public static com.esri.core.geometry.QuadTree buildQuadTree(com.esri.core.geometry.MultiPath
multipath)
{
com.esri.core.geometry.Envelope2D extent = new com.esri.core.geometry.Envelope2D(
);
multipath.queryEnvelope2D(extent);
com.esri.core.geometry.QuadTree quadTree = new com.esri.core.geometry.QuadTree(extent
, 8);
int hint_index = -1;
com.esri.core.geometry.SegmentIterator seg_iter = multipath.querySegmentIterator(
);
while (seg_iter.nextPath())
{
while (seg_iter.hasNextSegment())
{
com.esri.core.geometry.Segment segment = seg_iter.nextSegment();
int index = seg_iter.getStartPointIndex();
com.esri.core.geometry.Envelope2D boundingbox = new com.esri.core.geometry.Envelope2D
();
segment.queryEnvelope2D(boundingbox);
hint_index = quadTree.insert(index, boundingbox, hint_index);
}
}
return(quadTree);
}
public static com.esri.core.geometry.Point[] pointsFromMultiPath(com.esri.core.geometry.MultiPath
geom)
{
int numberOfPoints = geom.getPointCount();
com.esri.core.geometry.Point[] points = new com.esri.core.geometry.Point[numberOfPoints
];
for (int i = 0; i < geom.getPointCount(); i++)
{
points[i] = geom.getPoint(i);
}
return(points);
}
internal virtual bool rgHelper(com.esri.core.geometry.RasterizedGeometry2D rg, com.esri.core.geometry.MultiPath
mp)
{
com.esri.core.geometry.SegmentIterator iter = mp.querySegmentIterator();
while (iter.nextPath())
{
while (iter.hasNextSegment())
{
com.esri.core.geometry.Segment seg = iter.nextSegment();
int count = 20;
for (int i = 0; i < count; i++)
{
double t = (1.0 * i / count);
com.esri.core.geometry.Point2D pt = seg.getCoord2D(t);
com.esri.core.geometry.RasterizedGeometry2D.HitType hit = rg.queryPointInGeometry
(pt.x, pt.y);
if (hit != com.esri.core.geometry.RasterizedGeometry2D.HitType.Border)
{
return(false);
}
}
}
}
if (mp.getType() != com.esri.core.geometry.Geometry.Type.Polygon)
{
return(true);
}
com.esri.core.geometry.Polygon poly = (com.esri.core.geometry.Polygon)mp;
com.esri.core.geometry.Envelope2D env = new com.esri.core.geometry.Envelope2D();
poly.queryEnvelope2D(env);
int count_1 = 100;
for (int iy = 0; iy < count_1; iy++)
{
double ty = 1.0 * iy / count_1;
double y = env.ymin * (1.0 - ty) + ty * env.ymax;
for (int ix = 0; ix < count_1; ix++)
{
double tx = 1.0 * ix / count_1;
double x = env.xmin * (1.0 - tx) + tx * env.xmax;
com.esri.core.geometry.RasterizedGeometry2D.HitType hit = rg.queryPointInGeometry
(x, y);
com.esri.core.geometry.PolygonUtils.PiPResult res = com.esri.core.geometry.PolygonUtils
.isPointInPolygon2D(poly, new com.esri.core.geometry.Point2D(x, y), 0);
if (res == com.esri.core.geometry.PolygonUtils.PiPResult.PiPInside)
{
bool bgood = (hit == com.esri.core.geometry.RasterizedGeometry2D.HitType.Border ||
hit == com.esri.core.geometry.RasterizedGeometry2D.HitType.Inside);
if (!bgood)
{
return(false);
}
}
else
{
if (res == com.esri.core.geometry.PolygonUtils.PiPResult.PiPOutside)
{
bool bgood = (hit == com.esri.core.geometry.RasterizedGeometry2D.HitType.Border ||
hit == com.esri.core.geometry.RasterizedGeometry2D.HitType.Outside);
if (!bgood)
{
return(false);
}
}
else
{
bool bgood = (hit == com.esri.core.geometry.RasterizedGeometry2D.HitType.Border);
if (!bgood)
{
return(false);
}
}
}
}
}
return(true);
}
