tutorials/detector/visualization/v2x

#!/bin/bash
# a bash scrip to convert g4_??.wrl to g4_??.x3d

# check if the script is run as a CGI script
if [ ! -z "$SCRIPT_NAME" ]; then # if yes, construct a webpage
  echo "Content-type: text/html"
  # https://en.wikipedia.org/wiki/Common_Gateway_Interface
  echo # leave a blank line
  echo '<html style="padding: 10px;">'
  echo '<head><title>VRML Web Viewer</title></head>'
  echo '<body style="max-width: 800px; margin: auto;">'
  echo '<pre style="border:1px solid; padding: 5px; overflow: auto;">'
fi

echo Print working environment ...
env; echo; java -version 2>&1; echo

echo Search g4_??.wrl files ...
files=`find . | grep wrl`
# quit if there is none
if [ -z "$files" ]; then
  echo "There is no g4_??.wrl file found"
  echo "Please run \`gears VRML.mac\` to generate some"
  exit
else
  for each in $files; do echo $each; done; echo
fi

echo "Convert g4_??.wrl to g4_??.x3d ..."
for each in $files; do
  file=${each#./} # remove ./ from the beginning of string
  fx3d=${file/wrl/x3d} # .wrl -> .x3d
  page=${file/wrl/html} # .wrl -> .html
  # convert g4_??.wrl to g4_??.x3d
  java -jar VrmlMerge-0.5beta.jar -convert $file $fx3d
  # tune transparency in g4_??.x3d
  sed -i.bak 's/"0.7"/"0.1"/g' $fx3d; rm $fx3d.bak
  # embed g4_??.x3d in g4_??.html
  base=`basename $fx3d`
  sed "s|gears.x3d|$base|" gearsX3D.html > $page
done

if [ -z "$SCRIPT_NAME" ]; then # run in shell
  p3=`command -v python3` # print path to python3
  if [ ! -z "$p3" ]; then # python3 exists
    echo
    $p3 -u -m http.server -b 0.0.0.0 --cgi # launch http server
  fi
else # run as a CGI script
  echo '</pre>'
  echo '<h3>Choose one from the following scanning result to view:</h3>'
  echo '<ul>'
  for each in $files; do
    echo "<li><a style=\"color:blue;\" href=\".${each/wrl/html}\">${each#./}</a></li>"
  done
  echo '</ul>'
  echo '</body>'
  echo '</html>'
fi