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<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Dear Jens,<o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">If you use plot3d instead of surf, it is ok.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The problem is that surf uses Matlab definition of the matrix Z whereas plot3d, … use Scilab definition.
</span><span lang="EN-US" style="font-size:11.0pt;font-family:Wingdings;color:#1F497D;mso-fareast-language:EN-US">è</span><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"> there is a transposition
between these two definitions (see help file)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Ndgrid for plot3d, contour, …<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Meshgrid for surf<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">If you would like to use surf with ndgrid: surf(x,y,Z.’)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">PM
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="FR" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">De :</span></b><span lang="FR" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> users [mailto:users-bounces@lists.scilab.org]
<b>De la part de</b> Jens Simon Strom<br>
<b>Envoyé :</b> dimanche 14 mai 2017 18:51<br>
<b>À :</b> International users mailing list for Scilab. <users@lists.scilab.org><br>
<b>Objet :</b> [Scilab-users] surf and plot3d<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<pre><span style="font-size:9.0pt">Hi,<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt">Please check the graph below:<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt"><o:p> </o:p></span></pre>
<pre><span style="font-size:9.0pt">x</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt;color:#4A55DB">[</span><span style="font-size:9.0pt;color:rosybrown">0</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:rosybrown">1</span><span style="font-size:9.0pt;color:#4A55DB">]</span><span style="font-size:9.0pt">; y</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt;color:#4A55DB">[</span><span style="font-size:9.0pt;color:rosybrown">0</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:rosybrown">2</span><span style="font-size:9.0pt;color:#4A55DB">]</span><span style="font-size:9.0pt">;<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt;color:#4A55DB">[</span><span style="font-size:9.0pt">X,Y</span><span style="font-size:9.0pt;color:#4A55DB">]</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><u><span style="font-size:9.0pt;color:#AE5CB0">ndgrid</span></u><span style="font-size:9.0pt;color:#4A55DB">(</span><span style="font-size:9.0pt">x,y</span><span style="font-size:9.0pt;color:#4A55DB">)</span><span style="font-size:9.0pt"><o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt">Z</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt">X</span><span style="font-size:9.0pt;color:#5C5C5C">+</span><span style="font-size:9.0pt;color:rosybrown">2</span><span style="font-size:9.0pt;color:#5C5C5C">*</span><span style="font-size:9.0pt">Y<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt;color:#32B9B9">xdel</span><span style="font-size:9.0pt;color:#4A55DB">()</span><span style="font-size:9.0pt">;<o:p></o:p></span></pre>
<pre><u><span style="font-size:9.0pt;color:#AE5CB0">surf</span></u><span style="font-size:9.0pt;color:#4A55DB">(</span><span style="font-size:9.0pt">x,y,Z</span><span style="font-size:9.0pt;color:#4A55DB">)</span><span style="font-size:9.0pt"><o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt;color:#32B9B9">param3d</span><span style="font-size:9.0pt;color:#4A55DB">(</span><span style="font-size:9.0pt">X,Y,Z</span><span style="font-size:9.0pt;color:#4A55DB">)</span><span style="font-size:9.0pt"><o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt">ce</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><u><span style="font-size:9.0pt;color:#AE5CB0">gce</span></u><span style="font-size:9.0pt;color:#4A55DB">()</span><span style="font-size:9.0pt">; ce</span><span style="font-size:9.0pt;color:#5C5C5C">.</span><span style="font-size:9.0pt;color:#AAAAAA">line_mode</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt;color:rosybrown">"off"</span><span style="font-size:9.0pt">; ce</span><span style="font-size:9.0pt;color:#5C5C5C">.</span><span style="font-size:9.0pt;color:#AAAAAA">mark_mode</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:rosybrown">"on"</span><span style="font-size:9.0pt">; ce</span><span style="font-size:9.0pt;color:#5C5C5C">.</span><span style="font-size:9.0pt;color:#AAAAAA">mark_size</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:rosybrown">10</span><span style="font-size:9.0pt"><o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt">ca</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><u><span style="font-size:9.0pt;color:#AE5CB0">gca</span></u><span style="font-size:9.0pt;color:#4A55DB">()</span><span style="font-size:9.0pt">; ca</span><span style="font-size:9.0pt;color:#5C5C5C">.</span><span style="font-size:9.0pt;color:#AAAAAA">rotation_angles</span><span style="font-size:9.0pt;color:#5C5C5C">=</span><span style="font-size:9.0pt;color:#4A55DB">[</span><span style="font-size:9.0pt;color:rosybrown">65</span><span style="font-size:9.0pt"> </span><span style="font-size:9.0pt;color:rosybrown">290</span><span style="font-size:9.0pt;color:#4A55DB">]</span><span style="font-size:9.0pt">;<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt"><o:p> </o:p></span></pre>
<pre><span style="font-size:9.0pt">The facet corners do not coincide with the marks in Version 5.4.0. and 5.5.2.. Shouldn't they?<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt"><o:p> </o:p></span></pre>
<pre><span style="font-size:9.0pt">Kind regards<o:p></o:p></span></pre>
<pre><span style="font-size:9.0pt">Jens<o:p></o:p></span></pre>
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