<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">All,<div><br></div><div>I am trying to use pgfplots to create a figure, and I am calling gnuplot to evaluate a specified function to create the data, as follows:</div><div><br></div><div>\begin{tikzpicture}</div><div> \begin{axis}[xmin=0, xmax=0.011, ymin=0, ymax=1.1, scaled x ticks=base 10:3, xtick scale label code/.code={}]</div><div> \addplot[\red, very thick] gnuplot[id=convection10, domain=0:0.010, samples=100] {(cosh(sqrt(4 * 100 / 14 / 0.005) * (0.010 - x)) + (100 / sqrt(4 * 100 / 14 / 0.005) / 14) * sinh(sqrt(4 * 100 / 14 / 0.005) * (0.010 - x))) / (cosh(sqrt(4 * 100 / 14 / 0.005) * 0.010) + (100 / sqrt(4 * 100 / 14 / 0.005) / 14) * sinh(sqrt(4 * 100 / 14 / 0.005) * 0.010))};</div><div> \end{axis}</div><div>\end{tikzpicture}</div><div><br></div><div>I have installed gnuplot and I can call it manually from a Terminal window. However, when I compile my TeX file using TeXShop, I get the error:</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 11px/normal Courier; ">./09-13-2013 Main.tex:349: Package pgfplots Error: Sorry, the gnuplot-result file '"09-13-2013 Lecture Notes.convection10.table"' could not be found. Maybe you need to enable the shell-escape feature? For pdflatex, this is '>> pdflatex -shell-escape'. You can also invoke '>> gnuplot <file>.gnuplot' manually on the respective gnuplot file..</div></div><div><br></div><div>WIthin TeXShop, the engine is set to be</div><div><br></div><div>pdflatex --file-line-error --synctex=1 --shell-escape</div><div><br></div><div>so, why is gnuplot not being called automatically?</div><div><br></div><div>Thanks,</div><div>Josh</div></body></html>