<div dir="ltr">I created a homebrew cask for easy installation of ncl on OS X.<br><br>To use it, you first need to install homebrew by pasting the following line in to your Terminal (more info at <a href="http://brew.sh">http://brew.sh</a>):<br><br><pre style="overflow:auto;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:13.6000003814697px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:1.45;padding:16px;border-radius:3px;word-wrap:normal;word-break:normal;color:rgb(51,51,51);background-color:rgb(247,247,247)">ruby -e "$(curl -fsSL <a href="https://raw.githubusercontent.com/Homebrew/install/master/install">https://raw.githubusercontent.com/Homebrew/install/master/install</a>)"</pre><div><br></div><div>Then, install caskroom (<a href="http://caskroom.io/">http://caskroom.io/</a>), followed by ncl:<pre style="overflow:auto;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:13.6000003814697px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:1.45;padding:16px;border-radius:3px;word-wrap:normal;word-break:normal;color:rgb(51,51,51);background-color:rgb(247,247,247)"><span style="font-size:13.6000003814697px;line-height:1.45">brew install caskroom/cask/brew-cask
</span><span style="font-size:13.6000003814697px;line-height:1.45">brew cask install ncar-ncl</span></pre></div><div>This will:</div><div>1) Download the appropriate NCL binary for your version of OS X from the Earth System Grid<br></div><div>2) Check for homebrew dependencies, gcc and xquartz, and install them if not found</div><div>3) Install ncl to /usr/local/ncl-6.3.0</div><div><br></div><div>A message will appear telling you how to:</div><div>1) add $NCARG_ROOT/bin to your $PATH </div><div>2) add libgfortran.3.dylib to your $DYLD_FALLBACK_LIBRARY_PATH.</div><div><br></div><div>After that, type <span style="color:rgb(51,51,51);font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:13.6000003814697px;line-height:1.45;background-color:rgb(247,247,247)">ncl</span> at the command line and you should be good to go.</div><div><br></div><div>You can also easily install other related tools using:<br><pre style="overflow:auto;font-family:Consolas,'Liberation Mono',Menlo,Courier,monospace;font-size:13.6000003814697px;margin-top:0px;margin-bottom:0px;font-stretch:normal;line-height:1.45;padding:16px;border-radius:3px;word-wrap:normal;word-break:normal;color:rgb(51,51,51);background-color:rgb(247,247,247)">brew install homebrew/science/cdo
brew install homebrew/science/nco
brew cask install panoply
<span style="font-size:13.6000003814697px;line-height:1.45">brew cask install qlnetcdf</span><br>brew install imagemagick</pre></div><div>For the curious, the source code for the homebrew cask script is here:<br><a href="https://github.com/caskroom/homebrew-cask/blob/master/Casks/ncar-ncl.rb">https://github.com/caskroom/homebrew-cask/blob/master/Casks/ncar-ncl.rb</a><br><div><br>- Ryan</div><div><br><br></div></div></div>