<font color='black' size='2' face='Arial, Helvetica, sans-serif'><span id="result_box" class="" lang="en"><span class="hps">Try</span> <span class="hps">the</span> object=surfaceparametree<span class="hps"></span><span class="hps"></span><span>, I think</span> <span class="hps">it's easier</span><span class="">.</span></span>
<div> <br>
<font size="2">\documentclass{article}<br>
\usepackage{pst-solides3d}<br>
<br>
\begin{document}<br>
<br>
\begin{pspicture}(-5,-5)(5,5)<br>
\psset{viewpoint=50 70 30 rtp2xyz,Decran=50,lightsrc=viewpoint}<br>
\defFunction[algebraic]{SURFACE}(x,y){x}{y}{15*(x^3-x*y^4-x/5)*Euler^(-x^2-y^2)+2*Euler^(-((x-1.225)^2+y^2))}<br>
\psSolid[object=surfaceparametree,<br>
fillcolor=green!20,incolor=gray!20,<br>
linewidth=0.01,<br>
base=-4 4 -4 1.5,<br>
function=SURFACE,<br>
intersectionplan={[0 1 0 -1.5]},<br>
intersectioncolor=(rouge),<br>
intersectionlinewidth=2,<br>
intersectiontype=0,<br>
ngrid=50]%<br>
\psSolid[object=plan,definition=normalpoint,opacity=0.5,<br>
fillcolor=cyan!20,<br>
base=-4 4 -8 8,args={0 1.5 0 [0 1 0 0]}]<br>
\psSolid[object=surfaceparametree,<br>
fillcolor=green!20,incolor=gray!20,<br>
linewidth=0.01,<br>
base=-4 4 1.5 4,<br>
function=SURFACE,<br>
intersectionplan={[0 1 0 -5.5]},<br>
intersectioncolor=(rouge),<br>
intersectionlinewidth=2,<br>
intersectiontype=0,<br>
ngrid=50](0,4,0)<br>
\end{pspicture}<br>
\end{document} </font><br>
</div>
<div> <br>
</div>
<div style="clear:both">Manuel <br>
</div>
<div>
<div class="envelope" style="float: none;" align="left"><img src="cid:tie_8D1A8F0F3F381F3_1C34_280AA" id="TIE.699181" style="margin: 5px; vertical-align: middle;" alt="carlo.png" class="AOLInlineImage" title="carlo.png" width="275"></div>
<div><span><br>
</span></div>
</div>
<div> <br>
</div>
<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----E-mail d'origine-----<br>
De : Carlo Alberini <carloalbe1@yahoo.it><br>
A: Manuel Luque <mluque5130@aol.com><br>
Envoyé le : Sa, 27 Sep 2014 15:39<br>
Sujet : Re: Re : [pstricks] 3D Function and intersection plan - error<br>
<br>
<div id="AOLMsgPart_1_b8d36a8f-16e5-4c6a-b1e9-d76baa7eb2b8">
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<div><span>Thank you very much! The output is wonderful!! I will use the first one!!</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br>
</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>Best regards</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span><br>
</span></div>
<div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-style: normal; background-color: transparent;"><span>C</span></div>
<div class="qtdSeparateBR"><br>
<br>
</div>
<div class="yahoo_quoted" style="display: block;">
<div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px;">
<div style="font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 12px;">
<div dir="ltr"> <font face="Arial" size="2"> Il Sabato 27 Settembre 2014 15:26, Manuel Luque <<a href="mailto:mluque5130@aol.com">mluque5130@aol.com</a>> ha scritto:<br>
</font> </div>
<br>
<br>
<div class="y_msg_container">
<div id="yiv6057299762">
<div><font color="black" face="Arial, Helvetica, sans-serif" size="2">
</font>
<div> <font size="2">Dear Carlo,<br clear="none">
<br clear="none">
I propose this solution:<br clear="none">
1) generate the files of the surface<br clear="none">
2) divide the surface into 2 parts<br clear="none">
<br clear="none">
\documentclass{article}<br clear="none">
\usepackage{pst-solides3d}<br clear="none">
<br clear="none">
\begin{document}<br clear="none">
<br clear="none">
\begin{pspicture}(-1,-1)(1,1)<br clear="none">
\psset{viewpoint=50 70 30 rtp2xyz,Decran=50,lightsrc=viewpoint}<br clear="none">
\psSurface[ngrid=.15 .15,<br clear="none">
algebraic,<br clear="none">
file=Surface,biface=false,<br clear="none">
action=writesolid](-4,-4)(4,4)%<br clear="none">
{ 15*(x^3-x*y^4-x/5)*Euler^(-x^2-y^2)+2*Euler^(-((x-1.225)^2+y^2)) }<br clear="none">
\end{pspicture}<br clear="none">
<br clear="none">
\begin{pspicture}(-7,-8)(7,8)<br clear="none">
\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint}<br clear="none">
\psset{solidmemory}<br clear="none">
\psSolid[object=new,<br clear="none">
sommets={(Surface-sommets.dat) run},<br clear="none">
faces={(Surface-faces.dat) run},<br clear="none">
plansepare={[0 1 0 -1.5]},<br clear="none">
name=SurfaceY,<br clear="none">
action=none]<br clear="none">
\psSolid[object=load,<br clear="none">
load=SurfaceY1,<br clear="none">
%% enregistre les caractéristiques du solide<br clear="none">
file=SurfaceY1,<br clear="none">
action=writesolid<br clear="none">
]%<br clear="none">
\psSolid[object=load,<br clear="none">
load=SurfaceY0,<br clear="none">
%% enregistre les caractéristiques du solide<br clear="none">
file=SurfaceY0,<br clear="none">
action=writesolid<br clear="none">
]%<br clear="none">
\end{pspicture}<br clear="none">
<br clear="none">
\end{document}<br clear="none">
<br clear="none">
3) Show in the order you want.<br clear="none">
<br clear="none">
\documentclass{article}<br clear="none">
\usepackage{pst-solides3d}<br clear="none">
<br clear="none">
\begin{document}<br clear="none">
<br clear="none">
\begin{pspicture}(-7,-8)(7,8)<br clear="none">
\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint}<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.5\pslinewidth,<br clear="none">
file=SurfaceY1,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0]<br clear="none">
\psSolid[object=plan,definition=normalpoint,opacity=0.5,<br clear="none">
base=-4 4 -8 6,args={0 1.5 0 [0 1 0 0]}]<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.2\pslinewidth,<br clear="none">
file=SurfaceY0,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -5.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0](0,4,0)<br clear="none">
\end{pspicture}<br clear="none">
\newpage<br clear="none">
\begin{pspicture}(-7,-8)(7,8)<br clear="none">
\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint}<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.5\pslinewidth,<br clear="none">
file=SurfaceY1,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0]<br clear="none">
\psSolid[object=plan,definition=normalpoint,%opacity=0.5,<br clear="none">
fillcolor=yellow!20,<br clear="none">
base=-4 4 -6 6,args={0 1.5 0 [0 1 0 0]}]<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.2\pslinewidth,<br clear="none">
file=SurfaceY0,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0](0,0,0)<br clear="none">
\end{pspicture}<br clear="none">
<br clear="none">
\newpage<br clear="none">
\begin{pspicture}(-7,-8)(7,8)<br clear="none">
\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint}<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.5\pslinewidth,<br clear="none">
file=SurfaceY1,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0]<br clear="none">
\psSolid[object=plan,definition=normalpoint,%opacity=0.5,<br clear="none">
fillcolor=yellow!20,ngrid=0.2 0.2,plangrid,<br clear="none">
linewidth=0.2\pslinewidth,<br clear="none">
base=-4 4 -6 6,args={0 1.5 0 [0 1 0 0]}]<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.2\pslinewidth,<br clear="none">
file=SurfaceY0,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0](0,0,0)<br clear="none">
\end{pspicture}<br clear="none">
<br clear="none">
\newpage<br clear="none">
\begin{pspicture}(-7,-8)(7,8)<br clear="none">
\psset{viewpoint=50 50 20 rtp2xyz,Decran=50,lightsrc=viewpoint}<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.5\pslinewidth,<br clear="none">
file=SurfaceY1,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0]<br clear="none">
\psSolid[object=plan,definition=normalpoint,opacity=0.5,<br clear="none">
fillcolor=yellow!20,ngrid=0.2 0.2,plangrid,<br clear="none">
linewidth=0.2\pslinewidth,<br clear="none">
base=-4 4 -6 6,args={0 1.5 0 [0 1 0 0]}]<br clear="none">
\psSolid[object=datfile,<br clear="none">
linewidth=0.2\pslinewidth,<br clear="none">
file=SurfaceY0,<br clear="none">
fillcolor=yellow!50,<br clear="none">
intersectionplan={[0 1 0 -1.5]},<br clear="none">
intersectioncolor=(rouge),<br clear="none">
intersectionlinewidth=2,<br clear="none">
intersectiontype=0](0,0,0)<br clear="none">
\end{pspicture}<br clear="none">
\end{document}<br clear="none">
<br clear="none">
The exterior and interior colors are not displayed correctly. So no incolor.<br clear="none">
<br clear="none">
Best regards,</font><br clear="none">
</div>
<div> <br clear="none">
</div>
<div style="clear:both;">Manuel<br clear="none">
</div>
<div> <br clear="none">
</div>
<div> <br clear="none">
</div>
<div style="font-family: arial, helvetica; font-size: 10pt; color: black;">-----E-mail d'origine-----<br clear="none">
De : Carlo Alberini <<a href="mailto:carloalbe1@yahoo.it">carloalbe1@yahoo.it</a>><br clear="none">
A: pstricks <<a href="mailto:pstricks@tug.org">pstricks@tug.org</a>><br clear="none">
Envoyé le : Ve, 26 Sep 2014 22:17<br clear="none">
Sujet : [pstricks] 3D Function and intersection plan - error<br clear="none">
<br clear="none">
<div class="yiv6057299762yqt5859398653" id="yiv6057299762yqt67062">
<div id="yiv6057299762AOLMsgPart_2_df2646c7-2bf6-4603-a9da-016f2cd6a74d">
<div class="yiv6057299762aolReplacedBody">
<div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">
<div id="yiv6057299762">
<div>
<div style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17992" style="">Dear list,</div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17995" style=""> I have a problem with an intersection between a plan and a function (the equation of the function is downloaded from PSTricks main web page).</div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17996" style=""><br class="yiv6057299762" style="" clear="none"></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17997" style="background-color:transparent;">I
need to have the intersection with the function and the plan y=1.5 and to have a red line marking the inersection. Here is the code:</div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17998" style="background-color:transparent;"><br class="yiv6057299762" style="" clear="none"></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17999" style="background-color:transparent;"><span class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18007" style="color:rgb(205, 35, 44);font-size:13px;">\documentclass[12pt]{article}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18000" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\usepackage{pst-solides3d}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18001" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\pagestyle{empty}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18002" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"><br class="yiv6057299762" style="" clear="none"></span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18008" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\begin{document}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18009" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"><br class="yiv6057299762" style="" clear="none"></span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18011" style="background-color:transparent;"><span class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18010" style="color:rgb(205, 35, 44);font-size:small;">\psset{viewpoint=50 70 20 rtp2xyz,Decran=50,lightsrc=viewpoint}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18012" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\begin{pspicture}(-7,-8)(7,8)</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18014" style="background-color:transparent;"><span class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18013" style="color:rgb(205, 35, 44);font-size:small;">{\psset{object=courbe,r=0,linecolor=blue,resolution=360,range=-5 5}<span class="yiv6057299762" style="background-color:transparent;">}</span></span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18016" style="background-color:transparent;"><span class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18015" style="color:rgb(205, 35, 44);font-size:small;">\psSurface[name=FUNC,ngrid=.15 .15,fillcolor=green!30,incolor=gray!30,</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18017" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"> linewidth=0.4pt,algebraic](-4,-4)(4,4)%</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18019" style="background-color:transparent;"><span class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18018" style="color:rgb(205, 35, 44);font-size:small;"> { 15*(x^3-x*y^4-x/5)*Euler^(-x^2-y^2)+2*Euler^(-((x-1.225)^2+y^2)) }</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18020" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\axesIIID[linecolor=gray](0,0,0)(7,7,5)</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18021" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"><br class="yiv6057299762" style="" clear="none"></span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18022" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\psSolid[object=plan,definition=equation,</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18023" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:13px;"> args={[0 1 0 -1.5]},</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18024" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"> base=-25 -5 -15 5,ngrid=40 40,fillcolor=blue!30,</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18025" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"> name=PLANE,action=none]</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18026" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"> \psSolid[object=fusion,base=PLANE_s FUNC]</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18027" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;"><br class="yiv6057299762" style="" clear="none"></span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18028" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:small;">\end{pspicture}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18029" style="background-color:transparent;"><span class="yiv6057299762" style="color:rgb(205, 35, 44);font-size:13px;">\end{document}</span></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18030" style="color:rgb(205, 35, 44);font-size:13px;background-color:transparent;"><br class="yiv6057299762" style="" clear="none"></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18031" style="background-color:transparent;">The problem is: I have no plan in the output ...</div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18032" style="background-color:transparent;"><br class="yiv6057299762" style="" clear="none"></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18033" style="background-color:transparent;">Thank you
very much for the help!</div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18034" style="background-color:transparent;"><br class="yiv6057299762" style="" clear="none"></div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_18035" style="background-color:transparent;">Carlo</div>
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_9_1411761221692_6" style=""><br class="yiv6057299762" style="" clear="none"></div>
<div class="yiv6057299762" id="yiv6057299762" style="">
<div class="yiv6057299762" style="">
<div class="yiv6057299762" style="color: rgb(0, 0, 0); font-family: HelveticaNeue, 'Helvetica Neue', Helvetica, Arial, 'Lucida Grande', sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);">
<div class="yiv6057299762" id="yiv6057299762yui_3_16_0_1_1411761221692_17630" style=""></div>
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