finally re-enabled ConvertPurpleToColor after 7 years, using an OSG Visitor
finally re-enabled ConvertPurpleToColor after 7 years, using an OSG Visitor

markraz/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp,nakijun/vtp