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Thanks Samuel,<br>
%nan works with surf, not with plot3d. The latter is attractive
because it can handle polygons - but unfortunately not those with
embayments: Facet coloring exeeds the contour (Vers. 5.5.2)<br>
I have to assemble my facet with several windos from partially
overlapping rectangles <br>
<br>
Cheers<br>
Jens<br>
<br>
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<div class="moz-cite-prefix">Am 01.10.2018 08:28, schrieb Samuel
Gougeon:<br>
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<blockquote cite="mid:da877802-c901-029d-7e2f-1c4a615b7e4b@free.fr"
type="cite">
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<div class="moz-cite-prefix">Hello Jens,<br>
<br>
%nan are often used to do so: As soon as at least one coordinate
of a vertex is equal to %nan, the vertex and all lines and
facets going through it are skipped/not rendered.<br>
<br>
HTH<br>
Samuel<br>
<br>
<br>
Le 30/09/2018 à 23:35, Jens Simon Strom a écrit :<br>
</div>
<blockquote cite="mid:5BB141B8.1060505@hslmg.de" type="cite">
Hallo Scilab friends,<br>
Is there a way to punch a<b> peak through</b> hole into a
rectangle?<br>
<br>
The result below looks like a hole but it is just white
intransparent color. <br>
<pre><span>xdel</span><span>(</span><span>)</span><span>;</span>
<span>xf</span><span>=</span><span></span><span>[</span><span>1</span><span>;</span><span>-</span><span>1</span><span>;</span><span>-</span><span>1</span><span>;</span><span>1</span><span>]</span><span>;</span> <span>yf</span><span>=</span><span></span><span>[</span><span>1</span><span>;</span><span>1</span><span>;</span><span>-</span><span>1</span><span>;</span><span>-</span><span>1</span><span>]</span><span>;</span> <span>zf</span><span>=</span><span>[</span><span>0</span><span>;</span><span>0</span><span>;</span><span>0</span><span>;</span><span>0</span><span>]</span><span>;</span>
<span>plot3d</span><span>(</span><span>xf</span><span>,</span><span>yf</span><span>,</span><span>list</span><span>(</span><span>zf</span><span>,</span><span>5</span><span>)</span><span>)</span><span>//Facet</span>
<span>ce</span><span>=</span><span>gce</span><span>(</span><span>)</span><span>;</span> <span>ce</span><span>.</span><span>hiddencolor</span> <span>=</span> <span>5</span><span>;</span>
<span>xf</span><span>=</span><span>0.5</span><span>*</span><span>[</span><span>1</span><span>;</span><span>-</span><span>1</span><span>;</span><span>-</span><span>1</span><span>;</span><span>1</span><span>]</span><span>;</span> <span>yf</span><span>=</span><span>0.5</span><span>*</span><span>[</span><span>1</span><span>;<span>1</span><span>;</span><span>-</span><span>1</span><span>;</span><span>-</span><span>1</span><span>]</span><span>;</span> <span>zf</span><span>=</span><span>[</span><span>0</span><span>;</span><span>0</span><span>;</span><span>0</span><span>;</span><span>0</span><span>]</span><span>;</span>
<span>plot3d</span><span>(</span><span>xf</span><span>,</span><span>yf</span><span>,</span><span>list</span><span>(</span><span>zf</span><span>,</span><span>8</span><span>)</span><span>)</span><span>//Hole</span>
<span>ce</span><span>=</span><span>gce</span><span>(</span><span>)</span><span>;</span> <span>ce</span><span>.</span><span>hiddencolor</span> <span>=</span> <span>8</span><span>;
Cheers
Jens
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