<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Yes, the picture is along the right lines.<div><br><div>I understand some of the code, but not all of it.</div><div>The starred version of \psSurface does not appear in the pst-solides3d documentation;</div><div>I don't see the role of r=3 sqrt 2 mul</div><div>and what does the last part of the function definition</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>-5 It{pop -5} if</div><div>mean or do?<br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; "><br class="Apple-interchange-newline">Zbigniew Nitecki</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Department of Mathematics</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Tufts University</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Medford, MA 02155</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 12px/normal Helvetica; min-height: 14px; "><br></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">telephones:</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Office<span class="Apple-converted-space"><span class="Apple-converted-tab"> <span class="Apple-converted-space"> </span></span></span>(617)627-3843</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Dept.<span class="Apple-converted-space"><span class="Apple-converted-tab"> <span class="Apple-converted-space"> </span></span></span>(617)627-3234</font></p><p style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Dept. fax<span class="Apple-converted-space"><span class="Apple-converted-tab"> <span class="Apple-converted-space"> </span></span></span>(617)627-3966</font></p><a href="http://www.tufts.edu/~znitecki/">http://www.tufts.edu/~znitecki/</a></span>
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<br><div><div>On Aug 19, 2010, at 15:43, Herbert Voss wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Am 19.08.2010 16:29, schrieb Zbigniew Nitecki:<br><blockquote type="cite">I am trying to draw the elliptic paraboloid z=4x^2+y^2 and have it enclosed in a box.<br></blockquote><blockquote type="cite">However, I want to cut the paraboloid at height z=4, which means I must draw it using surfaceparametree rather than \psssurface or other automatic graphing macros (all of which,<br></blockquote><blockquote type="cite">as far as I can tell, have domain necessarily specified as a rectangle in x and y, rather than an ellipse). <br></blockquote><blockquote type="cite">If I try to use \psSolid[object=parallelepiped, then the lines either overwrite or are overwritten by the surface (depending on the order in which I draw surface and box). However, axesboxed inside the drawing seems to yield nothing:<br></blockquote><br><a href="http://tug.org/PSTricks/main.cgi?file=Examples/Gallery3D/Gallery3D">http://tug.org/PSTricks/main.cgi?file=Examples/Gallery3D/Gallery3D</a><br><br>do you mean something like the last example?<br><br>Herbert<br>_______________________________________________<br>PSTricks mailing list<br>PSTricks@tug.org<br>http://tug.org/mailman/listinfo/pstricks<br>archive: http://www.tug.org/pipermail/pstricks/<br></div></blockquote></div><br></div></div></body></html>