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 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());
// }
}
/**
* Outputs the Povray code for a leaf object
*
* @param w The output stream
*/
private void writeLeafDeclaration() {
double length = tree.getLeafLength();
double width = tree.getLeafWidth();
w.println("#include \"arbaro.inc\"");
w.println(
"#declare "
+ povrayDeclarationPrefix
+ "leaf = "
+ "object { Arb_leaf_"
+ (tree.getLeafShape().equals("0") ? "disc" : tree.getLeafShape())
+ " translate "
+ (tree.getLeafStemLength() + 0.5)
+ "*y scale <"
+ width
+ ","
+ length
+ ","
+ width
+ "> }");
}
public boolean enterTree(Tree tree) {
m = tree.createLeafMesh(false);
return true;
}
public POVConeExporter(Tree tree /*, Params params*/) {
super();
this.tree = tree;
// this.params = params;
this.povrayDeclarationPrefix = tree.getSpecies() + "_" + tree.getSeed() + "_";
}
