/* (non-Javadoc)
* @see net.sourceforge.arbaro.tree.TreeTraversal#visitLeaf(net.sourceforge.arbaro.tree.Leaf)
*/
public boolean visitLeaf(Leaf leaf) {
// prints povray code for the leaf
String indent = " ";
w.println(
indent
+ "object { "
+ povrayDeclarationPrefix
+ "leaf "
+ transformationStr(leaf.getTransformation())
+ "}");
// increment progress count
exporter.incProgressCount(AbstractExporter.LEAF_PROGRESS_STEP);
return true;
}
/* (non-Javadoc)
* @see net.sourceforge.arbaro.tree.TreeTraversal#enterStem(net.sourceforge.arbaro.tree.Stem)
*/
public boolean enterStem(Stem stem) {
if (level >= 0 && stem.getLevel() < level) {
return true; // look further for stems
} else if (level >= 0 && stem.getLevel() > level) {
return false; // go back to higher level
} else {
String indent = whitespace(stem.getLevel() * 2 + 4);
NumberFormat fmt = FloatFormat.getInstance();
Enumeration sections = stem.sections();
if (sections.hasMoreElements()) {
StemSection from = (StemSection) sections.nextElement();
StemSection to = null;
while (sections.hasMoreElements()) {
to = (StemSection) sections.nextElement();
w.println(
indent
+ "cone { "
+ vectorStr(from.getPosition())
+ ", "
+ fmt.format(from.getRadius())
+ ", "
+ vectorStr(to.getPosition())
+ ", "
+ fmt.format(to.getRadius())
+ " }");
// put spheres where z-directions changes
if (!from.getZ().equals(to.getPosition().sub(from.getPosition()).normalize())) {
w.println(
indent
+ "sphere { "
+ vectorStr(from.getPosition())
+ ", "
+ fmt.format(from.getRadius() - 0.0001)
+ " }");
}
from = to;
}
// put sphere at stem end
/* FIXME? now using sections instead of segments, the spherical stem end
* will be made from several cones instead of one shpere ...
if ((to.getRadius() > 0.0001) ||
(lpar.nTaper>1 && lpar.nTaper<=2))
{
w.println(indent + "sphere { " + vectorStr(to.getPosition()) + ", "
+ fmt.format(to.getRadius()-0.0001) + " }");
}
*/
}
exporter.incProgressCount(AbstractExporter.STEM_PROGRESS_STEP);
return true;
}
}