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<div class="moz-cite-prefix">Hello Bean?<br>
<br>
You can use the polytop intersector to get all primitives inside
and draw them with an polygon offset applied on top of the
original geometry.<br>
<br>
Cheers<br>
Sebastian <br>
</div>
<blockquote
cite="mid:CALic4kd+JGgJhvdaiz6sCa=erZ_vCr64FaEsup09iWnkPO2UHw@mail.gmail.com"
type="cite">
<div dir="ltr">
<div><span class=""
style="float:left;margin:0px;padding:0px;max-height:40px;overflow:hidden"><a
moz-do-not-send="true"
href="https://groups.google.com/forum/#%21searchin/osg-users/how$20to$20draw$20a$20Curved$20Surface$20on$20the$20top$20of$20terrain$3F/osg-users/q0fcYqNZ84E/LqfRH3rBrTUJ"><font
color="#50799b" face="Microsoft YaHei"><span
style="font-size:12px;line-height:19.2px">primitive
problem</span></font><br>
</a></span><span class=""
style="float:left;margin:0px;padding:0px;max-height:40px;overflow:hidden"><a
moz-do-not-send="true"
href="https://groups.google.com/forum/#%21searchin/osg-users/how$20to$20draw$20a$20Curved$20Surface$20on$20the$20top$20of$20terrain$3F/osg-users/q0fcYqNZ84E/LqfRH3rBrTUJ"><br>
<br>
</a></span></div>
<div><br>
</div>
<span
style="color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:12px;line-height:18px;background-color:rgb(239,239,239)">
<div><span
style="color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:12px;line-height:18px;background-color:rgb(239,239,239)"><br>
</span></div>
1、how to draw a Curved Surface on the top of terrain? like the
fig. </span><br
style="color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:12px;line-height:18px;background-color:rgb(239,239,239)">
<span
style="color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:12px;line-height:18px;background-color:rgb(239,239,239)">2、
how to compute the surface area of the Curved Surface? </span><br>
<div><span
style="color:rgb(0,0,0);font-family:Verdana,Arial,Helvetica,sans-serif;font-size:12px;line-height:18px;background-color:rgb(239,239,239)"><img
src="cid:part3.00070806.01070505@gmx.de" alt="内嵌图片 1"
height="187" width="196"><br>
</span></div>
<div><span style="background-color:rgb(239,239,239)"><font
color="#000000" face="Verdana, Arial, Helvetica,
sans-serif"><span style="font-size:12px;line-height:18px">I
want to use polytope intersector, but I don't
have inspiration. So can you give me some advise?</span></font></span></div>
<div><span style="background-color:rgb(239,239,239)"><font
color="#000000" face="Verdana, Arial, Helvetica,
sans-serif"><span style="font-size:12px;line-height:18px">thank
you a lot.</span></font></span></div>
</div>
<br>
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</blockquote>
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