<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><!--StartFragment--><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black">I have been
working<span style="mso-spacerun: yes"> </span>on Latex and Pstricks for
several years with Windows system of Microsoft without having any problems. Now
I have changed to Mac os x (version 10.5.8) and I am working on TexShop
(version 2.26). I have dificulties with Pstricks package. <o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black">My problem is: I
typeset this code:<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\documentclass[12pt,a4paper]{article}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><span style="mso-spacerun:
yes"> </span>\usepackage[applemac]{inputenc}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><span style="mso-spacerun:
yes"> </span>\usepackage[catalan]{babel}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\usepackage{amsmath,amssymb}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\usepackage{pstricks}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">...Fonts <o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\begin{document}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\begin{pspicture}(10,7)<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\rput(8.7,6.2){Esquema de la recerca 67}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\psline(1,2)(3,4)<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\end{pspicture}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">\end{document}<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black">If I compile with
Tex and DVI the result is:<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:10.0pt;
font-family:Monaco;mso-bidi-font-family:Monaco;color:black"><o:p> </o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">....<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">Output written on esquema_1.dvi (1 page, 748 bytes).<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">Transcript written on esquema_1.log.<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">### /usr/texbin/dvips -R -Poutline<span style="mso-spacerun:
yes"> </span>-o /tmp/altpdflatex.3960-1258881076/esquema_1.ps
esquema_1.dvi<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">This is dvips(k) 5.96 Copyright 2005 Radical Eye Software
(<a href="http://www.radicaleye.com">www.radicaleye.com</a>)<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">' TeX output 2009.11.22:1011' ->
/tmp/altpdflatex.3960-1258881076/esquema_1.ps<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><tex.pro><pstricks.pro><pst-dots.pro><pst-node.pro><pst-grad.pro><o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black"><pst-coil.pro><pst-text.pro><texps.pro><special.pro><color.pro>.
<cmr12.pfb><o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">[1] <o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">### ps2pdf13 /tmp/altpdflatex.3960-1258881076/esquema_1.ps
/tmp/altpdflatex.3960-1258881076/esquema_1.pdf<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">/usr/texbin/simpdftex: line 491: ps2pdf13: command not found<o:p></o:p></span></p><p class="MsoNormal" style="mso-pagination:none;tab-stops:28.0pt 56.0pt 84.0pt 112.0pt 140.0pt 168.0pt 196.0pt 224.0pt 252.0pt 280.0pt 308.0pt 336.0pt;
mso-layout-grid-align:none;text-autospace:none"><span style="font-size:9.0pt;
mso-bidi-font-size:10.0pt;font-family:Monaco;mso-bidi-font-family:Monaco;
color:black">### FAILED to generate
/tmp/altpdflatex.3960-1258881076/esquema_1.pdf ()<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal">But, if I compile with pdftex the result is the following <span style="mso-spacerun: yes"> </span>message: <span style="mso-spacerun:
yes"> </span></p><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt">[Loading
MPS to pdf converter(version 2006.09.02)]<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt">!
Undefined control sequence.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt"><recently
read> \c@lor@to@ps<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt">l
.41 \psline(<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt"><span style="mso-spacerun:
yes">
</span>1,2)(3,4)<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:10.0pt;mso-bidi-font-size:12.0pt">?<o:p></o:p></span></p><p class="MsoNormal"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 12px;">Can
someone help me, please? What do I
have to do? </span></font><o:p></o:p></p><p class="MsoNormal"><br></p><p class="MsoNormal">Thanks very much </p><p class="MsoNormal"><br></p><p class="MsoNormal">Manel sol</p>
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