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Thanks Herbert!<br>But it don't work like I want. The mimimal is this:<br><br>\listfiles<br>\documentclass{article}<br><br>\usepackage{pst-solides3d,pstricks-add}<br><br>\begin{document}<br>\begin{center}<br>\psset{unit=0.8}<br>\begin{pspicture}[showgrid=false](-4,-2)(3,3.5)<br>&nbsp;\psset{viewpoint=100 27.5 20,Decran=60}<br>&nbsp;\psSolid[object=face,base=0 -3 9 -3&nbsp; 9 3 0 3,action=draw*,fillcolor=white,linestyle=dashed]<br>&nbsp;\defFunction{F}(t){t 2 exp}{t}{}<br>&nbsp;\psSolid[object=face,base=3 -3 {F} CourbeR2+,resolution=360,action=draw]<br>&nbsp;\psSolid[object=face,base=3.25 3 {F} CourbeR2+,resolution=360,action=draw]<br>&nbsp;\psSolid[object=face,base=-3 -3.25 {F} CourbeR2+,resolution=360,action=draw]<br>&nbsp;\psSolid[object=plan,definition=equation,args={[1 0 0 -9]},base=-5 0 -3 3,action=draw*,fillcolor=gray!20,opacity=0.4]<br>&nbsp;\axesIIID[showOrigin=true](0,-5,0)(14,4,5)<br>&nbsp;\end{pspicture}<br>\end{center}<br>\end{document}<br><br>and the list of files is this:<br><br>*File List*<br>&nbsp;article.cls&nbsp;&nbsp;&nbsp; 2005/09/16 v1.4f Standard LaTeX document class<br>&nbsp; size10.clo&nbsp;&nbsp;&nbsp; 2005/09/16 v1.4f Standard LaTeX file (size option)<br>pst-solides3d.sty&nbsp;&nbsp;&nbsp; 2007/10/12 package wrapper for pst-solides3d<br>pstricks.sty&nbsp;&nbsp;&nbsp; 2008/11/26 v0.40 LaTeX wrapper for `PSTricks' (RN,HV)<br>pstricks.tex&nbsp;&nbsp;&nbsp; 2009/01/25 v1.27 `PSTricks' (tvz,hv)<br>&nbsp; xcolor.sty&nbsp;&nbsp;&nbsp; 2007/01/21 v2.11 LaTeX color extensions (UK)<br>&nbsp;&nbsp; color.cfg&nbsp;&nbsp;&nbsp; 2007/01/18 v1.5 color configuration of teTeX/TeXLive<br>&nbsp;&nbsp; dvips.def&nbsp;&nbsp;&nbsp; 1999/02/16 v3.0i Driver-dependant file (DPC,SPQR)<br>pst-solides3d.tex&nbsp;&nbsp;&nbsp; 2008/10/29 v4.11 `PST-solides3D'<br>pst-xkey.tex&nbsp;&nbsp;&nbsp; 2005/11/25 v1.6 PSTricks specialization of xkeyval (HA)<br>&nbsp;xkeyval.sty&nbsp;&nbsp;&nbsp; 2008/08/13 v2.6a package option processing (HA)<br>&nbsp;xkeyval.tex&nbsp;&nbsp;&nbsp; 2008/08/13 v2.6a key=value parser (HA)<br>pstricks-add.sty&nbsp;&nbsp;&nbsp; 2007/09/03 v. 0.11 package wrapper for pstricks-add.tex (hv<br>)<br>pstricks-add.tex&nbsp;&nbsp;&nbsp; 2009/01/21 v3.17 `PSTricks-add' (hv)<br><br>Please, how can I do visible the full parabola?<br><br>&gt; From: pstricks-request@tug.org<br>&gt; Subject: PSTricks Digest, Vol 82, Issue 30<br>&gt; To: pstricks@tug.org<br>&gt; Date: Fri, 20 Nov 2009 12:00:02 +0100<br>&gt; <br>&gt; Send PSTricks mailing list submissions to<br>&gt;         pstricks@tug.org<br>&gt; <br>&gt; To subscribe or unsubscribe via the World Wide Web, visit<br>&gt;         http://tug.org/mailman/listinfo/pstricks<br>&gt; or, via email, send a message with subject or body 'help' to<br>&gt;         pstricks-request@tug.org<br>&gt; <br>&gt; You can reach the person managing the list at<br>&gt;         pstricks-owner@tug.org<br>&gt; <br>&gt; When replying, please edit your Subject line so it is more specific<br>&gt; than "Re: Contents of PSTricks digest..."<br>&gt; <br>&gt; <br>&gt; Today's Topics:<br>&gt; <br>&gt;    1. how can I do transparent a solid? (mary montenegro)<br>&gt;    2. Re: how can I do transparent a solid? (Herbert Voss)<br>&gt; <br>&gt; <br>&gt; ----------------------------------------------------------------------<br>&gt; <br>&gt; Message: 1<br>&gt; Date: Thu, 19 Nov 2009 11:15:56 -0500<br>&gt; From: mary montenegro &lt;mary_sioque@hotmail.com&gt;<br>&gt; To: &lt;pstricks@tug.org&gt;<br>&gt; Subject: [pstricks] how can I do transparent a solid?<br>&gt; Message-ID: &lt;COL102-W5125A317D6DEA7ACDBABDE83A20@phx.gbl&gt;<br>&gt; Content-Type: text/plain; charset="iso-8859-1"<br>&gt; <br>&gt; <br>&gt; <br>&gt; Hello!<br>&gt; I would like to be able to use pstricks solides-3d to draw a transparent solid.<br>&gt; I have successfully constructed a graph using this code:<br>&gt; <br>&gt; \begin{pspicture}[showgrid=false](-4,-2)(3,3.5)<br>&gt;  \psset{viewpoint=100 27.5 20,Decran=60}<br>&gt;  \psSolid[object=face,base=0 -3 9 -3  9 3 0 3,action=draw*,fillcolor=white,linestyle=dashed]<br>&gt;  \defFunction{F}(t){t 2 exp}{t}{}<br>&gt;  \psSolid[object=face,base=3 -3 {F} CourbeR2+,resolution=360,action=draw]<br>&gt;  \psSolid[object=face,base=3.25 3 {F} CourbeR2+,resolution=360,action=draw]<br>&gt;  \psSolid[object=face,base=-3 -3.25 {F} CourbeR2+,resolution=360,action=draw]<br>&gt;  \psSolid[object=plan,definition=equation,args={[1 0 0 -9]},base=-5 0 -3 3,action=draw*,<br>&gt;  fillcolor=gray!20,fillstyle=opacity]% this is the solid that I need to be transparnt<br>&gt;  \axesIIID[showOrigin=true](0,-5,0)(14,4,5)<br>&gt; \end{pspicture}<br>&gt; <br>&gt; It constructs a parbola in the plane xy and a parallel plane to axes z.<br>&gt; The plane is gray color and it don't  permit see the parabola.<br>&gt; <br>&gt; How can I do visible the parabola with this gray plane above?<br>&gt; <br>&gt; Thanks!<br>&gt; <br>&gt;                                                <br>&gt; _________________________________________________________________<br>&gt; Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy!<br>&gt; http://spaces.live.com/spacesapi.aspx?wx_action=create&amp;wx_url=/friends.aspx&amp;mkt=en-us<br>&gt; -------------- next part --------------<br>&gt; An HTML attachment was scrubbed...<br>&gt; URL: &lt;http://tug.org/pipermail/pstricks/attachments/20091119/a8e7e255/attachment-0001.html&gt;<br>&gt; <br>&gt; ------------------------------<br>&gt; <br>&gt; Message: 2<br>&gt; Date: Thu, 19 Nov 2009 18:11:14 +0100<br>&gt; From: Herbert Voss &lt;Herbert.Voss@FU-Berlin.DE&gt;<br>&gt; To: pstricks@tug.org<br>&gt; Subject: Re: [pstricks] how can I do transparent a solid?<br>&gt; Message-ID: &lt;4B057C32.7010600@FU-Berlin.DE&gt;<br>&gt; Content-Type: text/plain; charset=ISO-8859-1<br>&gt; <br>&gt; Am 19.11.2009 17:15, schrieb mary montenegro:<br>&gt; <br>&gt; &gt; I would like to be able to use pstricks solides-3d to draw a transparent solid.<br>&gt; &gt; I have successfully constructed a graph using this code:<br>&gt; &gt; <br>&gt; &gt; \begin{pspicture}[showgrid=false](-4,-2)(3,3.5)<br>&gt; &gt;  \psset{viewpoint=100 27.5 20,Decran=60}<br>&gt; &gt;  \psSolid[object=face,base=0 -3 9 -3  9 3 0 3,action=draw*,fillcolor=white,linestyle=dashed]<br>&gt; &gt;  \defFunction{F}(t){t 2 exp}{t}{}<br>&gt; &gt;  \psSolid[object=face,base=3 -3 {F} CourbeR2+,resolution=360,action=draw]<br>&gt; &gt;  \psSolid[object=face,base=3.25 3 {F} CourbeR2+,resolution=360,action=draw]<br>&gt; &gt;  \psSolid[object=face,base=-3 -3.25 {F} CourbeR2+,resolution=360,action=draw]<br>&gt; &gt;  \psSolid[object=plan,definition=equation,args={[1 0 0 -9]},base=-5 0 -3 3,action=draw*,<br>&gt; &gt;  fillcolor=gray!20,fillstyle=opacity]% this is the solid that I need to be transparnt<br>&gt; <br>&gt;  fillcolor=gray!20,opacity=0.4]<br>&gt; <br>&gt; Herbert<br>&gt; <br>&gt; <br>&gt; &gt;  \axesIIID[showOrigin=true](0,-5,0)(14,4,5)<br>&gt; &gt; \end{pspicture}<br>&gt; &gt; <br>&gt; &gt; It constructs a parbola in the plane xy and a parallel plane to axes z.<br>&gt; &gt; The plane is gray color and it don't  permit see the parabola.<br>&gt; &gt; <br>&gt; &gt; How can I do visible the parabola with this gray plane above?<br>&gt; <br>&gt; <br>&gt; ------------------------------<br>&gt; <br>&gt; _______________________________________________<br>&gt; PSTricks mailing list<br>&gt; PSTricks@tug.org<br>&gt; http://tug.org/mailman/listinfo/pstricks<br>&gt; <br>&gt; <br>&gt; End of PSTricks Digest, Vol 82, Issue 30<br>&gt; ****************************************<br>                                               <br><hr>Discover the new Windows Vista <a href="http://search.msn.com/results.aspx?q=windows+vista&amp;mkt=en-US&amp;form=QBRE">Learn more!</a>                                               <br /><hr />Explore the seven wonders of the world <a href='http://search.msn.com/results.aspx?q=7+wonders+world&mkt=en-US&form=QBRE' target='_new'>Learn more!</a></body>
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