Fortraneries/GravityField/raytrace.sh

54 lines
1.0 KiB
Bash
Executable File

#!/bin/bash
set -e
POVOPT=" -q9 +a -W1024 -H768 +WT2 -d -v "
SOURCE="vision.pov"
TMPF="/dev/shm/gravfield.png"
date > pov.stderr
# ---------------------------------------
une_passe ()
{
clock=$1
cp pov.stderr old.stderr
povray -i${SOURCE} -K${clock} $POVOPT -O${TMPF} 2> pov.stderr
timestamp=$(date -u +'%F %H:%M' | tr '01' 'Ol')
texte=$(printf "pass %04d" $clock | tr '01' 'Ol')
outfile=$(printf "WS/troid/%05d.png" $clock)
echo $timestamp $texte $outfile
convert ${TMPF} \
-pointsize 24 \
-font Courier-Bold \
-fill Orange \
-annotate +15+16 "$timestamp" \
-annotate +15+38 "$texte" \
-pointsize 16 \
-gravity south-west \
-annotate +15+6 "tTh & Konrad" \
${outfile}
}
# ---------------------------------------
for foo in $(seq 0 1999)
do
echo '............' $foo
une_passe $foo
done
ffmpeg -nostdin \
-loglevel warning \
-y -r 30 -f image2 -i WS/troid/%05d.png \
-metadata artist='---{ tTh and Konrad }---' \
-metadata title="Experiment on Gravity Field" \
-c:v libx264 -pix_fmt yuv420p \
bar.mp4