tex2png

#!/usr/bin/env bash
#
# Tikz topology code, written to 'sim_output_directory/topology.tex', will be converted to PDF
# If imagemagick is installed, the topology converted to PNG

CLEAN_UP=1 # Clean up .tex-files after successful conversion?
BASENAME=topology
WORKING_DIR=$PWD

if [ "$#" -lt 1 ]; then
    echo "Please specify a simulation output directory"
    exit
fi

for outdir in "$@"; do
    cd $WORKING_DIR
    cd $outdir

    if [ ! -f $BASENAME.tex ]; then
        echo "$outdir/$BASENAME.tex not found"
        continue
    fi
    
    pdflatex -halt-on-error $BASENAME.tex
    if [ ! $? -eq 0 ]; then
        continue
    fi
    
    convert -density 300 $BASENAME.pdf -trim -bordercolor White -border 10x10 +repage $BASENAME.png
    
    if [ $? -eq 0 ] && [ $CLEAN_UP -eq 1 ]; then
        rm $BASENAME.aux
        rm $BASENAME.log
        rm $BASENAME.pdf
        rm $BASENAME.tex
    fi
    echo "Written topology diagram to $outdir/$BASENAME.png"
done