7020
|
566 usingclause{data_idx} = ""; |
|
7170
|
567 if (isfield (obj, "edgecolor") && isfield (obj, "cdata")) |
|
|
568 if (strncmp (obj.edgecolor, "flat", 4) |
|
|
569 || strncmp (obj.edgecolor, "interp", 6)) |
|
7119
|
570 if (ndims (obj.cdata) == 2 |
|
|
571 && ((nr > 3 && size (obj.cdata, 2) == nc) |
|
|
572 || (size (obj.cdata, 1) > 1 |
|
|
573 && size (obj.cdata, 2) == nc))) |
|
7020
|
574 ccol = obj.cdata (:, i); |
|
|
575 elseif (ndims (obj.cdata) == 3) |
|
|
576 ccol = permute (obj.cdata (:, i, :), [1, 3, 2]); |
|
|
577 else |
|
|
578 ccol = obj.cdata; |
|
|
579 endif |
|
7170
|
580 if (strncmp (obj.edgecolor, "flat", 4)) |
|
|
581 if (numel (ccol) == 3) |
|
7020
|
582 color = ccol; |
|
|
583 else |
|
7119
|
584 r = 1 + round ((size (cmap, 1) - 1) |
|
|
585 * (ccol - clim(1))/(clim(2) - clim(1))); |
|
7020
|
586 r = max (1, min (r, size (cmap, 1))); |
|
|
587 color = cmap(r, :); |
|
|
588 endif |
|
7170
|
589 elseif (strncmp (obj.edgecolor, "interp", 6)) |
|
7020
|
590 warning ("\"interp\" not supported, using 1st entry of cdata") |
|
|
591 r = 1 + round ((size (cmap, 1) - 1) * ccol(1)); |
|
|
592 r = max (1, min (r, size (cmap, 1))); |
|
|
593 color = cmap(r,:); |
|
|
594 endif |
|
|
595 endif |
|
7170
|
596 elseif (isfield (obj, "edgecolor") && isnumeric (obj.edgecolor)) |
|
|
597 color = obj.edgecolor; |
|
7020
|
598 else |
|
7170
|
599 color = [0, 0, 0]; |
|
7020
|
600 endif |
|
|
601 if (have_newer_gnuplot) |
|
7119
|
602 withclause{data_idx} ... |
|
7170
|
603 = sprintf ("with lines lc rgb \"#%02x%02x%02x\"", |
|
|
604 round (255*color)); |
|
7020
|
605 else |
|
|
606 if (isequal (color, [0,0,0])) |
|
|
607 typ = -1; |
|
|
608 elseif (isequal (color, [1,0,0])) |
|
|
609 typ = 1; |
|
|
610 elseif (isequal (color, [0,1,0])) |
|
|
611 typ = 2; |
|
|
612 elseif (isequal (color, [0,0,1])) |
|
|
613 typ = 3; |
|
|
614 elseif (isequal (color, [1,0,1])) |
|
|
615 typ = 4; |
|
|
616 elseif (isequal (color, [0,1,1])) |
|
|
617 typ = 5; |
|
|
618 elseif (isequal (color, [1,1,1])) |
|
|
619 typ = -1; |
|
|
620 elseif (isequal (color, [1,1,0])) |
|
|
621 typ = 7; |
|
|
622 else |
|
|
623 typ = -1; |
|
|
624 endif |
|
7170
|
625 withclause{data_idx} = sprintf ("with lines lt %d", typ); |
|
7020
|
626 endif |
|
6790
|
627 |
|
7170
|
628 if (! isempty (zcol)) |
|
|
629 if (! isnan (xcol) && ! isnan (ycol) && ! isnan (zcol)) |
|
|
630 data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... |
|
|
631 [zcol; zcol(1)]]'; |
|
|
632 else |
|
|
633 data{data_idx} = [xcol, ycol, zcol]'; |
|
|
634 endif |
|
|
635 usingclause{data_idx} = "using ($1):($2):($3)"; |
|
7020
|
636 else |
|
7170
|
637 if (! isnan (xcol) && ! isnan (ycol)) |
|
|
638 data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)]]'; |
|
|
639 else |
|
|
640 data{data_idx} = [xcol, ycol]'; |
|
|
641 endif |
|
|
642 usingclause{data_idx} = "using ($1):($2)"; |
|
7020
|
643 endif |
|
6885
|
644 endif |
|
7020
|
645 endfor |
|
6790
|
646 |
|
6405
|
647 case "surface" |
|
7119
|
648 nd = 3; |
|
7110
|
649 if (! (strncmp (obj.edgecolor, "none", 4) |
|
|
650 && strncmp (obj.facecolor, "none", 4))) |
|
7109
|
651 data_idx++; |
|
|
652 is_image_data(data_idx) = false; |
|
|
653 parametric(data_idx) = false; |
|
7119
|
654 have_cdata(data_idx) = true; |
|
7170
|
655 [style, typ, with] = do_linestyle_command (obj, data_idx, |
|
|
656 plot_stream); |
|
7109
|
657 if (isempty (obj.keylabel)) |
|
|
658 titlespec{data_idx} = "title \"\""; |
|
|
659 else |
|
|
660 tmp = undo_string_escapes (obj.keylabel); |
|
|
661 titlespec{data_idx} = strcat ("title \"", tmp, "\""); |
|
|
662 endif |
|
|
663 usingclause{data_idx} = ""; |
|
|
664 if (have_newer_gnuplot || isnan (typ)) |
|
|
665 withclause{data_idx} = sprintf ("with %s linestyle %d", |
|
|
666 style, data_idx); |
|
6405
|
667 else |
|
7109
|
668 withclause{data_idx} = sprintf ("with %s linetype %d %s", |
|
|
669 style, typ, with); |
|
|
670 endif |
|
|
671 |
|
|
672 xdat = obj.xdata; |
|
|
673 ydat = obj.ydata; |
|
|
674 zdat = obj.zdata; |
|
|
675 cdat = obj.cdata; |
|
7110
|
676 |
|
7109
|
677 if (xautoscale) |
|
|
678 tx = xdat(:); |
|
|
679 [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, tx); |
|
|
680 endif |
|
|
681 if (yautoscale) |
|
|
682 ty = ydat(:); |
|
|
683 [ymin, ymax, yminp] = get_data_limits (ymin, ymax, yminp, ty); |
|
|
684 endif |
|
|
685 if (zautoscale) |
|
|
686 tz = zdat(:); |
|
|
687 [zmin, zmax, zminp] = get_data_limits (zmin, zmax, zminp, tz); |
|
6405
|
688 endif |
|
7109
|
689 if (cautoscale) |
|
|
690 tc = cdat(:); |
|
|
691 [cmin, cmax, cminp] = get_data_limits (cmin, cmax, cminp, tc); |
|
|
692 endif |
|
|
693 |
|
|
694 err = false; |
|
|
695 if (! size_equal(zdat, cdat)) |
|
6405
|
696 err = true; |
|
7109
|
697 endif |
|
|
698 if (isvector (xdat) && isvector (ydat) && ismatrix (zdat)) |
|
7110
|
699 if (rows (zdat) == length (ydat) |
|
|
700 && columns (zdat) == length (xdat)) |
|
7109
|
701 [xdat, ydat] = meshgrid (xdat, ydat); |
|
|
702 else |
|
|
703 err = true; |
|
|
704 endif |
|
|
705 elseif (ismatrix (xdat) && ismatrix (ydat) && ismatrix (zdat)) |
|
|
706 if (! (size_equal (xdat, ydat) && size_equal (xdat, zdat))) |
|
|
707 err = true; |
|
|
708 endif |
|
|
709 else |
|
|
710 err = true; |
|
|
711 endif |
|
|
712 if (err) |
|
|
713 error ("__go_draw_axes__: invalid grid data"); |
|
6405
|
714 endif |
|
7109
|
715 xlen = columns (zdat); |
|
|
716 ylen = rows (zdat); |
|
|
717 if (xlen == columns (xdat) && xlen == columns (ydat) |
|
|
718 && ylen == rows (xdat) && ylen == rows (ydat)) |
|
|
719 len = 4 * xlen; |
|
|
720 zz = zeros (ylen, len); |
|
|
721 k = 1; |
|
|
722 for kk = 1:4:len |
|
|
723 zz(:,kk) = xdat(:,k); |
|
|
724 zz(:,kk+1) = ydat(:,k); |
|
|
725 zz(:,kk+2) = zdat(:,k); |
|
|
726 zz(:,kk+3) = cdat(:,k); |
|
|
727 k++; |
|
|
728 endfor |
|
7170
|
729 data{data_idx} = zz.'; |
|
7109
|
730 endif |
|
|
731 usingclause{data_idx} = "using ($1):($2):($3):($4)"; |
|
|
732 withclause{data_idx} = "with line palette"; |
|
|
733 |
|
|
734 fputs (plot_stream, "unset parametric;\n"); |
|
|
735 fputs (plot_stream, "set style data lines;\n"); |
|
|
736 fputs (plot_stream, "set surface;\n"); |
|
|
737 fputs (plot_stream, "unset contour;\n"); |
|
|
738 fprintf (plot_stream, "set cbrange [%g:%g];\n", cmin, cmax); |
|
|
739 |
|
7119
|
740 ## Interpolation does not work for flat surfaces (e.g. pcolor) |
|
|
741 ## and color mapping --> currently set empty. |
|
|
742 interp_str = ""; |
|
|
743 surf_colormap = parent_figure_obj.colormap; |
|
|
744 flat_interp_face = (strncmp (obj.facecolor, "flat", 4) |
|
|
745 || strncmp (obj.facecolor, "interp", 6)); |
|
|
746 flat_interp_edge = (strncmp (obj.edgecolor, "flat", 4) |
|
|
747 || strncmp (obj.edgecolor, "interp", 6)); |
|
7154
|
748 |
|
|
749 facecolor_none_or_white = (strncmp (obj.facecolor, "none", 4) |
|
|
750 || (isnumeric (obj.facecolor) |
|
|
751 && all (obj.facecolor == 1))); |
|
7119
|
752 palette_data = []; |
|
|
753 |
|
7149
|
754 if (strncmp (obj.facecolor, "none", 4)) |
|
7175
|
755 if (isnan (hidden_removal)) |
|
|
756 hidden_removal = false; |
|
|
757 endif |
|
|
758 else |
|
|
759 hidden_removal = true; |
|
7149
|
760 endif |
|
|
761 |
|
7119
|
762 if (flat_interp_face |
|
7154
|
763 || (flat_interp_edge && facecolor_none_or_white)) |
|
7119
|
764 palette_data = [1:rows(surf_colormap); surf_colormap']; |
|
7154
|
765 elseif (isnumeric (obj.facecolor)) |
|
7119
|
766 palette_data = [1:2; [obj.facecolor; obj.facecolor]']; |
|
|
767 endif |
|
7109
|
768 |
|
7154
|
769 if (facecolor_none_or_white && isnumeric (obj.edgecolor)) |
|
7119
|
770 palette_data = [1:2; [obj.edgecolor; obj.edgecolor]']; |
|
|
771 endif |
|
7109
|
772 |
|
7154
|
773 if (facecolor_none_or_white) |
|
|
774 ## Do nothing. |
|
7119
|
775 elseif (flat_interp_face && strncmp (obj.edgecolor, "flat", 4)) |
|
|
776 fprintf (plot_stream, "set pm3d at s %s;\n", interp_str); |
|
|
777 else |
|
|
778 if (strncmp (obj.edgecolor, "none", 4)) |
|
7110
|
779 fprintf (plot_stream, "set pm3d at s %s;\n", interp_str); |
|
7109
|
780 else |
|
7119
|
781 edgecol = obj.edgecolor; |
|
|
782 if (ischar (obj.edgecolor)) |
|
|
783 edgecol = [0,0,0]; |
|
|
784 endif |
|
|
785 fprintf (plot_stream, "set pm3d at s hidden3d %d %s;\n", data_idx, interp_str); |
|
|
786 |
|
|
787 if (have_newer_gnuplot) |
|
7110
|
788 fprintf (plot_stream, |
|
|
789 "set style line %d linecolor rgb \"#%02x%02x%02x\" lw %f;\n", |
|
7109
|
790 data_idx, round (255*edgecol), obj.linewidth); |
|
7119
|
791 else |
|
|
792 if (isequal (edgecol, [0,0,0])) |
|
|
793 typ = -1; |
|
|
794 elseif (isequal (edgecol, [1,0,0])) |
|
|
795 typ = 1; |
|
|
796 elseif (isequal (edgecol, [0,1,0])) |
|
|
797 typ = 2; |
|
|
798 elseif (isequal (edgecol, [0,0,1])) |
|
|
799 typ = 3; |
|
|
800 elseif (isequal (edgecol, [1,0,1])) |
|
|
801 typ = 4; |
|
|
802 elseif (isequal (edgecol, [0,1,1])) |
|
|
803 typ = 5; |
|
|
804 elseif (isequal (edgecol, [1,1,1])) |
|
|
805 typ = -1; |
|
|
806 elseif (isequal (edgecol, [1,1,0])) |
|
|
807 typ = 7; |
|
|
808 else |
|
|
809 typ = -1; |
|
|
810 endif |
|
|
811 fprintf (plot_stream, |
|
|
812 "set style line %d lt %d lw %f;\n", |
|
|
813 data_idx, typ, obj.linewidth); |
|
|
814 endif |
|
7109
|
815 endif |
|
7119
|
816 endif |
|
7109
|
817 |
|
7119
|
818 if (have_newer_gnuplot) |
|
7109
|
819 if (length(palette_data) > 0) |
|
|
820 fprintf (plot_stream, |
|
|
821 "set palette positive color model RGB maxcolors %i;\n", |
|
|
822 columns(palette_data)); |
|
|
823 fprintf (plot_stream, |
|
|
824 "set palette file \"-\" binary record=%d using 1:2:3:4;\n", |
|
|
825 columns(palette_data)); |
|
|
826 fwrite (plot_stream, palette_data, "float32"); |
|
|
827 endif |
|
|
828 else |
|
7161
|
829 fputs (plot_stream, "set palette defined ("); |
|
|
830 for i = 1: columns(palette_data) |
|
|
831 col = floor(palette_data(2:end,i).' * 255); |
|
|
832 if (i == 1) |
|
|
833 fputs (plot_stream, sprintf("%d \"#%02X%02X%02X\"", i - 1, |
|
|
834 col(1), col(2), col(3))); |
|
|
835 else |
|
|
836 fputs (plot_stream, sprintf(", %d \"#%02X%02X%02X\"", i - 1, |
|
|
837 col(1), col(2), col(3))); |
|
|
838 endif |
|
|
839 endfor |
|
|
840 fputs (plot_stream, ");\n"); |
|
7109
|
841 endif |
|
|
842 fputs (plot_stream, "unset colorbox;\n"); |
|
6405
|
843 endif |
|
|
844 |
|
|
845 case "text" |
|
|
846 lpos = obj.position; |
|
|
847 label = obj.string; |
|
|
848 halign = obj.horizontalalignment; |
|
6724
|
849 angle = obj.rotation; |
|
6752
|
850 units = obj.units; |
|
6829
|
851 color = obj.color; |
|
6758
|
852 if (strcmpi (units, "normalized")) |
|
6752
|
853 units = "graph"; |
|
|
854 else |
|
|
855 units = ""; |
|
|
856 endif |
|
|
857 |
|
6829
|
858 if (isnumeric (color)) |
|
|
859 if (have_newer_gnuplot) |
|
|
860 colorspec = sprintf ("textcolor rgb \"#%02x%02x%02x\"", |
|
|
861 round (255*color)); |
|
|
862 else |
|
|
863 if (isequal (color, [0,0,0])) |
|
|
864 typ = -1; |
|
|
865 elseif (isequal (color, [1,0,0])) |
|
|
866 typ = 1; |
|
|
867 elseif (isequal (color, [0,1,0])) |
|
|
868 typ = 2; |
|
|
869 elseif (isequal (color, [0,0,1])) |
|
|
870 typ = 3; |
|
|
871 elseif (isequal (color, [1,0,1])) |
|
|
872 typ = 4; |
|
|
873 elseif (isequal (color, [0,1,1])) |
|
|
874 typ = 5; |
|
|
875 elseif (isequal (color, [1,1,1])) |
|
|
876 typ = -1; |
|
|
877 elseif (isequal (color, [1,1,0])) |
|
|
878 typ = 7; |
|
|
879 else |
|
|
880 typ = -1; |
|
|
881 endif |
|
|
882 colorspec = sprintf ("textcolor lt %d", typ); |
|
|
883 endif |
|
|
884 endif |
|
|
885 |
|
7163
|
886 [f, s] = get_fontname_and_size (obj); |
|
7162
|
887 |
|
6405
|
888 if (nd == 3) |
|
6724
|
889 fprintf (plot_stream, |
|
7162
|
890 "set label \"%s\" at %s %.15g,%.15g,%.15g font \"%s,%d\" %s rotate by %f %s;\n", |
|
|
891 undo_string_escapes (label), units, lpos(1), |
|
|
892 lpos(2), lpos(3), f, s, halign, angle, colorspec); |
|
6405
|
893 else |
|
7162
|
894 fprintf (plot_stream, |
|
|
895 "set label \"%s\" at %s %.15g,%.15g font \"%s,%d\" %s rotate by %f %s;\n", |
|
|
896 undo_string_escapes (label), units, |
|
|
897 lpos(1), lpos(2), f, s, halign, angle, colorspec); |
|
6405
|
898 endif |
|
|
899 |
|
|
900 otherwise |
|
|
901 error ("__go_draw_axes__: unknown object class, %s", |
|
|
902 obj.type); |
|
|
903 endswitch |
|
|
904 |
|
|
905 endfor |
|
|
906 |
|
7175
|
907 if (isnan(hidden_removal) || hidden_removal) |
|
7149
|
908 fputs (plot_stream, "set hidden3d;\n"); |
|
|
909 else |
|
|
910 fputs (plot_stream, "unset hidden3d;\n"); |
|
|
911 endif |
|
|
912 |
|
7152
|
913 have_data = (! (isempty (data) || any (cellfun (@isempty, data)))); |
|
6405
|
914 |
|
|
915 if (xautoscale && have_data) |
|
|
916 xlim = get_axis_limits (xmin, xmax, xminp, xlogscale); |
|
7008
|
917 if (isempty (xlim)) |
|
|
918 return; |
|
|
919 endif |
|
6405
|
920 set (h, "xlim", xlim, "xlimmode", "auto"); |
|
|
921 else |
|
|
922 xlim = axis_obj.xlim; |
|
|
923 endif |
|
6758
|
924 if (strcmpi (axis_obj.xdir, "reverse")) |
|
6405
|
925 xdir = "reverse"; |
|
|
926 else |
|
|
927 xdir = "noreverse"; |
|
|
928 endif |
|
7115
|
929 fprintf (plot_stream, "set %srange [%.15e:%.15e] %s;\n", |
|
|
930 xaxisloc, xlim, xdir); |
|
6405
|
931 |
|
|
932 if (yautoscale && have_data) |
|
|
933 ylim = get_axis_limits (ymin, ymax, yminp, ylogscale); |
|
7008
|
934 if (isempty (ylim)) |
|
|
935 return; |
|
|
936 endif |
|
6405
|
937 set (h, "ylim", ylim, "ylimmode", "auto"); |
|
|
938 else |
|
|
939 ylim = axis_obj.ylim; |
|
|
940 endif |
|
6758
|
941 if (strcmpi (axis_obj.ydir, "reverse")) |
|
6405
|
942 ydir = "reverse"; |
|
|
943 else |
|
|
944 ydir = "noreverse"; |
|
|
945 endif |
|
7110
|
946 fprintf (plot_stream, "set %srange [%.15e:%.15e] %s;\n", |
|
|
947 yaxisloc, ylim, ydir); |
|
6405
|
948 |
|
7119
|
949 if (nd == 3) |
|
6405
|
950 if (zautoscale && have_data) |
|
|
951 zlim = get_axis_limits (zmin, zmax, zminp, zlogscale); |
|
7008
|
952 if (isempty (zlim)) |
|
|
953 return; |
|
|
954 endif |
|
6405
|
955 set (h, "zlim", zlim, "zlimmode", "auto"); |
|
|
956 else |
|
|
957 zlim = axis_obj.zlim; |
|
|
958 endif |
|
6758
|
959 if (strcmpi (axis_obj.zdir, "reverse")) |
|
6405
|
960 zdir = "reverse"; |
|
|
961 else |
|
|
962 zdir = "noreverse"; |
|
|
963 endif |
|
6942
|
964 fprintf (plot_stream, "set zrange [%.15e:%.15e] %s;\n", zlim, zdir); |
|
6405
|
965 endif |
|
7110
|
966 |
|
6758
|
967 if (strcmpi (axis_obj.box, "on")) |
|
7119
|
968 if (nd == 3) |
|
6405
|
969 fputs (plot_stream, "set border 4095;\n"); |
|
|
970 else |
|
|
971 fputs (plot_stream, "set border 431;\n"); |
|
|
972 endif |
|
|
973 else |
|
7119
|
974 if (nd == 3) |
|
6405
|
975 fputs (plot_stream, "set border 895;\n"); |
|
|
976 else |
|
|
977 fputs (plot_stream, "set border 3;\n"); |
|
|
978 fputs (plot_stream, "set xtics nomirror; set ytics nomirror;\n"); |
|
|
979 endif |
|
|
980 endif |
|
|
981 |
|
7060
|
982 if (strcmpi (axis_obj.visible, "off")) |
|
|
983 fputs (plot_stream, "unset border; unset tics\n"); |
|
|
984 endif |
|
|
985 |
|
6758
|
986 if (strcmpi (axis_obj.key, "on")) |
|
|
987 if (strcmpi (axis_obj.keybox, "on")) |
|
6405
|
988 box = "box"; |
|
|
989 else |
|
|
990 box = "nobox"; |
|
|
991 endif |
|
|
992 inout = "inside"; |
|
6977
|
993 keypos = axis_obj.keypos; |
|
|
994 if (ischar (keypos)) |
|
|
995 keypos = lower (keypos); |
|
|
996 keyout = findstr (keypos, "outside"); |
|
|
997 if (! isempty (keyout)) |
|
|
998 inout = "outside"; |
|
7119
|
999 keypos = keypos(1:keyout-1); |
|
6977
|
1000 endif |
|
|
1001 endif |
|
|
1002 switch (keypos) |
|
6405
|
1003 case -1 |
|
6977
|
1004 pos = "right top"; |
|
6405
|
1005 inout = "outside"; |
|
|
1006 case 1 |
|
|
1007 pos = "right top"; |
|
|
1008 case 2 |
|
|
1009 pos = "left top"; |
|
|
1010 case 3 |
|
|
1011 pos = "left bottom"; |
|
6977
|
1012 case {4, 0} |
|
6405
|
1013 pos = "right bottom"; |
|
6977
|
1014 case "north" |
|
|
1015 pos = "center top"; |
|
|
1016 case "south" |
|
|
1017 pos = "center bottom"; |
|
|
1018 case "east" |
|
|
1019 pos = "right center"; |
|
|
1020 case "west" |
|
|
1021 pos = "left center"; |
|
|
1022 case "northeast" |
|
|
1023 pos = "right top"; |
|
|
1024 case "northwest" |
|
|
1025 pos = "left top"; |
|
|
1026 case "southeast" |
|
|
1027 pos = "right bottom"; |
|
|
1028 case "southwest" |
|
|
1029 pos = "left bottom"; |
|
|
1030 case "best" |
|
|
1031 pos = ""; |
|
|
1032 warning ("legend: 'Best' not yet implemented for location specifier.\n"); |
|
|
1033 ## least conflict with data in plot |
|
|
1034 ## least unused space outside plot |
|
6405
|
1035 otherwise |
|
|
1036 pos = ""; |
|
|
1037 endswitch |
|
|
1038 if (! have_newer_gnuplot) |
|
|
1039 inout = ""; |
|
|
1040 endif |
|
|
1041 fprintf (plot_stream, "set key %s %s %s;\n", inout, pos, box); |
|
|
1042 else |
|
|
1043 fputs (plot_stream, "unset key;\n"); |
|
|
1044 endif |
|
|
1045 |
|
|
1046 fputs (plot_stream, "set style data lines;\n"); |
|
|
1047 |
|
|
1048 if (! use_gnuplot_for_images) |
|
|
1049 for i = 1:ximg_data_idx |
|
|
1050 view_fcn (xlim, ylim, ximg_data{i}, view_zoom, view_cmd); |
|
|
1051 endfor |
|
|
1052 endif |
|
|
1053 |
|
|
1054 if (have_data) |
|
|
1055 if (nd == 2) |
|
|
1056 plot_cmd = "plot"; |
|
|
1057 else |
|
|
1058 plot_cmd = "splot"; |
|
|
1059 rot_x = 90 - axis_obj.view(2); |
|
|
1060 rot_z = axis_obj.view(1); |
|
|
1061 while (rot_z < 0) |
|
|
1062 rot_z += 360; |
|
|
1063 endwhile |
|
6461
|
1064 fputs (plot_stream, "set ticslevel 0;\n"); |
|
6914
|
1065 fprintf (plot_stream, "set view %.15g, %.15g;\n", rot_x, rot_z); |
|
6405
|
1066 endif |
|
6611
|
1067 fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, |
|
6464
|
1068 usingclause{1}, titlespec{1}, withclause{1}); |
|
6405
|
1069 for i = 2:data_idx |
|
6611
|
1070 fprintf (plot_stream, ", \"-\" %s %s %s \\\n", |
|
6464
|
1071 usingclause{i}, titlespec{i}, withclause{i}); |
|
6405
|
1072 endfor |
|
|
1073 fputs (plot_stream, ";\n"); |
|
|
1074 for i = 1:data_idx |
|
6464
|
1075 if (is_image_data(i)) |
|
|
1076 fwrite (plot_stream, data{i}, "float32"); |
|
|
1077 else |
|
7119
|
1078 __gnuplot_write_data__ (plot_stream, data{i}, nd, parametric(i), |
|
|
1079 have_cdata(i)); |
|
6405
|
1080 endif |
|
|
1081 endfor |
|
6431
|
1082 else |
|
|
1083 fputs (plot_stream, "plot \"-\";\nInf Inf\ne\n"); |
|
6405
|
1084 endif |
|
|
1085 |
|
|
1086 fflush (plot_stream); |
|
|
1087 |
|
|
1088 else |
|
|
1089 print_usage (); |
|
7109
|
1090 endif |
|
6405
|
1091 |
|
|
1092 endfunction |
|
|
1093 |
|
6453
|
1094 function [xmin, xmax, xminp] = get_data_limits (xmin, xmax, xminp, xdat, tx) |
|
7119
|
1095 if (! (isempty (xdat) || (nargin > 4 && isempty (tx)))) |
|
7115
|
1096 xdat = xdat(! isinf (xdat)); |
|
|
1097 xmin = min (xmin, min (xdat)); |
|
|
1098 xmax = max (xmax, max (xdat)); |
|
|
1099 if (nargin == 5) |
|
|
1100 tx = tx(! isinf (xdat) & tx > 0); |
|
|
1101 if (! isempty (tx)) |
|
|
1102 xminp = min (xminp, min (tx)); |
|
|
1103 endif |
|
|
1104 else |
|
|
1105 tmp = min (xdat(xdat > 0)); |
|
|
1106 if (! isempty (tmp)) |
|
|
1107 xminp = min (xminp, tmp); |
|
|
1108 endif |
|
7012
|
1109 endif |
|
6453
|
1110 endif |
|
|
1111 endfunction |
|
|
1112 |
|
6405
|
1113 ## Attempt to make "nice" limits from the actual max and min of the |
|
|
1114 ## data. For log plots, we will also use the smallest strictly positive |
|
|
1115 ## value. |
|
|
1116 |
|
|
1117 function lim = get_axis_limits (min_val, max_val, min_pos, logscale) |
|
|
1118 |
|
7115
|
1119 if (! (isinf (min_val) || isinf (max_val))) |
|
|
1120 if (logscale) |
|
|
1121 if (isinf (min_pos)) |
|
|
1122 lim = []; |
|
|
1123 warning ("axis: logscale with no positive values to plot"); |
|
|
1124 return; |
|
|
1125 endif |
|
|
1126 if (min_val <= 0) |
|
|
1127 warning ("axis: omitting nonpositive data in log plot"); |
|
|
1128 min_val = min_pos; |
|
|
1129 endif |
|
|
1130 ## FIXME -- maybe this test should also be relative? |
|
|
1131 if (abs (min_val - max_val) < sqrt (eps)) |
|
|
1132 min_val *= 0.9; |
|
|
1133 max_val *= 1.1; |
|
|
1134 endif |
|
|
1135 min_val = 10 ^ floor (log10 (min_val)); |
|
|
1136 max_val = 10 ^ ceil (log10 (max_val)); |
|
|
1137 else |
|
|
1138 if (min_val == 0 && max_val == 0) |
|
|
1139 min_val = -1; |
|
|
1140 max_val = 1; |
|
|
1141 ## FIXME -- maybe this test should also be relative? |
|
|
1142 elseif (abs (min_val - max_val) < sqrt (eps)) |
|
|
1143 min_val -= 0.1 * abs (min_val); |
|
|
1144 max_val += 0.1 * abs (max_val); |
|
|
1145 endif |
|
|
1146 ## FIXME -- to do a better job, we should consider the tic spacing. |
|
|
1147 scale = 10 ^ floor (log10 (max_val - min_val) - 1); |
|
|
1148 min_val = scale * floor (min_val / scale); |
|
|
1149 max_val = scale * ceil (max_val / scale); |
|
6405
|
1150 endif |
|
|
1151 endif |
|
|
1152 |
|
|
1153 lim = [min_val, max_val]; |
|
|
1154 |
|
|
1155 endfunction |
|
|
1156 |
|
6465
|
1157 function [style, typ, with] = do_linestyle_command (obj, idx, plot_stream) |
|
6405
|
1158 |
|
6413
|
1159 persistent have_newer_gnuplot ... |
|
|
1160 = compare_versions (__gnuplot_version__ (), "4.0", ">"); |
|
6405
|
1161 |
|
|
1162 if (have_newer_gnuplot) |
|
|
1163 fprintf (plot_stream, "set style line %d default;\n", idx); |
|
|
1164 endif |
|
|
1165 fprintf (plot_stream, "set style line %d", idx); |
|
|
1166 |
|
|
1167 found_style = false; |
|
6425
|
1168 typ = NaN; |
|
6465
|
1169 with = ""; |
|
6405
|
1170 |
|
6425
|
1171 if (isfield (obj, "color")) |
|
6405
|
1172 color = obj.color; |
|
|
1173 if (isnumeric (color)) |
|
6425
|
1174 if (have_newer_gnuplot) |
|
|
1175 fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", |
|
|
1176 round (255*color)); |
|
|
1177 else |
|
|
1178 if (isequal (color, [0,0,0])) |
|
|
1179 typ = -1; |
|
|
1180 elseif (isequal (color, [1,0,0])) |
|
|
1181 typ = 1; |
|
|
1182 elseif (isequal (color, [0,1,0])) |
|
|
1183 typ = 2; |
|
|
1184 elseif (isequal (color, [0,0,1])) |
|
|
1185 typ = 3; |
|
|
1186 elseif (isequal (color, [1,0,1])) |
|
|
1187 typ = 4; |
|
|
1188 elseif (isequal (color, [0,1,1])) |
|
|
1189 typ = 5; |
|
|
1190 elseif (isequal (color, [1,1,1])) |
|
|
1191 typ = 6; |
|
|
1192 elseif (isequal (color, [1,1,0])) |
|
|
1193 typ = 7; |
|
|
1194 else |
|
|
1195 typ = 2; |
|
|
1196 endif |
|
|
1197 endif |
|
6405
|
1198 endif |
|
|
1199 found_style = true; |
|
|
1200 endif |
|
|
1201 |
|
|
1202 if (isfield (obj, "linestyle")) |
|
|
1203 switch (obj.linestyle) |
|
|
1204 case "-" |
|
6415
|
1205 lt = "1"; |
|
6405
|
1206 case "--" |
|
6415
|
1207 lt = "2"; |
|
6405
|
1208 case ":" |
|
6415
|
1209 lt = "3"; |
|
6405
|
1210 case "-." |
|
6415
|
1211 lt = "6"; |
|
6405
|
1212 case "none" |
|
|
1213 lt = ""; |
|
|
1214 otherwise |
|
|
1215 lt = ""; |
|
|
1216 endswitch |
|
6843
|
1217 |
|
|
1218 ## FIXME -- linetype is currently broken, since it disables the |
|
|
1219 ## gnuplot default dashed and solid linestyles with the only |
|
|
1220 ## benefit of being able to specify '--' and get a single sized |
|
|
1221 ## dashed line of identical dash pattern for all called this way. |
|
|
1222 ## All dash patterns are a subset of "with lines" and none of the |
|
|
1223 ## lt specifications will correctly propagate into the x11 terminal |
|
|
1224 ## or the print command. Therefore, it is currently disabled in |
|
|
1225 ## order to allow print (..., "-dashed") etc. to work correctly. |
|
|
1226 |
|
|
1227 ## if (! isempty (lt)) |
|
|
1228 ## fprintf (plot_stream, " linetype %s", lt); |
|
|
1229 ## found_style = true; |
|
|
1230 ## endif |
|
|
1231 |
|
6405
|
1232 else |
|
|
1233 lt = ""; |
|
|
1234 endif |
|
|
1235 |
|
|
1236 if (isfield (obj, "linewidth")) |
|
6465
|
1237 if (have_newer_gnuplot) |
|
|
1238 fprintf (plot_stream, " linewidth %f", obj.linewidth); |
|
|
1239 else |
|
|
1240 with = sprintf ("%s lw %f", with, obj.linewidth); |
|
|
1241 endif |
|
6405
|
1242 found_style = true; |
|
|
1243 endif |
|
|
1244 |
|
|
1245 if (isfield (obj, "marker")) |
|
|
1246 switch (obj.marker) |
|
|
1247 case "+" |
|
|
1248 pt = "1"; |
|
|
1249 case "o" |
|
6413
|
1250 pt = "6"; |
|
6405
|
1251 case "*" |
|
|
1252 pt = "3"; |
|
|
1253 case "." |
|
7078
|
1254 pt = "0"; |
|
6405
|
1255 case "x" |
|
|
1256 pt = "2"; |
|
|
1257 case {"square", "s"} |
|
|
1258 pt = "5"; |
|
|
1259 case {"diamond", "d"} |
|
|
1260 pt = "13"; |
|
|
1261 case "^" |
|
|
1262 pt = "9"; |
|
|
1263 case "v" |
|
|
1264 pt = "11"; |
|
|
1265 case ">" |
|
|
1266 pt = "8"; |
|
|
1267 case "<" |
|
|
1268 pt = "10"; |
|
|
1269 case {"pentagram", "p"} |
|
|
1270 pt = "4"; |
|
|
1271 case {"hexagram", "h"} |
|
6413
|
1272 pt = "12"; |
|
6405
|
1273 case "none" |
|
|
1274 pt = ""; |
|
|
1275 otherwise |
|
|
1276 pt = ""; |
|
|
1277 endswitch |
|
|
1278 if (! isempty (pt)) |
|
6465
|
1279 if (have_newer_gnuplot) |
|
|
1280 fprintf (plot_stream, " pointtype %s", pt); |
|
|
1281 else |
|
|
1282 with = sprintf ("%s pt %s", with, pt); |
|
|
1283 endif |
|
6405
|
1284 found_style = true; |
|
|
1285 endif |
|
|
1286 else |
|
|
1287 pt = ""; |
|
|
1288 endif |
|
|
1289 |
|
|
1290 style = "lines"; |
|
|
1291 if (isempty (lt)) |
|
|
1292 if (! isempty (pt)) |
|
|
1293 style = "points"; |
|
|
1294 endif |
|
|
1295 elseif (! isempty (pt)) |
|
|
1296 style = "linespoints"; |
|
|
1297 endif |
|
|
1298 |
|
6465
|
1299 if (isfield (obj, "markersize")) |
|
|
1300 if (have_newer_gnuplot) |
|
|
1301 fprintf (plot_stream, " pointsize %f", obj.markersize); |
|
|
1302 else |
|
6758
|
1303 if (! strcmpi (style, "lines")) |
|
6465
|
1304 with = sprintf ("%s ps %f", with, obj.markersize); |
|
|
1305 endif |
|
|
1306 endif |
|
|
1307 found_style = true; |
|
|
1308 endif |
|
|
1309 |
|
6405
|
1310 if (have_newer_gnuplot && ! found_style) |
|
|
1311 fputs (plot_stream, " default"); |
|
|
1312 endif |
|
|
1313 |
|
|
1314 fputs (plot_stream, ";\n"); |
|
|
1315 |
|
|
1316 endfunction |
|
6510
|
1317 |
|
7119
|
1318 function __gnuplot_write_data__ (plot_stream, data, nd, parametric, cdata) |
|
6510
|
1319 |
|
|
1320 ## DATA is already transposed. |
|
|
1321 |
|
|
1322 ## FIXME -- this may need to be converted to C++ for speed. |
|
|
1323 |
|
6605
|
1324 ## Convert NA elements to normal NaN values because fprintf writes |
|
|
1325 ## "NA" and that confuses gnuplot. |
|
|
1326 idx = find (isna (data)); |
|
|
1327 if (any (idx)) |
|
|
1328 data(idx) = NaN; |
|
|
1329 endif |
|
|
1330 |
|
6510
|
1331 if (nd == 2) |
|
|
1332 nan_elts = find (sum (isnan (data))); |
|
6914
|
1333 fmt = strcat (repmat ("%.15g ", 1, rows (data)), "\n"); |
|
6510
|
1334 if (isempty (nan_elts)) |
|
|
1335 fprintf (plot_stream, fmt, data); |
|
|
1336 else |
|
|
1337 n = columns (data); |
|
|
1338 have_nans = true; |
|
|
1339 num_nan_elts = numel (nan_elts); |
|
|
1340 k = 1; |
|
|
1341 for i = 1:n |
|
|
1342 if (have_nans && i == nan_elts(k)) |
|
|
1343 fputs (plot_stream, "\n"); |
|
|
1344 have_nans = ++k <= num_nan_elts; |
|
|
1345 else |
|
|
1346 fprintf (plot_stream, fmt, data(:,i)); |
|
|
1347 endif |
|
|
1348 endfor |
|
|
1349 endif |
|
7109
|
1350 elseif (nd == 3) |
|
6510
|
1351 ## FIXME -- handle NaNs here too? |
|
|
1352 if (parametric) |
|
6914
|
1353 fprintf (plot_stream, "%.15g %.15g %.15g\n", data); |
|
6510
|
1354 else |
|
7170
|
1355 nr = rows (data); |
|
7119
|
1356 if (cdata) |
|
7170
|
1357 for j = 1:4:nr |
|
|
1358 fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data(j:j+3,:)); |
|
7119
|
1359 fputs (plot_stream, "\n"); |
|
|
1360 endfor |
|
|
1361 else |
|
7170
|
1362 for j = 1:3:nr |
|
|
1363 fprintf (plot_stream, "%.15g %.15g %.15g\n", data(j:j+2,:)); |
|
7119
|
1364 fputs (plot_stream, "\n"); |
|
|
1365 endfor |
|
|
1366 endif |
|
7109
|
1367 endif |
|
6510
|
1368 endif |
|
|
1369 fputs (plot_stream, "e\n"); |
|
|
1370 |
|
|
1371 endfunction |
|
6745
|
1372 |
|
|
1373 function do_tics (obj, plot_stream) |
|
6809
|
1374 if (strcmpi (obj.xaxislocation, "top")) |
|
|
1375 do_tics_1 (obj.xtickmode, obj.xtick, obj.xticklabelmode, obj.xticklabel, |
|
|
1376 "x2", plot_stream); |
|
|
1377 do_tics_1 ("manual", [], obj.xticklabelmode, obj.xticklabel, |
|
|
1378 "x", plot_stream); |
|
|
1379 else |
|
|
1380 do_tics_1 (obj.xtickmode, obj.xtick, obj.xticklabelmode, obj.xticklabel, |
|
|
1381 "x", plot_stream); |
|
|
1382 do_tics_1 ("manual", [], obj.xticklabelmode, obj.xticklabel, |
|
|
1383 "x2", plot_stream); |
|
|
1384 endif |
|
|
1385 if (strcmpi (obj.yaxislocation, "right")) |
|
|
1386 do_tics_1 (obj.ytickmode, obj.ytick, obj.yticklabelmode, obj.yticklabel, |
|
|
1387 "y2", plot_stream); |
|
|
1388 do_tics_1 ("manual", [], obj.yticklabelmode, obj.yticklabel, |
|
|
1389 "y", plot_stream); |
|
|
1390 else |
|
|
1391 do_tics_1 (obj.ytickmode, obj.ytick, obj.yticklabelmode, obj.yticklabel, |
|
|
1392 "y", plot_stream); |
|
|
1393 do_tics_1 ("manual", [], obj.yticklabelmode, obj.yticklabel, |
|
|
1394 "y2", plot_stream); |
|
|
1395 endif |
|
6745
|
1396 do_tics_1 (obj.ztickmode, obj.ztick, obj.zticklabelmode, obj.zticklabel, |
|
|
1397 "z", plot_stream); |
|
|
1398 endfunction |
|
|
1399 |
|
|
1400 function do_tics_1 (ticmode, tics, labelmode, labels, ax, plot_stream) |
|
6758
|
1401 if (strcmpi (ticmode, "manual")) |
|
6745
|
1402 if (isempty (tics)) |
|
|
1403 fprintf (plot_stream, "unset %stics;\n", ax); |
|
6758
|
1404 elseif (strcmpi (labelmode, "manual") && ! isempty (labels)) |
|
6751
|
1405 if (ischar (labels)) |
|
|
1406 labels = cellstr (labels); |
|
|
1407 endif |
|
6745
|
1408 if (iscellstr (labels)) |
|
6751
|
1409 k = 1; |
|
|
1410 ntics = numel (tics); |
|
|
1411 nlabels = numel (labels); |
|
6745
|
1412 fprintf (plot_stream, "set format %s \"%%s\";\n", ax); |
|
|
1413 fprintf (plot_stream, "set %stics (", ax); |
|
|
1414 for i = 1:ntics |
|
6920
|
1415 fprintf (plot_stream, " \"%s\" %g", labels(k++), tics(i)) |
|
6745
|
1416 if (i < ntics) |
|
|
1417 fputs (plot_stream, ", "); |
|
|
1418 endif |
|
|
1419 if (k > nlabels) |
|
|
1420 k = 1; |
|
|
1421 endif |
|
|
1422 endfor |
|
|
1423 fputs (plot_stream, ");\n"); |
|
|
1424 else |
|
|
1425 error ("unsupported type of ticklabel"); |
|
|
1426 endif |
|
|
1427 else |
|
6920
|
1428 fprintf (plot_stream, "set format %s \"%%g\";\n", ax); |
|
6745
|
1429 fprintf (plot_stream, "set %stics (", ax); |
|
6920
|
1430 fprintf (plot_stream, " %g,", tics(1:end-1)); |
|
|
1431 fprintf (plot_stream, " %g);\n", tics(end)); |
|
6745
|
1432 endif |
|
|
1433 else |
|
6920
|
1434 fprintf (plot_stream, "set format %s \"%%g\";\n", ax); |
|
6745
|
1435 fprintf (plot_stream, "set %stics;\n", ax); |
|
|
1436 endif |
|
|
1437 endfunction |
|
7163
|
1438 |
|
|
1439 function [f, s] = get_fontname_and_size (t) |
|
|
1440 if (isempty (t.fontname)) |
|
7168
|
1441 f = "helvetica"; |
|
7163
|
1442 else |
|
7168
|
1443 f = tolower (t.fontname); |
|
|
1444 endif |
|
|
1445 if (! isempty (t.fontweight) && strcmp (tolower (t.fontweight), "bold")) |
|
|
1446 if (! isempty(t.fontangle) |
|
|
1447 && (strcmp (tolower (t.fontangle), "italic") |
|
|
1448 || strcmp (tolower (t.fontangle), "oblique"))) |
|
|
1449 f = strcat (f, "-bolditalic"); |
|
|
1450 else |
|
|
1451 f = strcat (f, "-bold"); |
|
|
1452 endif |
|
|
1453 elseif (! isempty(t.fontangle) |
|
|
1454 && (strcmp (tolower (t.fontangle), "italic") |
|
|
1455 || strcmp (tolower (t.fontangle), "oblique"))) |
|
|
1456 f = strcat (f, "-italic"); |
|
7163
|
1457 endif |
|
|
1458 if (isempty (t.fontsize)) |
|
|
1459 s = 10; |
|
|
1460 else |
|
|
1461 s = t.fontsize; |
|
|
1462 endif |
|
|
1463 endfunction |
