batch snapshot of 3D objects

snapshot3D.sh

#!/bin/sh

echo "## Temp command for Geomview" > tmp.gcl

for filename in $*; do
filebase=$(basename $filename)
outputbase=$(basename $filebase .off)
echo "" >> tmp.gcl
echo "(load $filename geometry)" >> tmp.gcl
echo "(backcolor Camera 1. 1. 1.)" >> tmp.gcl
echo "(zoom Camera 1.3)" >> tmp.gcl
echo "(merge-ap $filebase appearance {" >> tmp.gcl
echo "				shading smooth" >> tmp.gcl 
echo "				+transparent" >>tmp.gcl
echo "				material {" >> tmp.gcl
echo "				diffuse 1. 1. .5" >> tmp.gcl
echo "					alpha 0.5" >> tmp.gcl
echo "		 		}" >> tmp.gcl
echo "			  })" >> tmp.gcl
echo "(bbox-draw $filebase no)" >>tmp.gcl 
echo "(sleep-for 1)" >> tmp.gcl
echo "(snapshot Camera $outputbase.ppm)" >>tmp.gcl
echo "(delete $filebase)" >> tmp.gcl
echo "(camera-reset Camera)" >> tmp.gcl
done

echo "(quit)" >> tmp.gcl

# geomview -c tmp.gcl