public void HashOfHull3d_FromBox_NotEquals_FromDifferentBox()
{
var a = Hull3d.Create(new Box3d(new V3d(1, 2, 3), new V3d(2, 3, 4.1)));
var b = Hull3d.Create(new Box3d(new V3d(1, 2, 3), new V3d(2, 3, 4.2)));
Assert.IsTrue(a.ComputeMd5Hash() != b.ComputeMd5Hash());
}
public void HashOfHull3d_FromBox_Equals_FromSameBox()
{
var a = Hull3d.Create(new Box3d(new V3d(1, 2, 3), new V3d(2, 3, 4.1)));
var b = Hull3d.Create(new Box3d(new V3d(1, 2, 3), new V3d(2, 3, 4.1)));
Assert.IsTrue(a.ComputeMd5Hash() == b.ComputeMd5Hash());
}
public void ForEachNodeIntersecting_Works()
{
var storage = PointCloud.CreateInMemoryStore();
var pointcloud = CreateClusteredPointsInUnitCube(1000, 10);
var ns = pointcloud.Root.Value.ForEachNodeIntersecting(Hull3d.Create(Box3d.Unit), true).ToArray();
Assert.IsTrue(ns.Length > 0);
}
public void TestConvexClipped()
{
var points = new[] { V3d.OOO, V3d.IOO, V3d.OIO };
var poly = new Polygon3d(points);
var box = Box3d.FromMinAndSize(-V3d.OOI, new V3d(1, 0.5, 2));
var newHull = Hull3d.Create(box).Reversed(); // requires non-intuitive reversed (or using obsolte Hull3d constructor that points inside)
var polyClipped = poly.ConvexClipped(newHull); // will return positive part of planes (outside of Hull3d)
var clippedBox = polyClipped.BoundingBox3d;
var test = new Box3d(0, 0, 0, 1, 0.5, 0);
Test.IsTrue(clippedBox == test);
}
public static Box3d IntersectionBounds(this Hull3d hull, Box3d box)
{
if (box.IsInvalid)
{
return(box);
}
var bh = Hull3d.Create(box);
var pp = new Plane3d[6 + hull.PlaneCount];
bh.PlaneArray.CopyTo(pp, 0);
hull.PlaneArray.CopyTo(pp, 6);
var h = new Hull3d(pp);
return(new Box3d(h.ComputeCorners()));
}