public POVConeLeafWriter(AbstractExporter exporter /*, Params params*/, Tree tree) {
   super();
   this.exporter = exporter;
   this.w = exporter.getWriter();
   this.tree = tree;
   this.povrayDeclarationPrefix = tree.getSpecies() + "_" + tree.getSeed() + "_";
 }
 public POVConeExporter(Tree tree /*, Params params*/) {
   super();
   this.tree = tree;
   //		this.params = params;
   this.povrayDeclarationPrefix = tree.getSpecies() + "_" + tree.getSeed() + "_";
 }