<div style="color:black;font: 12pt Arial, Helvetica, sans-serif;">All,
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<div>I am using the following preamble in a document written using TexShop on an iMac computer with OS X</div>

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<div><span style="font-family: Arial; font-size: 14px;">% !TEX TS-program = latex</span><br>
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<div>

<div class="p1">\documentclass[14pt, oneside]{article}<span class="Apple-converted-space">   <span class="Apple-tab-span">    </span></span></div>


<div class="p1">\usepackage[rflt]{floatflt}</div>


<div class="p1">\usepackage{mathptmx}</div>


<div class="p1">\usepackage{array}</div>


<div class="p1">\usepackage{pstcol}<span class="Apple-converted-space"> </span></div>


<div class="p1">\usepackage{pst-plot}</div>


<div class="p1">\usepackage{graphicx}</div>


<div class="p1">\usepackage{pstricks-add}</div>


<div class="p1">\usepackage{amsmath, amssymb}<span class="Apple-converted-space">  </span>%%%%%%%%%%%%%%</div>


<div class="p1">\usepackage[T1]{fontenc}</div>


<div class="p1">\usepackage[utf8]{inputenc}</div>


<div class="p1">\usepackage{url}</div>


<div class="p1">\usepackage{tabularx}</div>


<div class="p1">\usepackage{longtable}</div>


<div class="p1">\usepackage{pstricks}</div>


<div class="p1">\usepackage{pst-func}</div>


<div class="p1">\usepackage{pst-math}</div>


<div class="p1">\usepackage{xspace}</div>


<div class="p1">\usepackage[colorlinks,linktocpage]{hyperref}</div>


<div class="p1">\usepackage{wrapfig}</div>


<div class="p1">\usepackage{pst-3dplot}</div>


<div class="p1">\usepackage{fancyhdr}</div>


<div class="p1">\setlength{\headheight}{15.2pt}</div>


<div class="p1">\pagestyle{fancy}</div>


<div class="p1">\usepackage{hyperref}</div>


<div class="p1">\usepackage{color}</div>


<div class="p1">\hypersetup{</div>


<div class="p1"><span class="Apple-converted-space">    </span>colorlinks,%</div>


<div class="p1"><span class="Apple-converted-space">    </span>citecolor=black,%</div>


<div class="p1"><span class="Apple-converted-space">    </span>filecolor=black,%</div>


<div class="p1"><span class="Apple-converted-space">    </span>linkcolor=black,%</div>


<div class="p1"><span class="Apple-converted-space">    </span>urlcolor=black}</div>


<div class="p1">\definecolor{orange}{rgb}{1,0.5,0}</div>


<div class="p1">\definecolor{violet}{rgb}{1,0.5,0}</div>


<div class="p1">\definecolor{brown}{rgb}{1,0.5,0}</div>


<div class="p1">\definecolor{purple}{rgb}{1,0.5,0}</div>


<div class="p1">\usepackage{resizebox}</div>


<div class="p1">\usepackage{float}</div>


<div class="p1">\usepackage{caption} <span class="Apple-converted-space">      </span>%%%%%%%%%%%%%%%%%%%%%%</div>


<div class="p1">\usepackage{geometry}</div>


<div class="p1">\usepackage{subfigure}<span class="Apple-tab-span">     </span></div>


<div class="p2"><br>
</div>


<div class="p2">\begin{document}<br>
</div>


<div class="p1">\pagestyle{fancyplain}</div>


<div class="p1">\fancyhf{}</div>

<div class="p1"><br>
</div>

<div class="p1"><br>
</div>

<div class="p1"><br>
</div>

<div class="p1">With the first line (% !TEX TS-program = latex) in place the following program works without any problem:</div>

<div class="p1"><br>
</div>

<div class="p1">\begin{figure}[!h]</div>

<div class="p1">%\vspace{1in}</div>

<div class="p1">\psset{unit=0.375cm}</div>

<div class="p1">\centering</div>

<div class="p1">\begin{pspicture}(20,10)</div>

<div class="p1">%\psgrid[subgriddiv=0,griddots=10,gridlabels=7pt]</div>

<div class="p1">%\psaxes[linewidth=1pt,ticks=none,labels=none]{->}(0,0)(0,0)(36,24)</div>

<div class="p1">\psset{gridcolor=green,subgridcolor=yellow}</div>

<div class="p1">\pscircle[linewidth=1pt,linecolor=black](1,4){0.75}\rput(1,4){$m_{1}$}</div>

<div class="p1">\psline[linecolor=black,linestyle=solid,linewidth=1pt,fillstyle=solid]{->}(1.7,4)(6,4)\rput(3,5){$\mathrm{v}_{1}$}</div>

<div class="p1">\psline[linecolor=black,linestyle=solid,linewidth=1pt,fillstyle=solid]{-}(7,4)(18,4)</div>

<div class="p1">\pscircle[linewidth=1pt,linecolor=black](15,9){0.75}\rput(15,9){$m_{3}$}</div>

<div class="p1">\psline[linecolor=black,linestyle=solid,linewidth=1pt,fillstyle=solid]{o->}(9,4)(15,8)\rput(12,7){$\mathrm{v}_{3}$}\rput(11,4.5){$\theta$}\rput(10,3.5){$\phi$}</div>

<div class="p1">\psline[linecolor=black,linestyle=solid,linewidth=1pt,fillstyle=solid]{o->}(9,4)(12,1)\rput(10,1.5){$\mathrm{v}_{4}$}</div>

<div class="p1">\pscircle[linewidth=1pt,linecolor=black](12,0){0.75}\rput(12,0){$m_{4}$}</div>

<div class="p1">\psline[linecolor=black,linestyle=solid,linewidth=1pt,fillstyle=solid]{<->}(12,1)(15,8)\rput(13.3,4){$\bullet$}\rput(14.7,5.5){$\mathrm{v}_{3}^{\prime}$}\rput(13.4,2.1){$\mathrm{v}_{4}^{\prime}$}</div>

<div class="p1">\rput(12.5,3.5){$\alpha$}\rput(14.1,4.5){$\alpha$}</div>

<div class="p1">%\psline[linecolor=black,linestyle=solid,linewidth=2pt,fillstyle=solid]{o->}(1,4)(5,4)\rput(3,5){$\mathrm{v}_{1}$}</div>

<div class="p1">%\psline[linecolor=black,linestyle=solid,linewidth=2pt,fillstyle=solid]{o->}(1,4)(5,4)\rput(3,5){$\mathrm{v}_{1}$}</div>

<div class="p1">\end{pspicture}</div>

<div class="p1">\caption{Vector diagram for collision of neutron with target atom in LAB and CM systems.}</div>

<div class="p1">\label{fig: Collision}</div>

<div class="p1">\end{figure}</div>

<div class="p1">




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<div class="p2"><br>
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<div class="p2">However, the following program will not work unless I delete the first line (% !TEX TS-program = latex) from the preamble:</div>

<div class="p2"><br>
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<div class="p1"><br>
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<div class="p2">\begin{figure}[!h]</div>

<div class="p2">\begin{center}</div>

<div class="p2">\includegraphics[scale=0.35]{diff-elastic-Xsect-Fe-Pb.jpg}</div>

<div class="p2">\end{center}</div>

<div class="p2">\caption{Differential Elastic Scattering Cross Sections for 6.15 MeV Neutrons from Iron and Lead}</div>

<div class="p2">\label{fig:ENERGY-Lead111}</div>

<div class="p2">\end{figure}<br>
</div>

<div class="p2"><br>
</div>

<div class="p2">I will greatly appreciate any suggestions that will solve this dilemma.</div>

<div class="p2"><br>
</div>

<div class="p2">Thank you in advance.</div>

<div class="p2"><br>
</div>

<div class="p2">Dallas Jones</div>
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