public static void test1()
{
com.esri.core.geometry.Polyline polyline;
polyline = makePolyline();
com.esri.core.geometry.MultiPathImpl polylineImpl = (com.esri.core.geometry.MultiPathImpl
)polyline._getImpl();
com.esri.core.geometry.QuadTree quadtree = buildQuadTree_(polylineImpl);
com.esri.core.geometry.Line queryline = new com.esri.core.geometry.Line(34, 9, 66
, 46);
com.esri.core.geometry.QuadTree.QuadTreeIterator qtIter = quadtree.getIterator();
NUnit.Framework.Assert.IsTrue(qtIter.next() == -1);
qtIter.resetIterator(queryline, 0.0);
int element_handle = qtIter.next();
while (element_handle > 0)
{
int index = quadtree.getElement(element_handle);
NUnit.Framework.Assert.IsTrue(index == 6 || index == 8 || index == 14);
element_handle = qtIter.next();
}
com.esri.core.geometry.Envelope2D envelope = new com.esri.core.geometry.Envelope2D
(34, 9, 66, 46);
com.esri.core.geometry.Polygon queryPolygon = new com.esri.core.geometry.Polygon(
);
queryPolygon.addEnvelope(envelope, true);
qtIter.resetIterator(queryline, 0.0);
element_handle = qtIter.next();
while (element_handle > 0)
{
int index = quadtree.getElement(element_handle);
NUnit.Framework.Assert.IsTrue(index == 6 || index == 8 || index == 14);
element_handle = qtIter.next();
}
}
internal static com.esri.core.geometry.QuadTree buildQuadTree_(com.esri.core.geometry.MultiPathImpl
multipathImpl)
{
com.esri.core.geometry.Envelope2D extent = new com.esri.core.geometry.Envelope2D(
);
multipathImpl.queryEnvelope2D(extent);
com.esri.core.geometry.QuadTree quadTree = new com.esri.core.geometry.QuadTree(extent
, 8);
int hint_index = -1;
com.esri.core.geometry.Envelope2D boundingbox = new com.esri.core.geometry.Envelope2D
();
com.esri.core.geometry.SegmentIteratorImpl seg_iter = multipathImpl.querySegmentIterator
();
while (seg_iter.nextPath())
{
while (seg_iter.hasNextSegment())
{
com.esri.core.geometry.Segment segment = seg_iter.nextSegment();
int index = seg_iter.getStartPointIndex();
segment.queryEnvelope2D(boundingbox);
hint_index = quadTree.insert(index, boundingbox, hint_index);
}
}
return(quadTree);
}
