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<pre><i><i><br>Hello!<br>I would like to be able to use pstricks solides-3d to draw a transparent solid.<br></i></i><i><i>I have successfully constructed a graph using this code:<br><br>\begin{pspicture}[showgrid=false](-4,-2)(3,3.5)<br> \psset{viewpoint=100 27.5 20,Decran=60}<br> \psSolid[object=face,base=0 -3 9 -3 9 3 0 3,action=draw*,fillcolor=white,linestyle=dashed]<br> \defFunction{F}(t){t 2 exp}{t}{}<br> \psSolid[object=face,base=3 -3 {F} CourbeR2+,resolution=360,action=draw]<br> \psSolid[object=face,base=3.25 3 {F} CourbeR2+,resolution=360,action=draw]<br> \psSolid[object=face,base=-3 -3.25 {F} CourbeR2+,resolution=360,action=draw]<br> \psSolid[object=plan,definition=equation,args={[1 0 0 -9]},base=-5 0 -3 3,action=draw*,<br> fillcolor=gray!20,fillstyle=opacity]% this is the solid that I need to be transparnt<br> \axesIIID[showOrigin=true](0,-5,0)(14,4,5)<br>\end{pspicture}<br></i></i><br>It constructs a parbola in the plane xy and a parallel plane to axes z.<br>The plane is gray color and it don't permit see the parabola.<span id="result_box" class="short_text"><span style="background-color: rgb(255, 255, 255);" title="opacidad"><br><br></span></span><i><i>How can I do visible the parabola with this gray plane above?<br><br></i></i><span id="result_box" class="short_text"><span style="background-color: rgb(255, 255, 255);" title="gracias">Thanks</span></span>!<br><br></pre> <br /><hr />Invite your mail contacts to join your friends list with Windows Live Spaces. It's easy! <a href='http://spaces.live.com/spacesapi.aspx?wx_action=create&wx_url=/friends.aspx&mkt=en-us' target='_new'>Try it!</a></body>
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