internal virtual int GetRedElement()
{
if (m_b_quad_tree)
{
if (!m_b_swap_elements)
{
return(!m_b_paths ? m_seg_iter.GetStartPointIndex() : m_path_index);
}
return(m_quad_tree.GetElement(m_element_handle));
}
return(m_intersector.GetRedElement(m_intersector.GetHandleA()));
}
public static void TestEnvelope2Dintersector()
{
System.Collections.Generic.List <com.epl.geometry.Envelope2D> envelopes = new System.Collections.Generic.List <com.epl.geometry.Envelope2D>(0);
com.epl.geometry.Envelope2D env0 = new com.epl.geometry.Envelope2D(2, 3, 4, 4);
com.epl.geometry.Envelope2D env1 = new com.epl.geometry.Envelope2D(5, 13, 9, 15);
com.epl.geometry.Envelope2D env2 = new com.epl.geometry.Envelope2D(6, 9, 11, 12);
com.epl.geometry.Envelope2D env3 = new com.epl.geometry.Envelope2D(8, 10, 9, 17);
com.epl.geometry.Envelope2D env4 = new com.epl.geometry.Envelope2D(11.001, 12, 14, 14);
com.epl.geometry.Envelope2D env5 = new com.epl.geometry.Envelope2D(1, 3, 3, 4);
com.epl.geometry.Envelope2D env6 = new com.epl.geometry.Envelope2D(0, 2, 5, 10);
com.epl.geometry.Envelope2D env7 = new com.epl.geometry.Envelope2D(4, 7, 5, 10);
com.epl.geometry.Envelope2D env8 = new com.epl.geometry.Envelope2D(3, 15, 15, 15);
com.epl.geometry.Envelope2D env9 = new com.epl.geometry.Envelope2D(0, 9, 14, 9);
com.epl.geometry.Envelope2D env10 = new com.epl.geometry.Envelope2D(0, 8.999, 14, 8.999);
envelopes.Add(env0);
envelopes.Add(env1);
envelopes.Add(env2);
envelopes.Add(env3);
envelopes.Add(env4);
envelopes.Add(env5);
envelopes.Add(env6);
envelopes.Add(env7);
envelopes.Add(env8);
envelopes.Add(env9);
envelopes.Add(env10);
com.epl.geometry.Envelope2DIntersectorImpl intersector = new com.epl.geometry.Envelope2DIntersectorImpl();
intersector.SetTolerance(0.001);
intersector.StartConstruction();
for (int i = 0; i < envelopes.Count; i++)
{
intersector.AddEnvelope(i, envelopes[i]);
}
intersector.EndConstruction();
int count = 0;
while (intersector.Next())
{
int env_a = intersector.GetHandleA();
int env_b = intersector.GetHandleB();
count++;
com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D();
env.SetCoords(envelopes[env_a]);
env.Inflate(0.001, 0.001);
NUnit.Framework.Assert.IsTrue(env.IsIntersecting(envelopes[env_b]));
}
System.Diagnostics.Debug.Assert((count == 16));
com.epl.geometry.Envelope2DIntersectorImpl intersector2 = new com.epl.geometry.Envelope2DIntersectorImpl();
intersector2.SetTolerance(0.0);
intersector2.StartConstruction();
for (int i_1 = 0; i_1 < envelopes.Count; i_1++)
{
intersector2.AddEnvelope(i_1, envelopes[i_1]);
}
intersector2.EndConstruction();
count = 0;
while (intersector2.Next())
{
int env_a = intersector2.GetHandleA();
int env_b = intersector2.GetHandleB();
count++;
com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D();
env.SetCoords(envelopes[env_a]);
NUnit.Framework.Assert.IsTrue(env.IsIntersecting(envelopes[env_b]));
}
System.Diagnostics.Debug.Assert((count == 13));
env0 = new com.epl.geometry.Envelope2D(0, 0, 0, 10);
env1 = new com.epl.geometry.Envelope2D(0, 10, 10, 10);
env2 = new com.epl.geometry.Envelope2D(10, 0, 10, 10);
env3 = new com.epl.geometry.Envelope2D(0, 0, 10, 0);
envelopes.Clear();
envelopes.Add(env0);
envelopes.Add(env1);
envelopes.Add(env2);
envelopes.Add(env3);
com.epl.geometry.Envelope2DIntersectorImpl intersector3 = new com.epl.geometry.Envelope2DIntersectorImpl();
intersector3.SetTolerance(0.001);
intersector3.StartConstruction();
for (int i_2 = 0; i_2 < envelopes.Count; i_2++)
{
intersector3.AddEnvelope(i_2, envelopes[i_2]);
}
intersector3.EndConstruction();
count = 0;
while (intersector3.Next())
{
int env_a = intersector3.GetHandleA();
int env_b = intersector3.GetHandleB();
count++;
com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D();
env.SetCoords(envelopes[env_a]);
NUnit.Framework.Assert.IsTrue(env.IsIntersecting(envelopes[env_b]));
}
NUnit.Framework.Assert.IsTrue(count == 4);
env0 = new com.epl.geometry.Envelope2D(0, 0, 0, 10);
envelopes.Clear();
envelopes.Add(env0);
envelopes.Add(env0);
envelopes.Add(env0);
envelopes.Add(env0);
com.epl.geometry.Envelope2DIntersectorImpl intersector4 = new com.epl.geometry.Envelope2DIntersectorImpl();
intersector4.SetTolerance(0.001);
intersector4.StartConstruction();
for (int i_3 = 0; i_3 < envelopes.Count; i_3++)
{
intersector4.AddEnvelope(i_3, envelopes[i_3]);
}
intersector4.EndConstruction();
count = 0;
while (intersector4.Next())
{
int env_a = intersector4.GetHandleA();
int env_b = intersector4.GetHandleB();
count++;
com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D();
env.SetCoords(envelopes[env_a]);
NUnit.Framework.Assert.IsTrue(env.IsIntersecting(envelopes[env_b]));
}
System.Diagnostics.Debug.Assert((count == 6));
env0 = new com.epl.geometry.Envelope2D(0, 10, 10, 10);
envelopes.Clear();
envelopes.Add(env0);
envelopes.Add(env0);
envelopes.Add(env0);
envelopes.Add(env0);
com.epl.geometry.Envelope2DIntersectorImpl intersector5 = new com.epl.geometry.Envelope2DIntersectorImpl();
intersector5.SetTolerance(0.001);
intersector5.StartConstruction();
for (int i_4 = 0; i_4 < envelopes.Count; i_4++)
{
intersector5.AddEnvelope(i_4, envelopes[i_4]);
}
intersector5.EndConstruction();
count = 0;
while (intersector5.Next())
{
int env_a = intersector5.GetHandleA();
int env_b = intersector5.GetHandleB();
count++;
com.epl.geometry.Envelope2D env = new com.epl.geometry.Envelope2D();
env.SetCoords(envelopes[env_a]);
NUnit.Framework.Assert.IsTrue(env.IsIntersecting(envelopes[env_b]));
}
NUnit.Framework.Assert.IsTrue(count == 6);
}