<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I don't understand my error below. I am trying to draw a hemisphere with a cone cut out. <div><div><br></div><div>*******************</div><div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\begin{pspicture}(-2,-2)(2,2)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\pstThreeDCoor[xMin=0, xMax=2, yMin=0, yMax=2, zMin=0, zMax=2]</div><div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\multido{\rt=0+20}{18}{</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\pstThreeDLine(0,0,0)(\rt\space cos 0.707 mul,\rt\space sin 0.707 mul,0.707)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\parametricplotThreeD(0,45){%</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>t cos \rt\space cos mul </div><div><span class="Apple-tab-span" style="white-space:pre"> </span>t cos \rt\space sin mul </div><div><span class="Apple-tab-span" style="white-space:pre"> </span>t sin%</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div><span class="Apple-tab-span" style="white-space:pre"> </span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\multido{\rz=0.007+0.1}{7}{</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\pstThreeDEllipse(0,0,\rz)(\rz,0,0)(0,\rz,0)</div><div>%<span class="Apple-tab-span" style="white-space:pre"> </span>\pstThreeDEllipse(0,0,\rz)(1 \rz \rz mul sub 0.5 exp,0,0)(0,1 \rz \rz mul sub 0.5 exp,0)%</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>}</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>\end{pspicture}</div><div>*****************************</div><div apple-content-edited="true"> <span class="Apple-style-span" style="font-size: 12px; "><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; "><span class="Apple-style-span" style="font-size: medium; ">With the last line commented out (as above) I get a picture, whereas when it is uncommented I get an error:</span></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; "><span class="Apple-style-span" style="font-size: medium; "><div>Error: /undefined in 0.0070.007mul</div> <div>Operand stack:</div> <div> 1</div> <div>Execution stack:</div> <div> %interp_exit .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval-- --nostringval-- --nostringval-- false 1 %stopped_push 1905 1 3 %oparray_pop 1904 1 3 %oparray_pop 1888 1 3 %oparray_pop 1771 1 3 %oparray_pop --nostringval-- %errorexec_pop .runexec2 --nostringval-- --nostringval-- --nostringval-- 2 %stopped_push --nostringval--</div> <div>Dictionary stack:</div> <div> --<a href="dict:1148/1684(ro)(G)--">dict:1148/1684(ro)(G)--</a> --<a href="dict:0/20(G)--">dict:0/20(G)--</a> --<a href="dict:115/200(L)--">dict:115/200(L)--</a> --<a href="dict:176/300(L)--">dict:176/300(L)--</a> --<a href="dict:38/200(L)--">dict:38/200(L)--</a> --<a href="dict:110/200(L)--">dict:110/200(L)--</a></div> <div>Current allocation mode is local</div> <div>Last OS error: 2</div> <div>Current file position is 246041</div> <div>GPL Ghostscript 8.63: Unrecoverable error, exit code 1</div> <div>### FAILED to generate /tmp/altpdflatex.4856-1258045945/MinimalPST3DTest.pdf ()</div> <br></span>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> </div><br></div></div></body></html>