public void doWrite() {
// try {
// some declarations in the POV file
NumberFormat frm = FloatFormat.getInstance();
// tree scale
w.println(
"#declare " + povrayDeclarationPrefix + "height = " + frm.format(tree.getHeight()) + ";");
// leaf declaration
if (tree.getLeafCount() != 0) writeLeafDeclaration();
// stems
progress.beginPhase("writing stem objects", tree.getStemCount());
for (int level = 0; level < tree.getLevels(); level++) {
w.println("#declare " + povrayDeclarationPrefix + "stems_" + level + " = union {");
POVConeStemWriter writer = new POVConeStemWriter(this, /*params,*/ level);
tree.traverseTree(writer);
w.println("}");
}
// leaves
if (tree.getLeafCount() != 0) {
progress.beginPhase("writing leaf objects", tree.getLeafCount());
w.println("#declare " + povrayDeclarationPrefix + "leaves = union {");
POVConeLeafWriter lexporter = new POVConeLeafWriter(this, /*params*/ tree);
tree.traverseTree(lexporter);
w.println("}");
} else { // empty declaration
w.println("#declare " + povrayDeclarationPrefix + "leaves = sphere {<0,0,0>,0}");
}
progress.endPhase();
// all stems together
w.println("#declare " + povrayDeclarationPrefix + "stems = union {");
for (int level = 0; level < tree.getLevels(); level++) {
w.println(" object {" + povrayDeclarationPrefix + "stems_" + level + "}");
}
w.println("}");
w.flush();
// } catch (Exception e) {
// e.printStackTrace();
// System.err.println(e);
// throw new ExportError(e.getMessage());
// }
}
